---
id: pr-sglang-20094
repo: sgl-project/sglang
pr: 20094
title: '[diffusion] fix bug of copy_if'
author: linfann
date: '2026-03-08'
url: https://github.com/sgl-project/sglang/pull/20094
source_category: upstream-code
architectures:
- sm100
tags:
- kernel-fusion
techniques:
- kernel-fusion
hardware_features: []
kernel_types: []
languages:
- cute-dsl
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 7fb282a96f92c5d140d36b2bd30848dbd5cb3e8c
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/jit_kernel/diffusion/cutedsl/scale_residual_norm_scale_shift.py
head_ref_oid: 84ba83490335678fde7c48e3d186bd68a5612323
artifact_dir: evidence/pull-bundles/sglang/gh-20094
---
# [diffusion] fix bug of copy_if

- Repository: `sgl-project/sglang`
- PR: [20094](https://github.com/sgl-project/sglang/pull/20094)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `python/sglang/jit_kernel/diffusion/cutedsl/scale_residual_norm_scale_shift.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-20094`
