================================================================================================ Rebasing dates/timestamps in Parquet datasource ================================================================================================ OpenJDK 64-Bit Server VM 11.0.6+10-post-Ubuntu-1ubuntu118.04.1 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz Save dates to parquet: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ after 1582, noop 21171 21171 0 4.7 211.7 1.0X before 1582, noop 11036 11036 0 9.1 110.4 1.9X after 1582, rebase off 34321 34321 0 2.9 343.2 0.6X after 1582, rebase on 33269 33269 0 3.0 332.7 0.6X before 1582, rebase off 22016 22016 0 4.5 220.2 1.0X before 1582, rebase on 23338 23338 0 4.3 233.4 0.9X OpenJDK 64-Bit Server VM 11.0.6+10-post-Ubuntu-1ubuntu118.04.1 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz Load dates from parquet: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ after 1582, vec off, rebase off 12791 13089 287 7.8 127.9 1.0X after 1582, vec off, rebase on 13203 13271 81 7.6 132.0 1.0X after 1582, vec on, rebase off 3709 3764 49 27.0 37.1 3.4X after 1582, vec on, rebase on 5082 5114 29 19.7 50.8 2.5X before 1582, vec off, rebase off 13059 13153 87 7.7 130.6 1.0X before 1582, vec off, rebase on 14211 14236 27 7.0 142.1 0.9X before 1582, vec on, rebase off 3687 3749 72 27.1 36.9 3.5X before 1582, vec on, rebase on 5449 5497 56 18.4 54.5 2.3X OpenJDK 64-Bit Server VM 11.0.6+10-post-Ubuntu-1ubuntu118.04.1 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz Save timestamps to parquet: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ after 1582, noop 2831 2831 0 35.3 28.3 1.0X before 1582, noop 2816 2816 0 35.5 28.2 1.0X after 1582, rebase off 15543 15543 0 6.4 155.4 0.2X after 1582, rebase on 18391 18391 0 5.4 183.9 0.2X before 1582, rebase off 15747 15747 0 6.4 157.5 0.2X before 1582, rebase on 18846 18846 0 5.3 188.5 0.2X OpenJDK 64-Bit Server VM 11.0.6+10-post-Ubuntu-1ubuntu118.04.1 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz Load timestamps from parquet: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ after 1582, vec off, rebase off 16126 16216 78 6.2 161.3 1.0X after 1582, vec off, rebase on 18277 18453 165 5.5 182.8 0.9X after 1582, vec on, rebase off 5030 5067 42 19.9 50.3 3.2X after 1582, vec on, rebase on 8553 8583 43 11.7 85.5 1.9X before 1582, vec off, rebase off 15828 15872 39 6.3 158.3 1.0X before 1582, vec off, rebase on 18899 18959 103 5.3 189.0 0.9X before 1582, vec on, rebase off 4961 5009 43 20.2 49.6 3.3X before 1582, vec on, rebase on 9099 9140 40 11.0 91.0 1.8X ================================================================================================ Rebasing dates/timestamps in ORC datasource ================================================================================================ OpenJDK 64-Bit Server VM 11.0.6+10-post-Ubuntu-1ubuntu118.04.1 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz Save dates to ORC: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ after 1582, noop 21026 21026 0 4.8 210.3 1.0X before 1582, noop 11040 11040 0 9.1 110.4 1.9X after 1582 28171 28171 0 3.5 281.7 0.7X before 1582 18955 18955 0 5.3 189.5 1.1X OpenJDK 64-Bit Server VM 11.0.6+10-post-Ubuntu-1ubuntu118.04.1 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz Load dates from ORC: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ after 1582, vec off 10876 10931 49 9.2 108.8 1.0X after 1582, vec on 3900 3913 20 25.6 39.0 2.8X before 1582, vec off 11165 11174 12 9.0 111.6 1.0X before 1582, vec on 4208 4214 7 23.8 42.1 2.6X OpenJDK 64-Bit Server VM 11.0.6+10-post-Ubuntu-1ubuntu118.04.1 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz Save timestamps to ORC: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ after 1582, noop 2924 2924 0 34.2 29.2 1.0X before 1582, noop 2820 2820 0 35.5 28.2 1.0X after 1582 22228 22228 0 4.5 222.3 0.1X before 1582 22590 22590 0 4.4 225.9 0.1X OpenJDK 64-Bit Server VM 11.0.6+10-post-Ubuntu-1ubuntu118.04.1 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz Load timestamps from ORC: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ after 1582, vec off 13591 13658 59 7.4 135.9 1.0X after 1582, vec on 7399 7488 126 13.5 74.0 1.8X before 1582, vec off 14065 14096 30 7.1 140.7 1.0X before 1582, vec on 7950 8127 249 12.6 79.5 1.7X