---
id: pr-sglang-14395
repo: sgl-project/sglang
pr: 14395
title: Support FP8 MLA prefill and 128k context.
author: weireweire
date: '2025-12-19'
url: https://github.com/sgl-project/sglang/pull/14395
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- fp8
- mla
- prefill
techniques: []
hardware_features:
- fp8
kernel_types:
- attention
- mla
- prefill
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 6559e43f306844c8aff9da704b173f178c27224f
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/srt/layers/attention/trtllm_mla_backend.py
head_ref_oid: 4a98dbcae3c050301ec9d740cba0b884d3bb079a
artifact_dir: evidence/pull-bundles/sglang/gh-14395
---
# Support FP8 MLA prefill and 128k context.

- Repository: `sgl-project/sglang`
- PR: [14395](https://github.com/sgl-project/sglang/pull/14395)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `python/sglang/srt/layers/attention/trtllm_mla_backend.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-14395`
