multithread memory optimize error fix #37894
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Zjq9409
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Dec 10, 2021
* multithread_memory_optimize
JZZ-NOTE
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* multithread_memory_optimize
Superjomn
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PR types
Bug fixes
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Describe
修复多线程下 createpredictor 报错问题。
问题原因：passes 是 单例，但在 memory_optimize_pass 中，graph 和 max_life_cycle 都是成员变量，成为多线程的互斥资源。