---
id: pr-sglang-9200
repo: sgl-project/sglang
pr: 9200
title: '[NVIDA] [1/N] Nvfp4 Masked Gemm: Add quant op for the flashinfer grouped gemm'
author: kaixih
date: '2025-08-22'
url: https://github.com/sgl-project/sglang/pull/9200
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- gemm
- nvfp4
- quantization
techniques: []
hardware_features:
- fp4
- nvfp4
kernel_types:
- gemm
- quantization
languages:
- cuda-cpp
- python
captured_at: '2026-04-27'
status: merged
merge_sha: e5638573c169e73fb0a37b55dd193c5d0ba04eb6
inclusion_reason: kernel file changes
changed_paths:
- sgl-kernel/csrc/common_extension.cc
- sgl-kernel/csrc/gemm/nvfp4_expert_quant.cu
- sgl-kernel/csrc/gemm/nvfp4_quant_entry.cu
- sgl-kernel/include/sgl_kernel_ops.h
- sgl-kernel/python/sgl_kernel/__init__.py
- sgl-kernel/python/sgl_kernel/gemm.py
- sgl-kernel/tests/test_fp4_quantize.py
head_ref_oid: 8666202081c8d18fec278f10571f373c24df1da7
artifact_dir: evidence/pull-bundles/sglang/gh-9200
---
# [NVIDA] [1/N] Nvfp4 Masked Gemm: Add quant op for the flashinfer grouped gemm

- Repository: `sgl-project/sglang`
- PR: [9200](https://github.com/sgl-project/sglang/pull/9200)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `sgl-kernel/csrc/common_extension.cc`
- `sgl-kernel/csrc/gemm/nvfp4_expert_quant.cu`
- `sgl-kernel/csrc/gemm/nvfp4_quant_entry.cu`
- `sgl-kernel/include/sgl_kernel_ops.h`
- `sgl-kernel/python/sgl_kernel/__init__.py`
- `sgl-kernel/python/sgl_kernel/gemm.py`
- `sgl-kernel/tests/test_fp4_quantize.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-9200`
