---
id: pr-quack-27
repo: Dao-AILab/quack
pr: 27
title: Symmetric alpha * A @ B + beta * C
author: JackCharlesZhang
date: '2025-08-08'
url: https://github.com/Dao-AILab/quack/pull/27
source_category: upstream-code
architectures:
- sm100
tags:
- gemm
techniques: []
hardware_features: []
kernel_types:
- gemm
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 8d3ed1f855c30c837184c8c0867001a9f1dbb16c
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- quack/symmetric_dense_gemm_sm90.py
- tests/test_symmetric_dense_gemm_sm90.py
artifact_dir: evidence/pull-bundles/quack/gh-27
head_ref_oid: 1370d5a780e9a6db8476bfe1083d62917a1ba066
---
# Symmetric alpha * A @ B + beta * C

- Repository: `Dao-AILab/quack`
- PR: [27](https://github.com/Dao-AILab/quack/pull/27)
- 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`
- `tests/test_symmetric_dense_gemm_sm90.py`

## Evidence Bundle

`evidence/pull-bundles/quack/gh-27`
