fix(train): Fix step & destroy group #2168
Merged
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dist.barrier()
移动到new_group
之前,强制同步,减少超时出现的频率destroy_process_group
,对已经完成使命的group_join
进行析构,避免 超过ulimit -u
中限制的max user processes
RuntimeError: Resource temporarily unavailable due to running out of threads (ulimit -u) jax-ml/jax#2685