| ================================================================================================ |
| BYTE_STREAM_SPLIT INT32 |
| ================================================================================================ |
| |
| OpenJDK 64-Bit Server VM 25.0.3+9-LTS on Linux 6.17.0-1018-azure |
| AMD EPYC 9V74 80-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 0 567.2 1.8 1.0X |
| Spark vectorized readIntegersAsLongs 2 2 0 463.2 2.2 0.8X |
| Spark vectorized readIntegersAsDoubles 2 2 0 465.5 2.1 0.8X |
| parquet-mr readInteger (per-value) 8 8 0 134.2 7.5 0.2X |
| |
| |
| ================================================================================================ |
| BYTE_STREAM_SPLIT INT64 |
| ================================================================================================ |
| |
| OpenJDK 64-Bit Server VM 25.0.3+9-LTS on Linux 6.17.0-1018-azure |
| AMD EPYC 9V74 80-Core Processor |
| BYTE_STREAM_SPLIT INT64: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative |
| ------------------------------------------------------------------------------------------------------------------------ |
| Spark vectorized readLongs 7 7 0 152.0 6.6 1.0X |
| Spark vectorized readLongsAsInts 7 7 0 156.5 6.4 1.0X |
| parquet-mr readLong (per-value) 13 13 0 83.6 12.0 0.6X |
| |
| |
| ================================================================================================ |
| BYTE_STREAM_SPLIT FLOAT |
| ================================================================================================ |
| |
| OpenJDK 64-Bit Server VM 25.0.3+9-LTS on Linux 6.17.0-1018-azure |
| AMD EPYC 9V74 80-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 0 569.1 1.8 1.0X |
| Spark vectorized readFloatsAsDoubles 2 2 0 521.5 1.9 0.9X |
| parquet-mr readFloat (per-value) 8 8 0 132.8 7.5 0.2X |
| |
| |
| ================================================================================================ |
| BYTE_STREAM_SPLIT DOUBLE |
| ================================================================================================ |
| |
| OpenJDK 64-Bit Server VM 25.0.3+9-LTS on Linux 6.17.0-1018-azure |
| AMD EPYC 9V74 80-Core Processor |
| BYTE_STREAM_SPLIT DOUBLE: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative |
| ------------------------------------------------------------------------------------------------------------------------ |
| Spark vectorized readDoubles 7 7 0 152.1 6.6 1.0X |
| parquet-mr readDouble (per-value) 13 13 0 83.3 12.0 0.5X |
| |
| |
| ================================================================================================ |
| BYTE_STREAM_SPLIT FLBA |
| ================================================================================================ |
| |
| OpenJDK 64-Bit Server VM 25.0.3+9-LTS on Linux 6.17.0-1018-azure |
| AMD EPYC 9V74 80-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) 26 26 2 40.9 24.4 1.0X |
| Spark per-value readBinary (old updater path, width=12) 27 28 1 38.6 25.9 0.9X |
| parquet-mr readBinary (per-value, width=12) 39 39 1 27.1 36.9 0.7X |
| |
| |
