wehub-resource-sync
105 lines
3.8 KiB
Python
105 lines
3.8 KiB
Python
# Copyright (c) Microsoft Corporation.
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# SPDX-License-Identifier: Apache-2.0
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# DeepSpeed Team
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import shutil
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import subprocess
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from .builder import NPUOpBuilder
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class AsyncIOBuilder(NPUOpBuilder):
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BUILD_VAR = "DS_BUILD_AIO"
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NAME = "async_io"
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def __init__(self):
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super().__init__(name=self.NAME)
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def absolute_name(self):
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return f'deepspeed.ops.aio.{self.NAME}_op'
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def sources(self):
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return [
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'csrc/aio/py_lib/deepspeed_py_copy.cpp', 'csrc/aio/py_lib/py_ds_aio.cpp',
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'csrc/aio/py_lib/deepspeed_py_aio.cpp', 'csrc/aio/py_lib/deepspeed_py_aio_handle.cpp',
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'csrc/aio/py_lib/deepspeed_aio_thread.cpp', 'csrc/aio/common/deepspeed_aio_utils.cpp',
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'csrc/aio/common/deepspeed_aio_common.cpp', 'csrc/aio/common/deepspeed_aio_types.cpp',
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'csrc/aio/py_lib/deepspeed_pin_tensor.cpp', 'csrc/aio/py_lib/deepspeed_py_io_handle.cpp',
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'csrc/aio/py_lib/deepspeed_aio_op_desc.cpp', 'csrc/aio/py_lib/deepspeed_cpu_op.cpp'
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]
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def include_paths(self):
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args = super().include_paths()
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args += ['csrc/aio/py_lib', 'csrc/aio/common']
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return args
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def cxx_args(self):
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args = super().cxx_args()
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# -O0 for improved debugging, since performance is bound by I/O
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CPU_ARCH = self.cpu_arch()
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SIMD_WIDTH = self.simd_width()
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import torch # Keep this import here to avoid errors when building DeepSpeed wheel without torch installed
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TORCH_MAJOR, TORCH_MINOR = map(int, torch.__version__.split('.')[0:2])
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if TORCH_MAJOR >= 2 and TORCH_MINOR >= 1:
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CPP_STD = '-std=c++17'
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else:
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CPP_STD = '-std=c++14'
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return args + [
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'-g',
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'-Wall',
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'-O0',
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CPP_STD,
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'-shared',
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'-fPIC',
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'-Wno-reorder',
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CPU_ARCH,
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'-fopenmp',
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SIMD_WIDTH,
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'-laio',
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]
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def extra_ldflags(self):
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args = super().extra_ldflags()
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return args + ['-laio']
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def check_for_libaio_pkg(self):
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libs = dict(
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dpkg=["-l", "libaio-dev", "apt"],
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pacman=["-Q", "libaio", "pacman"],
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rpm=["-q", "libaio-devel", "yum"],
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)
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found = False
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for pkgmgr, data in libs.items():
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flag, lib, tool = data
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path = shutil.which(pkgmgr)
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if path is not None:
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cmd = [pkgmgr, flag, lib]
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result = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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if result.wait() == 0:
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found = True
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else:
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self.warning(f"{self.NAME}: please install the {lib} package with {tool}")
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break
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return found
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def is_compatible(self, verbose=False):
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# Check for the existence of libaio by using distutils
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# to compile and link a test program that calls io_submit,
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# which is a function provided by libaio that is used in the async_io op.
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# If needed, one can define -I and -L entries in CFLAGS and LDFLAGS
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# respectively to specify the directories for libaio.h and libaio.so.
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aio_compatible = self.has_function('io_pgetevents', ('aio', ))
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if verbose and not aio_compatible:
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self.warning(f"{self.NAME} requires the dev libaio .so object and headers but these were not found.")
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# Check for the libaio package via known package managers
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# to print suggestions on which package to install.
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self.check_for_libaio_pkg()
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self.warning(
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"If libaio is already installed (perhaps from source), try setting the CFLAGS and LDFLAGS environment variables to where it can be found."
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)
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return super().is_compatible(verbose) and aio_compatible
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