[Feature] Implement update_weights_from_disk for SGLang-D (Diffusion …#18306

Merged

zhaochenyang20 merged 37 commits intosgl-project:mainfrom

dreamyang-liu:feat/diffusion-update-weights-from-disk

Feb 18, 2026

Commits on Feb 14, 2026

[Feature] Implement update_weights_from_disk for SGLang-D (Diffusion Engine)
dreamyang-liu
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[diffusion] refactor: extract WeightsUpdater for update_weights_from_disk
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chore: isort lint
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[diffusion] offload-aware weight updates and cleanup
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[diffusion] refactor: move post-training API to dedicated package and align naming
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[diffusion] refactor: extract get_updatable_modules and harden WeightsUpdater
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[diffusion] address comments
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adds doc string to diffusion rifit test

zhaochenyang20
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dreamyang-liu
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[diffusion] Add /get_weights_checksum endpoint for SHA-256 weight verification
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[diffusion] Add corrupted-weight rollback test for update_weights_from_disk
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[diffusion] Parametrize weight-update tests over FLUX and Qwen model pairs
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[diffusion] Optimize weight-update tests
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Merge branch 'feat/diffusion-update-weights-from-disk' of github.com:dreamyang-liu/sglang into feat/diffusion-update-weights-from-disk
zhaochenyang20
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[TODO] model weights is updated only once
zhaochenyang20
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Deduplicated tests; Should clean up
zhaochenyang20
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clean up codes with mixin; currently spanning 16mins; too long; should reduce it again
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Update docstring for GetWeightsChecksumReqInput
zhaochenyang20
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Refine docstring for weight checksum verification
zhaochenyang20
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Simplify comments in layerwise offload method
zhaochenyang20
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Improve documentation for iter_materialized_weights
zhaochenyang20
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Commits on Feb 15, 2026

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Commits on Feb 18, 2026