---
id: pr-flashinfer-1843
repo: flashinfer-ai/flashinfer
pr: 1843
title: 'feat: add warp-level persistent qk norm'
author: happierpig
date: '2025-10-03'
url: https://github.com/flashinfer-ai/flashinfer/pull/1843
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: ec4fc2ca56ae89a52eb43093cdc6d12c49f4feee
inclusion_reason: defer
changed_paths:
- csrc/norm.cu
- flashinfer/norm.py
- include/flashinfer/norm.cuh
- tests/utils/test_norm.py
artifact_dir: evidence/pull-bundles/flashinfer/gh-1843
head_ref_oid: 43c2d838dedb9acd0ef5b1de83095c6f90841a96
---
# feat: add warp-level persistent qk norm

- Repository: `flashinfer-ai/flashinfer`
- PR: [1843](https://github.com/flashinfer-ai/flashinfer/pull/1843)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `csrc/norm.cu`
- `flashinfer/norm.py`
- `include/flashinfer/norm.cuh`
- `tests/utils/test_norm.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-1843`
