ColossalAI/extensions/softmax/scaled_masked_softmax_cuda.py

33 lines
1.0 KiB
Python

from ..cuda_extension import _CudaExtension
from ..utils import append_nvcc_threads
class ScaledMaskedSoftmaxCudaExtension(_CudaExtension):
def __init__(self):
super().__init__(name="scaled_masked_softmax_cuda")
def sources_files(self):
ret = [
self.csrc_abs_path(fname)
for fname in ["cuda/scaled_masked_softmax.cpp", "cuda/scaled_masked_softmax_cuda.cu"]
]
return ret
def include_dirs(self):
return [self.get_cuda_home_include()]
def cxx_flags(self):
return ["-O3"] + self.version_dependent_macros
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)