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35 lines
1.2 KiB
35 lines
1.2 KiB
from .builder import Builder
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from .utils import append_nvcc_threads
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class ScaledMaskedSoftmaxBuilder(Builder):
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NAME = "scaled_masked_softmax"
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PREBUILT_IMPORT_PATH = "colossalai._C.scaled_masked_softmax"
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def __init__(self):
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super().__init__(
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name=ScaledMaskedSoftmaxBuilder.NAME, prebuilt_import_path=ScaledMaskedSoftmaxBuilder.PREBUILT_IMPORT_PATH
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)
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# necessary 4 functions
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def sources_files(self):
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ret = [self.csrc_abs_path(fname) for fname in ["scaled_masked_softmax.cpp", "scaled_masked_softmax_cuda.cu"]]
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return ret
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def include_dirs(self):
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return [self.csrc_abs_path("kernels/include"), self.get_cuda_home_include()]
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def cxx_flags(self):
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return ["-O3"] + self.version_dependent_macros
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def nvcc_flags(self):
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extra_cuda_flags = [
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"-std=c++14",
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"-U__CUDA_NO_HALF_OPERATORS__",
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"-U__CUDA_NO_HALF_CONVERSIONS__",
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"-U__CUDA_NO_HALF2_OPERATORS__",
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"-DTHRUST_IGNORE_CUB_VERSION_CHECK",
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]
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ret = ["-O3", "--use_fast_math"] + self.version_dependent_macros + extra_cuda_flags
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return append_nvcc_threads(ret)
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