mirror of https://github.com/hpcaitech/ColossalAI
21 lines
739 B
Python
21 lines
739 B
Python
import subprocess
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def get_cuda_bare_metal_version(cuda_dir):
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raw_output = subprocess.check_output([cuda_dir + "/bin/nvcc", "-V"], universal_newlines=True)
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output = raw_output.split()
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release_idx = output.index("release") + 1
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release = output[release_idx].split(".")
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bare_metal_major = release[0]
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bare_metal_minor = release[1][0]
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return raw_output, bare_metal_major, bare_metal_minor
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def append_nvcc_threads(nvcc_extra_args):
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from torch.utils.cpp_extension import CUDA_HOME
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_, bare_metal_major, bare_metal_minor = get_cuda_bare_metal_version(CUDA_HOME)
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if int(bare_metal_major) >= 11 and int(bare_metal_minor) >= 2:
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return nvcc_extra_args + ["--threads", "4"]
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return nvcc_extra_args
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