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Fix error message on TORCH_CUDA_ARCH_LIST #1239

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Merged
merged 2 commits into from
Oct 14, 2023
Merged

Fix error message on TORCH_CUDA_ARCH_LIST #1239

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cd25a26
Fix error msg
WoosukKwon Oct 1, 2023
03e2f9e
Fix err msg
WoosukKwon Oct 13, 2023
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9 changes: 5 additions & 4 deletions setup.py
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Original file line number Diff line number Diff line change
Expand Up @@ -50,16 +50,17 @@ def get_torch_arch_list() -> Set[str]:
# not give the best performance on the newer architectures, it provides
# forward compatibility.
valid_arch_strs = SUPPORTED_ARCHS + [s + "+PTX" for s in SUPPORTED_ARCHS]
arch_list = os.environ.get("TORCH_CUDA_ARCH_LIST", None)
if arch_list is None:
env_arch_list = os.environ.get("TORCH_CUDA_ARCH_LIST", None)
if env_arch_list is None:
return set()

# List are separated by ; or space.
arch_list = arch_list.replace(" ", ";").split(";")
arch_list = env_arch_list.replace(" ", ";").split(";")
for arch in arch_list:
if arch not in valid_arch_strs:
raise ValueError(
f"Unsupported CUDA arch ({arch}). "
f"Unsupported CUDA arch ({arch}) is included in the "
f"`TORCH_CUDA_ARCH_LIST` env variable ({env_arch_list}). "
f"Valid CUDA arch strings are: {valid_arch_strs}.")
return set(arch_list)

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