pitrou commented on pull request #6985: URL: https://github.com/apache/arrow/pull/6985#issuecomment-626620567
I see a slight slowdown here: * git master: ``` ------------------------------------------------------------------------------------------- Benchmark Time CPU Iterations UserCounters... ------------------------------------------------------------------------------------------- BM_ReadColumn<false,Int32Type> 3817689 ns 3814696 ns 733 bytes_per_second=10.24G/s BM_ReadColumn<true,Int32Type> 27211615 ns 27194320 ns 99 bytes_per_second=2.15463G/s BM_ReadColumn<false,Int64Type> 7085595 ns 7079927 ns 399 bytes_per_second=11.0347G/s BM_ReadColumn<true,Int64Type> 29967050 ns 29951421 ns 89 bytes_per_second=3.26049G/s BM_ReadColumn<false,DoubleType> 7098703 ns 7093371 ns 398 bytes_per_second=11.0138G/s BM_ReadColumn<true,DoubleType> 30548935 ns 30532825 ns 89 bytes_per_second=3.1984G/s BM_ReadColumn<false,BooleanType> 11931142 ns 11928150 ns 235 bytes_per_second=838.353M/s BM_ReadColumn<true,BooleanType> 29983466 ns 29970561 ns 92 bytes_per_second=1000.98M/s BM_ReadIndividualRowGroups 15547894 ns 15538074 ns 183 bytes_per_second=6.28497G/s BM_ReadMultipleRowGroups 15692019 ns 15682364 ns 182 bytes_per_second=6.22714G/s ``` * this PR: ``` ------------------------------------------------------------------------------------------- Benchmark Time CPU Iterations UserCounters... ------------------------------------------------------------------------------------------- BM_ReadColumn<false,Int32Type> 3819328 ns 3816352 ns 740 bytes_per_second=10.2356G/s BM_ReadColumn<true,Int32Type> 30445380 ns 30429672 ns 89 bytes_per_second=1.92555G/s BM_ReadColumn<false,Int64Type> 7134237 ns 7128926 ns 397 bytes_per_second=10.9589G/s BM_ReadColumn<true,Int64Type> 35230806 ns 35215688 ns 81 bytes_per_second=2.77309G/s BM_ReadColumn<false,DoubleType> 7007725 ns 7001947 ns 394 bytes_per_second=11.1576G/s BM_ReadColumn<true,DoubleType> 33062963 ns 33046208 ns 83 bytes_per_second=2.95514G/s BM_ReadColumn<false,BooleanType> 12116716 ns 12113217 ns 232 bytes_per_second=825.545M/s BM_ReadColumn<true,BooleanType> 33176910 ns 33163314 ns 84 bytes_per_second=904.614M/s BM_ReadIndividualRowGroups 18253632 ns 18243651 ns 160 bytes_per_second=5.35289G/s BM_ReadMultipleRowGroups 18032877 ns 18022962 ns 157 bytes_per_second=5.41843G/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]
