---
id: pr-quack-31
repo: Dao-AILab/quack
pr: 31
title: Add missing default value for `is_scheduler_warp`
author: anakinxc
date: '2025-09-01'
url: https://github.com/Dao-AILab/quack/pull/31
source_category: upstream-code
architectures:
- sm90
tags:
- gemm
- sm90
techniques:
- tile-scheduling
- warp-specialization
hardware_features:
- hopper
kernel_types:
- gemm
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: d64c6317cf19840cb5638bc22cc23dfa2b6a4ae6
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- quack/tile_scheduler.py
artifact_dir: evidence/pull-bundles/quack/gh-31
head_ref_oid: cb5af028eff8d46ca263173bac8990710a4e76d2
---
# Add missing default value for `is_scheduler_warp`

- Repository: `Dao-AILab/quack`
- PR: [31](https://github.com/Dao-AILab/quack/pull/31)
- Decision: `Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.`
- Reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.

## Changed Paths

- `quack/tile_scheduler.py`

## Evidence Bundle

`evidence/pull-bundles/quack/gh-31`
