[GitHub] [incubator-mxnet] leezu edited a comment on issue #17521: cmake: don't build PTX and 3.5 arch if cuda arch detection fails

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leezu edited a comment on issue #17521: cmake: don't build PTX and 3.5 arch if cuda arch detection fails
URL: https://github.com/apache/incubator-mxnet/pull/17521#issuecomment-584925758
 
 
   Thanks for checking. Based on this information, would you recommend to target SM 3 or 3.5?
   
   It seems ldg instruction has a significant impact? https://stackoverflow.com/questions/26603188/what-is-the-difference-between-ldg-intrinsic-and-a-normal-execution
   
   Do you have any further suggestions for the PR? I still need to figure out why the license check is failing, but once that is done can I go ahead to merge?

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