---
id: pr-cutlass-2378
repo: NVIDIA/cutlass
pr: 2378
title: support fp16 accmulator for sm89 fp8 mma
author: kf-zhang
date: '2025-07-31'
url: https://github.com/NVIDIA/cutlass/pull/2378
source_category: upstream-code
architectures:
- sm100
tags:
- fp8
- gemm
techniques: []
hardware_features:
- fp8
kernel_types:
- gemm
languages:
- cuda-cpp
captured_at: '2026-04-17'
status: merged
merge_sha: 26b74500232f254779f5b5d70c5ed98fb6366612
inclusion_reason: kernel file changes
changed_paths:
- include/cute/arch/mma_sm89.hpp
- include/cute/atom/mma_traits_sm89.hpp
- test/unit/cute/ampere/cooperative_gemm.cu
artifact_dir: evidence/pull-bundles/cutlass/gh-2378
head_ref_oid: 954077ba9fa0e431e120b11e5e0c46b93c82cabf
---
# support fp16 accmulator for sm89 fp8 mma

- Repository: `NVIDIA/cutlass`
- PR: [2378](https://github.com/NVIDIA/cutlass/pull/2378)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `include/cute/arch/mma_sm89.hpp`
- `include/cute/atom/mma_traits_sm89.hpp`
- `test/unit/cute/ampere/cooperative_gemm.cu`

## Evidence Bundle

`evidence/pull-bundles/cutlass/gh-2378`
