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add size and stride for empty shard DT #2662

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Summary: Bringing DT empty shard on rank to behave the same as ST empty shard. For OT, our current DT approach broke transfer learning because they expect the tensor.size() to return global shape, we amend the DT empty shard init to include global shape and stride.

Differential Revision: D67727355

@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 2, 2025
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This pull request was exported from Phabricator. Differential Revision: D67727355

iamzainhuda added a commit to iamzainhuda/torchrec that referenced this pull request Jan 2, 2025
Summary:

Bringing DT empty shard on rank to behave the same as ST empty shard. For OT, our current DT approach broke transfer learning because they expect the tensor.size() to return global shape, we amend the DT empty shard init to include global shape and stride.

Differential Revision: D67727355
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This pull request was exported from Phabricator. Differential Revision: D67727355

Summary:

Bringing DT empty shard on rank to behave the same as ST empty shard. For OT, our current DT approach broke transfer learning because they expect the tensor.size() to return global shape, we amend the DT empty shard init to include global shape and stride.

Differential Revision: D67727355
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This pull request was exported from Phabricator. Differential Revision: D67727355

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