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
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