---
id: pr-sglang-6479
repo: sgl-project/sglang
pr: 6479
title: '[Feature] Support Flashinfer fp8 blockwise GEMM kernel on Blackwell'
author: Fridge003
date: '2025-05-28'
url: https://github.com/sgl-project/sglang/pull/6479
source_category: upstream-code
architectures:
- sm100
tags:
- fp8
- gemm
- quantization
techniques: []
hardware_features:
- fp8
kernel_types:
- gemm
- quantization
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 791b3bfabb61fad34e35f944e2833817d8e6929f
inclusion_reason: kernel file changes
changed_paths:
- docs/references/environment_variables.md
- python/sglang/srt/layers/quantization/fp8.py
- python/sglang/srt/layers/quantization/fp8_utils.py
head_ref_oid: b635d4b35208707cc98ed99fda7ded96cdd9fb71
artifact_dir: evidence/pull-bundles/sglang/gh-6479
---
# [Feature] Support Flashinfer fp8 blockwise GEMM kernel on Blackwell

- Repository: `sgl-project/sglang`
- PR: [6479](https://github.com/sgl-project/sglang/pull/6479)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `docs/references/environment_variables.md`
- `python/sglang/srt/layers/quantization/fp8.py`
- `python/sglang/srt/layers/quantization/fp8_utils.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-6479`
