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[Perf] Apply torch.compile for per_block_cast_to_fp8 #24611

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Merged
merged 11 commits into from
Sep 23, 2025
Merged

[Perf] Apply torch.compile for per_block_cast_to_fp8 #24611

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32f5943
triton-kernel-for-per-block-cast-to-fp8
yewentao256 Sep 10, 2025
84634e5
fix return type error
yewentao256 Sep 10, 2025
36980a3
fix as comments suggests
yewentao256 Sep 10, 2025
7a8bdcc
use cuda event to record time
yewentao256 Sep 11, 2025
c46efa7
increase warps to 8
yewentao256 Sep 11, 2025
33a488c
Merge branch 'main' into wye-triton-kernel-for-per-block-cast-to-fp8
yewentao256 Sep 11, 2025
e973e82
Merge branch 'main' into wye-triton-kernel-for-per-block-cast-to-fp8
yewentao256 Sep 18, 2025
ee238e0
use torch compile
yewentao256 Sep 18, 2025
a02eb58
remove benchmark
yewentao256 Sep 18, 2025
e2258db
update according to comemnts
yewentao256 Sep 18, 2025
949b60e
Merge branch 'main' into wye-triton-kernel-for-per-block-cast-to-fp8
yewentao256 Sep 22, 2025
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4 changes: 2 additions & 2 deletions vllm/utils/deep_gemm.py
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Original file line number Diff line number Diff line change
Expand Up @@ -135,7 +135,7 @@ def _align(x: int, y: int) -> int:


# Taken from https://github.com/deepseek-ai/DeepGEMM/blob/dd6ed14acbc7445dcef224248a77ab4d22b5f240/deep_gemm/utils/math.py#L38
# TODO(wentao): optimize this function, using triton or cuda kernel
@torch.compile(dynamic=True, backend=current_platform.simple_compile_backend)
def per_block_cast_to_fp8(
x: torch.Tensor,
block_size: list[int] = DEFAULT_BLOCK_SIZE,
Expand Down Expand Up @@ -187,4 +187,4 @@ def should_use_deepgemm_for_fp8_linear(output_dtype: torch.dtype,
"is_deep_gemm_e8m0_used",
"is_deep_gemm_supported",
"should_use_deepgemm_for_fp8_linear",
]
]