---
id: pr-vllm-34597
repo: vllm-project/vllm
pr: 34597
title: '[Kernel] Add FP8 KV cache support to Triton MLA decode attention'
author: grimulkan
date: '2026-03-12'
url: https://github.com/vllm-project/vllm/pull/34597
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- decode
- fp8
- mla
techniques: []
hardware_features:
- fp8
kernel_types:
- attention
- decode
- mla
languages:
- triton
captured_at: '2026-04-27'
status: merged
merge_sha: a1257fd1ea93da6e27b31e4739ac2707781d8ba7
inclusion_reason: kernel file changes
changed_paths:
- docs/design/attention_backends.md
- tests/kernels/attention/test_triton_decode_attention.py
- vllm/v1/attention/backends/mla/triton_mla.py
- vllm/v1/attention/ops/triton_decode_attention.py
artifact_dir: evidence/pull-bundles/vllm/gh-34597
head_ref_oid: 891fc11a4e63ebf02738f40138acd60743e0643d
---
# [Kernel] Add FP8 KV cache support to Triton MLA decode attention

- Repository: `vllm-project/vllm`
- PR: [34597](https://github.com/vllm-project/vllm/pull/34597)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `docs/design/attention_backends.md`
- `tests/kernels/attention/test_triton_decode_attention.py`
- `vllm/v1/attention/backends/mla/triton_mla.py`
- `vllm/v1/attention/ops/triton_decode_attention.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-34597`
