================================================================================================ aggregate without grouping ================================================================================================ OpenJDK 64-Bit Server VM 1.8.0_181-b13 on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz agg w/o group: Best/Avg Time(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------ agg w/o group wholestage off 65374 / 70665 32.1 31.2 1.0X agg w/o group wholestage on 1178 / 1209 1779.8 0.6 55.5X ================================================================================================ stat functions ================================================================================================ OpenJDK 64-Bit Server VM 1.8.0_181-b13 on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz stddev: Best/Avg Time(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------ stddev wholestage off 8667 / 8851 12.1 82.7 1.0X stddev wholestage on 1266 / 1273 82.8 12.1 6.8X OpenJDK 64-Bit Server VM 1.8.0_181-b13 on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz kurtosis: Best/Avg Time(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------ kurtosis wholestage off 41218 / 41231 2.5 393.1 1.0X kurtosis wholestage on 1347 / 1357 77.8 12.8 30.6X ================================================================================================ aggregate with linear keys ================================================================================================ OpenJDK 64-Bit Server VM 1.8.0_181-b13 on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz Aggregate w keys: Best/Avg Time(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------ codegen = F 9309 / 9389 9.0 111.0 1.0X codegen = T hashmap = F 4417 / 4435 19.0 52.7 2.1X codegen = T hashmap = T 1289 / 1298 65.1 15.4 7.2X ================================================================================================ aggregate with randomized keys ================================================================================================ OpenJDK 64-Bit Server VM 1.8.0_181-b13 on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz Aggregate w keys: Best/Avg Time(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------ codegen = F 11424 / 11426 7.3 136.2 1.0X codegen = T hashmap = F 6441 / 6496 13.0 76.8 1.8X codegen = T hashmap = T 2333 / 2344 36.0 27.8 4.9X ================================================================================================ aggregate with string key ================================================================================================ OpenJDK 64-Bit Server VM 1.8.0_181-b13 on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz Aggregate w string key: Best/Avg Time(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------ codegen = F 4751 / 4890 4.4 226.5 1.0X codegen = T hashmap = F 3146 / 3182 6.7 150.0 1.5X codegen = T hashmap = T 2211 / 2261 9.5 105.4 2.1X ================================================================================================ aggregate with decimal key ================================================================================================ OpenJDK 64-Bit Server VM 1.8.0_181-b13 on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz Aggregate w decimal key: Best/Avg Time(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------ codegen = F 3029 / 3062 6.9 144.4 1.0X codegen = T hashmap = F 1534 / 1569 13.7 73.2 2.0X codegen = T hashmap = T 575 / 578 36.5 27.4 5.3X ================================================================================================ aggregate with multiple key types ================================================================================================ OpenJDK 64-Bit Server VM 1.8.0_181-b13 on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz Aggregate w multiple keys: Best/Avg Time(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------ codegen = F 7506 / 7521 2.8 357.9 1.0X codegen = T hashmap = F 4791 / 4808 4.4 228.5 1.6X codegen = T hashmap = T 3553 / 3585 5.9 169.4 2.1X ================================================================================================ max function bytecode size of wholestagecodegen ================================================================================================ OpenJDK 64-Bit Server VM 1.8.0_181-b13 on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz max function bytecode size: Best/Avg Time(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------ codegen = F 608 / 656 1.1 927.1 1.0X codegen = T hugeMethodLimit = 10000 402 / 419 1.6 613.5 1.5X codegen = T hugeMethodLimit = 1500 616 / 619 1.1 939.9 1.0X ================================================================================================ cube ================================================================================================ OpenJDK 64-Bit Server VM 1.8.0_181-b13 on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz cube: Best/Avg Time(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------ cube wholestage off 3229 / 3237 1.6 615.9 1.0X cube wholestage on 1285 / 1306 4.1 245.2 2.5X ================================================================================================ hash and BytesToBytesMap ================================================================================================ OpenJDK 64-Bit Server VM 1.8.0_181-b13 on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz BytesToBytesMap: Best/Avg Time(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------ UnsafeRowhash 328 / 330 64.0 15.6 1.0X murmur3 hash 167 / 167 125.4 8.0 2.0X fast hash 84 / 85 249.0 4.0 3.9X arrayEqual 192 / 192 109.3 9.1 1.7X Java HashMap (Long) 144 / 147 145.9 6.9 2.3X Java HashMap (two ints) 147 / 153 142.3 7.0 2.2X Java HashMap (UnsafeRow) 785 / 788 26.7 37.4 0.4X LongToUnsafeRowMap (opt=false) 456 / 457 46.0 21.8 0.7X LongToUnsafeRowMap (opt=true) 125 / 125 168.3 5.9 2.6X BytesToBytesMap (off Heap) 885 / 885 23.7 42.2 0.4X BytesToBytesMap (on Heap) 860 / 864 24.4 41.0 0.4X Aggregate HashMap 56 / 56 373.9 2.7 5.8X