---
id: pr-sglang-6930
repo: sgl-project/sglang
pr: 6930
title: '[Feature] Support Flashinfer fmha on Blackwell'
author: NorthmanPKU
date: '2025-06-06'
url: https://github.com/sgl-project/sglang/pull/6930
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- flash-attention
- fp8
- mla
- quantization
techniques: []
hardware_features:
- fp8
kernel_types:
- attention
- flash-attention
- mla
- quantization
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 5f91c82526c19988101dcd1eddcacf9243fdd148
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/srt/layers/attention/flashinfer_backend.py
- python/sglang/srt/layers/attention/flashinfer_mla_backend.py
- python/sglang/srt/layers/quantization/fp8.py
- python/sglang/srt/layers/quantization/fp8_utils.py
- python/sglang/srt/layers/utils.py
head_ref_oid: 5ce8c3c33ab14b5b0ed0c74cc4f2c3b7b6fdc10d
artifact_dir: evidence/pull-bundles/sglang/gh-6930
---
# [Feature] Support Flashinfer fmha on Blackwell

- Repository: `sgl-project/sglang`
- PR: [6930](https://github.com/sgl-project/sglang/pull/6930)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `python/sglang/srt/layers/attention/flashinfer_backend.py`
- `python/sglang/srt/layers/attention/flashinfer_mla_backend.py`
- `python/sglang/srt/layers/quantization/fp8.py`
- `python/sglang/srt/layers/quantization/fp8_utils.py`
- `python/sglang/srt/layers/utils.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-6930`
