---
id: pr-flashinfer-2777
repo: flashinfer-ai/flashinfer
pr: 2777
title: 'perf: Performance tune cute dsl RMSNorm variants'
author: bkryu
date: '2026-03-17'
url: https://github.com/flashinfer-ai/flashinfer/pull/2777
source_category: upstream-code
architectures:
- sm100
- sm90
tags:
- kernel-fusion
techniques:
- kernel-fusion
hardware_features: []
kernel_types: []
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: f7322d91610cf20b30f1c60422fb038dcc3858d5
inclusion_reason: kernel file changes
changed_paths:
- flashinfer/norm/kernels/fused_add_rmsnorm.py
- flashinfer/norm/kernels/rmsnorm.py
- flashinfer/norm/utils.py
head_ref_oid: 3850674724f2f5e5e8d2b24dad52e2732e2fb630
artifact_dir: evidence/pull-bundles/flashinfer/gh-2777
---
# perf: Performance tune cute dsl RMSNorm variants

- Repository: `flashinfer-ai/flashinfer`
- PR: [2777](https://github.com/flashinfer-ai/flashinfer/pull/2777)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `flashinfer/norm/kernels/fused_add_rmsnorm.py`
- `flashinfer/norm/kernels/rmsnorm.py`
- `flashinfer/norm/utils.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-2777`
