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ReshardingAPI Host Memory Offloading and BenchmarkReshardingHandler #3291

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isururanawaka
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Summary:

  • Implements tensor offloading to host memory inside resharding API
  • Add BenchmarkReshardingHandler
    • generate random plans
    • calls DDP reshard API by selecting random plans
  • Add reset method to train_pipelines.py

Differential Revision: D80366926

@meta-cla meta-cla 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 Aug 15, 2025
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This pull request was exported from Phabricator. Differential Revision: D80366926

isururanawaka added a commit to isururanawaka/torchrec that referenced this pull request Aug 15, 2025
…ytorch#3291)

Summary:

- Implements tensor offloading to host memory inside resharding API
- Add BenchmarkReshardingHandler
    - generate random plans
    - calls DDP reshard API by selecting random plans
- Add reset method to train_pipelines.py

Differential Revision: D80366926
@facebook-github-bot
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This pull request was exported from Phabricator. Differential Revision: D80366926

…ytorch#3291)

Summary:

- Implements tensor offloading to host memory inside resharding API
- Add BenchmarkReshardingHandler
    - generate random plans
    - calls DDP reshard API by selecting random plans
- Add reset method to train_pipelines.py

Differential Revision: D80366926
@facebook-github-bot
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This pull request was exported from Phabricator. Differential Revision: D80366926

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