feat: add delta-compressed collective refit - #2444

Merged

terrykong merged 18 commits into

NVIDIA-NeMo:mainfrom

HollowMan6:delta_weight_transfer

Jul 19, 2026

Commits on Jul 18, 2026

feat: add S3-based delta-compressed collective refit
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cc0076a
Add zeromq implementation
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ab626af
add more test cases
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b7160b5
minimizing the code surface for easier maintainance
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Add calculator
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Clean up
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only keep xor and overwrite
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Use mcore local baseline
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Fix test cases
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Remove vllm internal overwrite
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378c329
Clean up
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Remove mcore local baseline and clean up
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Clean up
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f7c1eec
Add nightly tests
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0ce0497
Increase nightly compute
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011a259
Clean up test command
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5a257c4
Address review issues
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More detailed diagram in docs
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