vae example: provide an additional --xla flag to be able to run this test on TPU if available#1416
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fedebongio wants to merge 2 commits intopytorch:mainfrom
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vae example: provide an additional --xla flag to be able to run this test on TPU if available#1416fedebongio wants to merge 2 commits intopytorch:mainfrom
fedebongio wants to merge 2 commits intopytorch:mainfrom
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- Add optional --xla flag to enable XLA device (e.g. TPU) via torch_xla - Graceful ImportError guard so torch_xla is not required for CPU/GPU runs - XLA-specific DataLoader kwargs (persistent_workers, drop_last) - Call torch_xla.sync() after optimizer.step() each batch - Update README with --xla usage and torch_xla install instructions https://claude.ai/code/session_019ipwBaRzzfeEGFDdAdoeWJ
Calling .item() every batch forces a device sync which stalls XLA/TPU. Accumulate loss as a tensor and only call .item() at epoch end. https://claude.ai/code/session_019ipwBaRzzfeEGFDdAdoeWJ
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I'm a Kubernetes/Kubernetes contributor, and this is my second PR to Pytorch.
Thanks!
Federico