add chunk offload optimizer #11084
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add chunk offload optimizer #11084
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GuoxiaWang
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Sep 12, 2025
GuoxiaWang
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ZHUI
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Sep 15, 2025
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| sharding_offload_opt_buffersize_GB: int = field( |
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这个参数以GB为单位，同时看到还有些 MB的单位的size。
目前框架中支持GB为单位吗? 看是否有必要支持MB单位的配置，后续也可以这个参数转为float，支持更精细的配置。
AlAuAu
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Oct 23, 2025
* add chunk offload optimizer * fix get offload_opt_buffer_size arg
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Description
部分优化器状态offload，适用于sharding路数较少必须offload优化器状态才能跑起来的场景
只在export HACK_OFFLOAD_OPTIMIZER=1的情况下生效