pengzhao-intel commented on issue #9939: add multi proposal operator (cpu 
version) and fix the bug in proposal op (gpu version)
URL: https://github.com/apache/incubator-mxnet/pull/9939#issuecomment-371026517
 
 
   @wkcn thanks for the detail profiling data.
   
   Regarding sorting, you can use MKL sort in case the library is set to MKL. 
It will be much faster than sequential sort.
   https://software.intel.com/en-us/mkl-developer-reference-c-lasrt
   
   Regarding calculating nms, the current implementation is not very good for 
the better performance. @xinyu-intel  will do several experiments in local and 
back to you later.
   

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