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env-llmeval/lib/python3.10/site-packages/mbstrdecoder/__init__.py

@@ -0,0 +1,13 @@
+"""
+.. codeauthor:: Tsuyoshi Hombashi <[email protected]>
+"""
+
+from .__version__ import __author__, __copyright__, __email__, __license__, __version__
+from ._func import detect_file_encoding
+from ._mbstrdecoder import MultiByteStrDecoder
+
+
+__all__ = (
+    "detect_file_encoding",
+    "MultiByteStrDecoder",
+)

env-llmeval/lib/python3.10/site-packages/mbstrdecoder/__version__.py

@@ -0,0 +1,6 @@
+__author__ = "Tsuyoshi Hombashi"
+__copyright__ = f"Copyright 2016, {__author__}"
+__license__ = "MIT License"
+__version__ = "1.1.3"
+__maintainer__ = __author__
+__email__ = "[email protected]"

env-llmeval/lib/python3.10/site-packages/mbstrdecoder/_binary_ext_checker.py

@@ -0,0 +1,264 @@
+"""
+.. codeauthor:: Tsuyoshi Hombashi <[email protected]>
+"""
+
+import os.path
+
+
+# list from https://github.com/sindresorhus/binary-extensions
+binary_exts = (
+    "3dm",
+    "3ds",
+    "3g2",
+    "3gp",
+    "7z",
+    "a",
+    "aac",
+    "adp",
+    "ai",
+    "aif",
+    "aiff",
+    "alz",
+    "ape",
+    "apk",
+    "ar",
+    "arj",
+    "asf",
+    "au",
+    "avi",
+    "bak",
+    "baml",
+    "bh",
+    "bin",
+    "bk",
+    "bmp",
+    "btif",
+    "bz2",
+    "bzip2",
+    "cab",
+    "caf",
+    "cgm",
+    "class",
+    "cmx",
+    "cpio",
+    "cr2",
+    "cur",
+    "dat",
+    "dcm",
+    "deb",
+    "dex",
+    "djvu",
+    "dll",
+    "dmg",
+    "dng",
+    "doc",
+    "docm",
+    "docx",
+    "dot",
+    "dotm",
+    "dra",
+    "DS_Store",
+    "dsk",
+    "dts",
+    "dtshd",
+    "dvb",
+    "dwg",
+    "dxf",
+    "ecelp4800",
+    "ecelp7470",
+    "ecelp9600",
+    "egg",
+    "eol",
+    "eot",
+    "epub",
+    "exe",
+    "f4v",
+    "fbs",
+    "fh",
+    "fla",
+    "flac",
+    "fli",
+    "flv",
+    "fpx",
+    "fst",
+    "fvt",
+    "g3",
+    "gh",
+    "gif",
+    "graffle",
+    "gz",
+    "gzip",
+    "h261",
+    "h263",
+    "h264",
+    "icns",
+    "ico",
+    "ief",
+    "img",
+    "ipa",
+    "iso",
+    "jar",
+    "jpeg",
+    "jpg",
+    "jpgv",
+    "jpm",
+    "jxr",
+    "key",
+    "ktx",
+    "lha",
+    "lib",
+    "lvp",
+    "lz",
+    "lzh",
+    "lzma",
+    "lzo",
+    "m3u",
+    "m4a",
+    "m4v",
+    "mar",
+    "mdi",
+    "mht",
+    "mid",
+    "midi",
+    "mj2",
+    "mka",
+    "mkv",
+    "mmr",
+    "mng",
+    "mobi",
+    "mov",
+    "movie",
+    "mp3",
+    "mp4",
+    "mp4a",
+    "mpeg",
+    "mpg",
+    "mpga",
+    "mxu",
+    "nef",
+    "npx",
+    "numbers",
+    "nupkg",
+    "o",
+    "oga",
+    "ogg",
+    "ogv",
+    "otf",
+    "pages",
+    "pbm",
+    "pcx",
+    "pdb",
+    "pdf",
+    "pea",
+    "pgm",
+    "pic",
+    "png",
+    "pnm",
+    "pot",
+    "potm",
+    "potx",
+    "ppa",
+    "ppam",
+    "ppm",
+    "pps",
+    "ppsm",
+    "ppsx",
+    "ppt",
+    "pptm",
+    "pptx",
+    "psd",
+    "pya",
+    "pyc",
+    "pyo",
+    "pyv",
+    "qt",
+    "rar",
+    "ras",
+    "raw",
+    "resources",
+    "rgb",
+    "rip",
+    "rlc",
+    "rmf",
+    "rmvb",
+    "rtf",
+    "rz",
+    "s3m",
+    "s7z",
+    "scpt",
+    "sgi",
+    "shar",
+    "sil",
+    "sketch",
+    "slk",
+    "smv",
+    "snk",
+    "so",
+    "stl",
+    "suo",
+    "sub",
+    "swf",
+    "tar",
+    "tbz",
+    "tbz2",
+    "tga",
+    "tgz",
+    "thmx",
+    "tif",
+    "tiff",
+    "tlz",
+    "ttc",
+    "ttf",
+    "txz",
+    "udf",
+    "uvh",
+    "uvi",
+    "uvm",
+    "uvp",
+    "uvs",
+    "uvu",
+    "viv",
+    "vob",
+    "war",
+    "wav",
+    "wax",
+    "wbmp",
+    "wdp",
+    "weba",
+    "webm",
+    "webp",
+    "whl",
+    "wim",
+    "wm",
+    "wma",
+    "wmv",
+    "wmx",
+    "woff",
+    "woff2",
+    "wrm",
+    "wvx",
+    "xbm",
+    "xif",
+    "xla",
+    "xlam",
+    "xls",
+    "xlsb",
+    "xlsm",
+    "xlsx",
+    "xlt",
+    "xltm",
+    "xltx",
+    "xm",
+    "xmind",
+    "xpi",
+    "xpm",
+    "xwd",
+    "xz",
+    "z",
+    "zip",
+    "zipx",
+)
+
+
+def is_binary_ext_path(filepath) -> bool:
+    return os.path.splitext(filepath)[1].lstrip(".") in binary_exts

env-llmeval/lib/python3.10/site-packages/mbstrdecoder/_func.py

@@ -0,0 +1,56 @@
+"""
+.. codeauthor:: Tsuyoshi Hombashi <[email protected]>
+"""
+
+import os
+import stat
+from errno import EBADF, ENOENT, ENOTDIR
+from typing import Optional, Union
+
+from ._binary_ext_checker import is_binary_ext_path
+
+
+def is_fifo(file_path: Union[int, bytes, str]) -> bool:
+    try:
+        return stat.S_ISFIFO(os.stat(file_path).st_mode)
+    except OSError as e:
+        if e.errno not in (ENOENT, ENOTDIR, EBADF):
+            raise
+
+        return False
+    except ValueError:
+        return False
+
+
+def to_codec_name(name: Optional[str]) -> Optional[str]:
+    if not name:
+        return None
+
+    return name.lower().replace("-", "_")
+
+
+def detect_file_encoding(file_path) -> Optional[str]:
+    from chardet.universaldetector import UniversalDetector
+
+    if not os.path.isfile(file_path) or is_binary_ext_path(file_path) or is_fifo(file_path):
+        return None
+
+    detector = UniversalDetector()
+    READ_SIZE = 4 * 1024
+
+    try:
+        with open(file_path, mode="rb") as f:
+            while True:
+                binary = f.read(READ_SIZE)
+                if not binary:
+                    break
+
+                detector.feed(binary)
+                if detector.done:
+                    break
+    except OSError:
+        return None
+    finally:
+        detector.close()
+
+    return to_codec_name(detector.result.get("encoding"))

env-llmeval/lib/python3.10/site-packages/mbstrdecoder/_mbstrdecoder.py

@@ -0,0 +1,291 @@
+"""
+.. codeauthor:: Tsuyoshi Hombashi <[email protected]>
+"""
+
+import copy
+import re
+from typing import List, Optional, Sequence
+
+from ._func import to_codec_name
+
+
+def b(s: str) -> bytes:
+    return s.encode("latin-1")
+
+
+class MultiByteStrDecoder:
+    """
+    Reference:
+        https://docs.python.org/3/library/codecs.html
+    """
+
+    __CODECS = [
+        "utf_7",
+        "utf_8",
+        "utf_8_sig",
+        "utf_16",
+        "utf_16_be",
+        "utf_16_le",
+        "utf_32",
+        "utf_32_be",
+        "utf_32_le",
+        "big5",
+        "big5hkscs",
+        "cp037",
+        "cp424",
+        "cp437",
+        "cp500",
+        "cp720",
+        "cp737",
+        "cp775",
+        "cp850",
+        "cp852",
+        "cp855",
+        "cp856",
+        "cp857",
+        "cp858",
+        "cp860",
+        "cp861",
+        "cp862",
+        "cp863",
+        "cp864",
+        "cp865",
+        "cp866",
+        "cp869",
+        "cp874",
+        "cp875",
+        "cp932",
+        "cp949",
+        "cp950",
+        "cp1006",
+        "cp1026",
+        "cp1140",
+        "cp1250",
+        "cp1251",
+        "cp1252",
+        "cp1253",
+        "cp1254",
+        "cp1255",
+        "cp1256",
+        "cp1257",
+        "cp1258",
+        "euc_jp",
+        "euc_jis_2004",
+        "euc_jisx0213",
+        "euc_kr",
+        "gb2312",
+        "gbk",
+        "gb18030",
+        "hz",
+        "iso2022_jp",
+        "iso2022_jp_1",
+        "iso2022_jp_2",
+        "iso2022_jp_2004",
+        "iso2022_jp_3",
+        "iso2022_jp_ext",
+        "iso2022_kr",
+        "latin_1",
+        "iso8859_2",
+        "iso8859_3",
+        "iso8859_4",
+        "iso8859_5",
+        "iso8859_6",
+        "iso8859_7",
+        "iso8859_8",
+        "iso8859_9",
+        "iso8859_10",
+        "iso8859_11",
+        "iso8859_13",
+        "iso8859_14",
+        "iso8859_15",
+        "iso8859_16",
+        "johab",
+        "koi8_r",
+        "koi8_u",
+        "mac_cyrillic",
+        "mac_greek",
+        "mac_iceland",
+        "mac_latin2",
+        "mac_roman",
+        "mac_turkish",
+        "ptcp154",
+        "shift_jis",
+        "shift_jis_2004",
+        "shift_jisx0213",
+        "base64_codec",
+        "bz2_codec",
+        "hex_codec",
+        "idna",
+        "mbcs",
+        "palmos",
+        "punycode",
+        "quopri_codec",
+        "raw_unicode_escape",
+        "rot_13",
+        "string_escape",
+        "unicode_escape",
+        "unicode_internal",
+        "uu_codec",
+        "zlib_codec",
+    ]
+    __RE_UTF7 = re.compile(b("[+].*?[-]"))
+
+    @property
+    def unicode_str(self) -> str:
+        return self.__unicode_str
+
+    @property
+    def codec(self) -> Optional[str]:
+        return self.__codec
+
+    def __init__(self, value, codec_candidates: Optional[Sequence[str]] = None) -> None:
+        self.__encoded_str = value
+        self.__codec: Optional[str] = None
+        if codec_candidates is None:
+            self.__codec_candidate_list: List[str] = []
+        else:
+            self.__codec_candidate_list = list(codec_candidates)
+
+        self.__validate_str()
+
+        self.__unicode_str = self.__to_unicode()
+
+    def __repr__(self) -> str:
+        return f"codec={self.codec:s}, unicode={self.unicode_str:s}"
+
+    def __validate_str(self) -> None:
+        if isinstance(self.__encoded_str, (str, bytes)):
+            return
+
+        raise ValueError(f"value must be a string: actual={type(self.__encoded_str)}")
+
+    def __is_buffer(self) -> bool:
+        return isinstance(self.__encoded_str, memoryview)
+
+    def __is_multibyte_utf7(self, encoded_str) -> bool:
+        if self.__codec != "utf_7":
+            return False
+
+        utf7_symbol_count = encoded_str.count(b("+"))
+        if utf7_symbol_count <= 0:
+            return False
+
+        if utf7_symbol_count != encoded_str.count(b("-")):
+            return False
+
+        return utf7_symbol_count == len(self.__RE_UTF7.findall(encoded_str))
+
+    def __get_encoded_str(self) -> str:
+        if self.__is_buffer():
+            return str(self.__encoded_str)
+
+        return self.__encoded_str
+
+    @staticmethod
+    def __detect_encoding_helper(encoded_str) -> Optional[str]:
+        import chardet
+
+        try:
+            detect = chardet.detect(encoded_str)
+        except TypeError:
+            detect = {}  # type: ignore
+
+        detect_encoding = detect.get("encoding")
+        confidence = detect.get("confidence")
+
+        if detect_encoding not in ["ascii", "utf-8"] and confidence and confidence > 0.7:
+            # utf7 tend to be misrecognized as ascii
+            return detect_encoding
+
+        return None
+
+    def __get_codec_candidate_list(self, encoded_str) -> List[str]:
+        codec_candidate_list = copy.deepcopy(self.__CODECS)
+        detect_encoding = self.__detect_encoding_helper(encoded_str)
+
+        if detect_encoding:
+            try:
+                codec_candidate_list.remove(detect_encoding)
+            except ValueError:
+                pass
+
+            codec_candidate_list.insert(0, detect_encoding)
+
+        for codec_candidate in self.__codec_candidate_list:
+            try:
+                codec_candidate_list.remove(codec_candidate)
+            except ValueError:
+                pass
+
+        return self.__codec_candidate_list + codec_candidate_list
+
+    def __to_unicode(self):
+        encoded_str = self.__get_encoded_str()
+
+        if encoded_str == b"":
+            self.__codec = "unicode"
+            return ""
+
+        for codec in self.__get_codec_candidate_list(encoded_str):
+            if not codec:
+                continue
+
+            try:
+                self.__codec = to_codec_name(codec)
+                decoded_str = encoded_str.decode(codec)
+                break
+            except UnicodeDecodeError:
+                self.__codec = None
+                continue
+            except AttributeError:
+                if isinstance(encoded_str, str):
+                    # already a unicode string (python 3)
+                    self.__codec = "unicode"
+
+                    if not encoded_str:
+                        return encoded_str
+
+                    return encoded_str
+
+                self.__codec = None
+
+                try:
+                    return f"{encoded_str}"
+                except UnicodeDecodeError:
+                    # some of the objects that cannot convertible to a string
+                    # may reach this line
+                    raise TypeError("argument must be a string")
+        else:
+            self.__codec = None
+
+            try:
+                message = f"unknown codec: encoded_str={encoded_str}"
+            except UnicodeDecodeError:
+                message = f"unknown codec: value-type={type(encoded_str)}"
+
+            raise UnicodeDecodeError(message)
+
+        if self.codec == "utf_7":
+            return self.__process_utf7(encoded_str, decoded_str)
+
+        return decoded_str
+
+    def __process_utf7(self, encoded_str, decoded_str) -> str:
+        if not encoded_str:
+            self.__codec = "unicode"
+
+            return encoded_str
+
+        if self.__is_multibyte_utf7(encoded_str):
+            try:
+                decoded_str.encode("ascii")
+
+                self.__codec = "ascii"
+
+                return encoded_str.decode("ascii")
+            except UnicodeEncodeError:
+                return decoded_str
+
+        self.__codec = "ascii"
+
+        return encoded_str.decode("ascii")

env-llmeval/lib/python3.10/site-packages/peft/__init__.py

@@ -0,0 +1,90 @@
+# flake8: noqa
+# There's no way to ignore "F401 '...' imported but unused" warnings in this
+# module, but to preserve other warnings. So, don't check this module at all.
+
+# coding=utf-8
+# Copyright 2023-present the HuggingFace Inc. team.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+__version__ = "0.10.0"
+
+from .auto import (
+    AutoPeftModel,
+    AutoPeftModelForCausalLM,
+    AutoPeftModelForSequenceClassification,
+    AutoPeftModelForSeq2SeqLM,
+    AutoPeftModelForTokenClassification,
+    AutoPeftModelForQuestionAnswering,
+    AutoPeftModelForFeatureExtraction,
+)
+from .mapping import (
+    MODEL_TYPE_TO_PEFT_MODEL_MAPPING,
+    PEFT_TYPE_TO_CONFIG_MAPPING,
+    get_peft_config,
+    get_peft_model,
+    inject_adapter_in_model,
+)
+from .mixed_model import PeftMixedModel
+from .peft_model import (
+    PeftModel,
+    PeftModelForCausalLM,
+    PeftModelForSeq2SeqLM,
+    PeftModelForSequenceClassification,
+    PeftModelForTokenClassification,
+    PeftModelForQuestionAnswering,
+    PeftModelForFeatureExtraction,
+)
+from .tuners import (
+    AdaptionPromptConfig,
+    AdaptionPromptModel,
+    LoraConfig,
+    LoftQConfig,
+    LoraModel,
+    LoHaConfig,
+    LoHaModel,
+    LoKrConfig,
+    LoKrModel,
+    IA3Config,
+    IA3Model,
+    AdaLoraConfig,
+    AdaLoraModel,
+    PrefixEncoder,
+    PrefixTuningConfig,
+    PromptEmbedding,
+    PromptEncoder,
+    PromptEncoderConfig,
+    PromptEncoderReparameterizationType,
+    PromptTuningConfig,
+    PromptTuningInit,
+    MultitaskPromptTuningConfig,
+    MultitaskPromptTuningInit,
+    OFTConfig,
+    OFTModel,
+    PolyConfig,
+    PolyModel,
+)
+from .utils import (
+    TRANSFORMERS_MODELS_TO_PREFIX_TUNING_POSTPROCESS_MAPPING,
+    PeftType,
+    TaskType,
+    bloom_model_postprocess_past_key_value,
+    get_peft_model_state_dict,
+    prepare_model_for_kbit_training,
+    replace_lora_weights_loftq,
+    set_peft_model_state_dict,
+    shift_tokens_right,
+    load_peft_weights,
+    cast_mixed_precision_params,
+)
+from .config import PeftConfig, PromptLearningConfig

env-llmeval/lib/python3.10/site-packages/peft/auto.py

@@ -0,0 +1,170 @@
+# Copyright 2023-present the HuggingFace Inc. team.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from __future__ import annotations
+
+import importlib
+import os
+from typing import Optional
+
+from transformers import (
+    AutoModel,
+    AutoModelForCausalLM,
+    AutoModelForQuestionAnswering,
+    AutoModelForSeq2SeqLM,
+    AutoModelForSequenceClassification,
+    AutoModelForTokenClassification,
+    AutoTokenizer,
+)
+
+from .config import PeftConfig
+from .mapping import MODEL_TYPE_TO_PEFT_MODEL_MAPPING
+from .peft_model import (
+    PeftModel,
+    PeftModelForCausalLM,
+    PeftModelForFeatureExtraction,
+    PeftModelForQuestionAnswering,
+    PeftModelForSeq2SeqLM,
+    PeftModelForSequenceClassification,
+    PeftModelForTokenClassification,
+)
+from .utils.constants import TOKENIZER_CONFIG_NAME
+from .utils.other import check_file_exists_on_hf_hub
+
+
+class _BaseAutoPeftModel:
+    _target_class = None
+    _target_peft_class = None
+
+    def __init__(self, *args, **kwargs):
+        # For consistency with transformers: https://github.com/huggingface/transformers/blob/91d7df58b6537d385e90578dac40204cb550f706/src/transformers/models/auto/auto_factory.py#L400
+        raise EnvironmentError(  # noqa: UP024
+            f"{self.__class__.__name__} is designed to be instantiated "
+            f"using the `{self.__class__.__name__}.from_pretrained(pretrained_model_name_or_path)` or "
+            f"`{self.__class__.__name__}.from_config(config)` methods."
+        )
+
+    @classmethod
+    def from_pretrained(
+        cls,
+        pretrained_model_name_or_path,
+        adapter_name: str = "default",
+        is_trainable: bool = False,
+        config: Optional[PeftConfig] = None,
+        **kwargs,
+    ):
+        r"""
+        A wrapper around all the preprocessing steps a user needs to perform in order to load a PEFT model. The kwargs
+        are passed along to `PeftConfig` that automatically takes care of filtering the kwargs of the Hub methods and
+        the config object init.
+        """
+        peft_config = PeftConfig.from_pretrained(pretrained_model_name_or_path, **kwargs)
+        base_model_path = peft_config.base_model_name_or_path
+
+        task_type = getattr(peft_config, "task_type", None)
+
+        if cls._target_class is not None:
+            target_class = cls._target_class
+        elif cls._target_class is None and task_type is not None:
+            # this is only in the case where we use `AutoPeftModel`
+            raise ValueError(
+                "Cannot use `AutoPeftModel` with a task type, please use a specific class for your task type. (e.g. `AutoPeftModelForCausalLM` for `task_type='CAUSAL_LM'`)"
+            )
+
+        if task_type is not None:
+            expected_target_class = MODEL_TYPE_TO_PEFT_MODEL_MAPPING[task_type]
+            if cls._target_peft_class.__name__ != expected_target_class.__name__:
+                raise ValueError(
+                    f"Expected target PEFT class: {expected_target_class.__name__}, but you have asked for: {cls._target_peft_class.__name__ }"
+                    " make sure that you are loading the correct model for your task type."
+                )
+        elif task_type is None and getattr(peft_config, "auto_mapping", None) is not None:
+            auto_mapping = getattr(peft_config, "auto_mapping", None)
+            base_model_class = auto_mapping["base_model_class"]
+            parent_library_name = auto_mapping["parent_library"]
+
+            parent_library = importlib.import_module(parent_library_name)
+            target_class = getattr(parent_library, base_model_class)
+        else:
+            raise ValueError(
+                "Cannot infer the auto class from the config, please make sure that you are loading the correct model for your task type."
+            )
+
+        base_model = target_class.from_pretrained(base_model_path, **kwargs)
+
+        tokenizer_exists = False
+        if os.path.exists(os.path.join(pretrained_model_name_or_path, TOKENIZER_CONFIG_NAME)):
+            tokenizer_exists = True
+        else:
+            token = kwargs.get("token", None)
+            if token is None:
+                token = kwargs.get("use_auth_token", None)
+
+            tokenizer_exists = check_file_exists_on_hf_hub(
+                repo_id=pretrained_model_name_or_path,
+                filename=TOKENIZER_CONFIG_NAME,
+                revision=kwargs.get("revision", None),
+                repo_type=kwargs.get("repo_type", None),
+                token=token,
+            )
+
+        if tokenizer_exists:
+            tokenizer = AutoTokenizer.from_pretrained(
+                pretrained_model_name_or_path, trust_remote_code=kwargs.get("trust_remote_code", False)
+            )
+            base_model.resize_token_embeddings(len(tokenizer))
+
+        return cls._target_peft_class.from_pretrained(
+            base_model,
+            pretrained_model_name_or_path,
+            adapter_name=adapter_name,
+            is_trainable=is_trainable,
+            config=config,
+            **kwargs,
+        )
+
+
+class AutoPeftModel(_BaseAutoPeftModel):
+    _target_class = None
+    _target_peft_class = PeftModel
+
+
+class AutoPeftModelForCausalLM(_BaseAutoPeftModel):
+    _target_class = AutoModelForCausalLM
+    _target_peft_class = PeftModelForCausalLM
+
+
+class AutoPeftModelForSeq2SeqLM(_BaseAutoPeftModel):
+    _target_class = AutoModelForSeq2SeqLM
+    _target_peft_class = PeftModelForSeq2SeqLM
+
+
+class AutoPeftModelForSequenceClassification(_BaseAutoPeftModel):
+    _target_class = AutoModelForSequenceClassification
+    _target_peft_class = PeftModelForSequenceClassification
+
+
+class AutoPeftModelForTokenClassification(_BaseAutoPeftModel):
+    _target_class = AutoModelForTokenClassification
+    _target_peft_class = PeftModelForTokenClassification
+
+
+class AutoPeftModelForQuestionAnswering(_BaseAutoPeftModel):
+    _target_class = AutoModelForQuestionAnswering
+    _target_peft_class = PeftModelForQuestionAnswering
+
+
+class AutoPeftModelForFeatureExtraction(_BaseAutoPeftModel):
+    _target_class = AutoModel
+    _target_peft_class = PeftModelForFeatureExtraction

env-llmeval/lib/python3.10/site-packages/peft/config.py

@@ -0,0 +1,270 @@
+# Copyright 2023-present the HuggingFace Inc. team.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+import inspect
+import json
+import os
+from dataclasses import asdict, dataclass, field
+from typing import Dict, Optional, Union
+
+from huggingface_hub import hf_hub_download
+from transformers.utils import PushToHubMixin
+
+from .utils import CONFIG_NAME, PeftType, TaskType
+
+
+@dataclass
+class PeftConfigMixin(PushToHubMixin):
+    r"""
+    This is the base configuration class for PEFT adapter models. It contains all the methods that are common to all
+    PEFT adapter models. This class inherits from [`~transformers.utils.PushToHubMixin`] which contains the methods to
+    push your model to the Hub. The method `save_pretrained` will save the configuration of your adapter model in a
+    directory. The method `from_pretrained` will load the configuration of your adapter model from a directory.
+
+    Args:
+        peft_type (Union[[`~peft.utils.config.PeftType`], `str`]): The type of Peft method to use.
+    """
+
+    peft_type: Optional[PeftType] = field(default=None, metadata={"help": "The type of PEFT model."})
+    auto_mapping: Optional[dict] = field(
+        default=None, metadata={"help": "An auto mapping dict to help retrieve the base model class if needed."}
+    )
+
+    def to_dict(self) -> Dict:
+        r"""
+        Returns the configuration for your adapter model as a dictionary.
+        """
+        return asdict(self)
+
+    def save_pretrained(self, save_directory: str, **kwargs) -> None:
+        r"""
+        This method saves the configuration of your adapter model in a directory.
+
+        Args:
+            save_directory (`str`):
+                The directory where the configuration will be saved.
+            kwargs (additional keyword arguments, *optional*):
+                Additional keyword arguments passed along to the [`~transformers.utils.PushToHubMixin.push_to_hub`]
+                method.
+        """
+        if os.path.isfile(save_directory):
+            raise AssertionError(f"Provided path ({save_directory}) should be a directory, not a file")
+
+        os.makedirs(save_directory, exist_ok=True)
+        auto_mapping_dict = kwargs.pop("auto_mapping_dict", None)
+
+        output_dict = asdict(self)
+        # converting set type to list
+        for key, value in output_dict.items():
+            if isinstance(value, set):
+                output_dict[key] = list(value)
+
+        output_path = os.path.join(save_directory, CONFIG_NAME)
+
+        # Add auto mapping details for custom models.
+        if auto_mapping_dict is not None:
+            output_dict["auto_mapping"] = auto_mapping_dict
+
+        # save it
+        with open(output_path, "w") as writer:
+            writer.write(json.dumps(output_dict, indent=2, sort_keys=True))
+
+    @classmethod
+    def from_peft_type(cls, **kwargs):
+        r"""
+        This method loads the configuration of your adapter model from a set of kwargs.
+
+        The appropriate configuration type is determined by the `peft_type` argument. If `peft_type` is not provided,
+        the calling class type is instantiated.
+
+        Args:
+            kwargs (configuration keyword arguments):
+                Keyword arguments passed along to the configuration initialization.
+        """
+        # Avoid circular dependency .. TODO: fix this with a larger refactor
+        from peft.mapping import PEFT_TYPE_TO_CONFIG_MAPPING
+
+        # TODO: this hack is needed to fix the following issue (on commit 702f937):
+        # if someone saves a default config and loads it back with `PeftConfig` class it yields to
+        # not loading the correct config class.
+
+        # from peft import AdaLoraConfig, PeftConfig
+        # peft_config = AdaLoraConfig()
+        # print(peft_config)
+        # >>> AdaLoraConfig(peft_type=<PeftType.ADALORA: 'ADALORA'>, auto_mapping=None, base_model_name_or_path=None,
+        # revision=None, task_type=None, inference_mode=False, r=8, target_modules=None, lora_alpha=8, lora_dropout=0.0, ...
+        #
+        # peft_config.save_pretrained("./test_config")
+        # peft_config = PeftConfig.from_pretrained("./test_config")
+        # print(peft_config)
+        # >>> PeftConfig(peft_type='ADALORA', auto_mapping=None, base_model_name_or_path=None, revision=None, task_type=None, inference_mode=False)
+
+        if "peft_type" in kwargs:
+            peft_type = kwargs["peft_type"]
+            config_cls = PEFT_TYPE_TO_CONFIG_MAPPING[peft_type]
+        else:
+            config_cls = cls
+
+        return config_cls(**kwargs)
+
+    @classmethod
+    def from_pretrained(cls, pretrained_model_name_or_path: str, subfolder: Optional[str] = None, **kwargs):
+        r"""
+        This method loads the configuration of your adapter model from a directory.
+
+        Args:
+            pretrained_model_name_or_path (`str`):
+                The directory or the Hub repository id where the configuration is saved.
+            kwargs (additional keyword arguments, *optional*):
+                Additional keyword arguments passed along to the child class initialization.
+        """
+        path = (
+            os.path.join(pretrained_model_name_or_path, subfolder)
+            if subfolder is not None
+            else pretrained_model_name_or_path
+        )
+
+        hf_hub_download_kwargs, class_kwargs, _ = cls._split_kwargs(kwargs)
+
+        if os.path.isfile(os.path.join(path, CONFIG_NAME)):
+            config_file = os.path.join(path, CONFIG_NAME)
+        else:
+            try:
+                config_file = hf_hub_download(
+                    pretrained_model_name_or_path, CONFIG_NAME, subfolder=subfolder, **hf_hub_download_kwargs
+                )
+            except Exception:
+                raise ValueError(f"Can't find '{CONFIG_NAME}' at '{pretrained_model_name_or_path}'")
+
+        loaded_attributes = cls.from_json_file(config_file)
+        kwargs = {**class_kwargs, **loaded_attributes}
+        return cls.from_peft_type(**kwargs)
+
+    @classmethod
+    def from_json_file(cls, path_json_file: str, **kwargs):
+        r"""
+        Loads a configuration file from a json file.
+
+        Args:
+            path_json_file (`str`):
+                The path to the json file.
+        """
+        with open(path_json_file) as file:
+            json_object = json.load(file)
+
+        return json_object
+
+    @classmethod
+    def _split_kwargs(cls, kwargs):
+        hf_hub_download_kwargs = {}
+        class_kwargs = {}
+        other_kwargs = {}
+
+        for key, value in kwargs.items():
+            if key in inspect.signature(hf_hub_download).parameters:
+                hf_hub_download_kwargs[key] = value
+            elif key in list(cls.__annotations__):
+                class_kwargs[key] = value
+            else:
+                other_kwargs[key] = value
+
+        return hf_hub_download_kwargs, class_kwargs, other_kwargs
+
+    @classmethod
+    def _get_peft_type(
+        cls,
+        model_id: str,
+        **hf_hub_download_kwargs,
+    ):
+        subfolder = hf_hub_download_kwargs.get("subfolder", None)
+
+        path = os.path.join(model_id, subfolder) if subfolder is not None else model_id
+
+        if os.path.isfile(os.path.join(path, CONFIG_NAME)):
+            config_file = os.path.join(path, CONFIG_NAME)
+        else:
+            try:
+                config_file = hf_hub_download(
+                    model_id,
+                    CONFIG_NAME,
+                    **hf_hub_download_kwargs,
+                )
+            except Exception:
+                raise ValueError(f"Can't find '{CONFIG_NAME}' at '{model_id}'")
+
+        loaded_attributes = cls.from_json_file(config_file)
+        return loaded_attributes["peft_type"]
+
+    @property
+    def is_prompt_learning(self) -> bool:
+        r"""
+        Utility method to check if the configuration is for prompt learning.
+        """
+        return False
+
+    @property
+    def is_adaption_prompt(self) -> bool:
+        """Return True if this is an adaption prompt config."""
+        return False
+
+
+@dataclass
+class PeftConfig(PeftConfigMixin):
+    """
+    This is the base configuration class to store the configuration of a [`PeftModel`].
+
+    Args:
+        peft_type (Union[[`~peft.utils.config.PeftType`], `str`]): The type of Peft method to use.
+        task_type (Union[[`~peft.utils.config.TaskType`], `str`]): The type of task to perform.
+        inference_mode (`bool`, defaults to `False`): Whether to use the Peft model in inference mode.
+    """
+
+    base_model_name_or_path: Optional[str] = field(
+        default=None, metadata={"help": "The name of the base model to use."}
+    )
+    revision: Optional[str] = field(default=None, metadata={"help": "The specific model version to use."})
+    peft_type: Optional[Union[str, PeftType]] = field(default=None, metadata={"help": "Peft type"})
+    task_type: Optional[Union[str, TaskType]] = field(default=None, metadata={"help": "Task type"})
+    inference_mode: bool = field(default=False, metadata={"help": "Whether to use inference mode"})
+
+
+@dataclass
+class PromptLearningConfig(PeftConfig):
+    """
+    This is the base configuration class to store the configuration of [`PrefixTuning`], [`PromptEncoder`], or
+    [`PromptTuning`].
+
+    Args:
+        num_virtual_tokens (`int`): The number of virtual tokens to use.
+        token_dim (`int`): The hidden embedding dimension of the base transformer model.
+        num_transformer_submodules (`int`): The number of transformer submodules in the base transformer model.
+        num_attention_heads (`int`): The number of attention heads in the base transformer model.
+        num_layers (`int`): The number of layers in the base transformer model.
+    """
+
+    num_virtual_tokens: int = field(default=None, metadata={"help": "Number of virtual tokens"})
+    token_dim: int = field(
+        default=None, metadata={"help": "The hidden embedding dimension of the base transformer model"}
+    )
+    num_transformer_submodules: Optional[int] = field(
+        default=None, metadata={"help": "Number of transformer submodules"}
+    )
+    num_attention_heads: Optional[int] = field(default=None, metadata={"help": "Number of attention heads"})
+    num_layers: Optional[int] = field(default=None, metadata={"help": "Number of transformer layers"})
+
+    @property
+    def is_prompt_learning(self) -> bool:
+        r"""
+        Utility method to check if the configuration is for prompt learning.
+        """
+        return True

env-llmeval/lib/python3.10/site-packages/peft/helpers.py

@@ -0,0 +1,113 @@
+import inspect
+from copy import deepcopy
+from functools import update_wrapper
+from types import MethodType
+
+from .peft_model import PeftModel
+
+
+def update_forward_signature(model: PeftModel) -> None:
+    """
+    Args:
+    Updates the forward signature of the PeftModel to include parents class signature
+        model (`PeftModel`): Peft model to update the forward signature
+    Example:
+
+    ```python
+    >>> from transformers import WhisperForConditionalGeneration
+    >>> from peft import get_peft_model, LoraConfig, update_forward_signature
+
+    >>> model = WhisperForConditionalGeneration.from_pretrained("openai/whisper-tiny.en")
+    >>> peft_config = LoraConfig(r=8, lora_alpha=32, lora_dropout=0.1, target_modules=["q_proj", "v_proj"])
+
+    >>> peft_model = get_peft_model(model, peft_config)
+    >>> update_forward_signature(peft_model)
+    ```
+    """
+
+    # Only update signature when the current forward signature only has *args and **kwargs
+    current_signature = inspect.signature(model.forward)
+    if (
+        len(current_signature.parameters) == 2
+        and "args" in current_signature.parameters
+        and "kwargs" in current_signature.parameters
+    ):
+        forward = deepcopy(model.forward.__func__)
+        update_wrapper(
+            forward, type(model.get_base_model()).forward, assigned=("__doc__", "__name__", "__annotations__")
+        )
+        model.forward = MethodType(forward, model)
+
+
+def update_generate_signature(model: PeftModel) -> None:
+    """
+    Args:
+    Updates the generate signature of a PeftModel with overriding generate to include parents class signature
+        model (`PeftModel`): Peft model to update the generate signature
+    Example:
+
+    ```python
+    >>> from transformers import AutoModelForSeq2SeqLM, AutoTokenizer
+    >>> from peft import get_peft_model, LoraConfig, TaskType, update_generate_signature
+
+    >>> model_name_or_path = "bigscience/mt0-large"
+    >>> tokenizer = AutoTokenizer.from_pretrained(model_name_or_path)
+    >>> model = AutoModelForSeq2SeqLM.from_pretrained(model_name_or_path)
+
+    >>> peft_config = LoraConfig(
+    ...     task_type=TaskType.SEQ_2_SEQ_LM, inference_mode=False, r=8, lora_alpha=32, lora_dropout=0.1
+    ... )
+    >>> peft_model = get_peft_model(model, peft_config)
+    >>> update_generate_signature(peft_model)
+    >>> help(peft_model.generate)
+    ```
+    """
+    if not hasattr(model, "generate"):
+        return
+    current_signature = inspect.signature(model.generate)
+    if (
+        len(current_signature.parameters) == 2
+        and "args" in current_signature.parameters
+        and "kwargs" in current_signature.parameters
+    ) or (len(current_signature.parameters) == 1 and "kwargs" in current_signature.parameters):
+        generate = deepcopy(model.generate.__func__)
+        update_wrapper(
+            generate,
+            type(model.get_base_model()).generate,
+            assigned=("__doc__", "__name__", "__annotations__"),
+        )
+        model.generate = MethodType(generate, model)
+
+
+def update_signature(model: PeftModel, method: str = "all") -> None:
+    """
+    Args:
+    Updates the signature of a PeftModel include parents class signature for forward or generate method
+        model (`PeftModel`): Peft model to update generate or forward signature method (`str`): method to update
+        signature choose one of "forward", "generate", "all"
+    Example:
+     ```python
+    >>> from transformers import AutoModelForSeq2SeqLM, AutoTokenizer
+    >>> from peft import get_peft_model, LoraConfig, TaskType, update_signature
+
+    >>> model_name_or_path = "bigscience/mt0-large"
+    >>> tokenizer = AutoTokenizer.from_pretrained(model_name_or_path)
+    >>> model = AutoModelForSeq2SeqLM.from_pretrained(model_name_or_path)
+
+    >>> peft_config = LoraConfig(
+    ...     task_type=TaskType.SEQ_2_SEQ_LM, inference_mode=False, r=8, lora_alpha=32, lora_dropout=0.1
+    ... )
+    >>> peft_model = get_peft_model(model, peft_config)
+    >>> update_signature(peft_model)
+    >>> help(peft_model.generate)
+    ```
+    """
+    if method == "forward":
+        update_forward_signature(model)
+    elif method == "generate":
+        update_generate_signature(model)
+    elif method == "all":
+        update_forward_signature(model)
+        update_generate_signature(model)
+    else:
+        raise ValueError(f"method {method} is not supported please choose one of ['forward', 'generate', 'all']")

env-llmeval/lib/python3.10/site-packages/peft/import_utils.py

@@ -0,0 +1,73 @@
+# Copyright 2023-present the HuggingFace Inc. team.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+import importlib
+import importlib.metadata as importlib_metadata
+from functools import lru_cache
+
+import packaging.version
+
+
+def is_bnb_available() -> bool:
+    return importlib.util.find_spec("bitsandbytes") is not None
+
+
+def is_bnb_4bit_available() -> bool:
+    if not is_bnb_available():
+        return False
+
+    import bitsandbytes as bnb
+
+    return hasattr(bnb.nn, "Linear4bit")
+
+
+def is_auto_gptq_available():
+    if importlib.util.find_spec("auto_gptq") is not None:
+        AUTOGPTQ_MINIMUM_VERSION = packaging.version.parse("0.5.0")
+        version_autogptq = packaging.version.parse(importlib_metadata.version("auto_gptq"))
+        if AUTOGPTQ_MINIMUM_VERSION <= version_autogptq:
+            return True
+        else:
+            raise ImportError(
+                f"Found an incompatible version of auto-gptq. Found version {version_autogptq}, "
+                f"but only versions above {AUTOGPTQ_MINIMUM_VERSION} are supported"
+            )
+
+
+def is_optimum_available() -> bool:
+    return importlib.util.find_spec("optimum") is not None
+
+
+@lru_cache
+def is_torch_tpu_available(check_device=True):
+    "Checks if `torch_xla` is installed and potentially if a TPU is in the environment"
+    if importlib.util.find_spec("torch_xla") is not None:
+        if check_device:
+            # We need to check if `xla_device` can be found, will raise a RuntimeError if not
+            try:
+                import torch_xla.core.xla_model as xm
+
+                _ = xm.xla_device()
+                return True
+            except RuntimeError:
+                return False
+        return True
+    return False
+
+
+def is_aqlm_available():
+    return importlib.util.find_spec("aqlm") is not None
+
+
+def is_auto_awq_available():
+    return importlib.util.find_spec("awq") is not None

env-llmeval/lib/python3.10/site-packages/peft/mapping.py

@@ -0,0 +1,168 @@
+# Copyright 2023-present the HuggingFace Inc. team.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from __future__ import annotations
+
+from typing import TYPE_CHECKING, Any
+
+import torch
+
+from .config import PeftConfig
+from .mixed_model import PeftMixedModel
+from .peft_model import (
+    PeftModel,
+    PeftModelForCausalLM,
+    PeftModelForFeatureExtraction,
+    PeftModelForQuestionAnswering,
+    PeftModelForSeq2SeqLM,
+    PeftModelForSequenceClassification,
+    PeftModelForTokenClassification,
+)
+from .tuners import (
+    AdaLoraConfig,
+    AdaLoraModel,
+    AdaptionPromptConfig,
+    IA3Config,
+    IA3Model,
+    LoHaConfig,
+    LoHaModel,
+    LoKrConfig,
+    LoKrModel,
+    LoraConfig,
+    LoraModel,
+    MultitaskPromptTuningConfig,
+    OFTConfig,
+    OFTModel,
+    PolyConfig,
+    PolyModel,
+    PrefixTuningConfig,
+    PromptEncoderConfig,
+    PromptTuningConfig,
+)
+from .utils import _prepare_prompt_learning_config
+
+
+if TYPE_CHECKING:
+    from transformers import PreTrainedModel
+
+
+MODEL_TYPE_TO_PEFT_MODEL_MAPPING: dict[str, PeftModel] = {
+    "SEQ_CLS": PeftModelForSequenceClassification,
+    "SEQ_2_SEQ_LM": PeftModelForSeq2SeqLM,
+    "CAUSAL_LM": PeftModelForCausalLM,
+    "TOKEN_CLS": PeftModelForTokenClassification,
+    "QUESTION_ANS": PeftModelForQuestionAnswering,
+    "FEATURE_EXTRACTION": PeftModelForFeatureExtraction,
+}
+
+PEFT_TYPE_TO_CONFIG_MAPPING: dict[str, PeftConfig] = {
+    "ADAPTION_PROMPT": AdaptionPromptConfig,
+    "PROMPT_TUNING": PromptTuningConfig,
+    "PREFIX_TUNING": PrefixTuningConfig,
+    "P_TUNING": PromptEncoderConfig,
+    "LORA": LoraConfig,
+    "LOHA": LoHaConfig,
+    "LOKR": LoKrConfig,
+    "ADALORA": AdaLoraConfig,
+    "IA3": IA3Config,
+    "MULTITASK_PROMPT_TUNING": MultitaskPromptTuningConfig,
+    "OFT": OFTConfig,
+    "POLY": PolyConfig,
+}
+
+PEFT_TYPE_TO_TUNER_MAPPING = {
+    "LORA": LoraModel,
+    "LOHA": LoHaModel,
+    "LOKR": LoKrModel,
+    "ADALORA": AdaLoraModel,
+    "IA3": IA3Model,
+    "OFT": OFTModel,
+    "POLY": PolyModel,
+}
+
+
+def get_peft_config(config_dict: dict[str, Any]) -> PeftConfig:
+    """
+    Returns a Peft config object from a dictionary.
+
+    Args:
+        config_dict (`Dict[str, Any]`): Dictionary containing the configuration parameters.
+    """
+
+    return PEFT_TYPE_TO_CONFIG_MAPPING[config_dict["peft_type"]](**config_dict)
+
+
+def get_peft_model(
+    model: PreTrainedModel, peft_config: PeftConfig, adapter_name: str = "default", mixed: bool = False
+) -> PeftModel | PeftMixedModel:
+    """
+    Returns a Peft model object from a model and a config.
+
+    Args:
+        model ([`transformers.PreTrainedModel`]):
+            Model to be wrapped.
+        peft_config ([`PeftConfig`]):
+            Configuration object containing the parameters of the Peft model.
+        adapter_name (`str`, `optional`, defaults to `"default"`):
+            The name of the adapter to be injected, if not provided, the default adapter name is used ("default").
+        mixed (`bool`, `optional`, defaults to `False`):
+            Whether to allow mixing different (compatible) adapter types.
+    """
+    model_config = getattr(model, "config", {"model_type": "custom"})
+    if hasattr(model_config, "to_dict"):
+        model_config = model_config.to_dict()
+
+    peft_config.base_model_name_or_path = model.__dict__.get("name_or_path", None)
+
+    if mixed:
+        return PeftMixedModel(model, peft_config, adapter_name=adapter_name)
+
+    if peft_config.task_type not in MODEL_TYPE_TO_PEFT_MODEL_MAPPING.keys() and not peft_config.is_prompt_learning:
+        return PeftModel(model, peft_config, adapter_name=adapter_name)
+
+    if peft_config.is_prompt_learning:
+        peft_config = _prepare_prompt_learning_config(peft_config, model_config)
+    return MODEL_TYPE_TO_PEFT_MODEL_MAPPING[peft_config.task_type](model, peft_config, adapter_name=adapter_name)
+
+
+def inject_adapter_in_model(
+    peft_config: PeftConfig, model: torch.nn.Module, adapter_name: str = "default"
+) -> torch.nn.Module:
+    r"""
+    A simple API to create and inject adapter in-place into a model. Currently the API does not support prompt learning
+    methods and adaption prompt. Make sure to have the correct `target_names` set in the `peft_config` object. The API
+    calls `get_peft_model` under the hood but would be restricted only to non-prompt learning methods.
+
+    Args:
+        peft_config (`PeftConfig`):
+            Configuration object containing the parameters of the Peft model.
+        model (`torch.nn.Module`):
+            The input model where the adapter will be injected.
+        adapter_name (`str`, `optional`, defaults to `"default"`):
+            The name of the adapter to be injected, if not provided, the default adapter name is used ("default").
+    """
+    if peft_config.is_prompt_learning or peft_config.is_adaption_prompt:
+        raise ValueError("`create_and_replace` does not support prompt learning and adaption prompt yet.")
+
+    if peft_config.peft_type not in PEFT_TYPE_TO_TUNER_MAPPING.keys():
+        raise ValueError(
+            f"`inject_adapter_in_model` does not support {peft_config.peft_type} yet. Please use `get_peft_model`."
+        )
+
+    tuner_cls = PEFT_TYPE_TO_TUNER_MAPPING[peft_config.peft_type]
+
+    # By instantiating a peft model we are injecting randomly initialized LoRA layers into the model's modules.
+    peft_model = tuner_cls(model, peft_config, adapter_name=adapter_name)
+
+    return peft_model.model

env-llmeval/lib/python3.10/site-packages/peft/mixed_model.py

@@ -0,0 +1,409 @@
+# Copyright 2023-present the HuggingFace Inc. team.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from __future__ import annotations
+
+import os
+from contextlib import contextmanager
+from typing import Any, Optional, Union
+
+import torch
+from accelerate.hooks import remove_hook_from_submodules
+from torch import nn
+from transformers.utils import PushToHubMixin
+
+from peft.tuners.mixed import COMPATIBLE_TUNER_TYPES
+
+from .config import PeftConfig
+from .peft_model import PeftModel
+from .tuners import (
+    AdaLoraModel,
+    IA3Model,
+    LoHaModel,
+    LoKrModel,
+    LoraModel,
+    MixedModel,
+    OFTModel,
+)
+from .utils import PeftType, _set_adapter, _set_trainable
+
+
+PEFT_TYPE_TO_MODEL_MAPPING = {
+    PeftType.LORA: LoraModel,
+    PeftType.LOHA: LoHaModel,
+    PeftType.LOKR: LoKrModel,
+    PeftType.ADALORA: AdaLoraModel,
+    PeftType.IA3: IA3Model,
+    PeftType.OFT: OFTModel,
+}
+
+
+def _prepare_model_for_gradient_checkpointing(model: nn.Module) -> None:
+    r"""
+    Prepares the model for gradient checkpointing if necessary
+    """
+    # Note: same as PeftModel._prepare_model_for_gradient_checkpointing
+    if not getattr(model, "is_gradient_checkpointing", True):
+        return model
+
+    if not (
+        getattr(model, "is_loaded_in_8bit", False)
+        or getattr(model, "is_loaded_in_4bit", False)
+        or getattr(model, "is_quantized", False)
+    ):
+        if hasattr(model, "enable_input_require_grads"):
+            model.enable_input_require_grads()
+        elif hasattr(model, "get_input_embeddings"):
+
+            def make_inputs_require_grad(module, input, output):
+                output.requires_grad_(True)
+
+            model.get_input_embeddings().register_forward_hook(make_inputs_require_grad)
+
+
+def _check_config_compatible(peft_config: PeftConfig) -> None:
+    if peft_config.peft_type not in COMPATIBLE_TUNER_TYPES:
+        raise ValueError(
+            f"The provided `peft_type` '{peft_config.peft_type.value}' is not compatible with the `PeftMixedModel`. "
+            f"Compatible types are: {COMPATIBLE_TUNER_TYPES}"
+        )
+
+
+class PeftMixedModel(PushToHubMixin, torch.nn.Module):
+    """
+    PeftMixedModel for loading mixing different types of adapters for inference.
+
+    This class does not support loading/saving, and it shouldn't usually be initialized directly. Instead, use
+    `get_peft_model` with the argument `mixed=True`.
+
+    <Tip>
+
+    Read the [Mixed adapter types](https://huggingface.co/docs/peft/en/developer_guides/mixed_models) guide to learn
+    more about using different adapter types.
+
+    </Tip>
+
+    Example:
+
+    ```py
+    >>> from peft import get_peft_model
+
+    >>> base_model = ...  # load the base model, e.g. from transformers
+    >>> peft_model = PeftMixedModel.from_pretrained(base_model, path_to_adapter1, "adapter1").eval()
+    >>> peft_model.load_adapter(path_to_adapter2, "adapter2")
+    >>> peft_model.set_adapter(["adapter1", "adapter2"])  # activate both adapters
+    >>> peft_model(data)  # forward pass using both adapters
+    ```
+
+    Args:
+        model (`torch.nn.Module`):
+            The model to be tuned.
+        config (`PeftConfig`):
+            The config of the model to be tuned. The adapter type must be compatible.
+        adapter_name (`str`, `optional`, defaults to `"default"`):
+            The name of the first adapter.
+    """
+
+    def __init__(self, model: nn.Module, peft_config: PeftConfig, adapter_name: str = "default") -> None:
+        super().__init__()
+        _check_config_compatible(peft_config)
+        _prepare_model_for_gradient_checkpointing(model)
+        self.modules_to_save = None
+        self.base_model = MixedModel(model, {adapter_name: peft_config}, adapter_name)
+        self.set_modules_to_save(peft_config, adapter_name)
+
+        self.config = getattr(model, "config", {"model_type": "custom"})
+
+        # the `pretraining_tp` is set for some models to simulate Tensor Parallelism during inference to avoid
+        # numerical differences, https://github.com/pytorch/pytorch/issues/76232 - to avoid any unexpected
+        # behavior we disable that in this line.
+        if hasattr(self.base_model, "config") and hasattr(self.base_model.config, "pretraining_tp"):
+            self.base_model.config.pretraining_tp = 1
+
+    @property
+    def peft_config(self) -> dict[str, PeftConfig]:
+        return self.base_model.peft_config
+
+    @property
+    def active_adapter(self) -> str:
+        return self.base_model.active_adapter
+
+    @property
+    def active_adapters(self) -> list[str]:
+        return self.base_model.active_adapters
+
+    def get_nb_trainable_parameters(self):
+        r"""
+        Returns the number of trainable parameters and number of all parameters in the model.
+        """
+        # note: same as PeftModel.get_nb_trainable_parameters
+        trainable_params = 0
+        all_param = 0
+        for _, param in self.named_parameters():
+            num_params = param.numel()
+            # if using DS Zero 3 and the weights are initialized empty
+            if num_params == 0 and hasattr(param, "ds_numel"):
+                num_params = param.ds_numel
+
+            # Due to the design of 4bit linear layers from bitsandbytes
+            # one needs to multiply the number of parameters by 2 to get
+            # the correct number of parameters
+            if param.__class__.__name__ == "Params4bit":
+                num_params = num_params * 2
+
+            all_param += num_params
+            if param.requires_grad:
+                trainable_params += num_params
+
+        return trainable_params, all_param
+
+    def print_trainable_parameters(self):
+        """
+        Prints the number of trainable parameters in the model.
+
+        Note: print_trainable_parameters() uses get_nb_trainable_parameters() which is different from
+        num_parameters(only_trainable=True) from huggingface/transformers. get_nb_trainable_parameters() returns
+        (trainable parameters, all parameters) of the Peft Model which includes modified backbone transformer model.
+        For techniques like LoRA, the backbone transformer model is modified in place with LoRA modules. However, for
+        prompt tuning, the backbone transformer model is unmodified. num_parameters(only_trainable=True) returns number
+        of trainable parameters of the backbone transformer model which can be different.
+        """
+        # note: same as PeftModel.print_trainable_parameters
+        trainable_params, all_param = self.get_nb_trainable_parameters()
+
+        print(
+            f"trainable params: {trainable_params:,d} || "
+            f"all params: {all_param:,d} || "
+            f"trainable%: {100 * trainable_params / all_param:.4f}"
+        )
+
+    def __getattr__(self, name: str):
+        """Forward missing attributes to the wrapped module."""
+        try:
+            return super().__getattr__(name)  # defer to nn.Module's logic
+        except AttributeError:
+            return getattr(self.base_model, name)
+
+    def forward(self, *args: Any, **kwargs: Any):
+        """
+        Forward pass of the model.
+        """
+        return self.base_model(*args, **kwargs)
+
+    def generate(self, *args: Any, **kwargs: Any):
+        """
+        Generate output.
+        """
+        return self.base_model.generate(*args, **kwargs)
+
+    @contextmanager
+    def disable_adapter(self):
+        """
+        Disables the adapter module.
+        """
+        try:
+            self.base_model.disable_adapter_layers()
+            yield
+        finally:
+            self.base_model.enable_adapter_layers()
+
+    def add_adapter(self, adapter_name: str, peft_config: PeftConfig):
+        _check_config_compatible(peft_config)
+
+        try:
+            self.peft_config[adapter_name] = peft_config
+            self.base_model.inject_adapter(self, adapter_name)
+        except Exception:  # something went wrong, roll back
+            if adapter_name in self.peft_config:
+                del self.peft_config[adapter_name]
+            raise
+
+        self.set_modules_to_save(peft_config, adapter_name)
+
+    def set_modules_to_save(self, peft_config: PeftConfig, adapter_name: str) -> None:
+        if (modules_to_save := getattr(peft_config, "modules_to_save", None)) is None:
+            return
+
+        if self.modules_to_save is None:
+            self.modules_to_save = set(modules_to_save)
+        else:
+            self.modules_to_save.update(modules_to_save)
+        _set_trainable(self, adapter_name)
+
+    def set_adapter(self, adapter_name: Union[str, list[str]]) -> None:
+        """
+        Sets the active adapter(s) for the model.
+
+        Note that the order in which the adapters are applied during the forward pass may not be the same as the order
+        in which they are passed to this function. Instead, the order during the forward pass is determined by the
+        order in which the adapters were loaded into the model. The active adapters only determine which adapters are
+        active during the forward pass, but not the order in which they are applied.
+
+        Additionally, this function will set the specified adapters to trainable (i.e., requires_grad=True). If this is
+        not desired, use the following code.
+
+        ```py
+        >>> for name, param in model_peft.named_parameters():
+        ...     if ...:  # some check on name (ex. if 'lora' in name)
+        ...         param.requires_grad = False
+        ```
+
+        Args:
+            adapter_name (`str` or `List[str]`):
+                The name of the adapter(s) to be activated.
+        """
+        if isinstance(adapter_name, str):
+            adapter_name = [adapter_name]
+
+        mismatched = set(adapter_name) - set(self.peft_config.keys())
+        if mismatched:
+            raise ValueError(
+                f"Adapter(s) {sorted(mismatched)} not found, available adapters: {sorted(self.peft_config.keys())}"
+            )
+
+        self.base_model.set_adapter(adapter_name)
+        _set_adapter(self, adapter_name)
+
+    def delete_adapter(self, adapter_name: Union[str, list[str]]) -> None:
+        if isinstance(adapter_name, str):
+            adapter_name = [adapter_name]
+
+        mismatched = set(adapter_name) - set(self.peft_config.keys())
+        if mismatched:
+            raise ValueError(
+                f"Adapter(s) {sorted(mismatched)} not found, available adapters: {sorted(self.peft_config.keys())}"
+            )
+
+        self.base_model.delete_adapter(adapter_name)
+
+    def merge_and_unload(self, *args: Any, **kwargs: Any):
+        r"""
+        This method merges the adapter layers into the base model. This is needed if someone wants to use the base
+        model as a standalone model.
+
+        Args:
+            progressbar (`bool`):
+                whether to show a progressbar indicating the unload and merge process
+            safe_merge (`bool`):
+                whether to activate the safe merging check to check if there is any potential Nan in the adapter
+                weights
+            adapter_names (`List[str]`, *optional*):
+                The list of adapter names that should be merged. If None, all active adapters will be merged. Defaults
+                to `None`.
+        """
+        return self.base_model.merge_and_unload(*args, **kwargs)
+
+    def unload(self, *args: Any, **kwargs: Any):
+        """
+        Gets back the base model by removing all the adapter modules without merging. This gives back the original base
+        model.
+        """
+        return self.base_model.unload(*args, **kwargs)
+
+    @classmethod
+    def _split_kwargs(cls, kwargs: dict[str, Any]):
+        return PeftModel._split_kwargs(kwargs)
+
+    def load_adapter(self, model_id: str, adapter_name: str, *args: Any, **kwargs: Any):
+        output = PeftModel.load_adapter(self, model_id, adapter_name, *args, **kwargs)
+        # TODO: not quite clear why this is necessary but tests fail without it
+        self.set_adapter(self.active_adapters)
+        return output
+
+    def create_or_update_model_card(self, output_dir: str):
+        raise NotImplementedError(f"Model card creation is not supported for {self.__class__.__name__} (yet).")
+
+    def save_pretrained(
+        self,
+        save_directory: str,
+        safe_serialization: bool = False,
+        selected_adapters: Optional[list[str]] = None,
+        **kwargs: Any,
+    ):
+        raise NotImplementedError(f"Saving is not supported for {self.__class__.__name__} (yet).")
+
+    @classmethod
+    def from_pretrained(
+        cls,
+        model: nn.Module,
+        model_id: str | os.PathLike,
+        adapter_name: str = "default",
+        is_trainable: bool = False,
+        config: Optional[PeftConfig] = None,
+        **kwargs: Any,
+    ):
+        r"""
+        Instantiate a PEFT mixed model from a pretrained model and loaded PEFT weights.
+
+        Note that the passed `model` may be modified inplace.
+
+        Args:
+            model (`nn.Module`):
+                The model to be adapted.
+            model_id (`str` or `os.PathLike`):
+                The name of the PEFT configuration to use. Can be either:
+                    - A string, the `model id` of a PEFT configuration hosted inside a model repo on the Hugging Face
+                      Hub.
+                    - A path to a directory containing a PEFT configuration file saved using the `save_pretrained`
+                      method (`./my_peft_config_directory/`).
+            adapter_name (`str`, *optional*, defaults to `"default"`):
+                The name of the adapter to be loaded. This is useful for loading multiple adapters.
+            is_trainable (`bool`, *optional*, defaults to `False`):
+                Whether the adapter should be trainable or not. If `False`, the adapter will be frozen and use for
+                inference
+            config ([`~peft.PeftConfig`], *optional*):
+                The configuration object to use instead of an automatically loaded configuration. This configuration
+                object is mutually exclusive with `model_id` and `kwargs`. This is useful when configuration is already
+                loaded before calling `from_pretrained`.
+            kwargs: (`optional`):
+                Additional keyword arguments passed along to the specific PEFT configuration class.
+        """
+        # note: adapted from PeftModel.from_pretrained
+        from .mapping import PEFT_TYPE_TO_CONFIG_MAPPING
+
+        # load the config
+        if config is None:
+            config = PEFT_TYPE_TO_CONFIG_MAPPING[
+                PeftConfig._get_peft_type(
+                    model_id,
+                    subfolder=kwargs.get("subfolder", None),
+                    revision=kwargs.get("revision", None),
+                    cache_dir=kwargs.get("cache_dir", None),
+                    use_auth_token=kwargs.get("use_auth_token", None),
+                )
+            ].from_pretrained(model_id, **kwargs)
+        elif isinstance(config, PeftConfig):
+            config.inference_mode = not is_trainable
+        else:
+            raise ValueError(f"The input config must be a PeftConfig, got {config.__class__}")
+
+        # note: this is different from PeftModel.from_pretrained
+        if config.peft_type not in PEFT_TYPE_TO_MODEL_MAPPING:
+            raise ValueError(f"Adapter of type {config.peft_type} is not supported for mixed models.")
+
+        if (getattr(model, "hf_device_map", None) is not None) and len(
+            set(model.hf_device_map.values()).intersection({"cpu", "disk"})
+        ) > 0:
+            remove_hook_from_submodules(model)
+
+        if config.is_prompt_learning and is_trainable:
+            # note: should not be possible to reach, but just in case
+            raise ValueError("Cannot set a prompt learning adapter to trainable when loading pretrained adapter.")
+        else:
+            config.inference_mode = not is_trainable
+
+        # note: this is different from PeftModel.from_pretrained, we always return a PeftMixedModel
+        model = cls(model, config, adapter_name)
+        model.load_adapter(model_id, adapter_name, is_trainable=is_trainable, **kwargs)
+        return model

env-llmeval/lib/python3.10/site-packages/peft/peft_model.py

@@ -0,0 +1,1986 @@
+# Copyright 2023-present the HuggingFace Inc. team.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from __future__ import annotations
+
+import collections
+import inspect
+import os
+import warnings
+from contextlib import contextmanager
+from copy import deepcopy
+from typing import Any, Optional, Union
+
+import packaging.version
+import torch
+import transformers
+from accelerate import dispatch_model, infer_auto_device_map
+from accelerate.hooks import AlignDevicesHook, add_hook_to_module, remove_hook_from_submodules
+from accelerate.utils import get_balanced_memory
+from huggingface_hub import ModelCard, ModelCardData, hf_hub_download
+from safetensors.torch import save_file as safe_save_file
+from torch.nn import BCEWithLogitsLoss, CrossEntropyLoss, MSELoss
+from transformers import PreTrainedModel
+from transformers.modeling_outputs import QuestionAnsweringModelOutput, SequenceClassifierOutput, TokenClassifierOutput
+from transformers.utils import PushToHubMixin
+
+from . import __version__
+from .config import PeftConfig
+from .tuners import (
+    AdaLoraModel,
+    AdaptionPromptModel,
+    IA3Model,
+    LoHaModel,
+    LoKrModel,
+    LoraModel,
+    MultitaskPromptEmbedding,
+    OFTModel,
+    PolyModel,
+    PrefixEncoder,
+    PromptEmbedding,
+    PromptEncoder,
+)
+from .utils import (
+    SAFETENSORS_WEIGHTS_NAME,
+    TRANSFORMERS_MODELS_TO_PREFIX_TUNING_POSTPROCESS_MAPPING,
+    WEIGHTS_NAME,
+    PeftType,
+    TaskType,
+    _get_batch_size,
+    _prepare_prompt_learning_config,
+    _set_adapter,
+    _set_trainable,
+    get_peft_model_state_dict,
+    id_tensor_storage,
+    infer_device,
+    load_peft_weights,
+    set_peft_model_state_dict,
+    shift_tokens_right,
+)
+
+
+PEFT_TYPE_TO_MODEL_MAPPING = {
+    PeftType.LORA: LoraModel,
+    PeftType.LOHA: LoHaModel,
+    PeftType.LOKR: LoKrModel,
+    PeftType.PROMPT_TUNING: PromptEmbedding,
+    PeftType.P_TUNING: PromptEncoder,
+    PeftType.PREFIX_TUNING: PrefixEncoder,
+    PeftType.ADALORA: AdaLoraModel,
+    PeftType.ADAPTION_PROMPT: AdaptionPromptModel,
+    PeftType.IA3: IA3Model,
+    PeftType.OFT: OFTModel,
+    PeftType.POLY: PolyModel,
+}
+
+
+class PeftModel(PushToHubMixin, torch.nn.Module):
+    """
+    Base model encompassing various Peft methods.
+
+    Args:
+        model ([`~transformers.PreTrainedModel`]): The base transformer model used for Peft.
+        peft_config ([`PeftConfig`]): The configuration of the Peft model.
+        adapter_name (`str`,  *optional*): The name of the adapter, defaults to `"default"`.
+
+    **Attributes**:
+        - **base_model** ([`torch.nn.Module`]) -- The base transformer model used for Peft.
+        - **peft_config** ([`PeftConfig`]) -- The configuration of the Peft model.
+        - **modules_to_save** (`list` of `str`) -- The list of sub-module names to save when
+            saving the model.
+        - **prompt_encoder** ([`PromptEncoder`]) -- The prompt encoder used for Peft if
+            using [`PromptLearningConfig`].
+        - **prompt_tokens** (`torch.Tensor`) -- The virtual prompt tokens used for Peft if
+            using [`PromptLearningConfig`].
+        - **transformer_backbone_name** (`str`) -- The name of the transformer
+            backbone in the base model if using [`PromptLearningConfig`].
+        - **word_embeddings** (`torch.nn.Embedding`) -- The word embeddings of the transformer backbone
+            in the base model if using [`PromptLearningConfig`].
+    """
+
+    def __init__(self, model: PreTrainedModel, peft_config: PeftConfig, adapter_name: str = "default") -> None:
+        super().__init__()
+        self.modules_to_save = None
+        self.active_adapter = adapter_name
+        self.peft_type = peft_config.peft_type
+        # These args are special PEFT arguments that users can pass. They need to be removed before passing them to
+        # forward.
+        self.special_peft_forward_args = {"adapter_names"}
+
+        self._is_prompt_learning = peft_config.is_prompt_learning
+        if self._is_prompt_learning:
+            self._peft_config = {adapter_name: peft_config}
+            self.base_model = model
+            self.add_adapter(adapter_name, peft_config)
+        else:
+            self._peft_config = None
+            cls = PEFT_TYPE_TO_MODEL_MAPPING[peft_config.peft_type]
+            self.base_model = cls(model, {adapter_name: peft_config}, adapter_name)
+            self.set_additional_trainable_modules(peft_config, adapter_name)
+
+        if getattr(model, "is_gradient_checkpointing", True):
+            model = self._prepare_model_for_gradient_checkpointing(model)
+
+        # the `pretraining_tp` is set for some models to simulate Tensor Parallelism during inference to avoid
+        # numerical differences, https://github.com/pytorch/pytorch/issues/76232 - to avoid any unexpected
+        # behavior we disable that in this line.
+        if hasattr(self.base_model, "config") and hasattr(self.base_model.config, "pretraining_tp"):
+            self.base_model.config.pretraining_tp = 1
+
+    @property
+    def peft_config(self) -> dict[str, PeftConfig]:
+        if self._is_prompt_learning:
+            return self._peft_config
+        return self.base_model.peft_config
+
+    @property
+    def active_adapters(self) -> list[str]:
+        try:
+            adapters = self.base_model.active_adapters
+        except AttributeError:
+            adapters = self.active_adapter
+            if isinstance(adapters, str):
+                adapters = [adapters]
+        return adapters
+
+    @peft_config.setter
+    def peft_config(self, value: dict[str, PeftConfig]):
+        if self._is_prompt_learning:
+            self._peft_config = value
+        else:
+            self.base_model.peft_config = value
+
+    def save_pretrained(
+        self,
+        save_directory: str,
+        safe_serialization: bool = True,
+        selected_adapters: Optional[list[str]] = None,
+        save_embedding_layers: Union[str, bool] = "auto",
+        is_main_process: bool = True,
+        **kwargs: Any,
+    ) -> None:
+        r"""
+        This function saves the adapter model and the adapter configuration files to a directory, so that it can be
+        reloaded using the [`PeftModel.from_pretrained`] class method, and also used by the [`PeftModel.push_to_hub`]
+        method.
+
+        Args:
+            save_directory (`str`):
+                Directory where the adapter model and configuration files will be saved (will be created if it does not
+                exist).
+            safe_serialization (`bool`, *optional*):
+                Whether to save the adapter files in safetensors format, defaults to `True`.
+            selected_adapters (`List[str]`,  *optional*):
+                A list of adapters to be saved. If `None`, will default to all adapters.
+            save_embedding_layers (`Union[bool, str]`, *optional*, defaults to `"auto"`):
+                If `True`, save the embedding layers in addition to adapter weights. If `auto`, checks the common
+                embedding layers `peft.utils.other.EMBEDDING_LAYER_NAMES` in config's `target_modules` when available.
+                and automatically sets the boolean flag. This only works for 🤗 transformers models.
+            is_main_process (`bool`, *optional*):
+                Whether the process calling this is the main process or not. Will default to `True`. Will not save the
+                checkpoint if not on the main process, which is important for multi device setups (e.g. DDP).
+            kwargs (additional keyword arguments, *optional*):
+                Additional keyword arguments passed along to the `push_to_hub` method.
+        """
+        if os.path.isfile(save_directory):
+            raise ValueError(f"Provided path ({save_directory}) should be a directory, not a file")
+
+        if selected_adapters is None:
+            selected_adapters = list(self.peft_config.keys())
+        else:
+            if any(
+                selected_adapter_name not in list(self.peft_config.keys())
+                for selected_adapter_name in selected_adapters
+            ):
+                raise ValueError(
+                    f"You passed an invalid `selected_adapters` arguments, current supported adapter names are"
+                    f" {list(self.peft_config.keys())} - got {selected_adapters}."
+                )
+
+        if is_main_process:
+            os.makedirs(save_directory, exist_ok=True)
+            self.create_or_update_model_card(save_directory)
+
+        for adapter_name in selected_adapters:
+            peft_config = self.peft_config[adapter_name]
+            # save only the trainable weights
+            output_state_dict = get_peft_model_state_dict(
+                self,
+                state_dict=kwargs.get("state_dict", None),
+                adapter_name=adapter_name,
+                save_embedding_layers=save_embedding_layers,
+            )
+            output_dir = os.path.join(save_directory, adapter_name) if adapter_name != "default" else save_directory
+            os.makedirs(output_dir, exist_ok=True)
+
+            if is_main_process and safe_serialization:
+                # Section copied from: https://github.com/huggingface/transformers/blob/main/src/transformers/modeling_utils.py#L2111-L2134
+                # Safetensors does not allow tensor aliasing.
+                # We're going to remove aliases before saving
+                ptrs = collections.defaultdict(list)
+                for name, tensor in output_state_dict.items():
+                    # Sometimes in the state_dict we have non-tensor objects.
+                    # e.g. in bitsandbytes we have some `str` objects in the state_dict
+                    if isinstance(tensor, torch.Tensor):
+                        ptrs[id_tensor_storage(tensor)].append(name)
+                    else:
+                        # In the non-tensor case, fall back to the pointer of the object itself
+                        ptrs[id(tensor)].append(name)
+
+                # These are all the pointers of shared tensors.
+                shared_ptrs = {ptr: names for ptr, names in ptrs.items() if len(names) > 1}
+
+                for _, names in shared_ptrs.items():
+                    # Here we just clone the shared tensors to avoid tensor aliasing which is
+                    # not supported in safetensors.
+                    for shared_tensor_name in names[1:]:
+                        output_state_dict[shared_tensor_name] = output_state_dict[shared_tensor_name].clone()
+
+                safe_save_file(
+                    output_state_dict,
+                    os.path.join(output_dir, SAFETENSORS_WEIGHTS_NAME),
+                    metadata={"format": "pt"},
+                )
+            elif is_main_process:
+                torch.save(output_state_dict, os.path.join(output_dir, WEIGHTS_NAME))
+
+            # save the config and change the inference mode to `True`
+            if peft_config.base_model_name_or_path is None:
+                peft_config.base_model_name_or_path = (
+                    self.base_model.__dict__.get("name_or_path", None)
+                    if peft_config.is_prompt_learning
+                    else self.base_model.model.__dict__.get("name_or_path", None)
+                )
+            inference_mode = peft_config.inference_mode
+            peft_config.inference_mode = True
+
+            if peft_config.task_type is None:
+                # deal with auto mapping
+                base_model_class = self._get_base_model_class(
+                    is_prompt_tuning=peft_config.is_prompt_learning,
+                )
+                parent_library = base_model_class.__module__
+
+                auto_mapping_dict = {
+                    "base_model_class": base_model_class.__name__,
+                    "parent_library": parent_library,
+                }
+            else:
+                auto_mapping_dict = None
+
+            if is_main_process:
+                peft_config.save_pretrained(output_dir, auto_mapping_dict=auto_mapping_dict)
+            peft_config.inference_mode = inference_mode
+
+    @classmethod
+    def from_pretrained(
+        cls,
+        model: torch.nn.Module,
+        model_id: Union[str, os.PathLike],
+        adapter_name: str = "default",
+        is_trainable: bool = False,
+        config: Optional[PeftConfig] = None,
+        **kwargs: Any,
+    ) -> PeftModel:
+        r"""
+        Instantiate a PEFT model from a pretrained model and loaded PEFT weights.
+
+        Note that the passed `model` may be modified inplace.
+
+        Args:
+            model ([`torch.nn.Module`]):
+                The model to be adapted. For 🤗 Transformers models, the model should be initialized with the
+                [`~transformers.PreTrainedModel.from_pretrained`].
+            model_id (`str` or `os.PathLike`):
+                The name of the PEFT configuration to use. Can be either:
+                    - A string, the `model id` of a PEFT configuration hosted inside a model repo on the Hugging Face
+                      Hub.
+                    - A path to a directory containing a PEFT configuration file saved using the `save_pretrained`
+                      method (`./my_peft_config_directory/`).
+            adapter_name (`str`, *optional*, defaults to `"default"`):
+                The name of the adapter to be loaded. This is useful for loading multiple adapters.
+            is_trainable (`bool`, *optional*, defaults to `False`):
+                Whether the adapter should be trainable or not. If `False`, the adapter will be frozen and can only be
+                used for inference.
+            config ([`~peft.PeftConfig`], *optional*):
+                The configuration object to use instead of an automatically loaded configuration. This configuration
+                object is mutually exclusive with `model_id` and `kwargs`. This is useful when configuration is already
+                loaded before calling `from_pretrained`.
+            kwargs: (`optional`):
+                Additional keyword arguments passed along to the specific PEFT configuration class.
+        """
+        from .mapping import MODEL_TYPE_TO_PEFT_MODEL_MAPPING, PEFT_TYPE_TO_CONFIG_MAPPING
+
+        # load the config
+        if config is None:
+            config = PEFT_TYPE_TO_CONFIG_MAPPING[
+                PeftConfig._get_peft_type(
+                    model_id,
+                    subfolder=kwargs.get("subfolder", None),
+                    revision=kwargs.get("revision", None),
+                    cache_dir=kwargs.get("cache_dir", None),
+                    use_auth_token=kwargs.get("use_auth_token", None),
+                    token=kwargs.get("token", None),
+                )
+            ].from_pretrained(model_id, **kwargs)
+        elif isinstance(config, PeftConfig):
+            config.inference_mode = not is_trainable
+        else:
+            raise ValueError(f"The input config must be a PeftConfig, got {config.__class__}")
+
+        if (getattr(model, "hf_device_map", None) is not None) and len(
+            set(model.hf_device_map.values()).intersection({"cpu", "disk"})
+        ) > 0:
+            remove_hook_from_submodules(model)
+
+        if config.is_prompt_learning and is_trainable:
+            raise ValueError("Cannot set a prompt learning adapter to trainable when loading pretrained adapter.")
+        else:
+            config.inference_mode = not is_trainable
+
+        if config.task_type not in MODEL_TYPE_TO_PEFT_MODEL_MAPPING.keys():
+            model = cls(model, config, adapter_name)
+        else:
+            model = MODEL_TYPE_TO_PEFT_MODEL_MAPPING[config.task_type](model, config, adapter_name)
+        model.load_adapter(model_id, adapter_name, is_trainable=is_trainable, **kwargs)
+        return model
+
+    def _setup_prompt_encoder(self, adapter_name: str):
+        config = self.peft_config[adapter_name]
+        if not hasattr(self, "prompt_encoder"):
+            self.prompt_encoder = torch.nn.ModuleDict({})
+            self.prompt_tokens = {}
+        transformer_backbone = None
+        for name, module in self.base_model.named_children():
+            for param in module.parameters():
+                param.requires_grad = False
+            if isinstance(module, PreTrainedModel):
+                # Make sure to freeze Tranformers model
+                if transformer_backbone is None:
+                    transformer_backbone = module
+                    self.transformer_backbone_name = name
+        if transformer_backbone is None:
+            transformer_backbone = self.base_model
+
+        if config.num_transformer_submodules is None:
+            config.num_transformer_submodules = 2 if config.task_type == TaskType.SEQ_2_SEQ_LM else 1
+
+        for named_param, value in list(transformer_backbone.named_parameters()):
+            # for ZeRO-3, the tensor is sharded across accelerators and deepspeed modifies it to a tensor with shape [0]
+            # the actual unsharded shape is stored in "ds_shape" attribute
+            # special handling is needed in case the model is initialized in deepspeed.zero.Init() context or HfDeepSpeedConfig
+            # has been called before
+            # For reference refer to issue: https://github.com/huggingface/peft/issues/996
+            deepspeed_distributed_tensor_shape = getattr(value, "ds_shape", None)
+
+            if value.shape[0] == self.base_model.config.vocab_size or (
+                deepspeed_distributed_tensor_shape is not None
+                and deepspeed_distributed_tensor_shape[0] == self.base_model.config.vocab_size
+            ):
+                self.word_embeddings = transformer_backbone.get_submodule(named_param.replace(".weight", ""))
+                break
+
+        if config.peft_type == PeftType.PROMPT_TUNING:
+            prompt_encoder = PromptEmbedding(config, self.word_embeddings)
+        elif config.peft_type == PeftType.MULTITASK_PROMPT_TUNING:
+            prompt_encoder = MultitaskPromptEmbedding(config, self.word_embeddings)
+        elif config.peft_type == PeftType.P_TUNING:
+            prompt_encoder = PromptEncoder(config)
+        elif config.peft_type == PeftType.PREFIX_TUNING:
+            prompt_encoder = PrefixEncoder(config)
+        else:
+            raise ValueError("Not supported")
+
+        prompt_encoder = prompt_encoder.to(self.device)
+        self.prompt_encoder.update(torch.nn.ModuleDict({adapter_name: prompt_encoder}))
+        self.prompt_tokens[adapter_name] = torch.arange(
+            config.num_virtual_tokens * config.num_transformer_submodules
+        ).long()
+
+    def _prepare_model_for_gradient_checkpointing(self, model: PreTrainedModel):
+        r"""
+        Prepares the model for gradient checkpointing if necessary
+        """
+        if not (
+            getattr(model, "is_loaded_in_8bit", False)
+            or getattr(model, "is_loaded_in_4bit", False)
+            or getattr(model, "is_quantized", False)
+        ):
+            if hasattr(model, "enable_input_require_grads"):
+                model.enable_input_require_grads()
+            elif hasattr(model, "get_input_embeddings"):
+
+                def make_inputs_require_grad(module, input, output):
+                    output.requires_grad_(True)
+
+                model.get_input_embeddings().register_forward_hook(make_inputs_require_grad)
+        return model
+
+    def get_prompt_embedding_to_save(self, adapter_name: str) -> torch.Tensor:
+        """
+        Returns the prompt embedding to save when saving the model. Only applicable when using a prompt learning
+        method.
+        """
+        prompt_encoder = self.prompt_encoder[adapter_name]
+        prompt_tokens = (
+            self.prompt_tokens[adapter_name].unsqueeze(0).expand(1, -1).to(prompt_encoder.embedding.weight.device)
+        )
+        if self.peft_config[adapter_name].peft_type == PeftType.PREFIX_TUNING:
+            prompt_tokens = prompt_tokens[:, : self.peft_config[adapter_name].num_virtual_tokens]
+
+        if self.peft_config[adapter_name].peft_type == PeftType.MULTITASK_PROMPT_TUNING:
+            prompt_embeddings = super(MultitaskPromptEmbedding, prompt_encoder).forward(prompt_tokens)
+        else:
+            prompt_embeddings = prompt_encoder(prompt_tokens)
+
+        return prompt_embeddings[0].detach().cpu()
+
+    def get_prompt(self, batch_size: int, task_ids: Optional[torch.Tensor] = None) -> torch.Tensor:
+        """
+        Returns the virtual prompts to use for Peft. Only applicable when using a prompt learning method.
+        """
+        peft_config = self.active_peft_config
+        prompt_encoder = self.prompt_encoder[self.active_adapter]
+        prompt_tokens = (
+            self.prompt_tokens[self.active_adapter]
+            .unsqueeze(0)
+            .expand(batch_size, -1)
+            .to(prompt_encoder.embedding.weight.device)
+        )
+        if peft_config.peft_type == PeftType.PREFIX_TUNING:
+            prompt_tokens = prompt_tokens[:, : peft_config.num_virtual_tokens]
+            if peft_config.inference_mode:
+                past_key_values = prompt_encoder.embedding.weight.repeat(batch_size, 1, 1)
+            else:
+                past_key_values = prompt_encoder(prompt_tokens)
+            if self.base_model_torch_dtype is not None:
+                past_key_values = past_key_values.to(self.base_model_torch_dtype)
+            past_key_values = past_key_values.view(
+                batch_size,
+                peft_config.num_virtual_tokens,
+                peft_config.num_layers * 2,
+                peft_config.num_attention_heads,
+                peft_config.token_dim // peft_config.num_attention_heads,
+            )
+            if peft_config.num_transformer_submodules == 2:
+                past_key_values = torch.cat([past_key_values, past_key_values], dim=2)
+            past_key_values = past_key_values.permute([2, 0, 3, 1, 4]).split(
+                peft_config.num_transformer_submodules * 2
+            )
+            if TRANSFORMERS_MODELS_TO_PREFIX_TUNING_POSTPROCESS_MAPPING.get(self.config.model_type, None) is not None:
+                post_process_fn = TRANSFORMERS_MODELS_TO_PREFIX_TUNING_POSTPROCESS_MAPPING[self.config.model_type]
+                past_key_values = post_process_fn(past_key_values)
+            return past_key_values
+        else:
+            if peft_config.peft_type == PeftType.MULTITASK_PROMPT_TUNING:
+                prompts = prompt_encoder(prompt_tokens, task_ids)
+            else:
+                if peft_config.inference_mode:
+                    prompts = prompt_encoder.embedding.weight.repeat(batch_size, 1, 1)
+                else:
+                    prompts = prompt_encoder(prompt_tokens)
+            return prompts
+
+    def get_nb_trainable_parameters(self) -> tuple[int, int]:
+        r"""
+        Returns the number of trainable parameters and the number of all parameters in the model.
+        """
+        trainable_params = 0
+        all_param = 0
+        for _, param in self.named_parameters():
+            num_params = param.numel()
+            # if using DS Zero 3 and the weights are initialized empty
+            if num_params == 0 and hasattr(param, "ds_numel"):
+                num_params = param.ds_numel
+
+            # Due to the design of 4bit linear layers from bitsandbytes
+            # one needs to multiply the number of parameters by 2 to get
+            # the correct number of parameters
+            if param.__class__.__name__ == "Params4bit":
+                num_bytes = param.quant_storage.itemsize if hasattr(param, "quant_storage") else 1
+                num_params = num_params * 2 * num_bytes
+
+            all_param += num_params
+            if param.requires_grad:
+                trainable_params += num_params
+
+        return trainable_params, all_param
+
+    def print_trainable_parameters(self) -> None:
+        """
+        Prints the number of trainable parameters in the model.
+
+        Note: print_trainable_parameters() uses get_nb_trainable_parameters() which is different from
+        num_parameters(only_trainable=True) from huggingface/transformers. get_nb_trainable_parameters() returns
+        (trainable parameters, all parameters) of the Peft Model which includes modified backbone transformer model.
+        For techniques like LoRA, the backbone transformer model is modified in place with LoRA modules. However, for
+        prompt tuning, the backbone transformer model is unmodified. num_parameters(only_trainable=True) returns number
+        of trainable parameters of the backbone transformer model which can be different.
+        """
+        trainable_params, all_param = self.get_nb_trainable_parameters()
+
+        print(
+            f"trainable params: {trainable_params:,d} || all params: {all_param:,d} || trainable%: {100 * trainable_params / all_param}"
+        )
+
+    def __getattr__(self, name: str):
+        """Forward missing attributes to the wrapped module."""
+        try:
+            return super().__getattr__(name)  # defer to nn.Module's logic
+        except AttributeError:
+            return getattr(self.base_model, name)
+
+    @contextmanager
+    def _enable_peft_forward_hooks(self, *args, **kwargs):
+        # If the base model has a method called _enable_peft_forward_hooks, it is invoked as a context. Otherwise, this
+        # runs without any changes
+        if hasattr(self.base_model, "_enable_peft_forward_hooks"):
+            with self.base_model._enable_peft_forward_hooks(*args, **kwargs):
+                yield
+            return
+        else:
+            # nothing to enable
+            yield
+            return
+
+    def forward(self, *args: Any, **kwargs: Any):
+        """
+        Forward pass of the model.
+        """
+        with self._enable_peft_forward_hooks(*args, **kwargs):
+            kwargs = {k: v for k, v in kwargs.items() if k not in self.special_peft_forward_args}
+            return self.get_base_model()(*args, **kwargs)
+
+    def generate(self, *args, **kwargs):
+        with self._enable_peft_forward_hooks(*args, **kwargs):
+            kwargs = {k: v for k, v in kwargs.items() if k not in self.special_peft_forward_args}
+            return self.get_base_model().generate(*args, **kwargs)
+
+    def _get_base_model_class(self, is_prompt_tuning=False):
+        """
+        Returns the base model class.
+        """
+        if not is_prompt_tuning:
+            return self.base_model.model.__class__
+        return self.base_model.__class__
+
+    @contextmanager
+    def disable_adapter(self):
+        """
+        Context manager that disables the adapter module. Use this to run inference on the base model.
+
+        Example:
+
+        ```py
+        >>> with model.disable_adapter():
+        ...     model(inputs)
+        ```
+        """
+        try:
+            if self.peft_config[self.active_adapter].is_prompt_learning:
+                # TODO: consider replacing this patching of methods with a more robust mechanism: setting a flag and
+                # letting the underlying methods deal with it, same as how LoRA does it.
+                old_forward = self.forward
+                self.forward = self.base_model.forward
+                old_prepare_inputs_for_generation = self.prepare_inputs_for_generation
+                self.prepare_inputs_for_generation = self.base_model.prepare_inputs_for_generation
+            else:
+                self.base_model.disable_adapter_layers()
+            yield
+        finally:
+            if self.peft_config[self.active_adapter].is_prompt_learning:
+                self.forward = old_forward
+                self.prepare_inputs_for_generation = old_prepare_inputs_for_generation
+            else:
+                self.base_model.enable_adapter_layers()
+
+    def get_base_model(self) -> torch.nn.Module:
+        """
+        Returns the base model.
+        """
+        return (
+            self.base_model
+            if (self.active_peft_config.is_prompt_learning or self.peft_type == PeftType.POLY)
+            else self.base_model.model
+        )
+
+    def add_adapter(self, adapter_name: str, peft_config: PeftConfig) -> None:
+        """
+        Add an adapter to the model based on the passed configuration.
+
+        This adapter is not trained. To load a trained adapter, check out [`PeftModel.load_adapter`].
+
+        The name for the new adapter should be unique.
+
+        The new adapter is not automatically set as the active adapter. Use [`PeftModel.set_adapter`] to set the active
+        adapter.
+
+        Args:
+            adapter_name (`str`):
+                The name of the adapter to be added.
+            peft_config ([`PeftConfig`]):
+                The configuration of the adapter to be added.
+        """
+        if peft_config.peft_type != self.peft_type:
+            raise ValueError(
+                f"Cannot combine adapters with different peft types. "
+                f"Found {self.peft_type} and {peft_config.peft_type}."
+            )
+
+        try:
+            if peft_config.is_prompt_learning:
+                self.peft_config[adapter_name] = peft_config
+                if hasattr(self.config, "to_dict"):
+                    dict_config = self.config.to_dict()
+                else:
+                    dict_config = self.config
+
+                peft_config = _prepare_prompt_learning_config(peft_config, dict_config)
+                self._setup_prompt_encoder(adapter_name)
+            elif peft_config.is_adaption_prompt:
+                self.base_model.add_adapter(adapter_name, peft_config)
+            else:
+                self.peft_config[adapter_name] = peft_config
+                self.base_model.inject_adapter(self.base_model.model, adapter_name)
+        except Exception:  # something went wrong, roll back
+            if adapter_name in self.peft_config:
+                del self.peft_config[adapter_name]
+            raise
+
+        self.set_additional_trainable_modules(peft_config, adapter_name)
+
+    def set_additional_trainable_modules(self, peft_config, adapter_name):
+        if getattr(peft_config, "modules_to_save", None) is not None:
+            if self.modules_to_save is None:
+                self.modules_to_save = set(peft_config.modules_to_save)
+            else:
+                self.modules_to_save.update(peft_config.modules_to_save)
+            _set_trainable(self, adapter_name)
+
+    @classmethod
+    def _split_kwargs(cls, kwargs: dict[str, Any]):
+        _kwargs_not_in_hf_hub_download_signature = ("use_auth_token",)
+        hf_hub_download_kwargs = {}
+        other_kwargs = {}
+
+        for key, value in kwargs.items():
+            if key in inspect.signature(hf_hub_download).parameters or key in _kwargs_not_in_hf_hub_download_signature:
+                hf_hub_download_kwargs[key] = value
+            else:
+                other_kwargs[key] = value
+
+        return hf_hub_download_kwargs, other_kwargs
+
+    def load_adapter(self, model_id: str, adapter_name: str, is_trainable: bool = False, **kwargs: Any):
+        """
+        Load a trained adapter into the model.
+
+        The name for the new adapter should be unique.
+
+        The new adapter is not automatically set as the active adapter. Use [`PeftModel.set_adapter`] to set the active
+        adapter.
+
+        Args:
+            adapter_name (`str`):
+                The name of the adapter to be added.
+            peft_config ([`PeftConfig`]):
+                The configuration of the adapter to be added.
+            is_trainable (`bool`, *optional*, defaults to `False`):
+                Whether the adapter should be trainable or not. If `False`, the adapter will be frozen and can only be
+                used for inference.
+            kwargs: (`optional`):
+                Additional arguments to modify the way the adapter is loaded, e.g. the token for Hugging Face Hub.
+        """
+        from .mapping import PEFT_TYPE_TO_CONFIG_MAPPING
+
+        hf_hub_download_kwargs, kwargs = self._split_kwargs(kwargs)
+        torch_device = infer_device()
+
+        if adapter_name not in self.peft_config:
+            # load the config
+            peft_config = PEFT_TYPE_TO_CONFIG_MAPPING[
+                PeftConfig._get_peft_type(
+                    model_id,
+                    **hf_hub_download_kwargs,
+                )
+            ].from_pretrained(
+                model_id,
+                **hf_hub_download_kwargs,
+            )
+            if peft_config.is_prompt_learning and is_trainable:
+                raise ValueError("Cannot set a prompt learning adapter to trainable when loading pretrained adapter.")
+            else:
+                peft_config.inference_mode = not is_trainable
+            self.add_adapter(adapter_name, peft_config)
+
+        adapters_weights = load_peft_weights(model_id, device=torch_device, **hf_hub_download_kwargs)
+
+        # load the weights into the model
+        load_result = set_peft_model_state_dict(self, adapters_weights, adapter_name=adapter_name)
+        if (
+            (getattr(self, "hf_device_map", None) is not None)
+            and (len(set(self.hf_device_map.values()).intersection({"cpu", "disk"})) > 0)
+            and len(self.peft_config) == 1
+        ):
+            device_map = kwargs.get("device_map", "auto")
+            max_memory = kwargs.get("max_memory", None)
+            offload_dir = kwargs.get("offload_folder", None)
+            offload_index = kwargs.get("offload_index", None)
+
+            dispatch_model_kwargs = {}
+            # Safety checker for previous `accelerate` versions
+            # `offload_index` was introduced in https://github.com/huggingface/accelerate/pull/873/
+            if "offload_index" in inspect.signature(dispatch_model).parameters:
+                dispatch_model_kwargs["offload_index"] = offload_index
+
+            no_split_module_classes = self._no_split_modules
+
+            if device_map != "sequential":
+                max_memory = get_balanced_memory(
+                    self,
+                    max_memory=max_memory,
+                    no_split_module_classes=no_split_module_classes,
+                    low_zero=(device_map == "balanced_low_0"),
+                )
+            if isinstance(device_map, str):
+                device_map = infer_auto_device_map(
+                    self, max_memory=max_memory, no_split_module_classes=no_split_module_classes
+                )
+            dispatch_model(
+                self,
+                device_map=device_map,
+                offload_dir=offload_dir,
+                **dispatch_model_kwargs,
+            )
+            hook = AlignDevicesHook(io_same_device=True)
+            if self.peft_config[adapter_name].is_prompt_learning:
+                remove_hook_from_submodules(self.prompt_encoder)
+            add_hook_to_module(self.get_base_model(), hook)
+
+        # Set model in evaluation mode to deactivate Dropout modules by default
+        if not is_trainable:
+            self.eval()
+        return load_result
+
+    def set_adapter(self, adapter_name: str) -> None:
+        """
+        Sets the active adapter.
+
+        Only one adapter can be active at a time.
+
+        Additionally, this function will set the specified adapter to trainable (i.e., requires_grad=True). If this is
+        not desired, use the following code.
+
+        ```py
+        >>> for name, param in model_peft.named_parameters():
+        ...     if ...:  # some check on name (ex. if 'lora' in name)
+        ...         param.requires_grad = False
+        ```
+
+        Args:
+            adapter_name (`str`):
+                The name of the adapter to be set as active. The adapter must be loaded first.
+        """
+        if adapter_name not in self.peft_config:
+            raise ValueError(f"Adapter {adapter_name} not found.")
+        self.active_adapter = adapter_name
+        if not self.peft_config[adapter_name].is_prompt_learning:
+            self.base_model.set_adapter(adapter_name)
+        _set_adapter(self, adapter_name)
+
+    @property
+    def base_model_torch_dtype(self):
+        return getattr(self.base_model, "dtype", None)
+
+    @property
+    def active_peft_config(self):
+        return self.peft_config[self.active_adapter]
+
+    def create_or_update_model_card(self, output_dir: str):
+        """
+        Updates or create model card to include information about peft:
+        1. Adds `peft` library tag
+        2. Adds peft version
+        3. Adds base model info
+        4. Adds quantization information if it was used
+        """
+
+        filename = os.path.join(output_dir, "README.md")
+
+        card = ModelCard.load(filename) if os.path.exists(filename) else ModelCard.from_template(ModelCardData())
+
+        card.data["library_name"] = "peft"
+
+        model_config = getattr(self, "config", None)
+        if hasattr(model_config, "to_dict"):
+            model_config = model_config.to_dict()
+        if model_config is not None and "_name_or_path" in model_config:
+            card.data["base_model"] = model_config["_name_or_path"]
+
+        lines = card.text.splitlines()
+
+        quantization_config = None
+        if hasattr(model_config, "quantization_config"):
+            quantization_config = self.config.quantization_config.to_dict()
+        training_config_text = ""
+        quantization_prefix = "The following `bitsandbytes` quantization config was used during training:"
+        # Adds quantization information if it was used
+        if quantization_config is not None:
+            training_config_text += f"\n{quantization_prefix}\n"
+            training_config_text += "\n".join([f"- {name}: {value}" for name, value in quantization_config.items()])
+            training_config_text += "\n"
+
+        training_procedure_heading = "## Training procedure"
+        if quantization_prefix not in lines and bool(training_config_text):
+            if training_procedure_heading in lines:
+                lines.insert(lines.index(training_procedure_heading) + 2, training_config_text)
+            else:
+                lines.append(f"{training_procedure_heading}\n{training_config_text}")
+
+        # Adds peft version
+        framework_block_heading = "### Framework versions"
+        if f"- PEFT {__version__}" not in lines:
+            if framework_block_heading in lines:
+                lines.insert(lines.index(framework_block_heading) + 2, f"- PEFT {__version__}")
+            else:
+                lines.append(f"{framework_block_heading}\n\n- PEFT {__version__}")
+
+        card.text = "\n".join(lines)
+        card.save(filename)
+
+
+class PeftModelForSequenceClassification(PeftModel):
+    """
+    Peft model for sequence classification tasks.
+
+    Args:
+        model ([`~transformers.PreTrainedModel`]): Base transformer model.
+        peft_config ([`PeftConfig`]): Peft config.
+
+    **Attributes**:
+        - **config** ([`~transformers.PretrainedConfig`]) -- The configuration object of the base model.
+        - **cls_layer_name** (`str`) -- The name of the classification layer.
+
+    Example:
+
+        ```py
+        >>> from transformers import AutoModelForSequenceClassification
+        >>> from peft import PeftModelForSequenceClassification, get_peft_config
+
+        >>> config = {
+        ...     "peft_type": "PREFIX_TUNING",
+        ...     "task_type": "SEQ_CLS",
+        ...     "inference_mode": False,
+        ...     "num_virtual_tokens": 20,
+        ...     "token_dim": 768,
+        ...     "num_transformer_submodules": 1,
+        ...     "num_attention_heads": 12,
+        ...     "num_layers": 12,
+        ...     "encoder_hidden_size": 768,
+        ...     "prefix_projection": False,
+        ...     "postprocess_past_key_value_function": None,
+        ... }
+
+        >>> peft_config = get_peft_config(config)
+        >>> model = AutoModelForSequenceClassification.from_pretrained("bert-base-cased")
+        >>> peft_model = PeftModelForSequenceClassification(model, peft_config)
+        >>> peft_model.print_trainable_parameters()
+        trainable params: 370178 || all params: 108680450 || trainable%: 0.3406113979101117
+        ```
+    """
+
+    def __init__(self, model: torch.nn.Module, peft_config: PeftConfig, adapter_name: str = "default") -> None:
+        super().__init__(model, peft_config, adapter_name)
+        if self.modules_to_save is None:
+            self.modules_to_save = {"classifier", "score"}
+        else:
+            self.modules_to_save.update({"classifier", "score"})
+
+        for name, _ in self.base_model.named_children():
+            if any(module_name in name for module_name in self.modules_to_save):
+                self.cls_layer_name = name
+                break
+
+        # to make sure classifier layer is trainable
+        _set_trainable(self, adapter_name)
+
+    def forward(
+        self,
+        input_ids=None,
+        attention_mask=None,
+        inputs_embeds=None,
+        labels=None,
+        output_attentions=None,
+        output_hidden_states=None,
+        return_dict=None,
+        task_ids=None,
+        **kwargs,
+    ):
+        return_dict = return_dict if return_dict is not None else self.config.use_return_dict
+        peft_config = self.active_peft_config
+        if not peft_config.is_prompt_learning:
+            with self._enable_peft_forward_hooks(**kwargs):
+                kwargs = {k: v for k, v in kwargs.items() if k not in self.special_peft_forward_args}
+                if peft_config.peft_type == PeftType.POLY:
+                    kwargs["task_ids"] = task_ids
+                return self.base_model(
+                    input_ids=input_ids,
+                    attention_mask=attention_mask,
+                    inputs_embeds=inputs_embeds,
+                    labels=labels,
+                    output_attentions=output_attentions,
+                    output_hidden_states=output_hidden_states,
+                    return_dict=return_dict,
+                    **kwargs,
+                )
+
+        batch_size = _get_batch_size(input_ids, inputs_embeds)
+        if attention_mask is not None:
+            # concat prompt attention mask
+            prefix_attention_mask = torch.ones(batch_size, peft_config.num_virtual_tokens).to(attention_mask.device)
+            attention_mask = torch.cat((prefix_attention_mask, attention_mask), dim=1)
+        if kwargs.get("position_ids", None) is not None:
+            warnings.warn("Position ids are not supported for parameter efficient tuning. Ignoring position ids.")
+            kwargs["position_ids"] = None
+        kwargs.update(
+            {
+                "attention_mask": attention_mask,
+                "labels": labels,
+                "output_attentions": output_attentions,
+                "output_hidden_states": output_hidden_states,
+                "return_dict": return_dict,
+            }
+        )
+
+        if peft_config.peft_type == PeftType.PREFIX_TUNING:
+            return self._prefix_tuning_forward(input_ids=input_ids, **kwargs)
+        else:
+            if kwargs.get("token_type_ids", None) is not None:
+                kwargs["token_type_ids"] = torch.cat(
+                    (
+                        torch.zeros(batch_size, peft_config.num_virtual_tokens).to(self.word_embeddings.weight.device),
+                        kwargs["token_type_ids"],
+                    ),
+                    dim=1,
+                ).long()
+            if inputs_embeds is None:
+                inputs_embeds = self.word_embeddings(input_ids)
+            prompts = self.get_prompt(batch_size=batch_size, task_ids=task_ids)
+            prompts = prompts.to(inputs_embeds.dtype)
+            inputs_embeds = torch.cat((prompts, inputs_embeds), dim=1)
+            return self.base_model(inputs_embeds=inputs_embeds, **kwargs)
+
+    def _prefix_tuning_forward(
+        self,
+        input_ids=None,
+        attention_mask=None,
+        inputs_embeds=None,
+        labels=None,
+        output_attentions=None,
+        output_hidden_states=None,
+        return_dict=None,
+        **kwargs,
+    ):
+        batch_size = _get_batch_size(input_ids, inputs_embeds)
+        past_key_values = self.get_prompt(batch_size)
+        fwd_params = list(inspect.signature(self.base_model.forward).parameters.keys())
+        kwargs.update(
+            {
+                "input_ids": input_ids,
+                "attention_mask": attention_mask,
+                "inputs_embeds": inputs_embeds,
+                "output_attentions": output_attentions,
+                "output_hidden_states": output_hidden_states,
+                "return_dict": return_dict,
+                "past_key_values": past_key_values,
+            }
+        )
+        if "past_key_values" in fwd_params:
+            return self.base_model(labels=labels, **kwargs)
+        else:
+            transformer_backbone_name = self.base_model.get_submodule(self.transformer_backbone_name)
+            fwd_params = list(inspect.signature(transformer_backbone_name.forward).parameters.keys())
+            if "past_key_values" not in fwd_params:
+                raise ValueError("Model does not support past key values which are required for prefix tuning.")
+            outputs = transformer_backbone_name(**kwargs)
+            pooled_output = outputs[1] if len(outputs) > 1 else outputs[0]
+            if "dropout" in [name for name, _ in list(self.base_model.named_children())]:
+                pooled_output = self.base_model.dropout(pooled_output)
+            logits = self.base_model.get_submodule(self.cls_layer_name)(pooled_output)
+
+            loss = None
+            if labels is not None:
+                if self.config.problem_type is None:
+                    if self.base_model.num_labels == 1:
+                        self.config.problem_type = "regression"
+                    elif self.base_model.num_labels > 1 and (labels.dtype == torch.long or labels.dtype == torch.int):
+                        self.config.problem_type = "single_label_classification"
+                    else:
+                        self.config.problem_type = "multi_label_classification"
+
+                if self.config.problem_type == "regression":
+                    loss_fct = MSELoss()
+                    if self.base_model.num_labels == 1:
+                        loss = loss_fct(logits.squeeze(), labels.squeeze())
+                    else:
+                        loss = loss_fct(logits, labels)
+                elif self.config.problem_type == "single_label_classification":
+                    loss_fct = CrossEntropyLoss()
+                    loss = loss_fct(logits.view(-1, self.base_model.num_labels), labels.view(-1))
+                elif self.config.problem_type == "multi_label_classification":
+                    loss_fct = BCEWithLogitsLoss()
+                    loss = loss_fct(logits, labels)
+            if not return_dict:
+                output = (logits,) + outputs[2:]
+                return ((loss,) + output) if loss is not None else output
+
+            return SequenceClassifierOutput(
+                loss=loss,
+                logits=logits,
+                hidden_states=outputs.hidden_states,
+                attentions=outputs.attentions,
+            )
+
+
+class PeftModelForCausalLM(PeftModel):
+    """
+    Peft model for causal language modeling.
+
+    Args:
+        model ([`~transformers.PreTrainedModel`]): Base transformer model.
+        peft_config ([`PeftConfig`]): Peft config.
+
+
+    Example:
+
+        ```py
+        >>> from transformers import AutoModelForCausalLM
+        >>> from peft import PeftModelForCausalLM, get_peft_config
+
+        >>> config = {
+        ...     "peft_type": "PREFIX_TUNING",
+        ...     "task_type": "CAUSAL_LM",
+        ...     "inference_mode": False,
+        ...     "num_virtual_tokens": 20,
+        ...     "token_dim": 1280,
+        ...     "num_transformer_submodules": 1,
+        ...     "num_attention_heads": 20,
+        ...     "num_layers": 36,
+        ...     "encoder_hidden_size": 1280,
+        ...     "prefix_projection": False,
+        ...     "postprocess_past_key_value_function": None,
+        ... }
+
+        >>> peft_config = get_peft_config(config)
+        >>> model = AutoModelForCausalLM.from_pretrained("gpt2-large")
+        >>> peft_model = PeftModelForCausalLM(model, peft_config)
+        >>> peft_model.print_trainable_parameters()
+        trainable params: 1843200 || all params: 775873280 || trainable%: 0.23756456724479544
+        ```
+    """
+
+    def __init__(self, model: torch.nn.Module, peft_config: PeftConfig, adapter_name: str = "default") -> None:
+        super().__init__(model, peft_config, adapter_name)
+        self.base_model_prepare_inputs_for_generation = self.base_model.prepare_inputs_for_generation
+
+    def forward(
+        self,
+        input_ids=None,
+        attention_mask=None,
+        inputs_embeds=None,
+        labels=None,
+        output_attentions=None,
+        output_hidden_states=None,
+        return_dict=None,
+        task_ids=None,
+        **kwargs,
+    ):
+        peft_config = self.active_peft_config
+        if not peft_config.is_prompt_learning:
+            if self.base_model.config.model_type == "mpt":
+                if inputs_embeds is not None:
+                    raise AssertionError("forward in MPTForCausalLM does not support inputs_embeds")
+                return self.base_model(
+                    input_ids=input_ids,
+                    attention_mask=attention_mask,
+                    labels=labels,
+                    output_attentions=output_attentions,
+                    output_hidden_states=output_hidden_states,
+                    return_dict=return_dict,
+                    **kwargs,
+                )
+
+            if peft_config.peft_type == PeftType.POLY:
+                kwargs["task_ids"] = task_ids
+
+            with self._enable_peft_forward_hooks(**kwargs):
+                kwargs = {k: v for k, v in kwargs.items() if k not in self.special_peft_forward_args}
+                return self.base_model(
+                    input_ids=input_ids,
+                    attention_mask=attention_mask,
+                    inputs_embeds=inputs_embeds,
+                    labels=labels,
+                    output_attentions=output_attentions,
+                    output_hidden_states=output_hidden_states,
+                    return_dict=return_dict,
+                    **kwargs,
+                )
+
+        batch_size = _get_batch_size(input_ids, inputs_embeds)
+        if attention_mask is not None:
+            # concat prompt attention mask
+            prefix_attention_mask = torch.ones(batch_size, peft_config.num_virtual_tokens).to(attention_mask.device)
+            attention_mask = torch.cat((prefix_attention_mask, attention_mask), dim=1)
+
+        if kwargs.get("position_ids", None) is not None:
+            warnings.warn("Position ids are not supported for parameter efficient tuning. Ignoring position ids.")
+            kwargs["position_ids"] = None
+        if kwargs.get("token_type_ids", None) is not None:
+            warnings.warn("Token type ids are not supported for parameter efficient tuning. Ignoring token type ids")
+            kwargs["token_type_ids"] = None
+        kwargs.update(
+            {
+                "attention_mask": attention_mask,
+                "labels": labels,
+                "output_attentions": output_attentions,
+                "output_hidden_states": output_hidden_states,
+                "return_dict": return_dict,
+            }
+        )
+
+        if peft_config.peft_type == PeftType.PREFIX_TUNING:
+            past_key_values = self.get_prompt(batch_size)
+            return self.base_model(
+                input_ids=input_ids, inputs_embeds=inputs_embeds, past_key_values=past_key_values, **kwargs
+            )
+        else:
+            if inputs_embeds is None:
+                inputs_embeds = self.word_embeddings(input_ids)
+            # concat prompt labels
+            if labels is not None:
+                prefix_labels = torch.full((batch_size, peft_config.num_virtual_tokens), -100).to(labels.device)
+                kwargs["labels"] = torch.cat((prefix_labels, labels), dim=1)
+            prompts = self.get_prompt(batch_size=batch_size, task_ids=task_ids)
+            prompts = prompts.to(inputs_embeds.dtype)
+            inputs_embeds = torch.cat((prompts, inputs_embeds), dim=1)
+            return self.base_model(inputs_embeds=inputs_embeds, **kwargs)
+
+    def generate(self, *args, **kwargs):
+        peft_config = self.active_peft_config
+        self.base_model.prepare_inputs_for_generation = self.prepare_inputs_for_generation
+        if hasattr(self.base_model, "model"):
+            self.base_model.model.generation_config = self.generation_config
+        else:
+            self.base_model.generation_config = self.generation_config
+        try:
+            if not peft_config.is_prompt_learning:
+                with self._enable_peft_forward_hooks(*args, **kwargs):
+                    kwargs = {k: v for k, v in kwargs.items() if k not in self.special_peft_forward_args}
+                    outputs = self.base_model.generate(*args, **kwargs)
+            else:
+                outputs = self.base_model.generate(**kwargs)
+        except:
+            self.base_model.prepare_inputs_for_generation = self.base_model_prepare_inputs_for_generation
+            raise
+        else:
+            self.base_model.prepare_inputs_for_generation = self.base_model_prepare_inputs_for_generation
+            return outputs
+
+    def prepare_inputs_for_generation(self, *args, task_ids: Optional[torch.Tensor] = None, **kwargs):
+        peft_config = self.active_peft_config
+        model_kwargs = self.base_model_prepare_inputs_for_generation(*args, **kwargs)
+
+        # https://github.com/huggingface/transformers/pull/26681/ introduced new cache format
+        # for some architectures which requires a special fix for prompt tuning etc.
+        # TODO: starting with transformers 4.38, all architectures should support caching.
+        uses_transformers_4_38 = packaging.version.parse(transformers.__version__) >= packaging.version.parse("4.38.0")
+        uses_transformers_4_36 = packaging.version.parse(transformers.__version__) >= packaging.version.parse("4.36.0")
+        transformers_new_cache_archs = ["llama", "mistral", "persimmon", "phi"]
+        uses_cache = uses_transformers_4_38 or (
+            uses_transformers_4_36 and self.base_model.config.model_type in transformers_new_cache_archs
+        )
+
+        if peft_config.peft_type == PeftType.POLY:
+            model_kwargs["task_ids"] = task_ids
+        if peft_config.is_prompt_learning:
+            if uses_cache and (model_kwargs["past_key_values"] is not None):
+                # change in the logic of `prepare_inputs_for_generation` makes the below code necessary
+                # In prompt learning methods, past key values are longer when compared to the `input_ids`.
+                # As such only consider the last input ids in the autogressive generation phase.
+                if model_kwargs["past_key_values"][0][0].shape[-2] >= model_kwargs["input_ids"].shape[1]:
+                    model_kwargs["input_ids"] = model_kwargs["input_ids"][:, -1:]
+
+            if model_kwargs.get("attention_mask", None) is not None:
+                size = model_kwargs["input_ids"].shape[0], peft_config.num_virtual_tokens
+                prefix_attention_mask = torch.ones(size).to(model_kwargs["input_ids"].device)
+                model_kwargs["attention_mask"] = torch.cat(
+                    (prefix_attention_mask, model_kwargs["attention_mask"]), dim=1
+                )
+
+            if model_kwargs.get("position_ids", None) is not None:
+                warnings.warn("Position ids are not supported for parameter efficient tuning. Ignoring position ids.")
+                model_kwargs["position_ids"] = None
+
+            if kwargs.get("token_type_ids", None) is not None:
+                warnings.warn(
+                    "Token type ids are not supported for parameter efficient tuning. Ignoring token type ids"
+                )
+                kwargs["token_type_ids"] = None
+
+            if model_kwargs["past_key_values"] is None and peft_config.peft_type == PeftType.PREFIX_TUNING:
+                past_key_values = self.get_prompt(batch_size=model_kwargs["input_ids"].shape[0])
+                model_kwargs["past_key_values"] = past_key_values
+            else:
+                if model_kwargs["past_key_values"] is None:
+                    inputs_embeds = self.word_embeddings(model_kwargs["input_ids"])
+                    prompts = self.get_prompt(batch_size=model_kwargs["input_ids"].shape[0], task_ids=task_ids)
+                    prompts = prompts.to(inputs_embeds.dtype)
+                    model_kwargs["inputs_embeds"] = torch.cat((prompts, inputs_embeds), dim=1)
+                    model_kwargs["input_ids"] = None
+
+        # For transformers>=4.38.0 - for some architectures such as Llama, `cache_position` is
+        # passed in the forward pass to keep track of the position ids of the cache. We have to
+        # pop that from `model_kwargs` as `cache_position` is properly created by the model, using the passed
+        # `inputs_embeds`: https://github.com/huggingface/transformers/blob/593230f0a1150ea9c0477b9d859f25daf73c8c33/src/transformers/models/llama/modeling_llama.py#L956
+        _ = model_kwargs.pop("cache_position", None)
+
+        return model_kwargs
+
+
+class PeftModelForSeq2SeqLM(PeftModel):
+    """
+    Peft model for sequence-to-sequence language modeling.
+
+    Args:
+        model ([`~transformers.PreTrainedModel`]): Base transformer model.
+        peft_config ([`PeftConfig`]): Peft config.
+
+
+    Example:
+
+        ```py
+        >>> from transformers import AutoModelForSeq2SeqLM
+        >>> from peft import PeftModelForSeq2SeqLM, get_peft_config
+
+        >>> config = {
+        ...     "peft_type": "LORA",
+        ...     "task_type": "SEQ_2_SEQ_LM",
+        ...     "inference_mode": False,
+        ...     "r": 8,
+        ...     "target_modules": ["q", "v"],
+        ...     "lora_alpha": 32,
+        ...     "lora_dropout": 0.1,
+        ...     "fan_in_fan_out": False,
+        ...     "enable_lora": None,
+        ...     "bias": "none",
+        ... }
+
+        >>> peft_config = get_peft_config(config)
+        >>> model = AutoModelForSeq2SeqLM.from_pretrained("t5-base")
+        >>> peft_model = PeftModelForSeq2SeqLM(model, peft_config)
+        >>> peft_model.print_trainable_parameters()
+        trainable params: 884736 || all params: 223843584 || trainable%: 0.3952474242013566
+        ```
+    """
+
+    def __init__(self, model: torch.nn.Module, peft_config: PeftConfig, adapter_name: str = "default") -> None:
+        super().__init__(model, peft_config, adapter_name)
+        self.base_model_prepare_inputs_for_generation = self.base_model.prepare_inputs_for_generation
+        self.base_model_prepare_encoder_decoder_kwargs_for_generation = (
+            self.base_model._prepare_encoder_decoder_kwargs_for_generation
+        )
+
+    def forward(
+        self,
+        input_ids=None,
+        attention_mask=None,
+        inputs_embeds=None,
+        decoder_input_ids=None,
+        decoder_attention_mask=None,
+        decoder_inputs_embeds=None,
+        labels=None,
+        output_attentions=None,
+        output_hidden_states=None,
+        return_dict=None,
+        task_ids=None,
+        **kwargs,
+    ):
+        peft_config = self.active_peft_config
+        if not peft_config.is_prompt_learning:
+            if peft_config.peft_type == PeftType.POLY:
+                kwargs["task_ids"] = task_ids
+
+            with self._enable_peft_forward_hooks(**kwargs):
+                kwargs = {k: v for k, v in kwargs.items() if k not in self.special_peft_forward_args}
+                return self.base_model(
+                    input_ids=input_ids,
+                    attention_mask=attention_mask,
+                    inputs_embeds=inputs_embeds,
+                    decoder_input_ids=decoder_input_ids,
+                    decoder_attention_mask=decoder_attention_mask,
+                    decoder_inputs_embeds=decoder_inputs_embeds,
+                    labels=labels,
+                    output_attentions=output_attentions,
+                    output_hidden_states=output_hidden_states,
+                    return_dict=return_dict,
+                    **kwargs,
+                )
+
+        batch_size = _get_batch_size(input_ids, inputs_embeds)
+        if decoder_attention_mask is not None:
+            # concat prompt attention mask
+            prefix_attention_mask = torch.ones(batch_size, peft_config.num_virtual_tokens).to(
+                decoder_attention_mask.device
+            )
+            if peft_config.peft_type not in [PeftType.PROMPT_TUNING, PeftType.P_TUNING]:
+                decoder_attention_mask = torch.cat((prefix_attention_mask, decoder_attention_mask), dim=1)
+
+        if kwargs.get("position_ids", None) is not None:
+            warnings.warn("Position ids are not supported for parameter efficient tuning. Ignoring position ids.")
+            kwargs["position_ids"] = None
+        if kwargs.get("token_type_ids", None) is not None:
+            warnings.warn("Token type ids are not supported for parameter efficient tuning. Ignoring token type ids")
+            kwargs["token_type_ids"] = None
+        kwargs.update(
+            {
+                "attention_mask": attention_mask,
+                "decoder_attention_mask": decoder_attention_mask,
+                "labels": labels,
+                "output_attentions": output_attentions,
+                "output_hidden_states": output_hidden_states,
+                "return_dict": return_dict,
+            }
+        )
+
+        if peft_config.peft_type == PeftType.PREFIX_TUNING:
+            past_key_values = self.get_prompt(batch_size)
+            return self.base_model(
+                input_ids=input_ids,
+                decoder_input_ids=decoder_input_ids,
+                decoder_inputs_embeds=decoder_inputs_embeds,
+                past_key_values=past_key_values,
+                **kwargs,
+            )
+        elif peft_config.peft_type in [PeftType.PROMPT_TUNING, PeftType.P_TUNING]:
+            if inputs_embeds is None:
+                inputs_embeds = self.word_embeddings(input_ids)
+
+            if attention_mask is not None:
+                # concat prompt attention mask
+                prefix_attention_mask = torch.ones(batch_size, peft_config.num_virtual_tokens).to(
+                    attention_mask.device
+                )
+                kwargs["attention_mask"] = torch.cat((prefix_attention_mask, attention_mask), dim=1)
+
+            prompts = self.get_prompt(batch_size=batch_size)
+            prompts = prompts.to(inputs_embeds.dtype)
+            inputs_embeds = torch.cat((prompts[:, : peft_config.num_virtual_tokens], inputs_embeds), dim=1)
+
+            return self.base_model(
+                inputs_embeds=inputs_embeds,
+                decoder_input_ids=decoder_input_ids,
+                decoder_inputs_embeds=decoder_inputs_embeds,
+                **kwargs,
+            )
+        else:
+            if inputs_embeds is None:
+                inputs_embeds = self.word_embeddings(input_ids)
+            if decoder_inputs_embeds is None and decoder_input_ids is None:
+                decoder_input_ids = shift_tokens_right(
+                    labels, self.config.pad_token_id, self.config.decoder_start_token_id
+                )
+                decoder_inputs_embeds = self.word_embeddings(decoder_input_ids)
+
+            if attention_mask is not None:
+                # concat prompt attention mask
+                prefix_attention_mask = torch.ones(batch_size, peft_config.num_virtual_tokens).to(
+                    attention_mask.device
+                )
+                kwargs["attention_mask"] = torch.cat((prefix_attention_mask, attention_mask), dim=1)
+            # concat prompt labels
+            if labels is not None:
+                if peft_config.num_transformer_submodules == 1:
+                    kwargs["labels"] = labels
+                elif peft_config.num_transformer_submodules == 2:
+                    prefix_labels = torch.full((batch_size, peft_config.num_virtual_tokens), -100).to(labels.device)
+                    kwargs["labels"] = torch.cat((prefix_labels, labels), dim=1)
+            prompts = self.get_prompt(batch_size=batch_size, task_ids=task_ids)
+            prompts = prompts.to(inputs_embeds.dtype)
+            inputs_embeds = torch.cat((prompts[:, : peft_config.num_virtual_tokens], inputs_embeds), dim=1)
+            if peft_config.num_transformer_submodules == 1:
+                return self.base_model(inputs_embeds=inputs_embeds, **kwargs)
+            elif peft_config.num_transformer_submodules == 2:
+                decoder_inputs_embeds = torch.cat(
+                    (prompts[:, peft_config.num_virtual_tokens :], decoder_inputs_embeds), dim=1
+                )
+                return self.base_model(
+                    inputs_embeds=inputs_embeds, decoder_inputs_embeds=decoder_inputs_embeds, **kwargs
+                )
+
+    def generate(self, **kwargs):
+        peft_config = self.active_peft_config
+        self.base_model.prepare_inputs_for_generation = self.prepare_inputs_for_generation
+        self.base_model._prepare_encoder_decoder_kwargs_for_generation = (
+            self._prepare_encoder_decoder_kwargs_for_generation
+        )
+        try:
+            if not peft_config.is_prompt_learning:
+                with self._enable_peft_forward_hooks(**kwargs):
+                    kwargs = {k: v for k, v in kwargs.items() if k not in self.special_peft_forward_args}
+                    outputs = self.base_model.generate(**kwargs)
+            else:
+                if "input_ids" not in kwargs:
+                    raise ValueError("input_ids must be provided for Peft model generation")
+                if kwargs.get("position_ids", None) is not None:
+                    warnings.warn(
+                        "Position ids are not supported for parameter efficient tuning. Ignoring position ids."
+                    )
+                    kwargs["position_ids"] = None
+                if kwargs.get("token_type_ids", None) is not None:
+                    warnings.warn(
+                        "Token type ids are not supported for parameter efficient tuning. Ignoring token type ids"
+                    )
+                    kwargs["token_type_ids"] = None
+
+                if peft_config.peft_type == PeftType.PREFIX_TUNING:
+                    outputs = self.base_model.generate(**kwargs)
+                elif peft_config.peft_type in [
+                    PeftType.PROMPT_TUNING,
+                    PeftType.P_TUNING,
+                    PeftType.MULTITASK_PROMPT_TUNING,
+                ]:
+                    kwargs = deepcopy(kwargs)
+
+                    if "encoder_outputs" in kwargs:
+                        del kwargs["encoder_outputs"]
+                        warnings.warn(
+                            "`encoder_outputs` should not be passed to `generate` when using prompt tuning. Ignoring it."
+                        )
+
+                    input_ids = kwargs.pop("input_ids")
+                    inputs_embeds = self.word_embeddings(input_ids)
+                    batch_size = inputs_embeds.shape[0]
+                    prompts = self.get_prompt(batch_size=batch_size, task_ids=kwargs.pop("task_ids", None))
+                    prompts = prompts.to(inputs_embeds.dtype)
+
+                    inputs_embeds = torch.cat((prompts[:, : peft_config.num_virtual_tokens], inputs_embeds), dim=1)
+                    kwargs["inputs_embeds"] = inputs_embeds
+
+                    if "attention_mask" in kwargs:
+                        prefix_attention_mask = torch.ones(batch_size, peft_config.num_virtual_tokens).to(
+                            kwargs["attention_mask"].device
+                        )
+                        kwargs["attention_mask"] = torch.cat((prefix_attention_mask, kwargs["attention_mask"]), dim=1)
+
+                    return self.base_model.generate(**kwargs)
+                else:
+                    raise NotImplementedError
+        except:
+            self.base_model.prepare_inputs_for_generation = self.base_model_prepare_inputs_for_generation
+            self.base_model._prepare_encoder_decoder_kwargs_for_generation = (
+                self.base_model_prepare_encoder_decoder_kwargs_for_generation
+            )
+            raise
+        else:
+            self.base_model.prepare_inputs_for_generation = self.base_model_prepare_inputs_for_generation
+            self.base_model._prepare_encoder_decoder_kwargs_for_generation = (
+                self.base_model_prepare_encoder_decoder_kwargs_for_generation
+            )
+            return outputs
+
+    def prepare_inputs_for_generation(self, *args, task_ids: torch.Tensor = None, **kwargs):
+        peft_config = self.active_peft_config
+        model_kwargs = self.base_model_prepare_inputs_for_generation(*args, **kwargs)
+        if peft_config.peft_type == PeftType.POLY:
+            model_kwargs["task_ids"] = task_ids
+        if model_kwargs["past_key_values"] is None and peft_config.peft_type == PeftType.PREFIX_TUNING:
+            batch_size = model_kwargs["decoder_input_ids"].shape[0]
+            past_key_values = self.get_prompt(batch_size)
+            model_kwargs["past_key_values"] = past_key_values
+
+        return model_kwargs
+
+
+class PeftModelForTokenClassification(PeftModel):
+    """
+    Peft model for token classification tasks.
+
+    Args:
+        model ([`~transformers.PreTrainedModel`]): Base transformer model.
+        peft_config ([`PeftConfig`]): Peft config.
+
+    **Attributes**:
+        - **config** ([`~transformers.PretrainedConfig`]) -- The configuration object of the base model.
+        - **cls_layer_name** (`str`) -- The name of the classification layer.
+
+    Example:
+
+        ```py
+        >>> from transformers import AutoModelForSequenceClassification
+        >>> from peft import PeftModelForTokenClassification, get_peft_config
+
+        >>> config = {
+        ...     "peft_type": "PREFIX_TUNING",
+        ...     "task_type": "TOKEN_CLS",
+        ...     "inference_mode": False,
+        ...     "num_virtual_tokens": 20,
+        ...     "token_dim": 768,
+        ...     "num_transformer_submodules": 1,
+        ...     "num_attention_heads": 12,
+        ...     "num_layers": 12,
+        ...     "encoder_hidden_size": 768,
+        ...     "prefix_projection": False,
+        ...     "postprocess_past_key_value_function": None,
+        ... }
+
+        >>> peft_config = get_peft_config(config)
+        >>> model = AutoModelForTokenClassification.from_pretrained("bert-base-cased")
+        >>> peft_model = PeftModelForTokenClassification(model, peft_config)
+        >>> peft_model.print_trainable_parameters()
+        trainable params: 370178 || all params: 108680450 || trainable%: 0.3406113979101117
+        ```
+    """
+
+    def __init__(self, model: torch.nn.Module, peft_config: PeftConfig = None, adapter_name: str = "default") -> None:
+        super().__init__(model, peft_config, adapter_name)
+        if self.modules_to_save is None:
+            self.modules_to_save = {"classifier", "score"}
+        else:
+            self.modules_to_save.update({"classifier", "score"})
+
+        for name, _ in self.base_model.named_children():
+            if any(module_name in name for module_name in self.modules_to_save):
+                self.cls_layer_name = name
+                break
+
+        # to make sure classifier layer is trainable
+        _set_trainable(self, adapter_name)
+
+    def forward(
+        self,
+        input_ids=None,
+        attention_mask=None,
+        inputs_embeds=None,
+        labels=None,
+        output_attentions=None,
+        output_hidden_states=None,
+        return_dict=None,
+        task_ids=None,
+        **kwargs,
+    ):
+        peft_config = self.active_peft_config
+        return_dict = return_dict if return_dict is not None else self.config.use_return_dict
+
+        if not peft_config.is_prompt_learning:
+            with self._enable_peft_forward_hooks(**kwargs):
+                kwargs = {k: v for k, v in kwargs.items() if k not in self.special_peft_forward_args}
+                if peft_config.peft_type == PeftType.POLY:
+                    kwargs["task_ids"] = task_ids
+                return self.base_model(
+                    input_ids=input_ids,
+                    attention_mask=attention_mask,
+                    inputs_embeds=inputs_embeds,
+                    labels=labels,
+                    output_attentions=output_attentions,
+                    output_hidden_states=output_hidden_states,
+                    return_dict=return_dict,
+                    **kwargs,
+                )
+
+        batch_size = _get_batch_size(input_ids, inputs_embeds)
+        if attention_mask is not None:
+            # concat prompt attention mask
+            prefix_attention_mask = torch.ones(batch_size, peft_config.num_virtual_tokens).to(attention_mask.device)
+            attention_mask = torch.cat((prefix_attention_mask, attention_mask), dim=1)
+        if kwargs.get("position_ids", None) is not None:
+            warnings.warn("Position ids are not supported for parameter efficient tuning. Ignoring position ids.")
+            kwargs["position_ids"] = None
+        kwargs.update(
+            {
+                "attention_mask": attention_mask,
+                "labels": labels,
+                "output_attentions": output_attentions,
+                "output_hidden_states": output_hidden_states,
+                "return_dict": return_dict,
+            }
+        )
+
+        if peft_config.peft_type == PeftType.PREFIX_TUNING:
+            return self._prefix_tuning_forward(input_ids=input_ids, **kwargs)
+        else:
+            if kwargs.get("token_type_ids", None) is not None:
+                kwargs["token_type_ids"] = torch.cat(
+                    (
+                        torch.zeros(batch_size, peft_config.num_virtual_tokens).to(self.word_embeddings.weight.device),
+                        kwargs["token_type_ids"],
+                    ),
+                    dim=1,
+                ).long()
+            if inputs_embeds is None:
+                inputs_embeds = self.word_embeddings(input_ids)
+            prompts = self.get_prompt(batch_size=batch_size, task_ids=task_ids)
+            prompts = prompts.to(inputs_embeds.dtype)
+            inputs_embeds = torch.cat((prompts, inputs_embeds), dim=1)
+            return self.base_model(inputs_embeds=inputs_embeds, **kwargs)
+
+    def _prefix_tuning_forward(
+        self,
+        input_ids=None,
+        attention_mask=None,
+        inputs_embeds=None,
+        labels=None,
+        output_attentions=None,
+        output_hidden_states=None,
+        return_dict=None,
+        **kwargs,
+    ):
+        batch_size = _get_batch_size(input_ids, inputs_embeds)
+        past_key_values = self.get_prompt(batch_size)
+        fwd_params = list(inspect.signature(self.base_model.forward).parameters.keys())
+        kwargs.update(
+            {
+                "input_ids": input_ids,
+                "attention_mask": attention_mask,
+                "inputs_embeds": inputs_embeds,
+                "output_attentions": output_attentions,
+                "output_hidden_states": output_hidden_states,
+                "return_dict": return_dict,
+                "past_key_values": past_key_values,
+            }
+        )
+        if "past_key_values" in fwd_params:
+            return self.base_model(labels=labels, **kwargs)
+        else:
+            transformer_backbone_name = self.base_model.get_submodule(self.transformer_backbone_name)
+            fwd_params = list(inspect.signature(transformer_backbone_name.forward).parameters.keys())
+            if "past_key_values" not in fwd_params:
+                raise ValueError("Model does not support past key values which are required for prefix tuning.")
+            outputs = transformer_backbone_name(**kwargs)
+            sequence_output = outputs[0]
+            if "dropout" in [name for name, _ in list(self.base_model.named_children())]:
+                sequence_output = self.base_model.dropout(sequence_output)
+            logits = self.base_model.get_submodule(self.cls_layer_name)(sequence_output)
+
+            loss = None
+            if labels is not None:
+                loss_fct = CrossEntropyLoss()
+                loss = loss_fct(logits.view(-1, self.num_labels), labels.view(-1))
+
+            if not return_dict:
+                output = (logits,) + outputs[2:]
+                return ((loss,) + output) if loss is not None else output
+
+            return TokenClassifierOutput(
+                loss=loss,
+                logits=logits,
+                hidden_states=outputs.hidden_states,
+                attentions=outputs.attentions,
+            )
+
+
+class PeftModelForQuestionAnswering(PeftModel):
+    """
+    Peft model for extractive question answering.
+
+    Args:
+        model ([`~transformers.PreTrainedModel`]): Base transformer model.
+        peft_config ([`PeftConfig`]): Peft config.
+
+    **Attributes**:
+        - **config** ([`~transformers.PretrainedConfig`]) -- The configuration object of the base model.
+        - **cls_layer_name** (`str`) -- The name of the classification layer.
+
+    Example:
+
+        ```py
+        >>> from transformers import AutoModelForQuestionAnswering
+        >>> from peft import PeftModelForQuestionAnswering, get_peft_config
+
+        >>> config = {
+        ...     "peft_type": "LORA",
+        ...     "task_type": "QUESTION_ANS",
+        ...     "inference_mode": False,
+        ...     "r": 16,
+        ...     "target_modules": ["query", "value"],
+        ...     "lora_alpha": 32,
+        ...     "lora_dropout": 0.05,
+        ...     "fan_in_fan_out": False,
+        ...     "bias": "none",
+        ... }
+
+        >>> peft_config = get_peft_config(config)
+        >>> model = AutoModelForQuestionAnswering.from_pretrained("bert-base-cased")
+        >>> peft_model = PeftModelForQuestionAnswering(model, peft_config)
+        >>> peft_model.print_trainable_parameters()
+        trainable params: 592900 || all params: 108312580 || trainable%: 0.5473971721475013
+        ```
+    """
+
+    def __init__(self, model: torch.nn.Module, peft_config: PeftConfig, adapter_name: str = "default") -> None:
+        super().__init__(model, peft_config, adapter_name)
+        if self.modules_to_save is None:
+            self.modules_to_save = {"qa_outputs"}
+        else:
+            self.modules_to_save.update({"qa_outputs"})
+
+        for name, _ in self.base_model.named_children():
+            if any(module_name in name for module_name in self.modules_to_save):
+                self.cls_layer_name = name
+                break
+
+        # to make sure classifier layer is trainable
+        _set_trainable(self, adapter_name)
+
+    def forward(
+        self,
+        input_ids=None,
+        attention_mask=None,
+        token_type_ids=None,
+        position_ids=None,
+        inputs_embeds=None,
+        start_positions=None,
+        end_positions=None,
+        output_attentions=None,
+        output_hidden_states=None,
+        return_dict=None,
+        task_ids=None,
+        **kwargs,
+    ):
+        peft_config = self.active_peft_config
+        return_dict = return_dict if return_dict is not None else self.config.use_return_dict
+
+        if not peft_config.is_prompt_learning:
+            if peft_config.peft_type == PeftType.POLY:
+                kwargs["task_ids"] = task_ids
+
+            with self._enable_peft_forward_hooks(**kwargs):
+                kwargs = {k: v for k, v in kwargs.items() if k not in self.special_peft_forward_args}
+                return self.base_model(
+                    input_ids=input_ids,
+                    attention_mask=attention_mask,
+                    inputs_embeds=inputs_embeds,
+                    start_positions=start_positions,
+                    end_positions=end_positions,
+                    output_attentions=output_attentions,
+                    output_hidden_states=output_hidden_states,
+                    return_dict=return_dict,
+                    **kwargs,
+                )
+
+        batch_size = _get_batch_size(input_ids, inputs_embeds)
+        if attention_mask is not None:
+            # concat prompt attention mask
+            prefix_attention_mask = torch.ones(batch_size, peft_config.num_virtual_tokens).to(attention_mask.device)
+            attention_mask = torch.cat((prefix_attention_mask, attention_mask), dim=1)
+        if kwargs.get("position_ids", None) is not None:
+            warnings.warn("Position ids are not supported for parameter efficient tuning. Ignoring position ids.")
+            kwargs["position_ids"] = None
+        kwargs.update(
+            {
+                "attention_mask": attention_mask,
+                "start_positions": start_positions,
+                "end_positions": end_positions,
+                "output_attentions": output_attentions,
+                "output_hidden_states": output_hidden_states,
+                "return_dict": return_dict,
+            }
+        )
+
+        if peft_config.peft_type == PeftType.PREFIX_TUNING:
+            return self._prefix_tuning_forward(input_ids=input_ids, **kwargs)
+        else:
+            if kwargs.get("token_type_ids", None) is not None:
+                kwargs["token_type_ids"] = torch.cat(
+                    (
+                        torch.zeros(batch_size, peft_config.num_virtual_tokens).to(self.word_embeddings.weight.device),
+                        kwargs["token_type_ids"],
+                    ),
+                    dim=1,
+                ).long()
+            if inputs_embeds is None:
+                inputs_embeds = self.word_embeddings(input_ids)
+            prompts = self.get_prompt(batch_size=batch_size)
+            prompts = prompts.to(inputs_embeds.dtype)
+            inputs_embeds = torch.cat((prompts, inputs_embeds), dim=1)
+            return self.base_model(inputs_embeds=inputs_embeds, **kwargs)
+
+    def _prefix_tuning_forward(
+        self,
+        input_ids=None,
+        attention_mask=None,
+        inputs_embeds=None,
+        start_positions=None,
+        end_positions=None,
+        output_attentions=None,
+        output_hidden_states=None,
+        return_dict=None,
+        **kwargs,
+    ):
+        batch_size = _get_batch_size(input_ids, inputs_embeds)
+        past_key_values = self.get_prompt(batch_size)
+        fwd_params = list(inspect.signature(self.base_model.forward).parameters.keys())
+        kwargs.update(
+            {
+                "input_ids": input_ids,
+                "attention_mask": attention_mask,
+                "inputs_embeds": inputs_embeds,
+                "output_attentions": output_attentions,
+                "output_hidden_states": output_hidden_states,
+                "return_dict": return_dict,
+                "past_key_values": past_key_values,
+            }
+        )
+        if "past_key_values" in fwd_params:
+            return self.base_model(start_positions=start_positions, end_positions=end_positions, **kwargs)
+        else:
+            transformer_backbone_name = self.base_model.get_submodule(self.transformer_backbone_name)
+            fwd_params = list(inspect.signature(transformer_backbone_name.forward).parameters.keys())
+            if "past_key_values" not in fwd_params:
+                raise ValueError("Model does not support past key values which are required for prefix tuning.")
+            outputs = transformer_backbone_name(**kwargs)
+            sequence_output = outputs[0]
+            if "dropout" in [name for name, _ in list(self.base_model.named_children())]:
+                sequence_output = self.base_model.dropout(sequence_output)
+            logits = self.base_model.get_submodule(self.cls_layer_name)(sequence_output)
+            start_logits, end_logits = logits.split(1, dim=-1)
+            start_logits = start_logits.squeeze(-1).contiguous()
+            end_logits = end_logits.squeeze(-1).contiguous()
+
+            total_loss = None
+            if start_positions is not None and end_positions is not None:
+                # If we are on multi-GPU, split add a dimension
+                if len(start_positions.size()) > 1:
+                    start_positions = start_positions.squeeze(-1)
+                if len(end_positions.size()) > 1:
+                    end_positions = end_positions.squeeze(-1)
+                # sometimes the start/end positions are outside our model inputs, we ignore these terms
+                ignored_index = start_logits.size(1)
+                start_positions = start_positions.clamp(0, ignored_index)
+                end_positions = end_positions.clamp(0, ignored_index)
+
+                loss_fct = CrossEntropyLoss(ignore_index=ignored_index)
+                start_loss = loss_fct(start_logits, start_positions)
+                end_loss = loss_fct(end_logits, end_positions)
+                total_loss = (start_loss + end_loss) / 2
+
+            if not return_dict:
+                output = (start_logits, end_logits) + outputs[2:]
+                return ((total_loss,) + output) if total_loss is not None else output
+
+            return QuestionAnsweringModelOutput(
+                loss=total_loss,
+                start_logits=start_logits,
+                end_logits=end_logits,
+                hidden_states=outputs.hidden_states,
+                attentions=outputs.attentions,
+            )
+
+
+class PeftModelForFeatureExtraction(PeftModel):
+    """
+    Peft model for extracting features/embeddings from transformer models
+
+    Args:
+        model ([`~transformers.PreTrainedModel`]): Base transformer model.
+        peft_config ([`PeftConfig`]): Peft config.
+
+    **Attributes**:
+        - **config** ([`~transformers.PretrainedConfig`]) -- The configuration object of the base model.
+
+    Example:
+
+        ```py
+        >>> from transformers import AutoModel
+        >>> from peft import PeftModelForFeatureExtraction, get_peft_config
+
+        >>> config = {
+        ...     "peft_type": "LORA",
+        ...     "task_type": "FEATURE_EXTRACTION",
+        ...     "inference_mode": False,
+        ...     "r": 16,
+        ...     "target_modules": ["query", "value"],
+        ...     "lora_alpha": 32,
+        ...     "lora_dropout": 0.05,
+        ...     "fan_in_fan_out": False,
+        ...     "bias": "none",
+        ... }
+        >>> peft_config = get_peft_config(config)
+        >>> model = AutoModel.from_pretrained("bert-base-cased")
+        >>> peft_model = PeftModelForFeatureExtraction(model, peft_config)
+        >>> peft_model.print_trainable_parameters()
+        ```
+    """
+
+    def __init__(self, model: torch.nn.Module, peft_config: PeftConfig, adapter_name: str = "default"):
+        super().__init__(model, peft_config, adapter_name)
+
+    def forward(
+        self,
+        input_ids=None,
+        attention_mask=None,
+        inputs_embeds=None,
+        output_attentions=None,
+        output_hidden_states=None,
+        return_dict=None,
+        task_ids=None,
+        **kwargs,
+    ):
+        peft_config = self.active_peft_config
+        if not peft_config.is_prompt_learning:
+            if peft_config.peft_type == PeftType.POLY:
+                kwargs["task_ids"] = task_ids
+
+            with self._enable_peft_forward_hooks(**kwargs):
+                kwargs = {k: v for k, v in kwargs.items() if k not in self.special_peft_forward_args}
+                return self.base_model(
+                    input_ids=input_ids,
+                    attention_mask=attention_mask,
+                    inputs_embeds=inputs_embeds,
+                    output_attentions=output_attentions,
+                    output_hidden_states=output_hidden_states,
+                    return_dict=return_dict,
+                    **kwargs,
+                )
+
+        batch_size = _get_batch_size(input_ids, inputs_embeds)
+        if attention_mask is not None:
+            # concat prompt attention mask
+            prefix_attention_mask = torch.ones(batch_size, peft_config.num_virtual_tokens).to(attention_mask.device)
+            attention_mask = torch.cat((prefix_attention_mask, attention_mask), dim=1)
+
+        if kwargs.get("position_ids", None) is not None:
+            warnings.warn("Position ids are not supported for parameter efficient tuning. Ignoring position ids.")
+            kwargs["position_ids"] = None
+        if kwargs.get("token_type_ids", None) is not None:
+            warnings.warn("Token type ids are not supported for parameter efficient tuning. Ignoring token type ids")
+            kwargs["token_type_ids"] = None
+        kwargs.update(
+            {
+                "attention_mask": attention_mask,
+                "output_attentions": output_attentions,
+                "output_hidden_states": output_hidden_states,
+                "return_dict": return_dict,
+            }
+        )
+
+        if peft_config.peft_type == PeftType.PREFIX_TUNING:
+            past_key_values = self.get_prompt(batch_size)
+            return self.base_model(input_ids=input_ids, past_key_values=past_key_values, **kwargs)
+        else:
+            if inputs_embeds is None:
+                inputs_embeds = self.word_embeddings(input_ids)
+            prompts = self.get_prompt(batch_size=batch_size)
+            prompts = prompts.to(inputs_embeds.dtype)
+            inputs_embeds = torch.cat((prompts, inputs_embeds), dim=1)
+            return self.base_model(inputs_embeds=inputs_embeds, **kwargs)

env-llmeval/lib/python3.10/site-packages/peft/tuners/__init__.py

@@ -0,0 +1,32 @@
+# flake8: noqa
+# There's no way to ignore "F401 '...' imported but unused" warnings in this
+# module, but to preserve other warnings. So, don't check this module at all
+
+# coding=utf-8
+# Copyright 2023-present the HuggingFace Inc. team.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from .adaption_prompt import AdaptionPromptConfig, AdaptionPromptModel
+from .lora import LoraConfig, LoraModel, LoftQConfig
+from .loha import LoHaConfig, LoHaModel
+from .lokr import LoKrConfig, LoKrModel
+from .ia3 import IA3Config, IA3Model
+from .adalora import AdaLoraConfig, AdaLoraModel
+from .p_tuning import PromptEncoder, PromptEncoderConfig, PromptEncoderReparameterizationType
+from .prefix_tuning import PrefixEncoder, PrefixTuningConfig
+from .prompt_tuning import PromptEmbedding, PromptTuningConfig, PromptTuningInit
+from .multitask_prompt_tuning import MultitaskPromptEmbedding, MultitaskPromptTuningConfig, MultitaskPromptTuningInit
+from .oft import OFTConfig, OFTModel
+from .mixed import MixedModel
+from .poly import PolyConfig, PolyModel

env-llmeval/lib/python3.10/site-packages/peft/tuners/adalora/__init__.py

@@ -0,0 +1,37 @@
+# Copyright 2023-present the HuggingFace Inc. team.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from peft.import_utils import is_bnb_4bit_available, is_bnb_available
+
+from .config import AdaLoraConfig
+from .gptq import SVDQuantLinear
+from .layer import AdaLoraLayer, RankAllocator, SVDLinear
+from .model import AdaLoraModel
+
+
+__all__ = ["AdaLoraConfig", "AdaLoraLayer", "AdaLoraModel", "SVDLinear", "RankAllocator", "SVDQuantLinear"]
+
+
+def __getattr__(name):
+    if (name == "SVDLinear8bitLt") and is_bnb_available():
+        from .bnb import SVDLinear8bitLt
+
+        return SVDLinear8bitLt
+
+    if (name == "SVDLinear4bit") and is_bnb_4bit_available():
+        from .bnb import SVDLinear4bit
+
+        return SVDLinear4bit
+
+    raise AttributeError(f"module {__name__} has no attribute {name}")

env-llmeval/lib/python3.10/site-packages/peft/tuners/adalora/bnb.py

@@ -0,0 +1,145 @@
+# Copyright 2023-present the HuggingFace Inc. team.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from typing import Any
+
+import torch
+
+from peft.import_utils import is_bnb_4bit_available, is_bnb_available
+
+from .layer import AdaLoraLayer
+
+
+if is_bnb_available():
+
+    class SVDLinear8bitLt(torch.nn.Module, AdaLoraLayer):
+        # Low-rank matrix for SVD-based adaptation
+        def __init__(
+            self,
+            base_layer: torch.nn.Module,
+            adapter_name: str,
+            r: int = 0,
+            lora_alpha: int = 1,
+            lora_dropout: float = 0.0,
+            init_lora_weights: bool = True,
+            **kwargs,
+        ) -> None:
+            super().__init__()
+            AdaLoraLayer.__init__(self, base_layer)
+            # Freezing the pre-trained weight matrix
+            self.get_base_layer().weight.requires_grad = False
+
+            self._active_adapter = adapter_name
+            self.update_layer(adapter_name, r, lora_alpha, lora_dropout, init_lora_weights)
+
+        def forward(self, x: torch.Tensor) -> torch.Tensor:
+            # note: no check for self.merged because merging is not supported (yet)
+            result = self.base_layer(x)
+
+            if self.disable_adapters:
+                return result
+
+            for active_adapter in self.active_adapters:
+                if active_adapter not in self.lora_A.keys():
+                    continue
+                requires_conversion = not torch.is_autocast_enabled()
+                if requires_conversion:
+                    expected_dtype = result.dtype
+                    if x.dtype != torch.float32:
+                        x = x.float()
+
+                lora_A = self.lora_A[active_adapter]
+                lora_B = self.lora_B[active_adapter]
+                lora_E = self.lora_E[active_adapter]
+                dropout = self.lora_dropout[active_adapter]
+                scaling = self.scaling[active_adapter]
+                ranknum = self.ranknum[active_adapter] + 1e-5
+
+                output = dropout(x) @ (lora_A * lora_E).T @ lora_B.T
+                if requires_conversion:
+                    output = output.to(expected_dtype)
+                output = output * scaling / ranknum
+                # inplace operation on view is forbidden for MatMul8bitLtBackward, so avoid it
+                result = result + output
+            return result
+
+        def __repr__(self) -> str:
+            rep = super().__repr__()
+            return "adalora." + rep
+
+
+if is_bnb_4bit_available():
+
+    class SVDLinear4bit(torch.nn.Module, AdaLoraLayer):
+        # Low-rank matrix for SVD-based adaptation
+        def __init__(
+            self,
+            base_layer: torch.nn.Module,
+            adapter_name: str,
+            r: int = 0,
+            lora_alpha: int = 1,
+            lora_dropout: float = 0.0,
+            init_lora_weights: bool = True,
+            **kwargs,
+        ) -> None:
+            super().__init__()
+            AdaLoraLayer.__init__(self, base_layer)
+            # Freezing the pre-trained weight matrix
+            self.get_base_layer().weight.requires_grad = False
+
+            self._active_adapter = adapter_name
+            self.update_layer(adapter_name, r, lora_alpha, lora_dropout, init_lora_weights)
+
+        def forward(self, x: torch.Tensor, *args: Any, **kwargs: Any) -> torch.Tensor:
+            # note: no check for self.merged because merging is not supported (yet)
+            result = self.base_layer(x, *args, **kwargs)
+
+            if self.disable_adapters:
+                return result
+
+            # As per Tim Dettmers, for 4bit, we need to defensively clone here.
+            # The reason is that in some cases, an error can occur that backprop
+            # does not work on a manipulated view. This issue may be solved with
+            # newer PyTorch versions but this would need extensive testing to be
+            # sure.
+            result = result.clone()
+
+            for active_adapter in self.active_adapters:
+                if active_adapter not in self.lora_A.keys():
+                    continue
+
+                lora_A = self.lora_A[active_adapter]
+                lora_B = self.lora_B[active_adapter]
+                lora_E = self.lora_E[active_adapter]
+                dropout = self.lora_dropout[active_adapter]
+                scaling = self.scaling[active_adapter]
+                ranknum = self.ranknum[active_adapter] + 1e-5
+
+                requires_conversion = not torch.is_autocast_enabled()
+                if requires_conversion:
+                    expected_dtype = result.dtype
+                    compute_dtype = lora_A.dtype
+                    if x.dtype != compute_dtype:
+                        x = x.to(compute_dtype)
+
+                output = dropout(x) @ (lora_A * lora_E).T @ lora_B.T
+                if requires_conversion:
+                    output = output.to(expected_dtype)
+                output = output * scaling / ranknum
+                result += output
+            return result
+
+        def __repr__(self) -> str:
+            rep = super().__repr__()
+            return "adalora." + rep

env-llmeval/lib/python3.10/site-packages/peft/tuners/adalora/config.py

@@ -0,0 +1,52 @@
+# Copyright 2023-present the HuggingFace Inc. team.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from dataclasses import dataclass, field
+from typing import Optional
+
+from peft.tuners.lora import LoraConfig
+from peft.utils import PeftType
+
+
+@dataclass
+class AdaLoraConfig(LoraConfig):
+    """
+    This is the configuration class to store the configuration of a [`~peft.AdaLora`].
+
+    Args:
+        target_r (`int`): The target average rank of incremental matrix.
+        init_r (`int`): The initial rank for each incremental matrix.
+        tinit (`int`): The steps of initial fine-tuning warmup.
+        tfinal (`int`): The step of final fine-tuning.
+        deltaT (`int`): The time internval between two budget allocations.
+        beta1 (`float`): The hyperparameter of EMA for sensitivity smoothing.
+        beta2 (`float`): The hyperparameter of EMA for undertainty quantification.
+        orth_reg_weight (`float`): The coefficient of orthogonal regularization.
+        total_step (`int`): The total training steps that should be specified before training.
+        rank_pattern (`list`): The allocated rank for each weight matrix by RankAllocator.
+    """
+
+    target_r: int = field(default=8, metadata={"help": "Target Lora matrix dimension."})
+    init_r: int = field(default=12, metadata={"help": "Initial Lora matrix dimension."})
+    tinit: int = field(default=0, metadata={"help": "The steps of initial warmup."})
+    tfinal: int = field(default=0, metadata={"help": "The steps of final warmup."})
+    deltaT: int = field(default=1, metadata={"help": "Step interval of rank allocation."})
+    beta1: float = field(default=0.85, metadata={"help": "Hyperparameter of EMA."})
+    beta2: float = field(default=0.85, metadata={"help": "Hyperparameter of EMA."})
+    orth_reg_weight: float = field(default=0.5, metadata={"help": "The orthogonal regularization coefficient."})
+    total_step: Optional[int] = field(default=None, metadata={"help": "The total training steps."})
+    rank_pattern: Optional[dict] = field(default=None, metadata={"help": "The saved rank pattern."})
+
+    def __post_init__(self):
+        self.peft_type = PeftType.ADALORA

env-llmeval/lib/python3.10/site-packages/peft/tuners/adalora/gptq.py

@@ -0,0 +1,72 @@
+# Copyright 2023-present the HuggingFace Inc. team.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+import torch
+
+from .layer import AdaLoraLayer
+
+
+class SVDQuantLinear(torch.nn.Module, AdaLoraLayer):
+    def __init__(
+        self,
+        base_layer,
+        adapter_name,
+        r: int = 0,
+        lora_alpha: int = 1,
+        lora_dropout: float = 0.0,
+        init_lora_weights: bool = True,
+        **kwargs,
+    ) -> None:
+        super().__init__()
+        AdaLoraLayer.__init__(self, base_layer)
+
+        # self.base_layer and self.quant_linear_module are the same; we need the former for consistency and the latter
+        # for backwards compatibility
+        self.quant_linear_module = base_layer
+        self._active_adapter = adapter_name
+        self.update_layer(adapter_name, r, lora_alpha, lora_dropout, init_lora_weights)
+
+    def forward(self, x: torch.Tensor) -> torch.Tensor:
+        result = self.quant_linear_module(x)
+
+        if self.disable_adapters:
+            return result
+
+        for active_adapter in self.active_adapters:
+            if active_adapter not in self.lora_A.keys():
+                continue
+            lora_A = self.lora_A[active_adapter]
+            lora_B = self.lora_B[active_adapter]
+            lora_E = self.lora_E[active_adapter]
+            dropout = self.lora_dropout[active_adapter]
+            scaling = self.scaling[active_adapter]
+            ranknum = self.ranknum[active_adapter] + 1e-5
+
+            requires_conversion = not torch.is_autocast_enabled()
+            if requires_conversion:
+                expected_dtype = result.dtype
+                if x.dtype != torch.float32:
+                    x = x.float()
+
+            output = (dropout(x) @ (lora_A * lora_E).T @ lora_B.T) * scaling / ranknum
+            # TODO: here, the dtype conversion is applied on the *whole expression*,
+            # not the intermediate result, unlike for SVDLinear8bitLT and
+            # SVDLinear4bit, is that correct?
+            if requires_conversion:
+                output = output.to(expected_dtype)
+            result += output
+        return result
+
+        def __repr__(self) -> str:
+            rep = super().__repr__()
+            return "adalora." + rep

env-llmeval/lib/python3.10/site-packages/peft/tuners/adalora/layer.py

@@ -0,0 +1,347 @@
+# Copyright 2023-present the HuggingFace Inc. team.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import warnings
+from typing import Any, List, Optional
+
+import torch
+from torch import nn
+
+from peft.tuners.lora import LoraLayer
+from peft.tuners.tuners_utils import check_adapters_to_merge
+from peft.utils import transpose
+
+
+class AdaLoraLayer(LoraLayer):
+    # List all names of layers that may contain adapter weights
+    # Note: ranknum doesn't need to be included as it is not an nn.Module
+    adapter_layer_names = ("lora_A", "lora_B", "lora_E", "lora_embedding_A", "lora_embedding_B")
+    # other_param_names is defined in LoraLayer
+
+    def __init__(self, base_layer: nn.Module) -> None:
+        super().__init__(base_layer)
+        self.lora_E = nn.ParameterDict({})
+        self.lora_A = nn.ParameterDict({})
+        self.lora_B = nn.ParameterDict({})
+        self.ranknum = nn.ParameterDict({})
+
+    def update_layer(self, adapter_name, r, lora_alpha, lora_dropout, init_lora_weights):
+        if r < 0:
+            # note: r == 0 is allowed for AdaLora, see #1539
+            raise ValueError(f"`r` should be a positive integer or 0, but the value passed is {r}")
+
+        self.r[adapter_name] = r
+        self.lora_alpha[adapter_name] = lora_alpha
+        if lora_dropout > 0.0:
+            lora_dropout_layer = nn.Dropout(p=lora_dropout)
+        else:
+            lora_dropout_layer = nn.Identity()
+
+        self.lora_dropout[adapter_name] = lora_dropout_layer
+        # Actual trainable parameters
+        # Right singular vectors
+        self.lora_A[adapter_name] = nn.Parameter(torch.randn(r, self.in_features))
+        # Singular values
+        self.lora_E[adapter_name] = nn.Parameter(torch.randn(r, 1))
+        # Left singular vectors
+        self.lora_B[adapter_name] = nn.Parameter(torch.randn(self.out_features, r))
+        # The current rank
+        self.ranknum[adapter_name] = nn.Parameter(torch.randn(1), requires_grad=False)
+        self.ranknum[adapter_name].data.fill_(float(r))
+        self.ranknum[adapter_name].requires_grad = False
+        self.scaling[adapter_name] = lora_alpha if lora_alpha > 0 else float(r)
+        if init_lora_weights:
+            self.reset_lora_parameters(adapter_name)
+
+        if hasattr(self.get_base_layer(), "qweight"):
+            # QuantLinear
+            self.to(self.get_base_layer().qweight.device)
+        else:
+            self.to(self.get_base_layer().weight.device)
+        self.set_adapter(self.active_adapters)
+
+    def reset_lora_parameters(self, adapter_name):
+        if adapter_name in self.lora_A.keys():
+            nn.init.normal_(self.lora_E[adapter_name], mean=0.0, std=0.02)
+            nn.init.normal_(self.lora_A[adapter_name], mean=0.0, std=0.02)
+            nn.init.normal_(self.lora_B[adapter_name], mean=0.0, std=0.02)
+
+
+class SVDLinear(nn.Module, AdaLoraLayer):
+    # SVD-based adaptation by a dense layer
+    def __init__(
+        self,
+        base_layer: nn.Module,
+        adapter_name: str,
+        r: int = 0,
+        lora_alpha: int = 1,
+        lora_dropout: float = 0.0,
+        fan_in_fan_out: bool = False,
+        init_lora_weights: bool = True,
+        **kwargs,
+    ) -> None:
+        super().__init__()
+        AdaLoraLayer.__init__(self, base_layer)
+        # Freezing the pre-trained weight matrix
+        self.get_base_layer().weight.requires_grad = False
+
+        self.fan_in_fan_out = fan_in_fan_out
+        self._active_adapter = adapter_name
+        self.update_layer(adapter_name, r, lora_alpha, lora_dropout, init_lora_weights)
+
+    def merge(self, safe_merge: bool = False, adapter_names: Optional[List[str]] = None) -> None:
+        """
+        Merge the active adapter weights into the base weights
+
+        Args:
+            safe_merge (`bool`, *optional*):
+                If True, the merge operation will be performed in a copy of the original weights and check for NaNs
+                before merging the weights. This is useful if you want to check if the merge operation will produce
+                NaNs. Defaults to `False`.
+            adapter_names (`List[str]`, *optional*):
+                The list of adapter names that should be merged. If None, all active adapters will be merged. Defaults
+                to `None`.
+        """
+        adapter_names = check_adapters_to_merge(self, adapter_names)
+        if not adapter_names:
+            # no adapter to merge
+            return
+
+        for active_adapter in adapter_names:
+            base_layer = self.get_base_layer()
+            if active_adapter in self.lora_A.keys():
+                if safe_merge:
+                    # Note that safe_merge will be slower than the normal merge
+                    # because of the copy operation.
+                    orig_weights = base_layer.weight.data.clone()
+                    orig_weights += self.get_delta_weight(active_adapter)
+
+                    if not torch.isfinite(orig_weights).all():
+                        raise ValueError(
+                            f"NaNs detected in the merged weights. The adapter {active_adapter} seems to be broken"
+                        )
+
+                    base_layer.weight.data = orig_weights
+                else:
+                    base_layer.weight.data += self.get_delta_weight(active_adapter)
+                self.merged_adapters.append(active_adapter)
+
+    def unmerge(self) -> None:
+        """
+        This method unmerges all merged adapter layers from the base weights.
+        """
+        if not self.merged:
+            warnings.warn("Already unmerged. Nothing to do.")
+            return
+        while len(self.merged_adapters) > 0:
+            active_adapter = self.merged_adapters.pop()
+            if active_adapter in self.lora_A.keys():
+                self.get_base_layer().weight.data -= self.get_delta_weight(active_adapter)
+
+    def get_delta_weight(self, adapter) -> torch.Tensor:
+        return (
+            transpose(self.lora_B[adapter] @ (self.lora_A[adapter] * self.lora_E[adapter]), self.fan_in_fan_out)
+            * self.scaling[adapter]
+            / (self.ranknum[adapter] + 1e-5)
+        )
+
+    def forward(self, x: torch.Tensor, *args: Any, **kwargs: Any) -> torch.Tensor:
+        if self.disable_adapters:
+            if self.merged:
+                self.unmerge()
+            result = self.base_layer(x, *args, **kwargs)
+        elif self.merged:
+            result = self.base_layer(x, *args, **kwargs)
+        else:
+            result = self.base_layer(x, *args, **kwargs)
+            for active_adapter in self.active_adapters:
+                if active_adapter not in self.lora_A.keys():
+                    continue
+                lora_A = self.lora_A[active_adapter]
+                lora_B = self.lora_B[active_adapter]
+                lora_E = self.lora_E[active_adapter]
+                dropout = self.lora_dropout[active_adapter]
+                scaling = self.scaling[active_adapter]
+                ranknum = self.ranknum[active_adapter] + 1e-5
+
+                x = x.to(lora_A.dtype)
+                result += (dropout(x) @ (lora_A * lora_E).T @ lora_B.T) * scaling / ranknum
+
+        return result
+
+    def __repr__(self) -> str:
+        rep = super().__repr__()
+        return "adalora." + rep
+
+
+class RankAllocator:
+    """
+    The RankAllocator for AdaLoraModel. Paper: https://openreview.net/pdf?id=lq62uWRJjiY
+
+    Args:
+        config ([`AdaLoraConfig`]): The configuration of the AdaLora model.
+        model: the model that we apply AdaLoRA to.
+
+    """
+
+    def __init__(self, model, peft_config, adapter_name):
+        self.peft_config = peft_config
+        self.adapter_name = adapter_name
+        self.beta1 = peft_config.beta1
+        self.beta2 = peft_config.beta2
+        assert self.beta1 > 0 and self.beta1 < 1
+        assert self.beta2 > 0 and self.beta2 < 1
+
+        self.reset_ipt()
+        self._set_budget_scheduler(model)
+
+    def set_total_step(self, total_step):
+        self.peft_config.total_step = total_step
+
+    def reset_ipt(self):
+        self.ipt = {}
+        self.exp_avg_ipt = {}
+        self.exp_avg_unc = {}
+
+    def _set_budget_scheduler(self, model):
+        self.init_bgt = 0
+        self.name_set = set()
+        for n, p in model.named_parameters():
+            if f"lora_A.{self.adapter_name}" in n:
+                self.init_bgt += p.size(0)
+                self.name_set.add(n.replace("lora_A", "%s"))
+        self.name_set = sorted(self.name_set)
+        # The total final rank budget
+        self.target_bgt = self.peft_config.target_r * len(self.name_set)
+
+    def budget_schedule(self, step: int):
+        tinit = self.peft_config.tinit
+        tfinal = self.peft_config.tfinal
+        total_step = self.peft_config.total_step
+        # Initial warmup
+        if step <= tinit:
+            budget = self.init_bgt
+            mask_ind = False
+        # Final fine-tuning
+        elif step > total_step - tfinal:
+            budget = self.target_bgt
+            mask_ind = True
+        else:
+            # Budget decreasing with a cubic scheduler
+            mul_coeff = 1 - (step - tinit) / (total_step - tfinal - tinit)
+            budget = int((self.init_bgt - self.target_bgt) * (mul_coeff**3) + self.target_bgt)
+            mask_ind = True if step % self.peft_config.deltaT == 0 else False
+        return budget, mask_ind
+
+    def update_ipt(self, model):
+        # Update the sensitivity and uncertainty for every weight
+        for n, p in model.named_parameters():
+            if "lora_" in n and self.adapter_name in n:
+                if n not in self.ipt:
+                    self.ipt[n] = torch.zeros_like(p)
+                    self.exp_avg_ipt[n] = torch.zeros_like(p)
+                    self.exp_avg_unc[n] = torch.zeros_like(p)
+                with torch.no_grad():
+                    self.ipt[n] = (p * p.grad).abs().detach()
+                    # Sensitivity smoothing
+                    self.exp_avg_ipt[n] = self.beta1 * self.exp_avg_ipt[n] + (1 - self.beta1) * self.ipt[n]
+                    # Uncertainty quantification
+                    self.exp_avg_unc[n] = (
+                        self.beta2 * self.exp_avg_unc[n] + (1 - self.beta2) * (self.ipt[n] - self.exp_avg_ipt[n]).abs()
+                    )
+
+    def _element_score(self, n):
+        return self.exp_avg_ipt[n] * self.exp_avg_unc[n]
+
+    def _combine_ipt(self, ipt_E, ipt_AB):
+        ipt_AB = ipt_AB.sum(dim=1, keepdim=False)
+        sum_ipt = ipt_E.view(-1) + ipt_AB.view(-1)
+        return sum_ipt
+
+    def mask_to_budget(self, model, budget):
+        value_ipt = {}
+        vector_ipt = {}
+        triplet_ipt = {}
+        # Get the importance score for A, E, B
+        for n, p in model.named_parameters():
+            if f"lora_A.{self.adapter_name}" in n:
+                entry_ipt = self._element_score(n)
+                comb_ipt = torch.mean(entry_ipt, dim=1, keepdim=True)
+                name_m = n.replace("lora_A", "%s")
+                if name_m not in vector_ipt:
+                    vector_ipt[name_m] = [comb_ipt]
+                else:
+                    vector_ipt[name_m].append(comb_ipt)
+            if f"lora_B.{self.adapter_name}" in n:
+                entry_ipt = self._element_score(n)
+                comb_ipt = torch.mean(entry_ipt, dim=0, keepdim=False).view(-1, 1)
+                name_m = n.replace("lora_B", "%s")
+                if name_m not in vector_ipt:
+                    vector_ipt[name_m] = [comb_ipt]
+                else:
+                    vector_ipt[name_m].append(comb_ipt)
+            if f"lora_E.{self.adapter_name}" in n:
+                entry_ipt = self._element_score(n)
+                name_m = n.replace("lora_E", "%s")
+                value_ipt[name_m] = entry_ipt
+
+        all_score = []
+        # Calculate the score for each triplet
+        for name_m in vector_ipt:
+            ipt_E = value_ipt[name_m]
+            ipt_AB = torch.cat(vector_ipt[name_m], dim=1)
+            sum_ipt = self._combine_ipt(ipt_E, ipt_AB)
+            name_E = name_m % "lora_E"
+            triplet_ipt[name_E] = sum_ipt.view(-1, 1)
+            all_score.append(sum_ipt.view(-1))
+
+        # Get the threshold by ranking ipt
+        mask_threshold = torch.kthvalue(
+            torch.cat(all_score),
+            k=self.init_bgt - budget,
+        )[0].item()
+
+        rank_pattern = {}
+        # Mask the unimportant triplets
+        with torch.no_grad():
+            for n, p in model.named_parameters():
+                if f"lora_E.{self.adapter_name}" in n:
+                    p.masked_fill_(triplet_ipt[n] <= mask_threshold, 0.0)
+                    rank_pattern[n] = (~(triplet_ipt[n] <= mask_threshold)).view(-1).tolist()
+        return rank_pattern
+
+    def update_and_allocate(self, model, global_step, force_mask=False):
+        # # Update the importance score and allocate the budget
+        if global_step < self.peft_config.total_step - self.peft_config.tfinal:
+            self.update_ipt(model)
+        budget, mask_ind = self.budget_schedule(global_step)
+        # Allocate the budget according to importance scores
+        if mask_ind or force_mask:
+            rank_pattern = self.mask_to_budget(model, budget)
+        else:
+            rank_pattern = None
+        return budget, rank_pattern
+
+    def mask_using_rank_pattern(self, model, rank_pattern):
+        # Mask the unimportant triplets
+        is_adapter_name_truncated = False
+        if self.adapter_name not in next(iter(rank_pattern.keys())):
+            is_adapter_name_truncated = True
+
+        with torch.no_grad():
+            for n, p in model.named_parameters():
+                if f"lora_E.{self.adapter_name}" in n:
+                    key = n if not is_adapter_name_truncated else n.replace(f".{self.adapter_name}", "")
+                    mask = torch.Tensor(rank_pattern[key]).unsqueeze(-1).to(p.device)
+                    p.masked_fill_(~mask.bool(), 0.0)

env-llmeval/lib/python3.10/site-packages/peft/tuners/adalora/model.py

@@ -0,0 +1,346 @@
+# Copyright 2023-present the HuggingFace Inc. team.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import warnings
+
+import torch
+from transformers.pytorch_utils import Conv1D
+
+from peft.import_utils import is_bnb_4bit_available, is_bnb_available
+from peft.tuners.lora import LoraConfig, LoraModel
+from peft.tuners.tuners_utils import BaseTunerLayer
+from peft.utils import (
+    TRANSFORMERS_MODELS_TO_ADALORA_TARGET_MODULES_MAPPING,
+    _freeze_adapter,
+    _get_submodules,
+    get_auto_gptq_quant_linear,
+    get_quantization_config,
+)
+
+from .gptq import SVDQuantLinear
+from .layer import AdaLoraLayer, RankAllocator, SVDLinear
+
+
+class AdaLoraModel(LoraModel):
+    """
+    Creates AdaLoRA (Adaptive LoRA) model from a pretrained transformers model. Paper:
+    https://openreview.net/forum?id=lq62uWRJjiY
+
+    Args:
+        model ([`transformers.PreTrainedModel`]): The model to be adapted.
+        config ([`AdaLoraConfig`]): The configuration of the AdaLora model.
+        adapter_name (`str`): The name of the adapter, defaults to `"default"`.
+
+    Returns:
+        `torch.nn.Module`: The AdaLora model.
+
+    Example::
+
+        >>> from transformers import AutoModelForSeq2SeqLM, LoraConfig >>> from peft import AdaLoraModel, AdaLoraConfig
+        >>> config = AdaLoraConfig(
+                peft_type="ADALORA", task_type="SEQ_2_SEQ_LM", r=8, lora_alpha=32, target_modules=["q", "v"],
+                lora_dropout=0.01,
+            )
+        >>> model = AutoModelForSeq2SeqLM.from_pretrained("t5-base") >>> model = AdaLoraModel(model, config, "default")
+
+    **Attributes**:
+        - **model** ([`transformers.PreTrainedModel`]) -- The model to be adapted.
+        - **peft_config** ([`AdaLoraConfig`]): The configuration of the AdaLora model.
+    """
+
+    # Note: don't redefine prefix here, it should be inherited from LoraModel
+
+    def __init__(self, model, config, adapter_name):
+        super().__init__(model, config, adapter_name)
+
+        traininable_mode_counter = 0
+        for config in self.peft_config.values():
+            if not config.inference_mode:
+                traininable_mode_counter += 1
+
+        if traininable_mode_counter > 1:
+            raise ValueError(
+                "AdaLoraModel supports only 1 trainable adapter. "
+                "When using multiple adapters, set inference_mode to True for all adapters except the one you want to train."
+            )
+
+        if self.peft_config[adapter_name].inference_mode:
+            _freeze_adapter(self.model, adapter_name)
+        else:
+            self.trainable_adapter_name = adapter_name
+            self.rankallocator = RankAllocator(self.model, self.peft_config[adapter_name], self.trainable_adapter_name)
+
+    def _check_new_adapter_config(self, config: LoraConfig) -> None:
+        """
+        A helper method to check the config when a new adapter is being added.
+
+        Raise a ValueError if there is something wrong with the config or if it conflicts with existing adapters.
+
+        """
+        super()._check_new_adapter_config(config)
+
+        traininable_mode_counter = 0
+        for config_ in self.peft_config.values():
+            if not config_.inference_mode:
+                traininable_mode_counter += 1
+
+        if traininable_mode_counter > 1:
+            raise ValueError(
+                f"{self.__class__.__name__} supports only 1 trainable adapter. "
+                "When using multiple adapters, set inference_mode to True for all adapters except the one "
+                "you want to train."
+            )
+
+    def _create_and_replace(
+        self,
+        lora_config,
+        adapter_name,
+        target,
+        target_name,
+        parent,
+        current_key,
+    ):
+        kwargs = {
+            "r": lora_config.init_r,
+            "lora_alpha": lora_config.lora_alpha,
+            "lora_dropout": lora_config.lora_dropout,
+            "fan_in_fan_out": lora_config.fan_in_fan_out,
+            "init_lora_weights": lora_config.init_lora_weights,
+            "loaded_in_8bit": getattr(self.model, "is_loaded_in_8bit", False),
+            "loaded_in_4bit": getattr(self.model, "is_loaded_in_4bit", False),
+        }
+        if (kwargs["loaded_in_8bit"] or kwargs["loaded_in_4bit"]) and not is_bnb_available():
+            raise ImportError(
+                "To use AdaLora with 8-bit quantization, please install the `bitsandbytes` package. "
+                "You can install it with `pip install bitsandbytes`."
+            )
+
+        quantization_config = get_quantization_config(self.model, method="gptq")
+        if quantization_config is not None:
+            kwargs["gptq_quantization_config"] = quantization_config
+
+        # If it is not an AdaLoraLayer, create a new module, else update it with new adapters
+        if not isinstance(target, AdaLoraLayer):
+            new_module = self._create_new_module(lora_config, adapter_name, target, **kwargs)
+            if adapter_name != self.active_adapter:
+                # adding an additional adapter: it is not automatically trainable
+                new_module.requires_grad_(False)
+            self._replace_module(parent, target_name, new_module, target)
+        else:
+            target.update_layer(
+                adapter_name,
+                lora_config.init_r,
+                lora_config.lora_alpha,
+                lora_config.lora_dropout,
+                lora_config.init_lora_weights,
+            )
+
+    @staticmethod
+    def _create_new_module(lora_config, adapter_name, target, **kwargs):
+        # avoid eager bnb import
+        if is_bnb_available():
+            import bitsandbytes as bnb
+
+            from .bnb import SVDLinear8bitLt
+        if is_bnb_4bit_available():
+            from .bnb import SVDLinear4bit
+
+        gptq_quantization_config = kwargs.get("gptq_quantization_config", None)
+        AutoGPTQQuantLinear = get_auto_gptq_quant_linear(gptq_quantization_config)
+
+        loaded_in_8bit = kwargs.pop("loaded_in_8bit", False)
+        loaded_in_4bit = kwargs.pop("loaded_in_4bit", False)
+
+        if isinstance(target, BaseTunerLayer):
+            target_base_layer = target.get_base_layer()
+        else:
+            target_base_layer = target
+
+        if loaded_in_8bit and isinstance(target_base_layer, bnb.nn.Linear8bitLt):
+            kwargs.update(
+                {
+                    "has_fp16_weights": target_base_layer.state.has_fp16_weights,
+                    "memory_efficient_backward": target_base_layer.state.memory_efficient_backward,
+                    "threshold": target_base_layer.state.threshold,
+                    "index": target_base_layer.index,
+                }
+            )
+            new_module = SVDLinear8bitLt(target, adapter_name, **kwargs)
+        elif loaded_in_4bit and is_bnb_4bit_available() and isinstance(target_base_layer, bnb.nn.Linear4bit):
+            fourbit_kwargs = kwargs.copy()
+            fourbit_kwargs.update(
+                {
+                    "compute_dtype": target_base_layer.compute_dtype,
+                    "compress_statistics": target_base_layer.weight.compress_statistics,
+                    "quant_type": target_base_layer.weight.quant_type,
+                }
+            )
+            new_module = SVDLinear4bit(target, adapter_name, **fourbit_kwargs)
+        elif AutoGPTQQuantLinear is not None and isinstance(target, AutoGPTQQuantLinear):
+            new_module = SVDQuantLinear(target, adapter_name, **kwargs)
+        else:
+            if isinstance(target_base_layer, torch.nn.Linear):
+                if kwargs["fan_in_fan_out"]:
+                    warnings.warn(
+                        "fan_in_fan_out is set to True but the target module is `torch.nn.Linear`. "
+                        "Setting fan_in_fan_out to False."
+                    )
+                    kwargs["fan_in_fan_out"] = lora_config.fan_in_fan_out = False
+            elif isinstance(target_base_layer, Conv1D):
+                if not kwargs["fan_in_fan_out"]:
+                    warnings.warn(
+                        "fan_in_fan_out is set to False but the target module is `Conv1D`. "
+                        "Setting fan_in_fan_out to True."
+                    )
+                    kwargs["fan_in_fan_out"] = lora_config.fan_in_fan_out = True
+            else:
+                raise ValueError(
+                    f"Target module {target} is not supported. "
+                    f"Currently, only `torch.nn.Linear` and `Conv1D` are supported."
+                )
+            new_module = SVDLinear(target, adapter_name, **kwargs)
+
+        return new_module
+
+    @staticmethod
+    def _prepare_adapter_config(peft_config, model_config):
+        if peft_config.target_modules is None:
+            if model_config["model_type"] not in TRANSFORMERS_MODELS_TO_ADALORA_TARGET_MODULES_MAPPING:
+                raise ValueError("Please specify `target_modules` in `peft_config`")
+            peft_config.target_modules = TRANSFORMERS_MODELS_TO_ADALORA_TARGET_MODULES_MAPPING[
+                model_config["model_type"]
+            ]
+        return peft_config
+
+    def __getattr__(self, name: str):
+        """Forward missing attributes to the wrapped module."""
+        try:
+            return super().__getattr__(name)  # defer to nn.Module's logic
+        except AttributeError:
+            return getattr(self.model, name)
+
+    def forward(self, *args, **kwargs):
+        outputs = self.model.forward(*args, **kwargs)
+
+        if (getattr(outputs, "loss", None) is not None) and isinstance(outputs.loss, torch.Tensor):
+            # Calculate the orthogonal regularization
+            orth_reg_weight = self.peft_config[self.trainable_adapter_name].orth_reg_weight
+
+            if orth_reg_weight <= 0:
+                raise ValueError("orth_reg_weight should be greater than 0. ")
+
+            regu_loss = 0
+            num_param = 0
+            for n, p in self.model.named_parameters():
+                if ("lora_A" in n or "lora_B" in n) and self.trainable_adapter_name in n:
+                    para_cov = p @ p.T if "lora_A" in n else p.T @ p
+                    I = torch.eye(*para_cov.size(), out=torch.empty_like(para_cov))  # noqa: E741
+                    I.requires_grad = False
+                    num_param += 1
+                    regu_loss += torch.norm(para_cov - I, p="fro")
+            if num_param > 0:
+                regu_loss = regu_loss / num_param
+            else:
+                regu_loss = 0
+            outputs.loss += orth_reg_weight * regu_loss
+        return outputs
+
+    def resize_modules_by_rank_pattern(self, rank_pattern, adapter_name):
+        lora_config = self.peft_config[adapter_name]
+        for name, rank_idx in rank_pattern.items():
+            if isinstance(rank_idx, list):
+                rank = sum(rank_idx)
+            elif isinstance(rank_idx, torch.Tensor):
+                rank_idx = rank_idx.view(-1)
+                rank = rank_idx.sum().item()
+            else:
+                raise ValueError("Unexpected type of rank_idx")
+            key = ".".join(name.split(".")[0:-2]) if adapter_name in name else ".".join(name.split(".")[0:-1])
+            _, target, _ = _get_submodules(self.model, key)
+            lora_E_weights = target.lora_E[adapter_name][rank_idx]
+            lora_A_weights = target.lora_A[adapter_name][rank_idx]
+            lora_B_weights = target.lora_B[adapter_name][:, rank_idx]
+            ranknum = target.ranknum[adapter_name]
+            target.update_layer(
+                adapter_name,
+                rank,
+                lora_config.lora_alpha,
+                lora_config.lora_dropout,
+                lora_config.init_lora_weights,
+            )
+            with torch.no_grad():
+                if rank > 0:
+                    target.lora_E[adapter_name].copy_(lora_E_weights)
+                    target.lora_A[adapter_name].copy_(lora_A_weights)
+                    target.lora_B[adapter_name].copy_(lora_B_weights)
+                    # The scaling is exactly as the previous
+                    target.ranknum[adapter_name].copy_(ranknum)
+
+    def resize_state_dict_by_rank_pattern(self, rank_pattern, state_dict, adapter_name):
+        for name, rank_idx in rank_pattern.items():
+            rank = sum(rank_idx)
+            prefix = ".".join(name.split(".")[0:-2]) if adapter_name in name else ".".join(name.split(".")[0:-1])
+            for layer in ["lora_E", "lora_A", "lora_B"]:
+                key = f"base_model.model.{prefix}.{layer}.{adapter_name}"
+                if layer != "lora_B":
+                    state_dict[key] = (
+                        state_dict[key][rank_idx] if rank != state_dict[key].shape[0] else state_dict[key]
+                    )
+                else:
+                    state_dict[key] = (
+                        state_dict[key][:, rank_idx] if rank != state_dict[key].shape[1] else state_dict[key]
+                    )
+        return state_dict
+
+    def update_and_allocate(self, global_step):
+        """
+        This method updates Adalora budget and mask.
+
+        This should be called in every training step after `loss.backward()` and before `zero_grad()`.
+
+        `tinit`, `tfinal` and `deltaT` are handled with in the method.
+
+        Args:
+            global_step (`int`): The current training step, it is used to calculate adalora budget.
+
+        Example:
+
+        ```python
+        >>> loss = model(**input).loss
+        >>> loss.backward()
+        >>> optimizer.step()
+        >>> model.base_model.update_and_allocate(i_step)
+        >>> optimizer.zero_grad()
+        ```
+        """
+        lora_config = self.peft_config[self.trainable_adapter_name]
+        # Update the importance score and allocate the budget
+        if global_step < lora_config.total_step - lora_config.tfinal:
+            _, rank_pattern = self.rankallocator.update_and_allocate(self.model, global_step)
+            if rank_pattern:
+                lora_config.rank_pattern = rank_pattern
+        # Finalize the budget allocation
+        elif global_step == lora_config.total_step - lora_config.tfinal:
+            _, rank_pattern = self.rankallocator.update_and_allocate(self.model, global_step, force_mask=True)
+            # for some reason, this freezes the trainable parameters and nothing gets updates
+            # self.resize_modules_by_rank_pattern(rank_pattern, self.trainable_adapter_name)
+            lora_config.rank_pattern = rank_pattern
+            self.rankallocator.reset_ipt()
+        # Currently using inefficient way to mask the unimportant weights using the rank pattern
+        #  due to problem mentioned above
+        elif global_step > lora_config.total_step - lora_config.tfinal:
+            self.rankallocator.mask_using_rank_pattern(self.model, lora_config.rank_pattern)
+        # Pass the function and do forward propagation
+        else:
+            return None

env-llmeval/lib/python3.10/site-packages/peft/tuners/ia3/__init__.py

@@ -0,0 +1,36 @@
+# Copyright 2023-present the HuggingFace Inc. team.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from peft.import_utils import is_bnb_4bit_available, is_bnb_available
+
+from .config import IA3Config
+from .layer import Conv2d, IA3Layer, Linear
+from .model import IA3Model
+
+
+__all__ = ["Conv2d", "IA3Config", "IA3Layer", "IA3Model", "Linear"]
+
+
+def __getattr__(name):
+    if (name == "Linear8bitLt") and is_bnb_available():
+        from .bnb import Linear8bitLt
+
+        return Linear8bitLt
+
+    if (name == "Linear4bit") and is_bnb_4bit_available():
+        from .bnb import Linear4bit
+
+        return Linear4bit
+
+    raise AttributeError(f"module {__name__} has no attribute {name}")

env-llmeval/lib/python3.10/site-packages/peft/tuners/ia3/bnb.py

@@ -0,0 +1,129 @@
+# Copyright 2023-present the HuggingFace Inc. team.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from typing import Any
+
+import torch
+
+from peft.import_utils import is_bnb_4bit_available, is_bnb_available
+
+from .layer import IA3Layer
+
+
+if is_bnb_available():
+
+    class Linear8bitLt(torch.nn.Module, IA3Layer):
+        # (IA)^3 implemented in a dense layer
+        def __init__(
+            self,
+            base_layer: torch.nn.Module,
+            adapter_name: str,
+            is_feedforward: bool,
+            init_ia3_weights: bool = True,
+            **kwargs,
+        ) -> None:
+            super().__init__()
+            IA3Layer.__init__(self, base_layer, is_feedforward=is_feedforward)
+
+            # Freezing the pre-trained weight matrix
+            self.get_base_layer().weight.requires_grad = False
+            self._active_adapter = adapter_name
+            self.update_layer(adapter_name, init_ia3_weights)
+
+        def forward(self, x: torch.Tensor, *args: Any, **kwargs: Any) -> torch.Tensor:
+            # note: no check for self.merged because merging is not supported (yet)
+            if self.disable_adapters:
+                return self.base_layer(x)
+
+            ia3_scaling = 1
+            for active_adapter in self.active_adapters:
+                if active_adapter not in self.ia3_l.keys():
+                    continue
+                ia3_scaling *= self.ia3_l[active_adapter].flatten()
+
+            requires_conversion = (not torch.is_autocast_enabled()) and (x.dtype != torch.float32)
+            if requires_conversion:
+                x = x.float()
+            if self.is_feedforward:
+                result = self.base_layer(x * ia3_scaling)
+                expected_dtype = result.dtype
+            else:
+                result = self.base_layer(x)
+                expected_dtype = result.dtype
+                result = result * ia3_scaling
+
+            if requires_conversion:
+                result = result.to(expected_dtype)
+
+            return result
+
+        def __repr__(self) -> str:
+            rep = super().__repr__()
+            return "ia3." + rep
+
+
+if is_bnb_4bit_available():
+
+    class Linear4bit(torch.nn.Module, IA3Layer):
+        # IA3 implemented in a dense layer
+        def __init__(
+            self,
+            base_layer: torch.nn.Module,
+            adapter_name: str,
+            is_feedforward: bool,
+            init_ia3_weights: bool = True,
+            **kwargs,
+        ) -> None:
+            super().__init__()
+            IA3Layer.__init__(self, base_layer, is_feedforward=is_feedforward)
+
+            # Freezing the pre-trained weight matrix
+            self.get_base_layer().weight.requires_grad = False
+            self._active_adapter = adapter_name
+            self.update_layer(adapter_name, init_ia3_weights)
+
+        def forward(self, x: torch.Tensor, *args: Any, **kwargs: Any) -> torch.Tensor:
+            # note: no check for self.merged because merging is not supported (yet)
+            if self.disable_adapters:
+                return self.base_layer(x)
+
+            ia3_scaling = 1
+            for active_adapter in self.active_adapters:
+                if active_adapter not in self.ia3_l.keys():
+                    continue
+                ia3_scaling *= self.ia3_l[active_adapter].flatten()
+
+            requires_conversion = (not torch.is_autocast_enabled()) and (x.dtype != torch.float32)
+            if requires_conversion:
+                x = x.float()
+            if self.is_feedforward:
+                result = self.base_layer(x * ia3_scaling)
+                expected_dtype = result.dtype
+            else:
+                result = self.base_layer(x)
+                expected_dtype = result.dtype
+                result = result * ia3_scaling
+
+            result = result.clone()
+            # adalora.py and lora.py both suggest that this is necessary for 4-bit training on older versions of Pytorch.
+            # This has been duplicated here.
+
+            if requires_conversion:
+                result = result.to(expected_dtype)
+
+            return result
+
+        def __repr__(self) -> str:
+            rep = super().__repr__()
+            return "ia3." + rep

env-llmeval/lib/python3.10/site-packages/peft/tuners/ia3/layer.py

@@ -0,0 +1,307 @@
+# Copyright 2023-present the HuggingFace Inc. team.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import warnings
+from typing import Any, List, Optional
+
+import torch
+import torch.nn as nn
+from transformers.pytorch_utils import Conv1D
+
+from peft.tuners.tuners_utils import BaseTunerLayer, check_adapters_to_merge
+from peft.utils import transpose
+
+
+class IA3Layer(BaseTunerLayer):
+    # All names of layers that may contain adapter weights
+    adapter_layer_names = ("ia3_l",)
+
+    def __init__(self, base_layer: nn.Module, is_feedforward: bool, **kwargs) -> None:
+        self.base_layer = base_layer
+        self.ia3_l = nn.ParameterDict({})
+        # Mark the weight as unmerged
+        self._disable_adapters = False
+        self.merged_adapters = []
+        self.is_feedforward = is_feedforward
+
+        base_layer = self.get_base_layer()
+        if isinstance(base_layer, nn.Linear):
+            in_features, out_features = base_layer.in_features, base_layer.out_features
+        elif isinstance(base_layer, nn.Conv2d):
+            in_features, out_features = base_layer.in_channels, base_layer.out_channels
+        elif isinstance(base_layer, nn.Embedding):
+            in_features, out_features = base_layer.num_embeddings, base_layer.embedding_dim
+        elif isinstance(base_layer, Conv1D):
+            in_features, out_features = (
+                base_layer.weight.ds_shape if hasattr(base_layer.weight, "ds_shape") else base_layer.weight.shape
+            )
+        else:
+            raise ValueError(f"Unsupported layer type {type(base_layer)}")
+        self.in_features = in_features
+        self.out_features = out_features
+
+    def update_layer(self, adapter_name, init_ia3_weights):
+        # This code works for linear layers, override for other layer types
+        # Actual trainable parameters
+        if self.is_feedforward:
+            weight = torch.randn((1, self.in_features))
+        else:
+            weight = torch.randn((self.out_features, 1))
+        self.ia3_l[adapter_name] = nn.Parameter(weight)
+        if init_ia3_weights:
+            self.reset_ia3_parameters(adapter_name)
+        self.to(self.get_base_layer().weight.device)
+        self.set_adapter(self.active_adapters)
+
+    def reset_ia3_parameters(self, adapter_name):
+        if adapter_name in self.ia3_l.keys():
+            # initialize learned vector with torch.ones
+            nn.init.constant_(self.ia3_l[adapter_name], 1.0)
+
+
+class Linear(nn.Module, IA3Layer):
+    # (IA)^3 implemented in a dense layer
+    def __init__(
+        self,
+        base_layer: nn.Module,
+        adapter_name: str,
+        fan_in_fan_out: bool = False,  # Set this to True if the layer to replace stores weight like (fan_in, fan_out)
+        is_feedforward: bool = False,  # Set to True if the layer is treated as a feedforward layer
+        is_target_conv_1d_layer: bool = False,  # whether target module is a conv1d layer. useful while unloading later
+        init_ia3_weights: bool = True,  # whether to initialize IA3 weights
+        **kwargs,
+    ) -> None:
+        super().__init__()
+        IA3Layer.__init__(self, base_layer, is_feedforward=is_feedforward)
+        self.fan_in_fan_out = fan_in_fan_out
+        self.is_target_conv_1d_layer = is_target_conv_1d_layer
+        self._active_adapter = adapter_name
+        self.update_layer(adapter_name, init_ia3_weights)
+
+    def merge(self, safe_merge: bool = False, adapter_names: Optional[List[str]] = None) -> None:
+        """
+        Merge the active adapter weights into the base weights
+
+        Args:
+            safe_merge (`bool`, *optional*):
+                If True, the merge operation will be performed in a copy of the original weights and check for NaNs
+                before merging the weights. This is useful if you want to check if the merge operation will produce
+                NaNs. Defaults to `False`.
+            adapter_names (`List[str]`, *optional*):
+                The list of adapter names that should be merged. If None, all active adapters will be merged. Defaults
+                to `None`.
+        """
+        adapter_names = check_adapters_to_merge(self, adapter_names)
+        if not adapter_names:
+            # no adapter to merge
+            return
+
+        for active_adapter in adapter_names:
+            if active_adapter in self.ia3_l.keys():
+                base_layer = self.get_base_layer()
+                ia3_l = transpose(self.ia3_l[active_adapter].data, self.fan_in_fan_out)
+                if safe_merge:
+                    orig_weights = base_layer.weight.data
+                    orig_weights = torch.mul(orig_weights, ia3_l)
+
+                    if not torch.isfinite(orig_weights).all():
+                        raise ValueError(
+                            f"NaNs detected in the merged weights. The adapter {active_adapter} seems to be broken"
+                        )
+                    base_layer.weight.data = orig_weights
+                else:
+                    base_layer.weight.data = torch.mul(base_layer.weight.data, ia3_l)
+
+                if not self.is_feedforward and (base_layer.bias is not None):
+                    scaling = self.ia3_l[active_adapter].reshape(base_layer.bias.shape)
+                    base_layer.bias.data = torch.mul(base_layer.bias.data, scaling.data)
+
+                self.merged_adapters.append(active_adapter)
+
+    def unmerge(self) -> None:
+        """
+        This method unmerges all merged adapter layers from the base weights.
+        """
+        if not self.merged:
+            warnings.warn("Already unmerged. Nothing to do.")
+            return
+
+        warnings.warn("Unmerge result can be inaccurate for (IA)^3.")
+        while len(self.merged_adapters) > 0:
+            active_adapter = self.merged_adapters.pop()
+            if active_adapter in self.ia3_l.keys():
+                base_layer = self.get_base_layer()
+                # Add tolerace to avoid division by zero
+                ia3_l = transpose(self.ia3_l[active_adapter].data, self.fan_in_fan_out) + 1e-8
+                base_layer.weight.data = torch.div(base_layer.weight.data, ia3_l)
+
+                if not self.is_feedforward and (base_layer.bias is not None):
+                    scaling = self.ia3_l[active_adapter].reshape(base_layer.bias.shape)
+                    base_layer.bias.data = torch.div(base_layer.bias.data, scaling.data + 1e-8)
+
+    def forward(self, x: torch.Tensor, *args: Any, **kwargs: Any) -> torch.Tensor:
+        dtype = previous_dtype = x.dtype
+
+        if self.disable_adapters:
+            if self.merged:
+                self.unmerge()
+            result = self.base_layer(x, *args, **kwargs)
+        elif self.merged:
+            result = self.base_layer(x, *args, **kwargs)
+        else:
+            ia3_scaling = 1
+            for active_adapter in self.active_adapters:
+                if active_adapter not in self.ia3_l.keys():
+                    continue
+                dtype = self.ia3_l[active_adapter].dtype
+                ia3_scaling *= self.ia3_l[active_adapter].flatten()
+
+            if self.is_feedforward:
+                x = x.to(dtype)
+                # TODO: weight.dtype can be != self.ia3_l[self.active_adapters].dtype
+                # e.g. bf16 vs fp32. Is that okay?
+                interm = (x * ia3_scaling).to(self.get_base_layer().weight.dtype)
+                result = self.base_layer(interm, *args, **kwargs)
+            else:
+                result = self.base_layer(x, *args, **kwargs)
+                result = result.to(dtype) * ia3_scaling
+
+        result = result.to(previous_dtype)
+        return result
+
+
+class Conv2d(nn.Module, IA3Layer):
+    def __init__(
+        self,
+        base_layer: nn.Module,
+        adapter_name: str,
+        fan_in_fan_out: bool = False,  # Set this to True if the layer to replace stores weight like (fan_in, fan_out)
+        is_feedforward: bool = False,  # Set to True if the layer is treated as a feedforward layer
+        init_ia3_weights: bool = True,
+        **kwargs,
+    ) -> None:
+        super().__init__()
+        IA3Layer.__init__(self, base_layer, is_feedforward=is_feedforward)
+        self.fan_in_fan_out = fan_in_fan_out
+        self._active_adapter = adapter_name
+
+        self.update_layer(adapter_name, init_ia3_weights)
+
+    def update_layer(self, adapter_name, init_ia3_weights):
+        # Actual trainable parameters
+        if self.is_feedforward:
+            weight = torch.randn((1, self.in_features, 1, 1))
+        else:
+            weight = torch.randn((1, self.out_features, 1, 1))
+        self.ia3_l[adapter_name] = nn.Parameter(weight)
+        if init_ia3_weights:
+            self.reset_ia3_parameters(adapter_name)
+        self.to(self.get_base_layer().weight.device)
+        self.set_adapter(self.active_adapters)
+
+    def merge(self, safe_merge: bool = False, adapter_names: Optional[List[str]] = None) -> None:
+        """
+        Merge the active adapter weights into the base weights
+
+        Args:
+            safe_merge (`bool`, *optional*):
+                If True, the merge operation will be performed in a copy of the original weights and check for NaNs
+                before merging the weights. This is useful if you want to check if the merge operation will produce
+                NaNs. Defaults to `False`.
+            adapter_names (`List[str]`, *optional*):
+                The list of adapter names that should be merged. If None, all active adapters will be merged. Defaults
+                to `None`.
+        """
+        adapter_names = check_adapters_to_merge(self, adapter_names)
+        if not adapter_names:
+            # no adapter to merge
+            return
+
+        for active_adapter in adapter_names:
+            if active_adapter in self.ia3_l.keys():
+                base_layer = self.get_base_layer()
+                ia3_scaling = self.ia3_l[active_adapter].data
+                if not self.is_feedforward:
+                    ia3_scaling = ia3_scaling.permute(1, 0, 2, 3)
+
+                if safe_merge:
+                    output_weight = torch.mul(base_layer.weight.data, ia3_scaling).clone()
+
+                    if not torch.isfinite(output_weight).all():
+                        raise ValueError(
+                            f"NaNs detected in the merged weights. The adapter {active_adapter} seems to be broken"
+                        )
+
+                    base_layer.weight.data = output_weight
+                else:
+                    base_layer.weight.data = torch.mul(base_layer.weight.data, ia3_scaling)
+
+                if not self.is_feedforward and (base_layer.bias is not None):
+                    scaling = self.ia3_l[active_adapter].reshape(base_layer.bias.shape)
+                    base_layer.bias.data = torch.mul(base_layer.bias.data, scaling.data)
+
+                self.merged_adapters.append(active_adapter)
+
+    def unmerge(self) -> None:
+        """
+        This method unmerges all merged adapter layers from the base weights.
+        """
+        if not self.merged:
+            warnings.warn("Already unmerged. Nothing to do.")
+            return
+
+        warnings.warn("Unmerge result can be inaccurate for (IA)^3.")
+        while len(self.merged_adapters) > 0:
+            active_adapter = self.merged_adapters.pop()
+            if active_adapter in self.ia3_l.keys():
+                base_layer = self.get_base_layer()
+                # divide by (IA)^3 vector. Add tolerace to avoid division by zero
+                ia3_scaling = self.ia3_l[active_adapter].data
+                if not self.is_feedforward:
+                    ia3_scaling = ia3_scaling.permute(1, 0, 2, 3)
+                base_layer.weight.data = torch.div(base_layer.weight.data, ia3_scaling + 1e-8)
+
+                if not self.is_feedforward and (base_layer.bias is not None):
+                    scaling = self.ia3_l[active_adapter].reshape(base_layer.bias.shape)
+                    base_layer.bias.data = torch.mul(base_layer.bias.data, scaling.data)
+
+    def forward(self, x: torch.Tensor, *args: Any, **kwargs: Any) -> torch.Tensor:
+        dtype = previous_dtype = x.dtype
+
+        if self.disable_adapters:
+            if self.merged:
+                self.unmerge()
+            result = self.base_layer(x, *args, **kwargs)
+        elif self.merged:
+            result = self.base_layer(x, *args, **kwargs)
+        else:
+            ia3_scaling = 1
+            for active_adapter in self.active_adapters:
+                if active_adapter not in self.ia3_l.keys():
+                    continue
+                dtype = self.ia3_l[active_adapter].dtype
+                ia3_scaling *= self.ia3_l[active_adapter]
+
+            if self.is_feedforward:
+                x = x.to(dtype)
+                # TODO: weight.dtype can be != self.ia3_l[self.active_adapters].dtype
+                # e.g. bf16 vs fp32. Is that okay?
+                interm = (x * ia3_scaling).to(self.get_base_layer().weight.dtype)
+                result = self.base_layer(interm, *args, **kwargs)
+            else:
+                result = self.base_layer(x, *args, **kwargs)
+                result = result.to(dtype) * ia3_scaling
+
+        result = result.to(previous_dtype)
+        return result

env-llmeval/lib/python3.10/site-packages/peft/tuners/lycoris_utils.py

@@ -0,0 +1,428 @@
+# Copyright 2023-present the HuggingFace Inc. team.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+from __future__ import annotations
+
+import warnings
+from abc import abstractmethod
+from dataclasses import dataclass, field
+from typing import Any, Optional, Union
+
+import torch
+import torch.nn as nn
+from tqdm import tqdm
+
+from peft.config import PeftConfig
+from peft.utils import (
+    ModulesToSaveWrapper,
+    _get_submodules,
+)
+
+from .tuners_utils import BaseTuner, BaseTunerLayer, check_adapters_to_merge, check_target_module_exists
+
+
+@dataclass
+class LycorisConfig(PeftConfig):
+    r"""
+    A base config for LyCORIS like adapters
+    """
+
+    rank_pattern: Optional[dict] = field(
+        default_factory=dict,
+        metadata={
+            "help": (
+                "The mapping from layer names or regexp expression to ranks which are different from the default rank specified by `r`. "
+                "For example, `{model.decoder.layers.0.encoder_attn.k_proj: 8`}"
+            )
+        },
+    )
+    alpha_pattern: Optional[dict] = field(
+        default_factory=dict,
+        metadata={
+            "help": (
+                "The mapping from layer names or regexp expression to alphas which are different from the default alpha specified by `alpha`. "
+                "For example, `{model.decoder.layers.0.encoder_attn.k_proj: 32`}"
+            )
+        },
+    )
+
+
+class LycorisLayer(BaseTunerLayer):
+    r"""
+    A base layer for LyCORIS like adapters
+    """
+
+    # adapter_layer_names needs to be defined on the child class
+    other_param_names = ("r", "alpha", "scaling", "rank_dropout", "module_dropout")
+
+    def __init__(self, base_layer: nn.Module) -> None:
+        self.base_layer = base_layer
+        self.r = {}
+        self.alpha = {}
+        self.scaling = {}
+        self.rank_dropout = {}
+        self.module_dropout = {}
+
+        # Tuner info
+        self._disable_adapters = False
+        self.merged_adapters = []
+
+    @property
+    @abstractmethod
+    def _available_adapters(self) -> set[str]:
+        ...
+
+    def _init_empty_weights(self, cls, *args, **kwargs) -> None:
+        # A helper method that allows to initialize the layer of the given class without spending time to initialize the
+        # model weights. The implementation is inspired by
+        # https://pytorch.org/docs/stable/generated/torch.nn.utils.skip_init.html but this function cannot be used
+        # directly.
+        # Instead of this approach, it would be possible to bypass the __init__ of the class but that runs the risk of
+        # omitting important logic inside that __init__.
+        kwargs = kwargs.copy()
+        final_device = kwargs.pop("device", "cpu")
+        cls.__init__(self, *args, device="meta", **kwargs)
+        self.to_empty(device=final_device)
+
+    @abstractmethod
+    def create_adapter_parameters(self, adapter_name: str, r: int, **kwargs):
+        ...
+
+    # TODO: refactor LoRA to use the same approach
+    @abstractmethod
+    def _get_delta_activations(self, adapter_name: str, x: torch.Tensor, *args: Any, **kwargs: Any) -> torch.Tensor:
+        """Activations added on top of the base layer output (i.e. after the base layer forward pass)"""
+
+    @abstractmethod
+    def get_delta_weight(self, adapter_name: str) -> torch.Tensor:
+        ...
+
+    def merge(self, safe_merge: bool = False, adapter_names: Optional[list[str]] = None) -> None:
+        """
+        Merge the active adapter weights into the base weights
+
+        Args:
+            safe_merge (`bool`, *optional*):
+                If `True`, the merge operation will be performed in a copy of the original weights and check for NaNs
+                before merging the weights. This is useful if you want to check if the merge operation will produce
+                NaNs. Defaults to `False`.
+            adapter_names (`List[str]`, *optional*):
+                The list of adapter names that should be merged. If `None`, all active adapters will be merged.
+                Defaults to `None`.
+        """
+        adapter_names = check_adapters_to_merge(self, adapter_names)
+        if not adapter_names:
+            # no adapter to merge
+            return
+
+        for active_adapter in adapter_names:
+            if active_adapter in self._available_adapters:
+                base_layer = self.get_base_layer()
+                if safe_merge:
+                    orig_weights = base_layer.weight.data.clone()
+                    orig_weights += self.get_delta_weight(active_adapter)
+
+                    if not torch.isfinite(orig_weights).all():
+                        raise ValueError(
+                            f"NaNs detected in the merged weights. The adapter {active_adapter} seems to be broken"
+                        )
+
+                    base_layer.weight.data = orig_weights
+                else:
+                    base_layer.weight.data += self.get_delta_weight(active_adapter)
+                self.merged_adapters.append(active_adapter)
+
+    @abstractmethod
+    def reset_adapter_parameters(self, adapter_name: str):
+        ...
+
+    def set_scale(self, adapter, scale):
+        if adapter not in self._available_adapters:
+            # Ignore the case where the adapter is not in the layer
+            return
+        self.scaling[adapter] = scale * self.alpha[adapter] / self.r[adapter]
+
+    def scale_layer(self, scale: float) -> None:
+        if scale == 1:
+            return
+
+        for active_adapter in self.active_adapters:
+            if active_adapter not in self._available_adapters:
+                continue
+
+            self.scaling[active_adapter] *= scale
+
+    def unmerge(self) -> None:
+        """
+        This method unmerges all merged adapter layers from the base weights.
+        """
+        if not self.merged:
+            warnings.warn("Already unmerged. Nothing to do.")
+            return
+        while len(self.merged_adapters) > 0:
+            active_adapter = self.merged_adapters.pop()
+            if active_adapter in self._available_adapters:
+                self.get_base_layer().weight.data -= self.get_delta_weight(active_adapter)
+
+    def unscale_layer(self, scale=None) -> None:
+        for active_adapter in self.active_adapters:
+            if active_adapter not in self._available_adapters:
+                continue
+
+            if scale is None:
+                self.scaling[active_adapter] = self.alpha[active_adapter] / self.r[active_adapter]
+            else:
+                self.scaling[active_adapter] /= scale
+
+    @abstractmethod
+    def update_layer(self, adapter_name: str, r: int, alpha: float, **kwargs):
+        ...
+
+
+class LycorisTuner(BaseTuner):
+    r"""
+    A base tuner for LyCORIS like adapters
+    """
+
+    prefix: str
+    layers_mapping: dict[type[torch.nn.Module], type[LycorisLayer]]
+
+    def __init__(self, model, config, adapter_name):
+        super().__init__(model, config, adapter_name)
+
+    def __getattr__(self, name: str):
+        """Forward missing attributes to the wrapped module."""
+        try:
+            return super().__getattr__(name)  # defer to nn.Module's logic
+        except AttributeError:
+            return getattr(self.model, name)
+
+    @staticmethod
+    def _check_target_module_exists(config, key):
+        return check_target_module_exists(config, key)
+
+    @abstractmethod
+    def _create_and_replace(
+        self,
+        config: LycorisConfig,
+        adapter_name: str,
+        target: Union[LycorisLayer, nn.Module],
+        target_name,
+        parent,
+        current_key,
+    ):
+        ...
+
+    @classmethod
+    def _create_new_module(cls, config: LycorisConfig, adapter_name: str, target: nn.Module, **kwargs) -> LycorisLayer:
+        # Find corresponding subtype of provided target module
+        new_module_cls = None
+        for subtype, target_cls in cls.layers_mapping.items():
+            if (
+                hasattr(target, "base_layer")
+                and isinstance(target.get_base_layer(), subtype)
+                and isinstance(target, BaseTunerLayer)
+            ):
+                # nested tuner layers are allowed
+                new_module_cls = target_cls
+                break
+            elif isinstance(target, subtype):
+                new_module_cls = target_cls
+                break
+
+        # We didn't find corresponding type, so adapter for this layer is not supported
+        if new_module_cls is None:
+            supported_modules = ", ".join(layer.__name__ for layer in cls.layers_mapping.keys())
+            raise ValueError(
+                f"Target module of type {type(target)} not supported, "
+                f"currently only adapters for {supported_modules} are supported"
+            )
+
+        if isinstance(target, BaseTunerLayer):
+            target_base_layer = target.get_base_layer()
+        else:
+            target_base_layer = target
+
+        if isinstance(target_base_layer, torch.nn.Conv2d):
+            new_module = new_module_cls(target, adapter_name=adapter_name, **kwargs)
+        elif isinstance(target_base_layer, torch.nn.Linear):
+            new_module = new_module_cls(target, adapter_name=adapter_name, **kwargs)
+        else:
+            supported_modules = ", ".join(layer.__name__ for layer in cls.layers_mapping.keys())
+            raise ValueError(
+                f"Target module of type {type(target)} not supported, "
+                f"currently only adapters for {supported_modules} are supported"
+            )
+
+        return new_module
+
+    def _mark_only_adapters_as_trainable(self, model: nn.Module) -> None:
+        for n, p in model.named_parameters():
+            if self.prefix not in n:
+                p.requires_grad = False
+
+    @staticmethod
+    def _prepare_adapter_config(peft_config, model_config):
+        if peft_config.target_modules is None:
+            raise ValueError("Please specify `target_modules` in `peft_config`")
+        return peft_config
+
+    def _replace_module(self, parent, child_name, new_module, child):
+        setattr(parent, child_name, new_module)
+        # It's not necessary to set requires_grad here, as that is handled by
+        # _mark_only_adapters_as_trainable
+
+        if not hasattr(new_module, "base_layer"):
+            new_module.weight = child.weight
+            if hasattr(child, "bias"):
+                new_module.bias = child.bias
+
+        if getattr(child, "state", None) is not None:
+            if hasattr(new_module, "base_layer"):
+                new_module.base_layer.state = child.state
+            else:
+                new_module.state = child.state
+            new_module.to(child.weight.device)
+
+        # dispatch to correct device
+        for name, module in new_module.named_modules():
+            if self.prefix in name:
+                module.to(child.weight.device)
+
+    def _set_adapter_layers(self, enabled=True):
+        for module in self.model.modules():
+            if isinstance(module, (BaseTunerLayer, ModulesToSaveWrapper)):
+                module.enable_adapters(enabled)
+
+    def _unload_and_optionally_merge(
+        self,
+        merge: bool = True,
+        progressbar: bool = False,
+        safe_merge: bool = False,
+        adapter_names: Optional[list[str]] = None,
+    ):
+        if merge:
+            if getattr(self.model, "quantization_method", None) == "gptq":
+                raise ValueError("Cannot merge LOHA layers when the model is gptq quantized")
+
+        self._unloading_checks(adapter_names)
+        key_list = [key for key, _ in self.model.named_modules() if self.prefix not in key]
+        desc = "Unloading " + ("and merging " if merge else "") + "model"
+        for key in tqdm(key_list, disable=not progressbar, desc=desc):
+            try:
+                parent, target, target_name = _get_submodules(self.model, key)
+            except AttributeError:
+                continue
+
+            if hasattr(target, "base_layer"):
+                if merge:
+                    target.merge(safe_merge=safe_merge, adapter_names=adapter_names)
+                self._replace_module(parent, target_name, target.get_base_layer(), target)
+            elif isinstance(target, ModulesToSaveWrapper):
+                # save any additional trainable modules part of `modules_to_save`
+                new_module = target.modules_to_save[target.active_adapter]
+                if hasattr(new_module, "base_layer"):
+                    # check if the module is itself a tuner layer
+                    if merge:
+                        new_module.merge(safe_merge=safe_merge, adapter_names=adapter_names)
+                    new_module = new_module.get_base_layer()
+                setattr(parent, target_name, new_module)
+
+        return self.model
+
+    def enable_adapter_layers(self) -> None:
+        """Enable all adapters.
+
+        Call this if you have previously disabled all adapters and want to re-enable them.
+        """
+        self._set_adapter_layers(enabled=True)
+
+    def disable_adapter_layers(self) -> None:
+        """Disable all adapters.
+
+        When disabling all adapters, the model output corresponds to the output of the base model.
+        """
+        self._set_adapter_layers(enabled=False)
+
+    def merge_and_unload(
+        self, progressbar: bool = False, safe_merge: bool = False, adapter_names: Optional[list[str]] = None
+    ) -> torch.nn.Module:
+        r"""
+        This method merges the adapter layers into the base model. This is needed if someone wants to use the base
+        model as a standalone model.
+
+        Args:
+            progressbar (`bool`):
+                whether to show a progressbar indicating the unload and merge process
+            safe_merge (`bool`):
+                whether to activate the safe merging check to check if there is any potential Nan in the adapter
+                weights
+            adapter_names (`List[str]`, *optional*):
+                The list of adapter names that should be merged. If None, all active adapters will be merged. Defaults
+                to `None`.
+
+        """
+        return self._unload_and_optionally_merge(
+            progressbar=progressbar, safe_merge=safe_merge, adapter_names=adapter_names
+        )
+
+    def unload(self) -> torch.nn.Module:
+        """
+        Gets back the base model by removing all the lora modules without merging. This gives back the original base
+        model.
+        """
+        return self._unload_and_optionally_merge(merge=False)
+
+    def set_adapter(self, adapter_name: str | list[str]) -> None:
+        """Set the active adapter(s).
+
+        Additionally, this function will set the specified adapters to trainable (i.e., requires_grad=True). If this is
+        not desired, use the following code.
+
+        ```py
+        >>> for name, param in model_peft.named_parameters():
+        ...     if ...:  # some check on name (ex. if 'lora' in name)
+        ...         param.requires_grad = False
+        ```
+
+        Args:
+            adapter_name (`str` or `list[str]`): Name of the adapter(s) to be activated.
+        """
+        for module in self.model.modules():
+            if isinstance(module, LycorisLayer):
+                if module.merged:
+                    warnings.warn("Adapter cannot be set when the model is merged. Unmerging the model first.")
+                    module.unmerge()
+                module.set_adapter(adapter_name)
+
+    def delete_adapter(self, adapter_name: str) -> None:
+        """
+        Deletes an existing adapter.
+
+        Args:
+            adapter_name (`str`): Name of the adapter to be deleted.
+        """
+        if adapter_name not in list(self.peft_config.keys()):
+            raise ValueError(f"Adapter {adapter_name} does not exist")
+        del self.peft_config[adapter_name]
+
+        key_list = [key for key, _ in self.model.named_modules() if self.prefix not in key]
+        new_adapter = None
+        for key in key_list:
+            _, target, _ = _get_submodules(self.model, key)
+            if isinstance(target, LycorisLayer):
+                target.delete_adapter(adapter_name)
+                if new_adapter is None:
+                    new_adapter = target.active_adapters[:]
+
+        self.active_adapter = new_adapter or []

env-llmeval/lib/python3.10/site-packages/peft/tuners/multitask_prompt_tuning/__init__.py

@@ -0,0 +1,19 @@
+# Copyright 2023-present the HuggingFace Inc. team.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from .config import MultitaskPromptTuningConfig, MultitaskPromptTuningInit
+from .model import MultitaskPromptEmbedding
+
+
+__all__ = ["MultitaskPromptTuningConfig", "MultitaskPromptTuningInit", "MultitaskPromptEmbedding"]

env-llmeval/lib/python3.10/site-packages/peft/tuners/multitask_prompt_tuning/config.py

@@ -0,0 +1,61 @@
+# Copyright 2023-present the HuggingFace Inc. team.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import enum
+from dataclasses import dataclass, field
+from typing import Optional, Union
+
+from peft.tuners.prompt_tuning import PromptTuningConfig
+from peft.utils import PeftType
+
+
+class MultitaskPromptTuningInit(str, enum.Enum):
+    # initialize prompt with text
+    TEXT = "TEXT"
+    # initialize prompt with random matrix
+    RANDOM = "RANDOM"
+    # average the prefix and column matrices obtained during source training
+    AVERAGE_SOURCE_TASKS = "AVERAGE_SOURCE_TASKS"
+    # pick prefix and column matrices for a particular task obtained during source training
+    EXACT_SOURCE_TASK = "EXACT_SOURCE_TASK"
+    # only use the prompt embeddings trained during source training
+    ONLY_SOURCE_SHARED = "ONLY_SOURCE_SHARED"
+
+
+@dataclass
+class MultitaskPromptTuningConfig(PromptTuningConfig):
+    prompt_tuning_init: Union[MultitaskPromptTuningInit, str] = field(
+        default=MultitaskPromptTuningInit.RANDOM,
+        metadata={
+            "help": (
+                "How to initialize the prompt tuning parameters. Can be one of TEXT, RANDOM, AVERAGE_SOURCE_TASKS, "
+                "EXACT_SOURCE_TASK, ONLY_SOURCE_SHARED."
+            ),
+        },
+    )
+    prompt_tuning_init_state_dict_path: Optional[str] = field(
+        default=None,
+        metadata={
+            "help": (
+                "The path of source state dict. This is required when training the downstream target prompt from "
+                "the pretrained source prompt"
+            ),
+        },
+    )
+    prompt_tuning_init_task: Optional[int] = field(default=0, metadata={"help": "source task id for initialization"})
+    num_ranks: Optional[int] = field(default=1, metadata={"help": "ranks"})
+    num_tasks: Optional[int] = field(default=1, metadata={"help": "number of tasks"})
+
+    def __post_init__(self):
+        self.peft_type = PeftType.MULTITASK_PROMPT_TUNING

env-llmeval/lib/python3.10/site-packages/peft/tuners/multitask_prompt_tuning/model.py

@@ -0,0 +1,115 @@
+# Copyright 2023-present the HuggingFace Inc. team.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import torch
+
+from peft.tuners.prompt_tuning import PromptEmbedding
+from peft.utils import TaskType
+
+from .config import MultitaskPromptTuningConfig, MultitaskPromptTuningInit
+
+
+# This code is adapted for the paper: https://arxiv.org/abs/2303.02861 and
+# constitutes the work done at MIT-IBM Watson Research Lab.
+
+
+class MultitaskPromptEmbedding(PromptEmbedding):
+    def __init__(self, config: MultitaskPromptTuningConfig, word_embeddings):
+        super().__init__(config, word_embeddings)
+
+        self.num_tasks = config.num_tasks
+        self.num_ranks = config.num_ranks
+        self.num_virtual_tokens = config.num_virtual_tokens
+
+        self.num_transformer_submodules = config.num_transformer_submodules
+        if self.num_transformer_submodules is None:
+            self.num_transformer_submodules = 2 if config.task_type == TaskType.SEQ_2_SEQ_LM else 1
+
+        self.token_dim = config.token_dim
+
+        total_virtual_tokens = self.num_virtual_tokens * self.num_transformer_submodules
+
+        self.prefix_task_cols = torch.nn.Parameter(
+            torch.normal(
+                mean=0,
+                std=0.02,
+                size=(self.num_tasks, total_virtual_tokens, self.num_ranks),
+            )
+        )
+        self.prefix_task_rows = torch.nn.Parameter(
+            torch.normal(
+                mean=0,
+                std=0.02,
+                size=(self.num_tasks, self.num_ranks, self.token_dim),
+            )
+        )
+
+        if config.prompt_tuning_init in [
+            MultitaskPromptTuningInit.AVERAGE_SOURCE_TASKS,
+            MultitaskPromptTuningInit.EXACT_SOURCE_TASK,
+            MultitaskPromptTuningInit.ONLY_SOURCE_SHARED,
+        ]:
+            if config.prompt_tuning_init_state_dict_path is None:
+                raise ValueError(
+                    f"prompt_tuning_init_state_dict_path needs to be specified with {config.prompt_tuning_init} "
+                    "init method"
+                )
+
+            # TODO: There should be an option for safetensors
+            state_dict: dict = torch.load(
+                config.prompt_tuning_init_state_dict_path,
+                map_location=word_embeddings.weight.device,
+            )
+
+        if config.prompt_tuning_init in [
+            MultitaskPromptTuningInit.AVERAGE_SOURCE_TASKS,
+            MultitaskPromptTuningInit.EXACT_SOURCE_TASK,
+        ]:
+            prefix_task_cols_: torch.Tensor = state_dict["prefix_task_cols"]
+            prefix_task_rows_: torch.Tensor = state_dict["prefix_task_rows"]
+
+            if config.prompt_tuning_init == MultitaskPromptTuningInit.AVERAGE_SOURCE_TASKS:
+                prefix_task_cols_ = prefix_task_cols_.mean(0, keepdim=True)
+                prefix_task_rows_ = prefix_task_rows_.mean(0, keepdim=True)
+            elif config.prompt_tuning_init == MultitaskPromptTuningInit.EXACT_SOURCE_TASK:
+                prefix_task_cols_ = prefix_task_cols_[config.prompt_tuning_init_task, ...].unsqueeze(0)
+                prefix_task_rows_ = prefix_task_rows_[config.prompt_tuning_init_task, ...].unsqueeze(0)
+
+            state_dict = {
+                "embedding.weight": state_dict["prompt_embeddings"],
+                "prefix_task_cols": prefix_task_cols_,
+                "prefix_task_rows": prefix_task_rows_,
+            }
+
+            self.load_state_dict(state_dict, strict=True)
+        elif config.prompt_tuning_init == MultitaskPromptTuningInit.ONLY_SOURCE_SHARED:
+            state_dict = {
+                "embedding.weight": state_dict["prompt_embeddings"],
+            }
+
+            self.load_state_dict(state_dict, strict=False)
+
+    def forward(self, indices, task_ids):
+        if task_ids is None:
+            raise ValueError("task_ids cannot be None")
+
+        prompt_embeddings = self.embedding(indices)
+
+        task_cols = torch.index_select(self.prefix_task_cols, 0, task_ids)
+        task_rows = torch.index_select(self.prefix_task_rows, 0, task_ids)
+        task_prompts = torch.matmul(task_cols, task_rows)
+
+        prompt_embeddings *= task_prompts
+
+        return prompt_embeddings

env-llmeval/lib/python3.10/site-packages/peft/tuners/poly/__init__.py

@@ -0,0 +1,20 @@
+# Copyright 2023-present the HuggingFace Inc. team.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from .config import PolyConfig
+from .layer import Linear, PolyLayer
+from .model import PolyModel
+
+
+__all__ = ["Linear", "PolyConfig", "PolyLayer", "PolyModel"]