---
id: pr-flashinfer-2677
repo: flashinfer-ai/flashinfer
pr: 2677
title: 'feat: add support for more MLA head dimensions'
author: jdebache
date: '2026-03-05'
url: https://github.com/flashinfer-ai/flashinfer/pull/2677
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- flash-attention
- mla
- prefill
techniques: []
hardware_features: []
kernel_types:
- attention
- flash-attention
- mla
- prefill
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: 5e798b1ffaccece8abac1e3d2b22c02103bc1655
inclusion_reason: kernel file changes
changed_paths:
- benchmarks/routines/attention.py
- csrc/trtllm_fmha_kernel_launcher.cu
- flashinfer/artifacts.py
- flashinfer/mla.py
- flashinfer/prefill.py
- tests/attention/test_trtllm_gen_attention.py
- tests/attention/test_trtllm_gen_mla.py
head_ref_oid: 84eb2875a11f48b1f7080c3621589c305889985b
artifact_dir: evidence/pull-bundles/flashinfer/gh-2677
---
# feat: add support for more MLA head dimensions

- Repository: `flashinfer-ai/flashinfer`
- PR: [2677](https://github.com/flashinfer-ai/flashinfer/pull/2677)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `benchmarks/routines/attention.py`
- `csrc/trtllm_fmha_kernel_launcher.cu`
- `flashinfer/artifacts.py`
- `flashinfer/mla.py`
- `flashinfer/prefill.py`
- `tests/attention/test_trtllm_gen_attention.py`
- `tests/attention/test_trtllm_gen_mla.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-2677`
