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Posted to discuss-archive@tvm.apache.org by JC Li via TVM Discuss <no...@discuss.tvm.ai> on 2020/04/02 22:36:16 UTC

[TVM Discuss] [Questions] Cached Key/Function in Lower process


I noticed these terms "CCachedKey", "CCachedFunc" in lowering process in <top of tree>/src/relay/backend/compile_engine.cc.

1. Why is there a 'cache'? 
2. What's its relationship to the lowering process? 

Thanks.





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[TVM Discuss] [Questions] Cached Key/Function in Lower process

Posted by Zhuochen via TVM Discuss <no...@discuss.tvm.ai>.


Perhaps it is for compiling efficiency ?

In a NN Graph, there might exist many same structure relay functions (after relay Graph-Level Opt)。

So during lowering process, when meets a already lowered  relay function, no need to lower again





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