[ROCm] Update C++ Extension Tutorial for AMD GPU

[naromero77amd]

Fixes #2342

Description

This is a minor update to the C++ Extension with a note about AMD GPU support.

Checklist

• The issue that is being fixed is referred in the description (see above "Fixes #ISSUE_NUMBER")
• Only one issue is addressed in this pull request
• Labels from the issue that this PR is fixing are added to this pull request
• No unnecessary issues are included into this pull request.

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/tutorials/3197

• 📄 Preview Python docs built from this PR

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❌ 1 New Failure, 15 Pending

As of commit c91a69b with merge base 08a9bcd ():

NEW FAILURE - The following job has failed:

• Check spelling / pyspelling (gh)
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[naromero77amd]

@pytorchbot rebase

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[naromero77amd]

@svekars @malfet Can you please assign a reviewer? Thanks.

[malfet]

@naromero77amd it's OK to reference the article at the end of the tutorial, but imo it would be good to incorporate parts of its context into this tutorial, otherwise, in my humble opinion, it's not very helpful for the end user

[svekars]

I agree with @malfet. Also, all references should go to the Conclusion section as to where the user can go after completing this tutorial.

[naromero77amd]

@svekars @malfet

My apologies for taking so long to follow-up on this PR.

I should have added more background as to the purpose of this PR.

The point of the PR was to just add a reference to the ROCm blog since this tutorial is already deprecated.

This tutorial is superseded by this newer tutorial:
https://pytorch.org/tutorials/advanced/cpp_custom_ops.html#cpp-custom-ops-tutorial

which in the December 2024 time frame I created a separate PR to add a NOTE about AMD ROCm support.
#3198

The NOTE itself is quite boring because there is nothing extra needed to support a custom HIP kernel in a PyTorch C++ extension. You just write a CUDA kernel and the hipify script takes care of the rest.

I can certainly move the NOTE to the conclusion section if you prefer that. Let me know.

[svekars]

@naromero77amd Please move to the conclusion section - thank you!

[naromero77amd]

Done

[naromero77amd]

@svekars There is a pending check-- does that require your approval?

[naromero77amd]

@svekars ping