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Improve performance of sha hashing expressions #3029

@andygrove

Description

@andygrove

What is the problem the feature request solves?

OpenJDK 64-Bit Server VM 17.0.17+10-Ubuntu-122.04 on Linux 6.8.0-90-generic
AMD Ryzen 9 7950X3D 16-Core Processor
sha1:                                     Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
------------------------------------------------------------------------------------------------------------------------
Spark                                               183            185           2          5.7         174.2       1.0X
Comet (Scan)                                        178            180           2          5.9         169.7       1.0X
Comet (Scan + Exec)                                 340            351          17          3.1         324.3       0.5X

OpenJDK 64-Bit Server VM 17.0.17+10-Ubuntu-122.04 on Linux 6.8.0-90-generic
AMD Ryzen 9 7950X3D 16-Core Processor
sha2_224:                                 Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
------------------------------------------------------------------------------------------------------------------------
Spark                                               189            193           2          5.6         180.1       1.0X
Comet (Scan)                                        181            185           2          5.8         172.2       1.0X
Comet (Scan + Exec)                                 435            437           1          2.4         415.1       0.4X

OpenJDK 64-Bit Server VM 17.0.17+10-Ubuntu-122.04 on Linux 6.8.0-90-generic
AMD Ryzen 9 7950X3D 16-Core Processor
sha2_256:                                 Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
------------------------------------------------------------------------------------------------------------------------
Spark                                               198            207          13          5.3         188.6       1.0X
Comet (Scan)                                        186            201          18          5.6         177.8       1.1X
Comet (Scan + Exec)                                 481            483           2          2.2         458.6       0.4X

OpenJDK 64-Bit Server VM 17.0.17+10-Ubuntu-122.04 on Linux 6.8.0-90-generic
AMD Ryzen 9 7950X3D 16-Core Processor
sha2_384:                                 Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
------------------------------------------------------------------------------------------------------------------------
Spark                                               311            316           3          3.4         296.8       1.0X
Comet (Scan)                                        313            317           3          3.3         298.7       1.0X
Comet (Scan + Exec)                                 778            779           1          1.3         742.3       0.4X

OpenJDK 64-Bit Server VM 17.0.17+10-Ubuntu-122.04 on Linux 6.8.0-90-generic
AMD Ryzen 9 7950X3D 16-Core Processor
sha2_512:                                 Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
------------------------------------------------------------------------------------------------------------------------
Spark                                               322            323           2          3.3         306.9       1.0X
Comet (Scan)                                        316            318           1          3.3         301.3       1.0X
Comet (Scan + Exec)                                 958            984          26          1.1         913.7       0.3X

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