---
id: pr-quack-74
repo: Dao-AILab/quack
pr: 74
title: Fix gather fusion in SM100
author: GarlGuo
date: '2026-02-11'
url: https://github.com/Dao-AILab/quack/pull/74
source_category: upstream-code
architectures:
- sm100
tags:
- sm100
techniques:
- kernel-fusion
hardware_features:
- blackwell
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 2bf4e72e296dc322fd94ee19f11d1f1bd0afbc31
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- quack/gemm_interface.py
artifact_dir: evidence/pull-bundles/quack/gh-74
head_ref_oid: a367a0afd869cc00aa10a9d36041d9183cc79cb2
---
# Fix gather fusion in SM100

- Repository: `Dao-AILab/quack`
- PR: [74](https://github.com/Dao-AILab/quack/pull/74)
- 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_interface.py`

## Evidence Bundle

`evidence/pull-bundles/quack/gh-74`
