---
id: pr-flashinfer-1706
repo: flashinfer-ai/flashinfer
pr: 1706
title: 'feat: Benchmark mm_fp4 mxfp4 support and gemm autotune support.  Restore mm_fp4 API behavior'
author: bkryu
date: '2025-09-17'
url: https://github.com/flashinfer-ai/flashinfer/pull/1706
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- gemm
techniques: []
hardware_features:
- fp4
kernel_types:
- gemm
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: e8f5460f6f798efeadb769e3ad5e7e581629b03a
inclusion_reason: kernel file changes
changed_paths:
- benchmarks/routines/flashinfer_benchmark_utils.py
- benchmarks/routines/gemm.py
- flashinfer/gemm.py
head_ref_oid: a57c1eee7f4107678a1aed39ffdc25d319ff8197
artifact_dir: evidence/pull-bundles/flashinfer/gh-1706
---
# feat: Benchmark mm_fp4 mxfp4 support and gemm autotune support.  Restore mm_fp4 API behavior

- Repository: `flashinfer-ai/flashinfer`
- PR: [1706](https://github.com/flashinfer-ai/flashinfer/pull/1706)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `benchmarks/routines/flashinfer_benchmark_utils.py`
- `benchmarks/routines/gemm.py`
- `flashinfer/gemm.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-1706`
