jianxind commented on pull request #7940:
URL: https://github.com/apache/arrow/pull/7940#issuecomment-672703888


   > @ursabot benchmark --suite-filter=parquet-encoding-benchmark 
--benchmark-filter=BM_PlainDecodingBoolean
   
   The benchmark machine not working now. Attach the data on my setup
   Before:
   ```
   BM_PlainDecodingBoolean/1024         618 ns          618 ns      1127308 
bytes_per_second=1.5435G/s
   BM_PlainDecodingBoolean/4096        2077 ns         2075 ns       337435 
bytes_per_second=1.83799G/s
   BM_PlainDecodingBoolean/32768      15613 ns        15597 ns        45041 
bytes_per_second=1.95666G/s
   BM_PlainDecodingBoolean/65536      31036 ns        31004 ns        22619 
bytes_per_second=1.96861G/s
   ```
   AVX2:
   ```
   BM_PlainDecodingBoolean/1024         314 ns          314 ns      2232819 
bytes_per_second=3.0417G/s
   BM_PlainDecodingBoolean/4096         925 ns          925 ns       755970 
bytes_per_second=4.12579G/s
   BM_PlainDecodingBoolean/32768       6602 ns         6595 ns       106197 
bytes_per_second=4.62716G/s
   BM_PlainDecodingBoolean/65536      13085 ns        13072 ns        53606 
bytes_per_second=4.669G/s
   ```
   AVX512:
   ```
   BM_PlainDecodingBoolean/1024         284 ns          283 ns      2470664 
bytes_per_second=3.36689G/s
   BM_PlainDecodingBoolean/4096         794 ns          794 ns       880595 
bytes_per_second=4.80645G/s
   BM_PlainDecodingBoolean/32768       5406 ns         5401 ns       129007 
bytes_per_second=5.65012G/s
   BM_PlainDecodingBoolean/65536      10688 ns        10677 ns        65521 
bytes_per_second=5.71639G/s
   ```


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