[ET Device Support] MemoryManager: add per-buffer device metadata#18466
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Gasoonjia wants to merge 1 commit intogh/gasoonjia/149/basefrom
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[ET Device Support] MemoryManager: add per-buffer device metadata#18466Gasoonjia wants to merge 1 commit intogh/gasoonjia/149/basefrom
Gasoonjia wants to merge 1 commit intogh/gasoonjia/149/basefrom
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This diff extend MemoryManager with optional per-buffer device type metadata so the runtime explicitly knows which planned memory buffers are on which device. This enables future device-aware dispatch and debugging. Changes: - New constructor taking planned_buffer_devices as extra input for device info - New accessors: planned_buffer_devices(), has_device_memory() - No existing functionalities have been updated. Differential Revision: [D97850706](https://our.internmc.facebook.com/intern/diff/D97850706/) [ghstack-poisoned]
🔗 Helpful Links🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/18466
Note: Links to docs will display an error until the docs builds have been completed. ❌ 2 Awaiting Approval, 112 New Failures, 1 Unrelated FailureAs of commit 0c1f9bf with merge base 45a9717 ( AWAITING APPROVAL - The following workflows need approval before CI can run:
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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This was referenced Mar 24, 2026
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Stack from ghstack (oldest at bottom):
This diff extend MemoryManager with optional per-buffer device type metadata so the runtime explicitly knows which planned memory buffers are on which device. This enables future device-aware dispatch and debugging.
Changes:
Differential Revision: D97850706