[GitHub] [arrow] jianxind edited a comment on pull request #7029: ARROW-8579 [C++] SIMD for spaced decoding and encoding.

[GitBox <gi...@apache.org>]

jianxind edited a comment on pull request #7029:
URL: https://github.com/apache/arrow/pull/7029#issuecomment-618855696


   Below is the benchmark data on size 4096.
   
   Scalar:
   BM_PlainDecodingSpacedBoolean/4096        5894 ns         5888 ns       118928 bytes_per_second=663.435M/s
   BM_PlainDecodingSpacedFloat/4096          3362 ns         3358 ns       209023 bytes_per_second=4.54393G/s
   BM_PlainDecodingSpacedDouble/4096         3625 ns         3622 ns       192998 bytes_per_second=8.42641G/s
   
   BM_PlainEncodingSpacedBoolean/4096        6319 ns         6313 ns       110791 bytes_per_second=618.767M/s
   BM_PlainEncodingSpacedFloat/4096          4432 ns         4426 ns       158687 bytes_per_second=3.44732G/s
   BM_PlainEncodingSpacedDouble/4096         4873 ns         4858 ns       143571 bytes_per_second=6.2815G/s
   
   SSE:
   BM_PlainDecodingSpacedBoolean/4096        2841 ns         2838 ns       246636 bytes_per_second=1.34394G/s
   BM_PlainDecodingSpacedFloat/4096          1272 ns         1271 ns       551415 bytes_per_second=12.0043G/s
   BM_PlainDecodingSpacedDouble/4096         2454 ns         2451 ns       285807 bytes_per_second=12.4491G/s
   
   BM_PlainEncodingSpacedBoolean/4096        3744 ns         3740 ns       187030 bytes_per_second=1044.38M/s
   BM_PlainEncodingSpacedFloat/4096          3105 ns         3101 ns       223733 bytes_per_second=4.91998G/s
   BM_PlainEncodingSpacedDouble/4096         1128 ns         1127 ns       621762 bytes_per_second=6.76959G/s
   
   AVX512:
   BM_PlainDecodingSpacedBoolean/4096         848 ns          847 ns       824442 bytes_per_second=4.50542G/s
   BM_PlainDecodingSpacedFloat/4096           544 ns          543 ns      1290583 bytes_per_second=28.076G/s
   BM_PlainDecodingSpacedDouble/4096         1244 ns         1243 ns       567255 bytes_per_second=24.5575G/s
   
   BM_PlainEncodingSpacedBoolean/4096        3481 ns         3478 ns       201293 bytes_per_second=1123.16M/s
   BM_PlainEncodingSpacedFloat/4096          1666 ns         1664 ns       413996 bytes_per_second=9.16787G/s
   BM_PlainEncodingSpacedDouble/4096          636 ns          635 ns      1103326 bytes_per_second=12.0144G/s


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