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Signed-off-by: 0z5a <192209249+0z5a@users.noreply.github.com>
fengxie
approved these changes
Oct 23, 2026
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The
mark_layout_dynamicexample says dimensions 0 and 2 have stride 1, but itspermuteproduces stride 4 for both.mark_layout_dynamic(leading_dim=0)therefore raises before the example can print its layout.Construct the intended layout with
torch.empty_strided, and printt1/t2after defining those variables.Validated the six positive cases t0–t5 on GH200 (main editable core, torch 2.11.0) and H100 (DSL 4.8.1, torch 2.13.0). The original and print-only repair both fail; explicit strides complete all six cases with the expected layouts. Deliberate error snippets elsewhere in the guide are outside this change.
Fixes #3760.