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[Bug] Fix DeepGEMM Env Control (#23591)

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Signed-off-by: yewentao256 <zhyanwentao@126.com>
This commit is contained in:
Wentao Ye
2025-08-25 21:41:21 -04:00
committed by GitHub
parent ae067888d6
commit 56dcf4e7e9
1 changed files with 4 additions and 7 deletions
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11
vllm/utils/deep_gemm.py
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@@ -27,7 +27,7 @@ def is_deep_gemm_supported() -> bool:
is_supported_arch = current_platform.is_cuda() and ( is_supported_arch = current_platform.is_cuda() and (
current_platform.is_device_capability(90) current_platform.is_device_capability(90)
or current_platform.is_device_capability(100)) or current_platform.is_device_capability(100))
return has_deep_gemm() and is_supported_arch return envs.VLLM_USE_DEEP_GEMM and has_deep_gemm() and is_supported_arch
@functools.cache @functools.cache
@@ -35,12 +35,9 @@ def is_blackwell_deep_gemm_e8m0_used() -> bool:
"""Return ``True`` if vLLM is configured to use DeepGEMM " """Return ``True`` if vLLM is configured to use DeepGEMM "
"E8M0 scale on a Blackwell-class GPU. "E8M0 scale on a Blackwell-class GPU.
""" """
if not (envs.VLLM_USE_DEEP_GEMM): if not is_deep_gemm_supported():
logger.debug_once("DeepGEMM E8M0 disabled: VLLM_USE_DEEP_GEMM=0.") logger.debug_once(
return False "DeepGEMM E8M0 disabled: DeepGEMM not supported on this system.")
if not has_deep_gemm():
logger.debug_once("DeepGEMM E8M0 disabled: DeepGEMM backend missing.")
return False return False
if not envs.VLLM_USE_DEEP_GEMM_E8M0: if not envs.VLLM_USE_DEEP_GEMM_E8M0: