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build flash-attn whl (PaddlePaddle#33)
* simplify code * add files * fix python version * windows fixed * del time
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| env_dict = { | ||
| 'CMAKE_BINARY_DIR': '@CMAKE_BINARY_DIR@' | ||
| } |
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| # Copyright (c) 2024 PaddlePaddle Authors. All Rights Reserved. | ||
| # | ||
| # 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. | ||
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| # Adapted from https://github.com/NVIDIA/apex/blob/master/setup.py | ||
| import ast | ||
| import os | ||
| import re | ||
| import subprocess | ||
| import sys | ||
| from pathlib import Path | ||
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| from env_dict import env_dict | ||
| from setuptools import setup | ||
| from wheel.bdist_wheel import bdist_wheel as _bdist_wheel | ||
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| with open("../../README.md", "r", encoding="utf-8") as fh: | ||
| long_description = fh.read() | ||
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| cur_dir = os.path.dirname(os.path.abspath(__file__)) | ||
| PACKAGE_NAME = "paddle-flash-attn" | ||
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| def get_platform(): | ||
| """ | ||
| Returns the platform name as used in wheel filenames. | ||
| """ | ||
| if sys.platform.startswith('linux'): | ||
| return 'linux_x86_64' | ||
| elif sys.platform == 'win32': | ||
| return 'win_amd64' | ||
| else: | ||
| raise ValueError(f'Unsupported platform: {sys.platform}') | ||
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| def get_cuda_version(): | ||
| try: | ||
| result = subprocess.run( | ||
| ['nvcc', '--version'], | ||
| stdout=subprocess.PIPE, | ||
| stderr=subprocess.PIPE, | ||
| text=True, | ||
| ) | ||
| if result.returncode == 0: | ||
| output_lines = result.stdout.split('\n') | ||
| for line in output_lines: | ||
| if line.startswith('Cuda compilation tools'): | ||
| cuda_version = ( | ||
| line.split('release')[1].strip().split(',')[0] | ||
| ) | ||
| return cuda_version | ||
| else: | ||
| print("Error:", result.stderr) | ||
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| except Exception as e: | ||
| print("Error:", str(e)) | ||
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| return None | ||
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| def get_package_version(): | ||
| with open(Path(cur_dir) / "../flash_attn" / "__init__.py", "r") as f: | ||
| version_match = re.search( | ||
| r"^__version__\s*=\s*(.*)$", f.read(), re.MULTILINE | ||
| ) | ||
| public_version = ast.literal_eval(version_match.group(1)) | ||
| local_version = os.environ.get("FLASH_ATTN_LOCAL_VERSION") | ||
| if local_version: | ||
| return f"{public_version}+{local_version}" | ||
| else: | ||
| return str(public_version) | ||
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| def get_package_data(): | ||
| binary_dir = env_dict.get("CMAKE_BINARY_DIR") | ||
| lib = os.path.join( | ||
| os.path.abspath(os.path.dirname(__file__)), | ||
| binary_dir + '/paddle_flash_attn/*', | ||
| ) | ||
| package_data = {'paddle_flash_attn': [lib]} | ||
| return package_data | ||
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| class CustomWheelsCommand(_bdist_wheel): | ||
| """ | ||
| The CachedWheelsCommand plugs into the default bdist wheel, which is ran by pip when it cannot | ||
| find an existing wheel (which is currently the case for all flash attention installs). We use | ||
| the environment parameters to detect whether there is already a pre-built version of a compatible | ||
| wheel available and short-circuits the standard full build pipeline. | ||
| """ | ||
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| def run(self): | ||
| self.run_command('build_ext') | ||
| super().run() | ||
| cuda_version = get_cuda_version() | ||
| python_version = f"cp{sys.version_info.major}{sys.version_info.minor}" | ||
| platform_name = get_platform() | ||
| flash_version = get_package_version() | ||
| wheel_name = 'paddle_flash_attn' | ||
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| # Determine wheel URL based on CUDA version, python version and OS | ||
| impl_tag, abi_tag, plat_tag = self.get_tag() | ||
| archive_basename = ( | ||
| f"{self.wheel_dist_name}-{impl_tag}-{abi_tag}-{plat_tag}" | ||
| ) | ||
| wheel_path = os.path.join(self.dist_dir, archive_basename + ".whl") | ||
| print("Raw wheel path", wheel_path) | ||
| wheel_filename = f'{wheel_name}-{flash_version}+cu{cuda_version}-{impl_tag}-{abi_tag}-{platform_name}.whl' | ||
| os.rename(wheel_path, os.path.join(self.dist_dir, wheel_filename)) | ||
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| setup( | ||
| name=PACKAGE_NAME, | ||
| version=get_package_version(), | ||
| packages=['paddle_flash_attn'], | ||
| package_data=get_package_data(), | ||
| author_email="Paddle-better@baidu.com", | ||
| description="Flash Attention: Fast and Memory-Efficient Exact Attention", | ||
| long_description=long_description, | ||
| long_description_content_type="text/markdown", | ||
| url="https://github.com/PaddlePaddle/flash-attention", | ||
| classifiers=[ | ||
| "Programming Language :: Python :: 3", | ||
| "License :: OSI Approved :: BSD License", | ||
| "Operating System :: Unix", | ||
| ], | ||
| cmdclass={ | ||
| 'bdist_wheel': CustomWheelsCommand, | ||
| }, | ||
| python_requires=">=3.7", | ||
| ) |