---
id: pr-sglang-4278
repo: sgl-project/sglang
pr: 4278
title: Support Blackwell Block Scale FP8 Gemm
author: elfiegg
date: '2025-03-12'
url: https://github.com/sgl-project/sglang/pull/4278
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: 7c86671131fed1c0047ab33fa10395baa76774fc
inclusion_reason: kernel file changes
changed_paths:
- sgl-kernel/csrc/gemm/fp8_blockwise_gemm_kernel.cu
- sgl-kernel/include/utils.h
- sgl-kernel/setup.py
head_ref_oid: 0cdb85d2f05b2d8656a73eaf81e4c13131c2f795
artifact_dir: evidence/pull-bundles/sglang/gh-4278
---
# Support Blackwell Block Scale FP8 Gemm

- Repository: `sgl-project/sglang`
- PR: [4278](https://github.com/sgl-project/sglang/pull/4278)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `sgl-kernel/csrc/gemm/fp8_blockwise_gemm_kernel.cu`
- `sgl-kernel/include/utils.h`
- `sgl-kernel/setup.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-4278`
