---
id: pr-sglang-12376
repo: sgl-project/sglang
pr: 12376
title: Replace [silu_and_mul_]scaled_fp4_group_quant by Flashinfer equivalent
author: wenscarl
date: '2025-11-13'
url: https://github.com/sgl-project/sglang/pull/12376
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- moe
- quantization
techniques: []
hardware_features:
- fp4
kernel_types:
- moe
- quantization
languages:
- cute-dsl
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 6664083522434af1fc974961a6bf185f70b12745
inclusion_reason: kernel file changes
changed_paths:
- benchmark/kernels/quantization/bench_fp4_quant.py
- docs/references/environment_variables.md
- python/sglang/srt/layers/moe/flashinfer_cutedsl_moe.py
- sgl-kernel/tests/test_fp4_quantize.py
- test/srt/test_cutedsl_moe.py
- test/srt/test_fp4_moe.py
head_ref_oid: f99530227649fb701649a9e3bbf61ed7d42e4480
artifact_dir: evidence/pull-bundles/sglang/gh-12376
---
# Replace [silu_and_mul_]scaled_fp4_group_quant by Flashinfer equivalent

- Repository: `sgl-project/sglang`
- PR: [12376](https://github.com/sgl-project/sglang/pull/12376)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `benchmark/kernels/quantization/bench_fp4_quant.py`
- `docs/references/environment_variables.md`
- `python/sglang/srt/layers/moe/flashinfer_cutedsl_moe.py`
- `sgl-kernel/tests/test_fp4_quantize.py`
- `test/srt/test_cutedsl_moe.py`
- `test/srt/test_fp4_moe.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-12376`
