[feat] fsdp2 memory_efficient_init#117

Merged

kevssim merged 37 commits intomodelscope:mainfrom

kevssim:optimize_fsdp_init

Mar 25, 2026

Commits on Mar 18, 2026

feat(fsdp2): add _broadcast_sharded_state_dict, _get_non_persistent_buffers, _restore_non_persistent_buffers helpers
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feat(fsdp2): enable cpu_ram_efficient_loading for both strategies; pass memory_efficient through _lazy_wrap_model
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refactor(fsdp2): use _non_persistent_buffers_set for precise non-persistent buffer detection
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Merge branch 'optimize_fsdp_init' of https://github.com/kevssim/twinkle into optimize_fsdp_init
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wip
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test(fsdp2): make tests platform-agnostic (cuda/npu) via Platform API
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fix(test): pass inputs as List[InputFeature] to forward_backward
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fix(test): add position_ids to e2e test batch
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fix(test): simplify e2e test to only verify wrap_model, avoid processor device issues
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Commits on Mar 19, 2026

Commits on Mar 24, 2026

Commits on Mar 25, 2026