---
id: pr-flashinfer-1288
repo: flashinfer-ai/flashinfer
pr: 1288
title: add mm_fp4 use cudnn backend
author: ttyio
date: '2025-07-21'
url: https://github.com/flashinfer-ai/flashinfer/pull/1288
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- gemm
- quantization
techniques: []
hardware_features:
- fp4
kernel_types:
- gemm
- quantization
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 927a41e8b1f777fbd2081b76566793f2d4035222
inclusion_reason: kernel file changes
changed_paths:
- flashinfer/__init__.py
- flashinfer/fp4_quantization.py
- flashinfer/gemm.py
- tests/test_mm_fp4.py
head_ref_oid: cf41895f503054a45e9759e366d5ec3a3291ba2d
artifact_dir: evidence/pull-bundles/flashinfer/gh-1288
---
# add mm_fp4 use cudnn backend

- Repository: `flashinfer-ai/flashinfer`
- PR: [1288](https://github.com/flashinfer-ai/flashinfer/pull/1288)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `flashinfer/__init__.py`
- `flashinfer/fp4_quantization.py`
- `flashinfer/gemm.py`
- `tests/test_mm_fp4.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-1288`
