---
id: pr-flashinfer-1463
repo: flashinfer-ai/flashinfer
pr: 1463
title: 'fix: remove redundant zero_init reverted by #1459'
author: yyihuang
date: '2025-08-13'
url: https://github.com/flashinfer-ai/flashinfer/pull/1463
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 03053413d660da90ca3aac970086ea31f0e45d1c
inclusion_reason: include
changed_paths:
- csrc/trtllm_fmha_kernel_launcher.cu
- flashinfer/decode.py
- flashinfer/prefill.py
- include/flashinfer/semaphore_utils.cuh
- tests/test_trtllm_gen_context.py
- tests/test_trtllm_gen_decode.py
artifact_dir: evidence/pull-bundles/flashinfer/gh-1463
head_ref_oid: f39d3ccbbba05cea1d7a9503eff09b75e2ea6171
---
# fix: remove redundant zero_init reverted by #1459

- Repository: `flashinfer-ai/flashinfer`
- PR: [1463](https://github.com/flashinfer-ai/flashinfer/pull/1463)
- Decision: `include`
- Reason: include

## Changed Paths

- `csrc/trtllm_fmha_kernel_launcher.cu`
- `flashinfer/decode.py`
- `flashinfer/prefill.py`
- `include/flashinfer/semaphore_utils.cuh`
- `tests/test_trtllm_gen_context.py`
- `tests/test_trtllm_gen_decode.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-1463`
