[GitHub] eric-haibin-lin commented on issue #13598: More fine-grained operator implementation dispatch & memory planning flow

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eric-haibin-lin commented on issue #13598: More fine-grained operator implementation dispatch & memory planning flow 
URL: https://github.com/apache/incubator-mxnet/issues/13598#issuecomment-446343940
 
 
   @marcoabreu thanks for the comments. True that the existing infer_storage interface and the proposed infer_storage_ex interface both need to write backend specific logics. What kind of abstraction would you like to see? Let's say each backend provides one implementation which only concerns that backend itself. Now how does MXNet provide a general guide to select/prioritize these implementations if it is built with MKLDNN+CUDA+AMDHIP? What order would you propose to invoke these functions, and what if one of them conflicts with other backends? How does MXNet resolve these conflicts? 
   I do want to limit the discussion to memory planning itself so that @DickJC123 's work on NHWC can be unblocked as soon as possible. 

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