[GitHub] edmBernard commented on issue #7380: strange phenomenon: 1080Ti is slower than maxwell gtx titan x. How to analysis the results of Profiler?

2017-08-08 Thread git
edmBernard commented on issue #7380: strange phenomenon: 1080Ti is slower than 
maxwell gtx titan x. How to analysis the results of Profiler?
URL: 
https://github.com/apache/incubator-mxnet/issues/7380#issuecomment-320886272
 
 
   I don't know for gpu driver and cuda version. But cudnn version have a large 
impact on performance
 

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[GitHub] edmBernard commented on issue #7380: strange phenomenon: 1080Ti is slower than maxwell gtx titan x. How to analysis the results of Profiler?

2017-08-08 Thread git
edmBernard commented on issue #7380: strange phenomenon: 1080Ti is slower than 
maxwell gtx titan x. How to analysis the results of Profiler?
URL: 
https://github.com/apache/incubator-mxnet/issues/7380#issuecomment-320881324
 
 
   maybe a stupid question but did you write model checkpoint at the end of 
iteration ? 
   Have you the same hard drive writing speed ?
 

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[GitHub] edmBernard commented on issue #7380: strange phenomenon: 1080Ti is slower than maxwell gtx titan x. How to analysis the results of Profiler?

2017-08-07 Thread git
edmBernard commented on issue #7380: strange phenomenon: 1080Ti is slower than 
maxwell gtx titan x. How to analysis the results of Profiler?
URL: 
https://github.com/apache/incubator-mxnet/issues/7380#issuecomment-320862930
 
 
   Are you sure the CPU is not the bottleneck ? 
   I just see there is 4 versions of  e5-2620. The v4 is amost equivalent to 
i7-4790k but the v1 is 70% slower.
 

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