---
id: pr-sglang-5207
repo: sgl-project/sglang
pr: 5207
title: sgl-kernel use cutlass latest version for fp8 blockwise gemm
author: yizhang2077
date: '2025-04-09'
url: https://github.com/sgl-project/sglang/pull/5207
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: ebf495f013334896949cd3069da1bb30b6c23257
inclusion_reason: defer
changed_paths:
- sgl-kernel/benchmark/bench_fp8_blockwise_gemm.py
- sgl-kernel/csrc/cutlass_extensions/gemm/collective/collective_builder.hpp
- sgl-kernel/csrc/cutlass_extensions/gemm/collective/sm90_mma_tma_gmma_ss_warpspecialized_fp8_blockwise_scaling.hpp
- sgl-kernel/csrc/cutlass_extensions/gemm/dispatch_policy.hpp
- sgl-kernel/csrc/gemm/fp8_blockwise_gemm_kernel.cu
- sgl-kernel/tests/test_fp8_blockwise_gemm.py
artifact_dir: evidence/pull-bundles/sglang/gh-5207
head_ref_oid: 3cc889b0ff0530f416f45e6ff1ae39512accc584
---
# sgl-kernel use cutlass latest version for fp8 blockwise gemm

- Repository: `sgl-project/sglang`
- PR: [5207](https://github.com/sgl-project/sglang/pull/5207)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `sgl-kernel/benchmark/bench_fp8_blockwise_gemm.py`
- `sgl-kernel/csrc/cutlass_extensions/gemm/collective/collective_builder.hpp`
- `sgl-kernel/csrc/cutlass_extensions/gemm/collective/sm90_mma_tma_gmma_ss_warpspecialized_fp8_blockwise_scaling.hpp`
- `sgl-kernel/csrc/cutlass_extensions/gemm/dispatch_policy.hpp`
- `sgl-kernel/csrc/gemm/fp8_blockwise_gemm_kernel.cu`
- `sgl-kernel/tests/test_fp8_blockwise_gemm.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-5207`
