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# SPDX-FileCopyrightText: Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# SPDX-License-Identifier: Apache-2.0
#
# 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.
"""Default config for cosmos_ar project."""
import os
from typing import Any, List
import attrs
from cosmos_predict1.autoregressive.configs.registry import register_configs
from cosmos_predict1.autoregressive.trainer import Trainer
from cosmos_predict1.utils import config, log
from cosmos_predict1.utils.config_helper import import_all_modules_from_package
@attrs.define(slots=False)
class Config(config.Config):
defaults: List[Any] = attrs.field(
factory=lambda: [
"_self_",
{"model": None},
{"data_train": "mock_video"},
{"data_val": None},
{"optimizer": "fused_adamw"},
{"scheduler": "warmup_cosine_lr"},
{"checkpoint": "local"},
{"callbacks": "basic"},
{"global_config": None},
{"experiment": None},
]
)
def validate(self) -> None:
"""Validate that the config has all required fields."""
assert self.job.project != "", "job.project is not set"
assert self.job.group != "", "job.group is not set"
assert self.job.name != "", "job.name is not set"
log.info("Validating config for cosmos_autoregressive job")
# FSDP config check
if self.model.model_config.fsdp_enabled:
assert self.trainer.distributed_parallelism == "fsdp"
else:
assert self.trainer.distributed_parallelism == "ddp"
# Transformer Engine config check
if self.model.model_config.backend == "transformer_engine":
assert (
"NVTE_FLASH_ATTN" in os.environ and os.environ["NVTE_FLASH_ATTN"] == "1"
) # Enable Flash attention for transformer engine
# TP, CP config check
if self.model_parallel is not None:
if self.model_parallel.context_parallel_size > 1:
assert (
self.model.model_config.backend == "transformer_engine"
), "Context parallelism is only supported in transformer engine."
if self.model_parallel.tensor_model_parallel_size > 1:
assert (
self.model.model_config.set_parallel_mode
), "Tensor model parallelism is only supported in parallel mode."
if self.model_parallel.sequence_parallel:
assert (
self.model_parallel.tensor_model_parallel_size > 1
), "Sequence parallelism is only supported in tensor model parallelism."
assert (
self.model.model_config.backend == "transformer_engine"
), "Sequence parallelism is only supported in transformer engine."
def make_config():
c = Config(
model=None,
optimizer=None,
scheduler=None,
dataloader_train=None,
dataloader_val=None,
checkpoint=None,
)
c.job.project = "cosmos_autoregressive"
c.job.group = "debug"
c.job.name = "default_${now:%Y-%m-%d}_${now:%H-%M-%S}"
c.trainer.type = Trainer
c.trainer.run_validation = True
c.trainer.seed = 0
c.trainer.max_iter = 10
c.trainer.logging_iter = 1
c.trainer.callbacks = None
register_configs()
# experiment config are defined in the experiment folder
# call import_all_modules_from_package to register them
import_all_modules_from_package("cosmos_predict1.autoregressive.configs.experiment")
return c