---
id: pr-vllm-23289
repo: vllm-project/vllm
pr: 23289
title: '[Attention] Blackwell FP8 MLA support with CUTLASS_MLA backend'
author: MatthewBonanni
date: '2025-09-03'
url: https://github.com/vllm-project/vllm/pull/23289
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: a742322092379a25d83300a4d44abc7cf225a700
inclusion_reason: defer
changed_paths:
- csrc/attention/mla/sm100_cutlass_mla_kernel.cu
- tests/kernels/test_cutlass_mla_decode.py
- vllm/platforms/cuda.py
- vllm/v1/attention/backends/mla/cutlass_mla.py
artifact_dir: evidence/pull-bundles/vllm/gh-23289
head_ref_oid: abf29daaef3d7adc19d870917487494a64b710b2
---
# [Attention] Blackwell FP8 MLA support with CUTLASS_MLA backend

- Repository: `vllm-project/vllm`
- PR: [23289](https://github.com/vllm-project/vllm/pull/23289)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `csrc/attention/mla/sm100_cutlass_mla_kernel.cu`
- `tests/kernels/test_cutlass_mla_decode.py`
- `vllm/platforms/cuda.py`
- `vllm/v1/attention/backends/mla/cutlass_mla.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-23289`
