[slimtensor] Add CUDA slimtensor creation with basic functionality #16439
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This diff enables CUDA tensor creation with basic tensor functionality and factory function support **Key changes:* 1. **`core/SlimTensor.h`** - Extended for CUDA support: - Added `is_cuda()` method to check if tensor is on CUDA device 2. **`factory/Empty.h`** - Supports CUDA: - `empty_strided()` and `empty()` work with CUDA device via `new_storage()` - Device routing is handled by `MaybeOwningStorage` constructor Differential Revision: [D89948527](https://our.internmc.facebook.com/intern/diff/D89948527/) [ghstack-poisoned]
🔗 Helpful Links🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/16439
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…ionality" This diff enables CUDA tensor creation with basic tensor functionality and factory function support **Key changes:* 1. **`core/SlimTensor.h`** - Extended for CUDA support: - Added `is_cuda()` method to check if tensor is on CUDA device 2. **`factory/Empty.h`** - Supports CUDA: - `empty_strided()` and `empty()` work with CUDA device via `new_storage()` - Device routing is handled by `MaybeOwningStorage` constructor Differential Revision: [D89948527](https://our.internmc.facebook.com/intern/diff/D89948527/) [ghstack-poisoned]
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Stack from ghstack (oldest at bottom):
This diff enables CUDA tensor creation with basic tensor functionality and factory function support
*Key changes:
core/SlimTensor.h- Extended for CUDA support:is_cuda()method to check if tensor is on CUDA devicefactory/Empty.h- Supports CUDA:empty_strided()andempty()work with CUDA device vianew_storage()MaybeOwningStorageconstructorDifferential Revision: D89948527