Milad Mohammadi

`test_variable_sequence_xla` fails upon updating sym_sizes for dynamic shape

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## 🐛 Bug After resolving some earlier issues via this https://github.com/pytorch/xla/commit/7da8d3b47e09332ac43c4c09ac78883c676d7594, I run into the following failures. It turns out that the standalone run of these tests pass, but when...

[PRD] Bounded Dynamic Shape Design for `PyTorch` & `PyTorch/XLA`

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# 📚 Bounded Dynamic Shape Design # Contributors **List of contributors in chronological order:** * @ezyang (Meta), @Gamrix (Meta), @JackCaoG (Google), @Krovatkin (Meta), @miladm (Google), @shauheen (Google), @wconstab (Meta) #...

Enable dynamic shape for `XLATensorImpl::sym_sizes_custom()`

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Enable dynamic shape for `XLATensorImpl::sym_sizes_custom()`

## 🐛 Bug Getting the following error on running any of the following three methods under `test/test_mp_sync_batch_norm.py`. It's strange to see this issue because the expected shape and the calculated...

Turns out python tests fail non-dynamic expand calls

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Seems python tests fail on non-symint expand calls. Here we are calling `torch.testing.make_non_contiguous` on `idx` which is indeed a dynamic object produced by `torch.randint()`. Under the hood, this op calls...

Dynamic `sym_sizes_custom()` fails at `.test_reference_eager_median_xla_int64`

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## 🐛 Bug The dynamic version of `sym_sizes_custom` causes size mismatch failures. ``` ====================================================================== FAIL: test_reference_eager_median_xla_int64 (__main__.TestOpInfoXLA) ---------------------------------------------------------------------- Traceback (most recent call last): File "/opt/conda/lib/python3.7/site-packages/torch/testing/_internal/common_device_type.py", line 377, in instantiated_test result...

`sym_size_custom` implementation for dynamic shape fails at `tensor.sum().backward()` call

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## 🐛 Bug `sym_size_custom` implementation for dynamic shape causes the following error. I wonder if this is due to WIP on autograd implementation. Wdyt @Krovatkin? ``` ====================================================================== ERROR: test_nn_scalars_reductions_xla (__main__.TestNNDeviceTypeXLA)...