---
id: pr-vllm-14770
repo: vllm-project/vllm
pr: 14770
title: '[Attention] MLA get rid of materialization'
author: LucasWilkinson
date: '2025-03-14'
url: https://github.com/vllm-project/vllm/pull/14770
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- fp8
- mla
- quantization
techniques: []
hardware_features:
- fp8
kernel_types:
- attention
- mla
- quantization
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 9532c49836ad9b5f2120ebba8caf0c56f998126f
inclusion_reason: kernel file changes
changed_paths:
- vllm/attention/backends/mla/common.py
- vllm/envs.py
- vllm/model_executor/layers/quantization/utils/fp8_utils.py
- vllm/v1/attention/backends/mla/common.py
head_ref_oid: 4a3b29a5090d6661220f1fec0f38dc8abf90b38f
artifact_dir: evidence/pull-bundles/vllm/gh-14770
---
# [Attention] MLA get rid of materialization

- Repository: `vllm-project/vllm`
- PR: [14770](https://github.com/vllm-project/vllm/pull/14770)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `vllm/attention/backends/mla/common.py`
- `vllm/envs.py`
- `vllm/model_executor/layers/quantization/utils/fp8_utils.py`
- `vllm/v1/attention/backends/mla/common.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-14770`
