ColossalAI/colossalai/kernel/extensions/cpu_adam/x86_extension.py

66 lines
1.9 KiB
Python

from ..base_extension import BaseExtension
from ..extension_builder import ExtensionBuilder
from ..utils import append_nvcc_threads
class X86CPUAdamExtension(BaseExtension):
def __init__(self) -> None:
super().__init__()
self.kernel_builder = X86CPUAdamBuilder()
self._requires_build = False
@property
def requires_build(self) -> bool:
return self._requires_build
def build(self):
self.kernel_builder.build()
self._requires_build = True
def load(self):
return self.kernel_builder.load()
class X86CPUAdamBuilder(ExtensionBuilder):
NAME = "cpu_adam"
PREBUILT_IMPORT_PATH = "colossalai._C.cpu_adam"
def __init__(self):
super().__init__(name=X86CPUAdamBuilder.NAME, prebuilt_import_path=X86CPUAdamBuilder.PREBUILT_IMPORT_PATH)
self.version_dependent_macros = ["-DVERSION_GE_1_1", "-DVERSION_GE_1_3", "-DVERSION_GE_1_5"]
# necessary 4 functions
def sources_files(self):
ret = [
self.csrc_abs_path("cpu_adam.cpp"),
]
return ret
def include_dirs(self):
return [self.csrc_abs_path("includes"), self.get_cuda_home_include()]
def cxx_flags(self):
extra_cxx_flags = [
"-std=c++14",
"-std=c++17",
"-lcudart",
"-lcublas",
"-g",
"-Wno-reorder",
"-fopenmp",
"-march=native",
]
return ["-O3"] + self.version_dependent_macros + extra_cxx_flags
def nvcc_flags(self):
extra_cuda_flags = [
"-std=c++14",
"-std=c++17",
"-U__CUDA_NO_HALF_OPERATORS__",
"-U__CUDA_NO_HALF_CONVERSIONS__",
"-U__CUDA_NO_HALF2_OPERATORS__",
"-DTHRUST_IGNORE_CUB_VERSION_CHECK",
]
ret = ["-O3", "--use_fast_math"] + self.version_dependent_macros + extra_cuda_flags
return append_nvcc_threads(ret)