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add correct arch info for hopper platform #149

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Merged
merged 1 commit into from
Sep 5, 2025
Merged

add correct arch info for hopper platform #149

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4 changes: 3 additions & 1 deletion pyproject.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,9 @@ requires = [
"wheel",
"packaging",
"psutil",
"ninja"
"ninja",
"scikit-build-core>=0.10",
"torch>=2.8.0",
]
build-backend = "setuptools.build_meta"

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3 changes: 2 additions & 1 deletion setup.py
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Expand Up @@ -76,7 +76,7 @@ def should_skip_cuda_build():

@functools.lru_cache(maxsize=None)
def cuda_archs():
return os.getenv("FLASH_DMATTN_CUDA_ARCHS", "80;86,89,90;100;120").split(";")
return os.getenv("FLASH_DMATTN_CUDA_ARCHS", "80;86;89;90;100;120").split(";")


def get_platform():
Expand Down Expand Up @@ -151,6 +151,7 @@ def append_nvcc_threads(nvcc_extra_args):
if "80" in cuda_archs():
cc_flag.append("-gencode")
cc_flag.append("arch=compute_80,code=sm_80")

if CUDA_HOME is not None:
if bare_metal_version >= Version("11.8") and "86" in cuda_archs():
cc_flag.append("-gencode")
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