pitrou commented on pull request #6985: URL: https://github.com/apache/arrow/pull/6985#issuecomment-628495592
Ok, here is with clang 9.0. * Before: ``` BM_ReadColumn<false,Int32Type> 3907221 ns 3904115 ns 179 bytes_per_second=10.0055G/s BM_ReadColumn<true,Int32Type> 24519395 ns 24505645 ns 28 bytes_per_second=2.39103G/s BM_ReadColumn<false,Int64Type> 7180572 ns 7174186 ns 98 bytes_per_second=10.8897G/s BM_ReadColumn<true,Int64Type> 29619694 ns 29608069 ns 23 bytes_per_second=3.2983G/s BM_ReadColumn<false,DoubleType> 7441291 ns 7434806 ns 86 bytes_per_second=10.508G/s BM_ReadColumn<true,DoubleType> 30991035 ns 30975255 ns 24 bytes_per_second=3.15272G/s BM_ReadColumn<false,BooleanType> 10626337 ns 10622931 ns 66 bytes_per_second=941.36M/s BM_ReadColumn<true,BooleanType> 29892031 ns 29878906 ns 23 bytes_per_second=1004.05M/s BM_ReadIndividualRowGroups 15414099 ns 15402186 ns 43 bytes_per_second=6.34042G/s BM_ReadMultipleRowGroups 15087609 ns 15078640 ns 42 bytes_per_second=6.47646G/s ``` * After: ``` BM_ReadColumn<false,Int32Type> 3858847 ns 3855927 ns 181 bytes_per_second=10.1305G/s BM_ReadColumn<true,Int32Type> 17606021 ns 17594549 ns 38 bytes_per_second=3.33022G/s BM_ReadColumn<false,Int64Type> 7164074 ns 7158771 ns 98 bytes_per_second=10.9132G/s BM_ReadColumn<true,Int64Type> 22593565 ns 22579690 ns 29 bytes_per_second=4.32496G/s BM_ReadColumn<false,DoubleType> 7399623 ns 7393991 ns 97 bytes_per_second=10.566G/s BM_ReadColumn<true,DoubleType> 22415125 ns 22400757 ns 27 bytes_per_second=4.35951G/s BM_ReadColumn<false,BooleanType> 10240053 ns 10236365 ns 68 bytes_per_second=976.909M/s BM_ReadColumn<true,BooleanType> 22663603 ns 22651544 ns 31 bytes_per_second=1.29337G/s BM_ReadIndividualRowGroups 11406811 ns 11398414 ns 61 bytes_per_second=8.56753G/s BM_ReadMultipleRowGroups 11314315 ns 11305522 ns 56 bytes_per_second=8.63792G/s ``` ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected]
