---
id: pr-tilelang-1978
repo: tile-ai/tilelang
pr: 1978
title: Unified packed x2 intrinsics with multi-dtype support and bug fixes
author: bucket-xv
date: '2026-03-26'
url: https://github.com/tile-ai/tilelang/pull/1978
source_category: upstream-code
architectures:
- sm100
tags:
- fused-op
- sm100
techniques:
- kernel-fusion
hardware_features:
- blackwell
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: c31ff58a5fbaa6f42f8a30d930e7e778ee93264c
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- 3rdparty/tvm
- src/op/builtin.cc
- src/op/builtin.h
- src/target/codegen_cuda.cc
- src/target/codegen_cuda.h
- src/target/codegen_hip.cc
- src/tl_templates/cuda/common.h
- src/tl_templates/hip/common.h
- src/transform/storage_rewrite.cc
- testing/python/cuda/test_cuda_f32x2_intrinsics.py
- tilelang/language/dtypes.py
- tilelang/language/math_intrinsics.py
- tilelang/utils/language.py
artifact_dir: evidence/pull-bundles/tilelang/gh-1978
head_ref_oid: 8dd3096d23d7cd5fe5e45f389df6beb782ab6656
---
# Unified packed x2 intrinsics with multi-dtype support and bug fixes

- Repository: `tile-ai/tilelang`
- PR: [1978](https://github.com/tile-ai/tilelang/pull/1978)
- 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

- `3rdparty/tvm`
- `src/op/builtin.cc`
- `src/op/builtin.h`
- `src/target/codegen_cuda.cc`
- `src/target/codegen_cuda.h`
- `src/target/codegen_hip.cc`
- `src/tl_templates/cuda/common.h`
- `src/tl_templates/hip/common.h`
- `src/transform/storage_rewrite.cc`
- `testing/python/cuda/test_cuda_f32x2_intrinsics.py`
- `tilelang/language/dtypes.py`
- `tilelang/language/math_intrinsics.py`
- `tilelang/utils/language.py`

## Evidence Bundle

`evidence/pull-bundles/tilelang/gh-1978`
