---
id: pr-tilelang-2097
repo: tile-ai/tilelang
pr: 2097
title: 'feat: support cdna4 v_mfma_i32_16x16x64_i8 & v_mfma_i32_32x32x32_i8'
author: Paran0idy
date: '2026-04-26'
url: https://github.com/tile-ai/tilelang/pull/2097
source_category: upstream-code
architectures:
- sm100
tags:
- matmul
techniques: []
hardware_features: []
kernel_types:
- gemm
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 6a29c76aee815a087c8eb22e6a44757c8cff3c92
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- src/target/codegen_hip.cc
- src/tl_templates/hip/common.h
- testing/python/amd/test_tilelang_gemm_mfma_preshuffle.py
- tilelang/intrinsics/mfma_layout.py
- tilelang/intrinsics/mfma_macro_generator.py
- tilelang/intrinsics/utils.py
artifact_dir: evidence/pull-bundles/tilelang/gh-2097
head_ref_oid: 6ceec32d126c37b0d42706d0f51690d72d43cb2b
---
# feat: support cdna4 v_mfma_i32_16x16x64_i8 & v_mfma_i32_32x32x32_i8

- Repository: `tile-ai/tilelang`
- PR: [2097](https://github.com/tile-ai/tilelang/pull/2097)
- 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/target/codegen_hip.cc`
- `src/tl_templates/hip/common.h`
- `testing/python/amd/test_tilelang_gemm_mfma_preshuffle.py`
- `tilelang/intrinsics/mfma_layout.py`
- `tilelang/intrinsics/mfma_macro_generator.py`
- `tilelang/intrinsics/utils.py`

## Evidence Bundle

`evidence/pull-bundles/tilelang/gh-2097`
