================================================================================================ Int Read/Write ================================================================================================ OpenJDK 64-Bit Server VM 11.0.4+11-LTS on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz Int Read/Write: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ Java Array 233 234 0 1406.0 0.7 1.0X ByteBuffer Unsafe 396 397 0 826.5 1.2 0.6X ByteBuffer API 603 605 3 543.0 1.8 0.4X DirectByteBuffer 1189 1196 9 275.6 3.6 0.2X Unsafe Buffer 321 324 3 1022.0 1.0 0.7X Column(on heap) 235 236 2 1393.1 0.7 1.0X Column(off heap) 524 526 1 624.8 1.6 0.4X Column(off heap direct) 317 318 1 1034.1 1.0 0.7X UnsafeRow (on heap) 690 693 3 474.8 2.1 0.3X UnsafeRow (off heap) 642 646 3 510.1 2.0 0.4X Column On Heap Append 522 527 4 628.0 1.6 0.4X ================================================================================================ Boolean Read/Write ================================================================================================ OpenJDK 64-Bit Server VM 11.0.4+11-LTS on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz Boolean Read/Write: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ Bitset 778 780 3 431.1 2.3 1.0X Byte Array 355 356 1 944.9 1.1 2.2X ================================================================================================ String Read/Write ================================================================================================ OpenJDK 64-Bit Server VM 11.0.4+11-LTS on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz String Read/Write: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ On Heap 447 453 5 36.6 27.3 1.0X Off Heap 652 658 4 25.1 39.8 0.7X ================================================================================================ Array Vector Read ================================================================================================ OpenJDK 64-Bit Server VM 11.0.4+11-LTS on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz Array Vector Read: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ On Heap Read Size Only 101 102 0 1616.4 0.6 1.0X Off Heap Read Size Only 305 307 2 536.8 1.9 0.3X On Heap Read Elements 4255 4256 1 38.5 26.0 0.0X Off Heap Read Elements 6097 6104 10 26.9 37.2 0.0X