---
id: pr-quack-80
repo: Dao-AILab/quack
pr: 80
title: CLC should be autotunable in SM100 rather than a fixed argument
author: GarlGuo
date: '2026-03-25'
url: https://github.com/Dao-AILab/quack/pull/80
source_category: upstream-code
architectures:
- sm100
- sm90
tags:
- blackwell
- quack
- sm100
- sm90
techniques: []
hardware_features:
- blackwell
- clc
- hopper
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: b76c27e6468d11e9c247bfb876dae04a1d770b66
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- benchmarks/benchmark_gemm.py
- quack/gemm.py
- quack/gemm_act.py
- quack/gemm_config.py
- quack/gemm_dact.py
- quack/gemm_interface.py
- quack/gemm_norm_act.py
- quack/gemm_sm100.py
- quack/gemm_sm90.py
- quack/gemm_sq_reduce.py
- quack/gemm_symmetric.py
- quack/gemm_tvm_ffi_utils.py
artifact_dir: evidence/pull-bundles/quack/gh-80
head_ref_oid: 3d43c0fcfc78fcda91f8c841e92190a413eaeff8
---
# CLC should be autotunable in SM100 rather than a fixed argument

- Repository: `Dao-AILab/quack`
- PR: [80](https://github.com/Dao-AILab/quack/pull/80)
- 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

- `benchmarks/benchmark_gemm.py`
- `quack/gemm.py`
- `quack/gemm_act.py`
- `quack/gemm_config.py`
- `quack/gemm_dact.py`
- `quack/gemm_interface.py`
- `quack/gemm_norm_act.py`
- `quack/gemm_sm100.py`
- `quack/gemm_sm90.py`
- `quack/gemm_sq_reduce.py`
- `quack/gemm_symmetric.py`
- `quack/gemm_tvm_ffi_utils.py`

## Evidence Bundle

`evidence/pull-bundles/quack/gh-80`
