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[4/N] Add backend options map #11462

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@cccclai cccclai commented Jun 6, 2025

Stack from ghstack (oldest at bottom):

This is to manage the backend <-> BackendOptions map. Users will create the bakcend options map, and ET runtime will read the backend name, and dispatch the list of backend options to each backend.

Differential Revision: D76149466

This is to manage the backend <-> BackendOptions map. Users will create the bakcend options map, and ET runtime will read the backend name, and dispatch the list of backend options to each backend.

Differential Revision: [D76149466](https://our.internmc.facebook.com/intern/diff/D76149466/)

[ghstack-poisoned]
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pytorch-bot bot commented Jun 6, 2025

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/11462

Note: Links to docs will display an error until the docs builds have been completed.

❌ 1 New Failure, 1 Cancelled Job, 3 Unrelated Failures

As of commit 5685bf2 with merge base f7cc72f (image):

NEW FAILURE - The following job has failed:

CANCELLED JOB - The following job was cancelled. Please retry:

FLAKY - The following job failed but was likely due to flakiness present on trunk:

BROKEN TRUNK - The following jobs failed but was present on the merge base:

👉 Rebase onto the `viable/strict` branch to avoid these failures

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@facebook-github-bot facebook-github-bot added the CLA Signed This label is managed by the Facebook bot. Authors need to sign the CLA before a PR can be reviewed. label Jun 6, 2025
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This pull request was exported from Phabricator. Differential Revision: D76149466

This is to manage the backend <-> BackendOptions map. Users will create the bakcend options map, and ET runtime will read the backend name, and dispatch the list of backend options to each backend.

Differential Revision: [D76149466](https://our.internmc.facebook.com/intern/diff/D76149466/)

[ghstack-poisoned]
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This pull request was exported from Phabricator. Differential Revision: D76149466

This is to manage the backend <-> BackendOptions map. Users will create the bakcend options map, and ET runtime will read the backend name, and dispatch the list of backend options to each backend.

Differential Revision: [D76149466](https://our.internmc.facebook.com/intern/diff/D76149466/)

[ghstack-poisoned]
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This pull request was exported from Phabricator. Differential Revision: D76149466

Comment on lines 74 to 76
return executorch::runtime::ArrayRef<BackendOption>(options_, size_);
}
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is this method needed?

};

template <size_t MaxBackends>
class BackendOptionsMap {
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why do we need this?

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This is to manage the mapping between backend_name and backend options. Like
{
"XNNPACK": ["profile": true, "thread": 4],
"QNN": ["power": "high"],
}

This is to manage the backend <-> BackendOptions map. Users will create the bakcend options map, and ET runtime will read the backend name, and dispatch the list of backend options to each backend.

Differential Revision: [D76149466](https://our.internmc.facebook.com/intern/diff/D76149466/)

[ghstack-poisoned]
cccclai added a commit that referenced this pull request Jun 13, 2025
Pull Request resolved: #11462

This is to manage the backend <-> BackendOptions map. Users will create the bakcend options map, and ET runtime will read the backend name, and dispatch the list of backend options to each backend.
ghstack-source-id: 290371659
@exported-using-ghexport

Differential Revision: [D76149466](https://our.internmc.facebook.com/intern/diff/D76149466/)
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This pull request was exported from Phabricator. Differential Revision: D76149466

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