---
id: pr-sglang-9712
repo: sgl-project/sglang
pr: 9712
title: '[ModelOpt] Fix Weight Loading for DSR1-FP4 Quantization'
author: pavanimajety
date: '2025-08-30'
url: https://github.com/sgl-project/sglang/pull/9712
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- quantization
techniques: []
hardware_features:
- fp4
kernel_types:
- quantization
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: fcd72bd100b5bdad4b304e2c76b82e657edf9502
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/srt/layers/linear.py
- python/sglang/srt/layers/quantization/modelopt_quant.py
head_ref_oid: 5e16c91d6dbc5976ef483f48311c47ab1b3dfc37
artifact_dir: evidence/pull-bundles/sglang/gh-9712
---
# [ModelOpt] Fix Weight Loading for DSR1-FP4 Quantization

- Repository: `sgl-project/sglang`
- PR: [9712](https://github.com/sgl-project/sglang/pull/9712)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `python/sglang/srt/layers/linear.py`
- `python/sglang/srt/layers/quantization/modelopt_quant.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-9712`
