---
id: pr-tilelang-1901
repo: tile-ai/tilelang
pr: 1901
title: '[BugFix] Add vector type definitions to common.h for CPU codegen'
author: xyyy1420
date: '2026-03-05'
url: https://github.com/tile-ai/tilelang/pull/1901
source_category: upstream-code
architectures:
- sm100
tags:
- matmul
techniques:
- vectorized-loads
hardware_features: []
kernel_types:
- gemm
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 26ac2fe45e8ff9cdd45b42ea364063f38ed9f1a4
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- src/tl_templates/cpp/common.h
- testing/python/cpu/test_tilelang_cpu_gemm.py
artifact_dir: evidence/pull-bundles/tilelang/gh-1901
head_ref_oid: 9f190f680d1881777ea2c09a5c7eea32e81c295d
---
# [BugFix] Add vector type definitions to common.h for CPU codegen

- Repository: `tile-ai/tilelang`
- PR: [1901](https://github.com/tile-ai/tilelang/pull/1901)
- 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

- `src/tl_templates/cpp/common.h`
- `testing/python/cpu/test_tilelang_cpu_gemm.py`

## Evidence Bundle

`evidence/pull-bundles/tilelang/gh-1901`
