---
id: pr-quack-28
repo: Dao-AILab/quack
pr: 28
title: Speedup Torch Wrapper for Symm Matmul
author: JackCharlesZhang
date: '2025-08-11'
url: https://github.com/Dao-AILab/quack/pull/28
source_category: upstream-code
architectures:
- sm100
tags:
- cute
- cutlass
techniques: []
hardware_features: []
kernel_types:
- gemm
languages:
- cute-dsl
captured_at: '2026-05-16'
status: merged
merge_sha: 83abac8b01f4022d54349142fab9f0fbcf55e6ea
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- quack/symmetric_dense_gemm_sm90.py
artifact_dir: evidence/pull-bundles/quack/gh-28
head_ref_oid: b041ba16119662a33ef2b3003be3f2ebfb295a88
---
# Speedup Torch Wrapper for Symm Matmul

- Repository: `Dao-AILab/quack`
- PR: [28](https://github.com/Dao-AILab/quack/pull/28)
- 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/symmetric_dense_gemm_sm90.py`

## Evidence Bundle

`evidence/pull-bundles/quack/gh-28`
