[GitHub] ashokei commented on issue #10773: specify common arch for mkldnn build, so it can be reused on all arch

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ashokei commented on issue #10773: specify common arch for mkldnn build, so it can be reused on all arch
URL: https://github.com/apache/incubator-mxnet/pull/10773#issuecomment-386153872
 
 
   If we build on same machine, and use on same machine then there is no problem. I notice CI , or other use-cases where we may be building on one machine and copying mkldnn lib along with mxnet to other machine with differnt arch. This PR will make the build be compatible by using a common baseline.
   
   There will not be any performance impact, as the mkldnn kernels/primitives are generated runtime based on underlying arch. This PR is only to make the build itself compatible across systems.

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