---
id: pr-sglang-19059
repo: sgl-project/sglang
pr: 19059
title: '[jit_kernel] Add fused_qknorm_rope JIT kernel'
author: Johnsonms
date: '2026-03-27'
url: https://github.com/sgl-project/sglang/pull/19059
source_category: upstream-code
architectures:
- sm100
tags:
- kernel-fusion
- moe
techniques:
- kernel-fusion
hardware_features: []
kernel_types:
- moe
languages:
- cuda-cpp
- python
captured_at: '2026-04-27'
status: merged
merge_sha: c531be455e01a276ded4ea19d86e1dbcbf726bf1
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/jit_kernel/benchmark/bench_fused_qknorm_rope.py
- python/sglang/jit_kernel/csrc/elementwise/fused_qknorm_rope.cuh
- python/sglang/jit_kernel/fused_qknorm_rope.py
- python/sglang/jit_kernel/tests/test_fused_qknorm_rope.py
- python/sglang/srt/models/qwen3_moe.py
head_ref_oid: 12f28ae459dab406dcddcbfb73374fcc775fb294
artifact_dir: evidence/pull-bundles/sglang/gh-19059
---
# [jit_kernel] Add fused_qknorm_rope JIT kernel

- Repository: `sgl-project/sglang`
- PR: [19059](https://github.com/sgl-project/sglang/pull/19059)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `python/sglang/jit_kernel/benchmark/bench_fused_qknorm_rope.py`
- `python/sglang/jit_kernel/csrc/elementwise/fused_qknorm_rope.cuh`
- `python/sglang/jit_kernel/fused_qknorm_rope.py`
- `python/sglang/jit_kernel/tests/test_fused_qknorm_rope.py`
- `python/sglang/srt/models/qwen3_moe.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-19059`
