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# Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
#
# This source code is licensed under the BSD license found in the
# LICENSE file in the root directory of this source tree.
import argparse
import os
import shutil
import subprocess
from dataclasses import dataclass
from pathlib import Path
from typing import List
THIS_PATH = Path(__file__).resolve()
SOURCE_ROOT_DIR = THIS_PATH.parents[1]
@dataclass
class Build:
"""
Represents one configuration of a build, i.e.
a set of versions of dependent libraries.
Members:
conda_always_copy: avoids hard linking which can behave weirdly.
conda_debug: get added information about package search
conda_dirty: see intermediate files after build
build_inside_tree: output in build/ not ../build
is_release: whether this is an official versioned release
"""
python_version: str
pytorch_version: str
pytorch_channel: str
cuda_version: str
cuda_dep_runtime: str
conda_always_copy: bool = True
conda_debug: bool = False
conda_dirty: bool = False
build_inside_tree: bool = False
def _set_env_for_build(self) -> None:
"""
NOTE: Variables set here won't be visible in `setup.py`
UNLESS they are also specified in meta.yaml
"""
assert (
"BUILD_VERSION" in os.environ
), "BUILD_VERSION must be set as env variable"
tag = subprocess.check_output(
["git", "rev-parse", "--short", "HEAD"], text=True
).strip()
os.environ["GIT_TAG"] = tag
os.environ["PYTORCH_VERSION"] = self.pytorch_version
os.environ["CU_VERSION"] = self.cuda_version
os.environ["SOURCE_ROOT_DIR"] = str(SOURCE_ROOT_DIR)
# At build time, the same major/minor (otherwise we might get a CPU pytorch ...)
cuda_constraint_build = "=" + ".".join(self.cuda_version.split(".")[:2])
pytorch_version_tuple = tuple(
int(v) for v in self.pytorch_version.split(".")[:2]
)
if pytorch_version_tuple < (1, 13):
os.environ[
"CONDA_CUDA_CONSTRAINT_BUILD"
] = f"cudatoolkit{cuda_constraint_build}"
os.environ[
"CONDA_CUDA_CONSTRAINT_RUN"
] = f"cudatoolkit{self.cuda_dep_runtime}"
else:
os.environ[
"CONDA_CUDA_CONSTRAINT_BUILD"
] = f"pytorch-cuda{cuda_constraint_build}"
os.environ[
"CONDA_CUDA_CONSTRAINT_RUN"
] = f"pytorch-cuda{self.cuda_dep_runtime}"
if self.conda_always_copy:
os.environ["CONDA_ALWAYS_COPY"] = "true"
def _get_build_args(self) -> List[str]:
args = [
"conda",
"build",
"-c",
self.pytorch_channel,
"-c",
"nvidia",
"--python",
self.python_version,
"--no-anaconda-upload",
]
if self.conda_debug:
args += ["--debug"]
if self.conda_dirty:
args += ["--dirty"]
if not self.build_inside_tree:
args += ["--croot", "../build"]
return args + ["packaging/xformers"]
def do_build(self) -> None:
self._set_env_for_build()
args = self._get_build_args()
print(args)
subprocess.check_call(args)
def move_artifacts_to_store(self, store_pytorch_package: bool) -> None:
"""
Run after a build to move the built package, and, if using nightly, the
used PyTorch package, to a location where they will be recognized
as build artifacts.
"""
print("moving artifacts")
assert not self.build_inside_tree
artifacts = Path("packages")
artifacts.mkdir(exist_ok=True)
for filename in Path("../build/linux-64").resolve().glob("*.tar.bz2"):
print("moving", filename, "to", artifacts)
shutil.move(filename, artifacts)
if store_pytorch_package:
for filename in Path("/opt/conda/pkgs").glob("pytorch-[12].*.tar.bz2"):
print("moving", filename, "to", artifacts)
shutil.move(filename, artifacts)
if __name__ == "__main__":
parser = argparse.ArgumentParser(description="Build the conda package.")
parser.add_argument(
"--python", metavar="3.X", required=True, help="python version e.g. 3.10"
)
parser.add_argument(
"--cuda-dep-runtime", metavar="1X.Y", required=True, help="eg '>=11.7,<11.9"
)
parser.add_argument(
"--cuda", metavar="1X.Y", required=True, help="cuda version e.g. 11.3"
)
parser.add_argument(
"--pytorch", metavar="1.Y.Z", required=True, help="PyTorch version e.g. 1.11.0"
)
parser.add_argument(
"--build-inside-tree",
action="store_true",
help="Build in build/ instead of ../build/",
)
parser.add_argument(
"--store",
action="store_true",
help="position artifact to store",
)
parser.add_argument(
"--store-pytorch-package",
action="store_true",
help="position artifact to store",
)
parser.add_argument(
"--pytorch-channel", default="pytorch", help="Use 'pytorch-nightly' for nightly"
)
args = parser.parse_args()
pkg = Build(
pytorch_channel=args.pytorch_channel,
python_version=args.python,
pytorch_version=args.pytorch,
cuda_version=args.cuda,
build_inside_tree=args.build_inside_tree,
cuda_dep_runtime=args.cuda_dep_runtime,
)
pkg.do_build()
pkg.move_artifacts_to_store(store_pytorch_package=args.store_pytorch_package)
# python packaging/conda/build_conda.py --cuda 11.6 --python 3.10 --pytorch 1.12.1
# python packaging/conda/build_conda.py --cuda 11.3 --python 3.9 --pytorch 1.12.1 # <= the dino one
# python packaging/conda/build_conda.py --cuda 11.6 --python 3.10 --pytorch 1.11.0
# Note this does the build outside the root of the tree.
# TODO:
# - Make a local conda package cache available inside docker
# - do we need builds for both _GLIBCXX_USE_CXX11_ABI values?
# - how to prevent some cpu only builds of pytorch from being discovered?
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