---
id: pr-sglang-21280
repo: sgl-project/sglang
pr: 21280
title: '[RL] Support mxfp8 DeepSeek V3'
author: zianglih
date: '2026-04-04'
url: https://github.com/sgl-project/sglang/pull/21280
source_category: upstream-code
architectures:
- sm100
tags:
- fp8
- kernel-fusion
- moe
- quantization
techniques:
- kernel-fusion
hardware_features:
- fp8
kernel_types:
- moe
- quantization
languages:
- python
- triton
captured_at: '2026-04-17'
status: merged
merge_sha: 990c7590b835549c17cf089422f0e5c3f520ad8b
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/srt/layers/moe/fused_moe_triton/layer.py
- python/sglang/srt/layers/moe/moe_runner/flashinfer_trtllm.py
- python/sglang/srt/layers/quantization/fp8.py
head_ref_oid: 35bc5b8818014fb53ee20c63e24b3ac5be09eac0
artifact_dir: evidence/pull-bundles/sglang/gh-21280
---
# [RL] Support mxfp8 DeepSeek V3

- Repository: `sgl-project/sglang`
- PR: [21280](https://github.com/sgl-project/sglang/pull/21280)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `python/sglang/srt/layers/moe/fused_moe_triton/layer.py`
- `python/sglang/srt/layers/moe/moe_runner/flashinfer_trtllm.py`
- `python/sglang/srt/layers/quantization/fp8.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-21280`
