---
id: pr-sglang-18742
repo: sgl-project/sglang
pr: 18742
title: '[RL] Support per-layer mixed FP8/BF16 serving for FP8 checkpoints'
author: zianglih
date: '2026-03-01'
url: https://github.com/sgl-project/sglang/pull/18742
source_category: upstream-code
architectures:
- sm100
tags:
- fp8
- quantization
techniques: []
hardware_features:
- fp8
kernel_types:
- quantization
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 0e869778111529721ee68e2be64f1c224c1799d3
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/srt/layers/quantization/fp8.py
- python/sglang/srt/layers/quantization/utils.py
head_ref_oid: 23920af2441b38dc7fb42e73222a7469610250b9
artifact_dir: evidence/pull-bundles/sglang/gh-18742
---
# [RL] Support per-layer mixed FP8/BF16 serving for FP8 checkpoints

- Repository: `sgl-project/sglang`
- PR: [18742](https://github.com/sgl-project/sglang/pull/18742)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `python/sglang/srt/layers/quantization/fp8.py`
- `python/sglang/srt/layers/quantization/utils.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-18742`
