---
id: pr-sglang-15353
repo: sgl-project/sglang
pr: 15353
title: Refactor fp8 nextn layer for DeepSeek nvfp4 checkpoint
author: Fridge003
date: '2025-12-28'
url: https://github.com/sgl-project/sglang/pull/15353
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 656f4d69a1bc8bc9c2addd1a33b0409b454136e5
inclusion_reason: defer
changed_paths:
- docs/references/environment_variables.md
- python/sglang/srt/environ.py
- python/sglang/srt/layers/quantization/fp8.py
- python/sglang/srt/models/deepseek_nextn.py
- python/sglang/srt/models/deepseek_v2.py
- python/sglang/srt/server_args.py
artifact_dir: evidence/pull-bundles/sglang/gh-15353
head_ref_oid: f5ea04fb59ac28aaab86485724de4b5d6d4d3a7d
---
# Refactor fp8 nextn layer for DeepSeek nvfp4 checkpoint

- Repository: `sgl-project/sglang`
- PR: [15353](https://github.com/sgl-project/sglang/pull/15353)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `docs/references/environment_variables.md`
- `python/sglang/srt/environ.py`
- `python/sglang/srt/layers/quantization/fp8.py`
- `python/sglang/srt/models/deepseek_nextn.py`
- `python/sglang/srt/models/deepseek_v2.py`
- `python/sglang/srt/server_args.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-15353`
