---
id: pr-quack-117
repo: Dao-AILab/quack
pr: 117
title: '[Gemm] Add tile_K parameter and enable 2CTA for tile_m=128'
author: wangyang59
date: '2026-04-26'
url: https://github.com/Dao-AILab/quack/pull/117
source_category: upstream-code
architectures:
- sm100
tags:
- gemm
- norm
- sm100
techniques: []
hardware_features:
- blackwell
kernel_types:
- gemm
- norm
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 26ca844e82d3ef6a33370723e1015e5a9c5dc9c8
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- quack/gemm.py
- quack/gemm_act.py
- quack/gemm_dact.py
- quack/gemm_interface.py
- quack/gemm_norm_act.py
- quack/gemm_sm100.py
- quack/gemm_sq_reduce.py
- quack/gemm_symmetric.py
artifact_dir: evidence/pull-bundles/quack/gh-117
head_ref_oid: 82b51016afc147e65217e136e928aca8e1f81e12
---
# [Gemm] Add tile_K parameter and enable 2CTA for tile_m=128

- Repository: `Dao-AILab/quack`
- PR: [117](https://github.com/Dao-AILab/quack/pull/117)
- 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.py`
- `quack/gemm_act.py`
- `quack/gemm_dact.py`
- `quack/gemm_interface.py`
- `quack/gemm_norm_act.py`
- `quack/gemm_sm100.py`
- `quack/gemm_sq_reduce.py`
- `quack/gemm_symmetric.py`

## Evidence Bundle

`evidence/pull-bundles/quack/gh-117`
