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Posted to dev@singa.apache.org by GitBox <gi...@apache.org> on 2020/02/20 09:46:23 UTC

[GitHub] [singa] dcslin commented on issue #605: Dnnl perf issue

dcslin commented on issue #605: Dnnl perf issue
URL: https://github.com/apache/singa/pull/605#issuecomment-588863868
 
 
   Hi this is to fix the performance issue https://github.com/apache/singa/issues/591
   
   The issue is very weird and spent a lot time of checking small difference between the example code and our code. the only observation for now is creating dnnl `primitive desc` and `memory desc` in the `convhandle` would dramatically slow the performance ( 2ms to 80ms per oepration). Thus moving all the `pd` and `md` into the scope of individual operation for now.
   
   And extra performance testings are added .

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