---
id: pr-flashinfer-1296
repo: flashinfer-ai/flashinfer
pr: 1296
title: add cutlass backend for mm_fp4
author: ttyio
date: '2025-08-02'
url: https://github.com/flashinfer-ai/flashinfer/pull/1296
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- gemm
techniques: []
hardware_features:
- fp4
kernel_types:
- gemm
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: db16e41517c633694169c58314174bc7999bc760
inclusion_reason: kernel file changes
changed_paths:
- csrc/fp4_gemm_cutlass.cu
- csrc/fp4_gemm_cutlass.jinja
- csrc/pytorch_extension_utils.h
- flashinfer/gemm.py
- include/flashinfer/arch_condition.h
- include/flashinfer/gemm/cutlass_gemm_configs.h
- include/flashinfer/gemm/fp4_gemm_cutlass.h
- include/flashinfer/gemm/fp4_gemm_cutlass_template.h
- include/flashinfer/gemm/fp4_gemm_template_sm100.h
- tests/test_mm_fp4.py
head_ref_oid: 65b5d1ada90a82c21376747f239ad03b048d0eb3
artifact_dir: evidence/pull-bundles/flashinfer/gh-1296
---
# add cutlass backend for mm_fp4

- Repository: `flashinfer-ai/flashinfer`
- PR: [1296](https://github.com/flashinfer-ai/flashinfer/pull/1296)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `csrc/fp4_gemm_cutlass.cu`
- `csrc/fp4_gemm_cutlass.jinja`
- `csrc/pytorch_extension_utils.h`
- `flashinfer/gemm.py`
- `include/flashinfer/arch_condition.h`
- `include/flashinfer/gemm/cutlass_gemm_configs.h`
- `include/flashinfer/gemm/fp4_gemm_cutlass.h`
- `include/flashinfer/gemm/fp4_gemm_cutlass_template.h`
- `include/flashinfer/gemm/fp4_gemm_template_sm100.h`
- `tests/test_mm_fp4.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-1296`
