Support for as_nested_tensor() with jagged layout + fixed nested_tensor() semantics #112304
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…or() semantics [ghstack-poisoned]
🔗 Helpful Links🧪 See artifacts and rendered test results at hud.pytorch.org/pr/112304
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jbschlosser
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…or() semantics ghstack-source-id: 61b633c07d4c6309678ab13f57468d8bb4ce2afb Pull Request resolved: #112304
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cpuhrsch
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Merge startedYour change will be merged once all checks pass (ETA 0-4 Hours). Learn more about merging in the wiki. Questions? Feedback? Please reach out to the PyTorch DevX Team |
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xuhancn
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Nov 7, 2023
…or() semantics (pytorch#112304) This PR: * Adds support for the `layout` kwarg to `torch.nested.as_nested_tensor()` * Fixes `torch.nested.nested_tensor()` * It should accept a list of lists of scalars * It should not preserve autograd history * Adds extensive testing for these two functions Semantics for the two functions follow those of the strided layout: * `torch.nested.nested_tensor(tensor_list, layout=torch.jagged)`: Creates a new jagged layout NT **with no autograd history** * `tensor_list` can be a list of Tensors or list of lists of scalars * `torch.nested.as_nested_tensor(tensor_list, layout=torch.jagged)`: Creates a new jagged layout NT **preserving autograd history of `tensor_list`** * `tensor_list` must be a list of Tensors Pull Request resolved: pytorch#112304 Approved by: https://github.com/cpuhrsch, https://github.com/soulitzer
Skylion007
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…or() semantics (pytorch#112304) This PR: * Adds support for the `layout` kwarg to `torch.nested.as_nested_tensor()` * Fixes `torch.nested.nested_tensor()` * It should accept a list of lists of scalars * It should not preserve autograd history * Adds extensive testing for these two functions Semantics for the two functions follow those of the strided layout: * `torch.nested.nested_tensor(tensor_list, layout=torch.jagged)`: Creates a new jagged layout NT **with no autograd history** * `tensor_list` can be a list of Tensors or list of lists of scalars * `torch.nested.as_nested_tensor(tensor_list, layout=torch.jagged)`: Creates a new jagged layout NT **preserving autograd history of `tensor_list`** * `tensor_list` must be a list of Tensors Pull Request resolved: pytorch#112304 Approved by: https://github.com/cpuhrsch, https://github.com/soulitzer
andreigh
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Nov 19, 2023
…or() semantics (pytorch#112304) This PR: * Adds support for the `layout` kwarg to `torch.nested.as_nested_tensor()` * Fixes `torch.nested.nested_tensor()` * It should accept a list of lists of scalars * It should not preserve autograd history * Adds extensive testing for these two functions Semantics for the two functions follow those of the strided layout: * `torch.nested.nested_tensor(tensor_list, layout=torch.jagged)`: Creates a new jagged layout NT **with no autograd history** * `tensor_list` can be a list of Tensors or list of lists of scalars * `torch.nested.as_nested_tensor(tensor_list, layout=torch.jagged)`: Creates a new jagged layout NT **preserving autograd history of `tensor_list`** * `tensor_list` must be a list of Tensors Pull Request resolved: pytorch#112304 Approved by: https://github.com/cpuhrsch, https://github.com/soulitzer
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Stack from ghstack (oldest at bottom):
This PR:
layoutkwarg totorch.nested.as_nested_tensor()torch.nested.nested_tensor()Semantics for the two functions follow those of the strided layout:
torch.nested.nested_tensor(tensor_list, layout=torch.jagged): Creates a new jagged layout NT with no autograd historytensor_listcan be a list of Tensors or list of lists of scalarstorch.nested.as_nested_tensor(tensor_list, layout=torch.jagged): Creates a new jagged layout NT preserving autograd history oftensor_listtensor_listmust be a list of Tensors