| ================================================================================================ |
| BYTE_STREAM_SPLIT INT32 |
| ================================================================================================ |
| |
| OpenJDK 64-Bit Server VM 21.0.12+8-LTS on Linux 6.17.0-1020-azure |
| AMD EPYC 7763 64-Core Processor |
| BYTE_STREAM_SPLIT INT32: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative |
| ------------------------------------------------------------------------------------------------------------------------ |
| Spark vectorized readIntegers 2 2 0 532.5 1.9 1.0X |
| Spark vectorized readIntegersAsLongs 2 3 1 430.2 2.3 0.8X |
| Spark vectorized readIntegersAsDoubles 2 2 1 476.2 2.1 0.9X |
| parquet-mr readInteger (per-value) 9 9 1 122.7 8.1 0.2X |
| |
| |
| ================================================================================================ |
| BYTE_STREAM_SPLIT INT64 |
| ================================================================================================ |
| |
| OpenJDK 64-Bit Server VM 21.0.12+8-LTS on Linux 6.17.0-1020-azure |
| AMD EPYC 7763 64-Core Processor |
| BYTE_STREAM_SPLIT INT64: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative |
| ------------------------------------------------------------------------------------------------------------------------ |
| Spark vectorized readLongs 6 6 1 171.5 5.8 1.0X |
| Spark vectorized readLongsAsInts 6 6 1 171.7 5.8 1.0X |
| parquet-mr readLong (per-value) 13 13 1 82.2 12.2 0.5X |
| |
| |
| ================================================================================================ |
| BYTE_STREAM_SPLIT FLOAT |
| ================================================================================================ |
| |
| OpenJDK 64-Bit Server VM 21.0.12+8-LTS on Linux 6.17.0-1020-azure |
| AMD EPYC 7763 64-Core Processor |
| BYTE_STREAM_SPLIT FLOAT: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative |
| ------------------------------------------------------------------------------------------------------------------------ |
| Spark vectorized readFloats 2 2 1 527.7 1.9 1.0X |
| Spark vectorized readFloatsAsDoubles 2 2 1 459.2 2.2 0.9X |
| parquet-mr readFloat (per-value) 8 9 0 123.7 8.1 0.2X |
| |
| |
| ================================================================================================ |
| BYTE_STREAM_SPLIT DOUBLE |
| ================================================================================================ |
| |
| OpenJDK 64-Bit Server VM 21.0.12+8-LTS on Linux 6.17.0-1020-azure |
| AMD EPYC 7763 64-Core Processor |
| BYTE_STREAM_SPLIT DOUBLE: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative |
| ------------------------------------------------------------------------------------------------------------------------ |
| Spark vectorized readDoubles 6 6 1 171.4 5.8 1.0X |
| parquet-mr readDouble (per-value) 13 13 1 82.0 12.2 0.5X |
| |
| |
| ================================================================================================ |
| BYTE_STREAM_SPLIT FLBA |
| ================================================================================================ |
| |
| OpenJDK 64-Bit Server VM 21.0.12+8-LTS on Linux 6.17.0-1020-azure |
| AMD EPYC 7763 64-Core Processor |
| BYTE_STREAM_SPLIT FLBA: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative |
| --------------------------------------------------------------------------------------------------------------------------------------- |
| Spark vectorized readBinary (width=12) 24 26 2 43.0 23.2 1.0X |
| Spark per-value readBinary (old updater path, width=12) 29 29 1 36.3 27.5 0.8X |
| parquet-mr readBinary (per-value, width=12) 37 38 2 28.3 35.3 0.7X |
| |
| |
