feat(megatron-bridge): add pretrain trainer, hooks, and configs#647
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feat(megatron-bridge): add pretrain trainer, hooks, and configs#647WangLingxun wants to merge 1 commit intomainfrom
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WangLingxun
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Apr 7, 2026
WangLingxun
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- Add Megatron-Bridge pretrain support by implementing MegatronBridgePretrainTrainer and wiring it to the Bridge pretrain entrypoint.
- Introduce Megatron-Bridge pretrain module config and example YAMLs (qwen3_32b_pretrain, qwen3_8b_pretrain) with recipe-compatible overrides.
- Add framework-local pretrain hooks for Megatron-Bridge (prepare.py, 00_install_requirements.sh, requirements file) to align with runner hook conventions.
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- Add Megatron-Bridge pretrain support by implementing MegatronBridgePretrainTrainer and wiring it to the Bridge pretrain entrypoint. - Introduce Megatron-Bridge pretrain module config and example YAMLs (qwen3_32b_pretrain, qwen3_8b_pretrain) with recipe-compatible overrides. - Add framework-local pretrain hooks for Megatron-Bridge (prepare.py, 00_install_requirements.sh, requirements file) to align with runner hook conventions.
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