Fixes#161375
The "Using the visualizer" section in torch_cuda_memory.md had a link to https://pytorch.org/memory_viz written in inline Markdown link form. Strangely the same syntax worked earlier on the page as the issuer mentioned, but in this spot it's rendered sa a broken link.
I wasn't able to pinpoint why the second occurrence was treated differently, but switching it to the Markdown autolink form fixes the problem consistently. I tested this by rebuilding the docs locally with make html and serving the HTML with a local http.server. With the autolink, the link resolves correctly.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/161426
Approved by: https://github.com/soulitzer