Fix for ZeRO stage 3 prefetch queue #1849
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tjruwase
reviewed
Mar 22, 2022
deepspeed/runtime/zero/stage3.py
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| @@ -350,7 +350,7 @@ def fetch_sub_module(self, current_submodule: Module) -> None: | |||
| params_to_fetch)) | |||
| while self.__param_queue and len(discarded_from_prefetch_queue) < len( | |||
| params_not_already_fetched): | |||
| param_in_trace = self.__param_queue.popleft() | |||
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Thanks @tjruwase - yes I am seeing a bug introduced in #1453 that triggers this Runtime Error for some models
mrwyattii
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Fix to bug found while addressing #1795