---
id: pr-flashinfer-2540
repo: flashinfer-ai/flashinfer
pr: 2540
title: 'feat: cute dsl mmfp4 for blackwell'
author: nv-yunzheq
date: '2026-02-21'
url: https://github.com/flashinfer-ai/flashinfer/pull/2540
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: 04c1b7b9eedc204c20636dd5699d6a249fe66f61
inclusion_reason: kernel file changes
changed_paths:
- benchmarks/routines/gemm.py
- flashinfer/gemm/gemm_base.py
- flashinfer/gemm/kernels/dense_blockscaled_gemm_sm100.py
- flashinfer/gemm/kernels/dense_blockscaled_gemm_sm103.py
- tests/gemm/test_mm_fp4.py
head_ref_oid: 7cfc1fc15338ea5280bda3efb34f56a06ef358ff
artifact_dir: evidence/pull-bundles/flashinfer/gh-2540
---
# feat: cute dsl mmfp4 for blackwell

- Repository: `flashinfer-ai/flashinfer`
- PR: [2540](https://github.com/flashinfer-ai/flashinfer/pull/2540)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `benchmarks/routines/gemm.py`
- `flashinfer/gemm/gemm_base.py`
- `flashinfer/gemm/kernels/dense_blockscaled_gemm_sm100.py`
- `flashinfer/gemm/kernels/dense_blockscaled_gemm_sm103.py`
- `tests/gemm/test_mm_fp4.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-2540`
