---
id: pr-sglang-21834
repo: sgl-project/sglang
pr: 21834
title: '[Feature] JIT rmsnorm update (with claude)'
author: DarkSharpness
date: '2026-04-01'
url: https://github.com/sgl-project/sglang/pull/21834
source_category: upstream-code
architectures:
- sm100
tags:
- kernel-fusion
techniques:
- kernel-fusion
hardware_features: []
kernel_types: []
languages:
- cuda-cpp
- python
captured_at: '2026-04-17'
status: merged
merge_sha: 20f41935897261cd38ff183518ace948dfb31984
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/jit_kernel/benchmark/bench_fused_add_rmsnorm.py
- python/sglang/jit_kernel/benchmark/bench_norm.py
- python/sglang/jit_kernel/benchmark/bench_rmsnorm.py
- python/sglang/jit_kernel/benchmark/utils.py
- python/sglang/jit_kernel/csrc/elementwise/rmsnorm.cuh
- python/sglang/jit_kernel/norm.py
- python/sglang/jit_kernel/tests/test_norm_jit.py
- python/sglang/jit_kernel/tests/test_rmsnorm.py
head_ref_oid: 75d50c5fbaa468f1dce70b0b87d9900a484a8ad1
artifact_dir: evidence/pull-bundles/sglang/gh-21834
---
# [Feature] JIT rmsnorm update (with claude)

- Repository: `sgl-project/sglang`
- PR: [21834](https://github.com/sgl-project/sglang/pull/21834)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `python/sglang/jit_kernel/benchmark/bench_fused_add_rmsnorm.py`
- `python/sglang/jit_kernel/benchmark/bench_norm.py`
- `python/sglang/jit_kernel/benchmark/bench_rmsnorm.py`
- `python/sglang/jit_kernel/benchmark/utils.py`
- `python/sglang/jit_kernel/csrc/elementwise/rmsnorm.cuh`
- `python/sglang/jit_kernel/norm.py`
- `python/sglang/jit_kernel/tests/test_norm_jit.py`
- `python/sglang/jit_kernel/tests/test_rmsnorm.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-21834`
