---
id: pr-vllm-12601
repo: vllm-project/vllm
pr: 12601
title: '[Attention] Deepseek v3 MLA support with FP8 compute'
author: LucasWilkinson
date: '2025-02-01'
url: https://github.com/vllm-project/vllm/pull/12601
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- fp8
- mla
- quantization
techniques: []
hardware_features:
- fp8
kernel_types:
- attention
- mla
- quantization
languages:
- triton
captured_at: '2026-04-27'
status: merged
merge_sha: baeded25699f9f4851843306f27f685c4d4ee7c5
inclusion_reason: kernel file changes
changed_paths:
- vllm/attention/backends/mla/utils.py
- vllm/attention/backends/triton_mla.py
- vllm/attention/layer.py
- vllm/config.py
- vllm/envs.py
- vllm/model_executor/layers/quantization/utils/fp8_utils.py
- vllm/model_executor/layers/quantization/utils/quant_utils.py
- vllm/model_executor/model_loader/loader.py
- vllm/model_executor/models/deepseek_v3.py
- vllm/worker/cache_engine.py
head_ref_oid: dc0e2af8a9764e4a138434f10bdc9d51cd3107a0
artifact_dir: evidence/pull-bundles/vllm/gh-12601
---
# [Attention] Deepseek v3 MLA support with FP8 compute

- Repository: `vllm-project/vllm`
- PR: [12601](https://github.com/vllm-project/vllm/pull/12601)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `vllm/attention/backends/mla/utils.py`
- `vllm/attention/backends/triton_mla.py`
- `vllm/attention/layer.py`
- `vllm/config.py`
- `vllm/envs.py`
- `vllm/model_executor/layers/quantization/utils/fp8_utils.py`
- `vllm/model_executor/layers/quantization/utils/quant_utils.py`
- `vllm/model_executor/model_loader/loader.py`
- `vllm/model_executor/models/deepseek_v3.py`
- `vllm/worker/cache_engine.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-12601`
