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fix ZCH inference input dist error #2682

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emlin
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@emlin emlin commented Jan 14, 2025

Summary:
Serving test failed when ZCH sharding is enabled because embedding lookup request Out of Bound.

After compared with training sharding input_dist, found that the keep_orig_idx flag is True when calling training block bucketize kernel, but not set in inference. So this diff is to make that consistent between training and inference, so the ID distribution works the same between training and inference.

Differential Revision: D68123290

@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 Jan 14, 2025
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This pull request was exported from Phabricator. Differential Revision: D68123290

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LGTM

Summary:

Serving test failed when ZCH sharding is enabled because embedding lookup request Out of Bound.

After compared with training sharding input_dist, found that the keep_orig_idx flag is True when calling training block bucketize kernel, but not set in inference. So this diff is to make that consistent between training and inference, so the ID distribution works the same between training and inference.

Reviewed By: kausv

Differential Revision: D68123290
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This pull request was exported from Phabricator. Differential Revision: D68123290

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