---
id: pr-quack-81
repo: Dao-AILab/quack
pr: 81
title: '[SM100] fix CLC persistence for varlen-M tile scheduler'
author: GarlGuo
date: '2026-03-11'
url: https://github.com/Dao-AILab/quack/pull/81
source_category: upstream-code
architectures:
- sm100
- sm90
tags:
- gemm
- hopper
- sm100
techniques:
- tile-scheduling
hardware_features:
- blackwell
- clc
- hopper
kernel_types:
- gemm
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: b6a22fc3dc7cc945f15ea85dcfcf02732d1708f0
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-81
head_ref_oid: 80437cd473f4c27599cb3daad38941292a5769d2
---
# [SM100] fix CLC persistence for varlen-M tile scheduler

- Repository: `Dao-AILab/quack`
- PR: [81](https://github.com/Dao-AILab/quack/pull/81)
- 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-81`
