---
id: pr-cutlass-3130
repo: NVIDIA/cutlass
pr: 3130
title: Update blackwell tutorial to be compatible with 4.5-dev version
author: LongshengDu
date: '2026-04-09'
url: https://github.com/NVIDIA/cutlass/pull/3130
source_category: upstream-code
architectures:
- sm100
tags:
- gemm
- persistent-kernel
techniques:
- persistent-kernel
hardware_features: []
kernel_types:
- gemm
languages:
- cute-dsl
- python
captured_at: '2026-04-17'
status: merged
merge_sha: 08185b9c3e90510ee2b656662ed0d53b06d28157
inclusion_reason: kernel file changes
changed_paths:
- examples/python/CuTeDSL/blackwell/dense_blockscaled_gemm_persistent_prefetch.py
- examples/python/CuTeDSL/blackwell/dense_gemm_persistent_prefetch.py
- examples/python/CuTeDSL/blackwell/tutorial_gemm/fp16_gemm_2.py
- examples/python/CuTeDSL/blackwell/tutorial_gemm/fp16_gemm_3.py
- examples/python/CuTeDSL/blackwell/tutorial_gemm/fp16_gemm_3_1.py
- examples/python/CuTeDSL/blackwell/tutorial_gemm/fp16_gemm_4.py
- examples/python/CuTeDSL/blackwell/tutorial_gemm/fp16_gemm_5.py
- examples/python/CuTeDSL/blackwell/tutorial_gemm/fp16_gemm_6.py
- examples/python/CuTeDSL/distributed/distributed_all_gather_gemm_blackwell.py
- examples/python/CuTeDSL/distributed/distributed_gemm_all_reduce_blackwell.py
- examples/python/CuTeDSL/distributed/distributed_gemm_reduce_scatter_blackwell.py
- examples/python/CuTeDSL/notebooks/tour_to_sol_gemm.ipynb
artifact_dir: evidence/pull-bundles/cutlass/gh-3130
head_ref_oid: ade91761c5c5c50ae51bac97a3a3faf9d2eadf01
---
# Update blackwell tutorial to be compatible with 4.5-dev version

- Repository: `NVIDIA/cutlass`
- PR: [3130](https://github.com/NVIDIA/cutlass/pull/3130)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `examples/python/CuTeDSL/blackwell/dense_blockscaled_gemm_persistent_prefetch.py`
- `examples/python/CuTeDSL/blackwell/dense_gemm_persistent_prefetch.py`
- `examples/python/CuTeDSL/blackwell/tutorial_gemm/fp16_gemm_2.py`
- `examples/python/CuTeDSL/blackwell/tutorial_gemm/fp16_gemm_3.py`
- `examples/python/CuTeDSL/blackwell/tutorial_gemm/fp16_gemm_3_1.py`
- `examples/python/CuTeDSL/blackwell/tutorial_gemm/fp16_gemm_4.py`
- `examples/python/CuTeDSL/blackwell/tutorial_gemm/fp16_gemm_5.py`
- `examples/python/CuTeDSL/blackwell/tutorial_gemm/fp16_gemm_6.py`
- `examples/python/CuTeDSL/distributed/distributed_all_gather_gemm_blackwell.py`
- `examples/python/CuTeDSL/distributed/distributed_gemm_all_reduce_blackwell.py`
- `examples/python/CuTeDSL/distributed/distributed_gemm_reduce_scatter_blackwell.py`
- `examples/python/CuTeDSL/notebooks/tour_to_sol_gemm.ipynb`

## Evidence Bundle

`evidence/pull-bundles/cutlass/gh-3130`
