---
id: pr-flashinfer-844
repo: flashinfer-ai/flashinfer
pr: 844
title: 'perf: MLA decode kernel implemented by CuTe targeted to SM80'
author: tsu-bin
date: '2025-02-14'
url: https://github.com/flashinfer-ai/flashinfer/pull/844
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- decode
- mla
techniques: []
hardware_features: []
kernel_types:
- attention
- decode
- mla
languages:
- cuda-cpp
captured_at: '2026-04-17'
status: merged
merge_sha: 88e3dee17cc64a61eb6b5a45ef79742a5599ef7a
inclusion_reason: kernel file changes
changed_paths:
- csrc/batch_decode_mla_config.jinja
- csrc/batch_decode_mla_cute_sm80.cu
- flashinfer/decode.py
- flashinfer/jit/attention.py
- include/flashinfer/attention/decode_mla_cute_sm80.cuh
- include/flashinfer/attention/scheduler.cuh
- tests/test_mla_decode_kernel.py
head_ref_oid: 45e0a19b66663ae6e14a903adf57ef9c45fac0d9
artifact_dir: evidence/pull-bundles/flashinfer/gh-844
---
# perf: MLA decode kernel implemented by CuTe targeted to SM80

- Repository: `flashinfer-ai/flashinfer`
- PR: [844](https://github.com/flashinfer-ai/flashinfer/pull/844)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `csrc/batch_decode_mla_config.jinja`
- `csrc/batch_decode_mla_cute_sm80.cu`
- `flashinfer/decode.py`
- `flashinfer/jit/attention.py`
- `include/flashinfer/attention/decode_mla_cute_sm80.cuh`
- `include/flashinfer/attention/scheduler.cuh`
- `tests/test_mla_decode_kernel.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-844`
