---
id: pr-quack-76
repo: Dao-AILab/quack
pr: 76
title: Support to only store mPostAct
author: GarlGuo
date: '2026-03-03'
url: https://github.com/Dao-AILab/quack/pull/76
source_category: upstream-code
architectures:
- sm100
- sm90
tags:
- blackwell
- gemm
- hopper
techniques: []
hardware_features:
- blackwell
- hopper
kernel_types:
- gemm
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 7a087813d66502744c47c6e62b82468b2b826b8c
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- quack/gemm_sm100.py
- quack/gemm_sm90.py
artifact_dir: evidence/pull-bundles/quack/gh-76
head_ref_oid: 4fb0e3ac8b85b02ef335bc6a93f872dee24426b8
---
# Support to only store mPostAct

- Repository: `Dao-AILab/quack`
- PR: [76](https://github.com/Dao-AILab/quack/pull/76)
- 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/gemm_sm100.py`
- `quack/gemm_sm90.py`

## Evidence Bundle

`evidence/pull-bundles/quack/gh-76`
