---
id: pr-thunderkittens-101
repo: HazyResearch/ThunderKittens
pr: 101
title: 'feat(mma): add fp16@fp16->fp32 mma and unit tests'
author: liyanc
date: '2025-07-07'
url: https://github.com/HazyResearch/ThunderKittens/pull/101
source_category: upstream-code
architectures:
- sm90
tags:
- hopper
techniques: []
hardware_features:
- hopper
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: aaab847f430ed313ed466e64b25b9177babd1db8
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- include/ops/warp/register/tile/mma.cuh
- tests/unit/warp/register/tile/mma.cu
artifact_dir: evidence/pull-bundles/thunderkittens/gh-101
head_ref_oid: 06759043f1226e231fe91ada74e0007137df552f
---
# feat(mma): add fp16@fp16->fp32 mma and unit tests

- Repository: `HazyResearch/ThunderKittens`
- PR: [101](https://github.com/HazyResearch/ThunderKittens/pull/101)
- 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

- `include/ops/warp/register/tile/mma.cuh`
- `tests/unit/warp/register/tile/mma.cu`

## Evidence Bundle

`evidence/pull-bundles/thunderkittens/gh-101`
