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[Kernels] Enable DeepGEMM by default #24462

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Merged
merged 2 commits into from
Sep 18, 2025
Merged

[Kernels] Enable DeepGEMM by default #24462

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[Kernels] Enable DeepGEMM by default
bnellnm Sep 8, 2025
db1bc18
obey ai masters
bnellnm Sep 8, 2025
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4 changes: 2 additions & 2 deletions vllm/envs.py
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Original file line number Diff line number Diff line change
Expand Up @@ -130,7 +130,7 @@
VLLM_TPU_BUCKET_PADDING_GAP: int = 0
VLLM_TPU_MOST_MODEL_LEN: Optional[int] = None
VLLM_TPU_USING_PATHWAYS: bool = False
VLLM_USE_DEEP_GEMM: bool = False
VLLM_USE_DEEP_GEMM: bool = True
VLLM_USE_DEEP_GEMM_E8M0: bool = True
VLLM_USE_DEEP_GEMM_E8M0_HOPPER: bool = False
VLLM_SKIP_DEEP_GEMM_WARMUP: bool = False
Expand Down Expand Up @@ -962,7 +962,7 @@ def get_vllm_port() -> Optional[int]:

# Allow use of DeepGemm kernels for fused moe ops.
"VLLM_USE_DEEP_GEMM":
lambda: bool(int(os.getenv("VLLM_USE_DEEP_GEMM", "0"))),
lambda: bool(int(os.getenv("VLLM_USE_DEEP_GEMM", "1"))),

# Whether to use E8M0 scaling when DeepGEMM is used on Blackwell GPUs.
"VLLM_USE_DEEP_GEMM_E8M0":
Expand Down