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Summary of Changes
Hello @chenyushuo, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!
This pull request introduces comprehensive support for FSDP2 (Fully Sharded Data Parallel 2), enhancing the system's capability to train larger models more efficiently by adapting to the new FSDP version's parameter management and synchronization mechanisms. Additionally, it includes a minor but important fix to ensure proper initialization of a plugin directory environment variable, improving overall system robustness.
Highlights
- FSDP2 Integration: Implemented support for FSDP2, including updates to FSDP configuration parameters and modifications to the weight synchronization mechanism in FSDP workers to handle both FSDP and FSDP2 strategies.
- Environment Variable Handling: Corrected an issue where the
PLUGIN_DIRS_ENV_VARwas not properly initialized whenplugin_dirwasNone, ensuring it defaults to an empty string instead.
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Code Review
This pull request adds support for FSDP2 by updating configurations and adding new logic paths in fsdp_workers.py and other files. The changes are generally good, but I have identified a couple of areas for improvement. My feedback focuses on enhancing the efficiency of the new FSDP2 implementation and ensuring strict configuration validation to prevent potential issues.
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/unittest-all |
Summary
Tests
Github Test Reporter by CTRF 💚 |
yaochaorui
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Aug 27, 2025
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Description
fsdp_workers.pyto support FSDP2PLUGIN_DIRS_ENV_VARwhenplugin_diris NoneChecklist
Please check the following items before code is ready to be reviewed.