---
id: pr-sglang-9556
repo: sgl-project/sglang
pr: 9556
title: '[NVIDIA] [2/N] Optimize `silu_and_mul_scaled_fp4_grouped_quant` perf'
author: kaixih
date: '2025-08-30'
url: https://github.com/sgl-project/sglang/pull/9556
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: 5c34b4f1c769fc1150a39b96a4673559d6657a8e
inclusion_reason: kernel file changes
changed_paths:
- benchmark/kernels/quantization/bench_fp4_quant.py
- 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/gemm.py
- sgl-kernel/tests/test_fp4_quantize.py
head_ref_oid: a19264497b906662c59df46e19b96fe99ca167c7
artifact_dir: evidence/pull-bundles/sglang/gh-9556
---
# [NVIDIA] [2/N] Optimize `silu_and_mul_scaled_fp4_grouped_quant` perf

- Repository: `sgl-project/sglang`
- PR: [9556](https://github.com/sgl-project/sglang/pull/9556)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `benchmark/kernels/quantization/bench_fp4_quant.py`
- `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/gemm.py`
- `sgl-kernel/tests/test_fp4_quantize.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-9556`
