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Ensure 0-index in constant buffer is carried through #5145

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merged 1 commit into from
Sep 6, 2024

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lucylq
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@lucylq lucylq commented Sep 6, 2024

Summary:
Corner case:

  • no constants
  • some non-constants

Then, the placeholder 0 value inside constant_buffer is not carried over to constant segment.

This diff ensures the placeholder 0 value for non-constants is always carried over. Instead of checking len(constant_buffer_data), we check len(constant_buffer_offsets). The placeholder has no data, but it will create an offset entry in SubsegmentOffsets.

Reviewed By: dbort

Differential Revision: D62209852

Summary:
Corner case:
- no constants
- some non-constants

Then, the placeholder 0 value inside constant_buffer is not carried over to constant segment.

This diff ensures the placeholder 0 value for non-constants is always carried over. Instead of checking len(constant_buffer_data), we check len(constant_buffer_offsets). The placeholder has no data, but it will create an offset entry in `SubsegmentOffsets`.

Reviewed By: dbort

Differential Revision: D62209852
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pytorch-bot bot commented Sep 6, 2024

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🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/5145

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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 Sep 6, 2024
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This pull request was exported from Phabricator. Differential Revision: D62209852

@facebook-github-bot facebook-github-bot merged commit 8afdc48 into pytorch:main Sep 6, 2024
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3 participants