---
id: pr-flashinfer-2385
repo: flashinfer-ai/flashinfer
pr: 2385
title: 'fix: In-place Residual Update for add_rmsnorm_fp4quant'
author: bkryu
date: '2026-01-22'
url: https://github.com/flashinfer-ai/flashinfer/pull/2385
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
techniques: []
hardware_features:
- fp4
kernel_types: []
languages:
- cute-dsl
captured_at: '2026-04-27'
status: merged
merge_sha: 54afc1ed0e3c4649483a2cc153c5d686505ad9c2
inclusion_reason: semantic match with file changes
changed_paths:
- benchmarks/bench_cute_dsl_add_rmsnorm_fp4quant.py
- benchmarks/routines/norm.py
- flashinfer/cute_dsl/add_rmsnorm_fp4quant.py
- tests/norm/test_add_rmsnorm_fp4_quant_cute_dsl.py
head_ref_oid: dc695e2a054de872aa69c1bf0554f452e678d20f
artifact_dir: evidence/pull-bundles/flashinfer/gh-2385
---
# fix: In-place Residual Update for add_rmsnorm_fp4quant

- Repository: `flashinfer-ai/flashinfer`
- PR: [2385](https://github.com/flashinfer-ai/flashinfer/pull/2385)
- Decision: `semantic match with file changes`
- Reason: semantic match with file changes

## Changed Paths

- `benchmarks/bench_cute_dsl_add_rmsnorm_fp4quant.py`
- `benchmarks/routines/norm.py`
- `flashinfer/cute_dsl/add_rmsnorm_fp4quant.py`
- `tests/norm/test_add_rmsnorm_fp4_quant_cute_dsl.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-2385`
