---
id: pr-quack-134
repo: Dao-AILab/quack
pr: 134
title: '[Bug] Tracer'
author: simveit
date: '2026-05-14'
url: https://github.com/Dao-AILab/quack/pull/134
source_category: upstream-code
architectures:
- sm100
tags:
- cuda kernel
- cutlass
- quack
- triton kernel
techniques: []
hardware_features: []
kernel_types: []
languages:
- cuda-cpp
- cute-dsl
- triton
captured_at: '2026-05-16'
status: merged
merge_sha: 70f7430711b2b47496ee28e4c363a8a4aef84bcf
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- quack/trace.py
artifact_dir: evidence/pull-bundles/quack/gh-134
head_ref_oid: 67311704d6782c50476d3ffecb68d7e0836c24cc
---
# [Bug] Tracer

- Repository: `Dao-AILab/quack`
- PR: [134](https://github.com/Dao-AILab/quack/pull/134)
- 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/trace.py`

## Evidence Bundle

`evidence/pull-bundles/quack/gh-134`
