[DLPack] add NumPy exchange tests.#150216
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ysiraichi wants to merge 13 commits intogh/ysiraichi/84/basefrom
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[DLPack] add NumPy exchange tests.#150216ysiraichi wants to merge 13 commits intogh/ysiraichi/84/basefrom
ysiraichi wants to merge 13 commits intogh/ysiraichi/84/basefrom
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🔗 Helpful Links🧪 See artifacts and rendered test results at hud.pytorch.org/pr/150216
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This was referenced Mar 28, 2025
msaroufim
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could be a seperate PR but I'd really love to also see some tests testing moving gpu tensors to a framework that also supports gpus
albanD
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Small updates needed, but SGTM otherwise
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Starting merge as part of PR stack under #150691 |
This PR resolves an old TODO that requested NumPy DLPack exchange tests once version 1.22 was required. [ghstack-poisoned]
This PR resolves an old TODO that requested NumPy DLPack exchange tests once version 1.22 was required. [ghstack-poisoned]
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Starting merge as part of PR stack under #150691 |
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This PR fixes the logic for dealing with CUDA and ROCm streams whenever we are trying to create a DLPack capsule from a tensor. In summary, this PR: - Uses the legacy default stream if `tensor.__dlpack__(stream=None)` is called for a CUDA tensor. - Errors if `tensor.__dlpack__(stream=2)` is called for a CUDA tensor: PyTorch doesn't support the per-thread default stream. - Errors if `tensor.__dlpack__(stream=stream)`, where `stream` is 1 or 2, is called for a CUDA tensor using ROCm. For more details, see [the documentation][1]. [1]: https://data-apis.org/array-api/latest/API_specification/generated/array_api.array.__dlpack__.html Pull Request resolved: #150217 Approved by: https://github.com/msaroufim, https://github.com/albanD ghstack dependencies: #150216
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This PR introduces the rest of the keyword-arguments added in DLPack version 2023.12: `dl_device` and `copy`. In summary, we handle these arguments in the C++ implementation of `to_dlpack(...)` at _torch/csrc/Module.cpp_, by calling the `maybeCopyTensor` function at _aten/src/ATen/DLConvertor.cpp_. It also introduces the following changes: - Add a new Python API `torchDeviceToDLDevice()`, which is simply a refactoring of the `getDLDevice()` function at _aten/src/ATen/DLConvertor.cpp_. - Add both keyword-arguments to the `from_dlpack()` function at _torch/utils/dlpack.py_ and to the `Tensor.__dlpack__()` dunder method. Pull Request resolved: #150218 Approved by: https://github.com/albanD ghstack dependencies: #150216, #150217
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This PR addresses the Array API documentation for [`__dlpack__`][1] and [`from_dlpack`][2] by making some buffer-related errors `BufferError` instead of `RuntimeError`, e.g. incompatible dtype, strides, or device. [1]: https://data-apis.org/array-api/latest/API_specification/generated/array_api.array.__dlpack__.html [2]: https://data-apis.org/array-api/latest/API_specification/generated/array_api.from_dlpack.html#from-dlpack Pull Request resolved: #150691 Approved by: https://github.com/Skylion007, https://github.com/albanD ghstack dependencies: #150216, #150217, #150218
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Stack from ghstack (oldest at bottom):
BufferErrorfor DLPack buffer-related errors. #150691This PR resolves an old TODO that requested NumPy DLPack exchange tests
once version 1.22 was required.