---
id: pr-sglang-5820
repo: sgl-project/sglang
pr: 5820
title: cutlass 3.9 supported to improve fp8_blockwise_gemm
author: BBuf
date: '2025-04-29'
url: https://github.com/sgl-project/sglang/pull/5820
source_category: upstream-code
architectures:
- sm100
tags:
- fp8
- gemm
techniques: []
hardware_features:
- fp8
kernel_types:
- gemm
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: 5bb0accbcffa0e47ab7987062d3895c330aa1f00
inclusion_reason: kernel file changes
changed_paths:
- sgl-kernel/CMakeLists.txt
- sgl-kernel/csrc/gemm/fp8_blockwise_gemm_kernel.cu
head_ref_oid: 5d3f0baf4019b0319d2cfe7589f4427101a48d35
artifact_dir: evidence/pull-bundles/sglang/gh-5820
---
# cutlass 3.9 supported to improve fp8_blockwise_gemm

- Repository: `sgl-project/sglang`
- PR: [5820](https://github.com/sgl-project/sglang/pull/5820)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `sgl-kernel/CMakeLists.txt`
- `sgl-kernel/csrc/gemm/fp8_blockwise_gemm_kernel.cu`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-5820`
