---
id: pr-thunderkittens-84
repo: HazyResearch/ThunderKittens
pr: 84
title: WIP Blackwell fp8 support
author: DanFu09
date: '2025-01-28'
url: https://github.com/HazyResearch/ThunderKittens/pull/84
source_category: upstream-code
architectures:
- sm100
tags:
- blackwell
- fp8
techniques: []
hardware_features:
- blackwell
- fp8
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: b0bf0a5806772ccb2a78dfef4a35dd8228fa9529
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- include/ops/warp/memory/tile/tensor_to_register.cuh
- include/ops/warp/tensor/mma.cuh
- kernels/matmul/FP8_B200/Makefile
- kernels/matmul/FP8_B200/matmul.cu
artifact_dir: evidence/pull-bundles/thunderkittens/gh-84
head_ref_oid: ba527a6bfd14cc2f99ba4de14c9554ed6a38b344
---
# WIP Blackwell fp8 support

- Repository: `HazyResearch/ThunderKittens`
- PR: [84](https://github.com/HazyResearch/ThunderKittens/pull/84)
- 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/memory/tile/tensor_to_register.cuh`
- `include/ops/warp/tensor/mma.cuh`
- `kernels/matmul/FP8_B200/Makefile`
- `kernels/matmul/FP8_B200/matmul.cu`

## Evidence Bundle

`evidence/pull-bundles/thunderkittens/gh-84`
