0001 ================================================================================================
0002 Int Read/Write
0003 ================================================================================================
0004
0005 OpenJDK 64-Bit Server VM 11.0.4+11-LTS on Linux 3.10.0-862.3.2.el7.x86_64
0006 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
0007 Int Read/Write: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative
0008 ------------------------------------------------------------------------------------------------------------------------
0009 Java Array 233 234 0 1406.0 0.7 1.0X
0010 ByteBuffer Unsafe 396 397 0 826.5 1.2 0.6X
0011 ByteBuffer API 603 605 3 543.0 1.8 0.4X
0012 DirectByteBuffer 1189 1196 9 275.6 3.6 0.2X
0013 Unsafe Buffer 321 324 3 1022.0 1.0 0.7X
0014 Column(on heap) 235 236 2 1393.1 0.7 1.0X
0015 Column(off heap) 524 526 1 624.8 1.6 0.4X
0016 Column(off heap direct) 317 318 1 1034.1 1.0 0.7X
0017 UnsafeRow (on heap) 690 693 3 474.8 2.1 0.3X
0018 UnsafeRow (off heap) 642 646 3 510.1 2.0 0.4X
0019 Column On Heap Append 522 527 4 628.0 1.6 0.4X
0020
0021
0022 ================================================================================================
0023 Boolean Read/Write
0024 ================================================================================================
0025
0026 OpenJDK 64-Bit Server VM 11.0.4+11-LTS on Linux 3.10.0-862.3.2.el7.x86_64
0027 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
0028 Boolean Read/Write: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative
0029 ------------------------------------------------------------------------------------------------------------------------
0030 Bitset 778 780 3 431.1 2.3 1.0X
0031 Byte Array 355 356 1 944.9 1.1 2.2X
0032
0033
0034 ================================================================================================
0035 String Read/Write
0036 ================================================================================================
0037
0038 OpenJDK 64-Bit Server VM 11.0.4+11-LTS on Linux 3.10.0-862.3.2.el7.x86_64
0039 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
0040 String Read/Write: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative
0041 ------------------------------------------------------------------------------------------------------------------------
0042 On Heap 447 453 5 36.6 27.3 1.0X
0043 Off Heap 652 658 4 25.1 39.8 0.7X
0044
0045
0046 ================================================================================================
0047 Array Vector Read
0048 ================================================================================================
0049
0050 OpenJDK 64-Bit Server VM 11.0.4+11-LTS on Linux 3.10.0-862.3.2.el7.x86_64
0051 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
0052 Array Vector Read: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative
0053 ------------------------------------------------------------------------------------------------------------------------
0054 On Heap Read Size Only 101 102 0 1616.4 0.6 1.0X
0055 Off Heap Read Size Only 305 307 2 536.8 1.9 0.3X
0056 On Heap Read Elements 4255 4256 1 38.5 26.0 0.0X
0057 Off Heap Read Elements 6097 6104 10 26.9 37.2 0.0X
0058
0059
