---
id: pr-flashinfer-2660
repo: flashinfer-ai/flashinfer
pr: 2660
title: 'feat: support mxfp4 & mxfp8 entrypoint for blackwell cutedsl dense gemm'
author: b8zhong
date: '2026-03-06'
url: https://github.com/flashinfer-ai/flashinfer/pull/2660
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- fp8
- gemm
techniques: []
hardware_features:
- fp4
- fp8
kernel_types:
- gemm
languages:
- cute-dsl
captured_at: '2026-04-27'
status: merged
merge_sha: 825c7e00be691013ab8047f8ae4b58c54906de68
inclusion_reason: kernel file changes
changed_paths:
- benchmarks/routines/flashinfer_benchmark_utils.py
- benchmarks/routines/gemm.py
- flashinfer/gemm/gemm_base.py
- flashinfer/gemm/kernels/dense_blockscaled_gemm_sm100.py
- tests/gemm/test_mm_fp4.py
- tests/gemm/test_mm_mxfp8.py
head_ref_oid: 59de3828d3628dc46994664af74f1c49d63c3cc7
artifact_dir: evidence/pull-bundles/flashinfer/gh-2660
---
# feat: support mxfp4 & mxfp8 entrypoint for blackwell cutedsl dense gemm

- Repository: `flashinfer-ai/flashinfer`
- PR: [2660](https://github.com/flashinfer-ai/flashinfer/pull/2660)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `benchmarks/routines/flashinfer_benchmark_utils.py`
- `benchmarks/routines/gemm.py`
- `flashinfer/gemm/gemm_base.py`
- `flashinfer/gemm/kernels/dense_blockscaled_gemm_sm100.py`
- `tests/gemm/test_mm_fp4.py`
- `tests/gemm/test_mm_mxfp8.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-2660`
