[slimtensor] Add aoti_torch_copy_ for SlimTensor #16451
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Add SlimTensor-based `aoti_torch_copy_()` - Copies data from source tensor to destination tensor. Delegates to SlimTensor's `copy_()` which handles all device combinations (CPU-CPU, CPU-CUDA, CUDA-CPU, CUDA-CUDA). Differential Revision: [D90126246](https://our.internmc.facebook.com/intern/diff/D90126246/) [ghstack-poisoned]
🔗 Helpful Links🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/16451
Note: Links to docs will display an error until the docs builds have been completed. ❌ 2 New Failures, 1 Unrelated FailureAs of commit 7d26c5e with merge base 2c59f85 ( NEW FAILURES - The following jobs have failed:
BROKEN TRUNK - The following job failed but were present on the merge base:👉 Rebase onto the `viable/strict` branch to avoid these failures
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Add SlimTensor-based `aoti_torch_copy_()` - Copies data from source tensor to destination tensor. Delegates to SlimTensor's `copy_()` which handles all device combinations (CPU-CPU, CPU-CUDA, CUDA-CPU, CUDA-CUDA). Differential Revision: [D90126246](https://our.internmc.facebook.com/intern/diff/D90126246/) [ghstack-poisoned]
Add SlimTensor-based `aoti_torch_copy_()` - Copies data from source tensor to destination tensor. Delegates to SlimTensor's `copy_()` which handles all device combinations (CPU-CPU, CPU-CUDA, CUDA-CPU, CUDA-CUDA). Differential Revision: [D90126246](https://our.internmc.facebook.com/intern/diff/D90126246/) [ghstack-poisoned]
Add SlimTensor-based `aoti_torch_copy_()` - Copies data from source tensor to destination tensor. Delegates to SlimTensor's `copy_()` which handles all device combinations (CPU-CPU, CPU-CUDA, CUDA-CPU, CUDA-CUDA). Differential Revision: [D90126246](https://our.internmc.facebook.com/intern/diff/D90126246/) [ghstack-poisoned]
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Stack from ghstack (oldest at bottom):
Add SlimTensor-based
aoti_torch_copy_()- Copies data from source tensor to destination tensor. Delegates to SlimTensor'scopy_()which handles all device combinations (CPU-CPU, CPU-CUDA, CUDA-CPU, CUDA-CUDA).Differential Revision: D90126246