---
id: pr-flashinfer-1029
repo: flashinfer-ai/flashinfer
pr: 1029
title: 'fix: add zero init for KV tiled copy'
author: happierpig
date: '2025-04-22'
url: https://github.com/flashinfer-ai/flashinfer/pull/1029
source_category: upstream-code
architectures:
- sm100
- sm90
tags:
- attention
techniques: []
hardware_features: []
kernel_types:
- attention
languages:
- cuda-cpp
captured_at: '2026-04-17'
status: merged
merge_sha: cb5462df0ac72a43bbfbebe3d54dc8f9e35b39f1
inclusion_reason: kernel file changes
changed_paths:
- include/flashinfer/attention/hopper/sparse_mainloop.cuh
head_ref_oid: cdd9e01d93d1b2256bbc9ca341d7ad1a50c0b4ea
artifact_dir: evidence/pull-bundles/flashinfer/gh-1029
---
# fix: add zero init for KV tiled copy

- Repository: `flashinfer-ai/flashinfer`
- PR: [1029](https://github.com/flashinfer-ai/flashinfer/pull/1029)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `include/flashinfer/attention/hopper/sparse_mainloop.cuh`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-1029`
