---
id: pr-vllm-26846
repo: vllm-project/vllm
pr: 26846
title: '[Attention] Tune CUTLASS MLA num_splits'
author: MatthewBonanni
date: '2025-10-16'
url: https://github.com/vllm-project/vllm/pull/26846
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- mla
techniques: []
hardware_features: []
kernel_types:
- attention
- mla
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: 314fa8abbf9d4f6dc89eba1d8fdf80e6cd4432ed
inclusion_reason: kernel file changes
changed_paths:
- csrc/attention/mla/cutlass_sm100_mla/device/sm100_mla.hpp
head_ref_oid: 89b8cd0b0d771f31823f2c6af5e0401937c19314
artifact_dir: evidence/pull-bundles/vllm/gh-26846
---
# [Attention] Tune CUTLASS MLA num_splits

- Repository: `vllm-project/vllm`
- PR: [26846](https://github.com/vllm-project/vllm/pull/26846)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `csrc/attention/mla/cutlass_sm100_mla/device/sm100_mla.hpp`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-26846`
