================================================================================================ Int Read/Write ================================================================================================ OpenJDK 64-Bit Server VM 1.8.0_282-b08 on Linux 5.4.0-1043-azure Intel(R) Xeon(R) CPU E5-2673 v4 @ 2.30GHz Int Read/Write: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ Java Array 274 279 5 1196.8 0.8 1.0X ByteBuffer Unsafe 476 487 6 687.7 1.5 0.6X ByteBuffer API 2024 2030 8 161.9 6.2 0.1X DirectByteBuffer 702 755 47 466.8 2.1 0.4X Unsafe Buffer 250 266 13 1311.9 0.8 1.1X Column(on heap) 260 272 7 1258.0 0.8 1.1X Column(off heap) 528 540 13 620.1 1.6 0.5X Column(off heap direct) 265 272 6 1236.9 0.8 1.0X UnsafeRow (on heap) 551 556 4 594.8 1.7 0.5X UnsafeRow (off heap) 565 586 19 579.9 1.7 0.5X Column On Heap Append 544 552 10 602.1 1.7 0.5X ================================================================================================ Boolean Read/Write ================================================================================================ OpenJDK 64-Bit Server VM 1.8.0_282-b08 on Linux 5.4.0-1043-azure Intel(R) Xeon(R) CPU E5-2673 v4 @ 2.30GHz Boolean Read/Write: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ Bitset 1009 1026 25 332.6 3.0 1.0X Byte Array 756 768 11 443.7 2.3 1.3X ================================================================================================ String Read/Write ================================================================================================ OpenJDK 64-Bit Server VM 1.8.0_282-b08 on Linux 5.4.0-1043-azure Intel(R) Xeon(R) CPU E5-2673 v4 @ 2.30GHz String Read/Write: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ On Heap 396 408 9 41.3 24.2 1.0X Off Heap 673 696 20 24.3 41.1 0.6X ================================================================================================ Array Vector Read ================================================================================================ OpenJDK 64-Bit Server VM 1.8.0_282-b08 on Linux 5.4.0-1043-azure Intel(R) Xeon(R) CPU E5-2673 v4 @ 2.30GHz Array Vector Read: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ On Heap Read Size Only 458 486 16 357.6 2.8 1.0X Off Heap Read Size Only 260 275 9 630.6 1.6 1.8X On Heap Read Elements 3315 3349 48 49.4 20.2 0.1X Off Heap Read Elements 5265 5304 55 31.1 32.1 0.1X