modify graph_pattern to thread_local #43942
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jiweibo
approved these changes
Jun 30, 2022
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PR types
Bug fixes
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Describe
由于 graph pattern 是进程共享的单例，导致同一个进程中的不同 predictor 的 pass 编号互相影响，同一模型初始化顺序不同，pass 创建的 var name 不同，trt 序列化的 key 不同，无法复用。
将进程共享的单例改为 thread local，但部分平台可能不支持，先支持 gpu 合入