================================================================================================
WITHOUT SPILL
================================================================================================

OpenJDK 64-Bit Server VM 1.8.0_222-b10 on Linux 3.10.0-862.3.2.el7.x86_64
Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
Array with 100000 rows:                   Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
------------------------------------------------------------------------------------------------------------------------
ArrayBuffer                                        7626           7776         212         13.4          74.5       1.0X
ExternalAppendOnlyUnsafeRowArray                   8432           8498          93         12.1          82.3       0.9X

OpenJDK 64-Bit Server VM 1.8.0_222-b10 on Linux 3.10.0-862.3.2.el7.x86_64
Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
Array with 1000 rows:                     Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
------------------------------------------------------------------------------------------------------------------------
ArrayBuffer                                       11753          11763          15         22.3          44.8       1.0X
ExternalAppendOnlyUnsafeRowArray                  38921          39236         446          6.7         148.5       0.3X

OpenJDK 64-Bit Server VM 1.8.0_222-b10 on Linux 3.10.0-862.3.2.el7.x86_64
Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
Array with 30000 rows:                    Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
------------------------------------------------------------------------------------------------------------------------
ArrayBuffer                                       23820          23829          12         20.6          48.5       1.0X
ExternalAppendOnlyUnsafeRowArray                  33449          33466          25         14.7          68.1       0.7X


================================================================================================
WITH SPILL
================================================================================================

OpenJDK 64-Bit Server VM 1.8.0_222-b10 on Linux 3.10.0-862.3.2.el7.x86_64
Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
Spilling with 1000 rows:                  Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
------------------------------------------------------------------------------------------------------------------------
UnsafeExternalSorter                              31384          31479         135          8.4         119.7       1.0X
ExternalAppendOnlyUnsafeRowArray                  15278          15303          35         17.2          58.3       2.1X

OpenJDK 64-Bit Server VM 1.8.0_222-b10 on Linux 3.10.0-862.3.2.el7.x86_64
Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
Spilling with 10000 rows:                 Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
------------------------------------------------------------------------------------------------------------------------
UnsafeExternalSorter                                 11             11           1         14.7          68.0       1.0X
ExternalAppendOnlyUnsafeRowArray                      9             10           1         17.1          58.5       1.2X