Jimexist commented on pull request #564:
URL: https://github.com/apache/arrow-datafusion/pull/564#issuecomment-865041167


   updated to 1million samples, 8k batch size:
   
   ```
   window empty over, aggregate functions
                           time:   [32.030 ms 32.251 ms 32.498 ms]
   Found 9 outliers among 100 measurements (9.00%)
     1 (1.00%) low mild
     4 (4.00%) high mild
     4 (4.00%) high severe
   
   window empty over, built-in functions
                           time:   [25.202 ms 25.453 ms 25.716 ms]
   Found 10 outliers among 100 measurements (10.00%)
     1 (1.00%) low mild
     5 (5.00%) high mild
     4 (4.00%) high severe
   
   Benchmarking window order by, aggregate functions: Warming up for 3.0000 s
   Warning: Unable to complete 100 samples in 5.0s. You may wish to increase 
target time to 17.1s, or reduce sample count to 20.
   window order by, aggregate functions
                           time:   [168.14 ms 169.41 ms 170.74 ms]
   Found 7 outliers among 100 measurements (7.00%)
     3 (3.00%) low mild
     3 (3.00%) high mild
     1 (1.00%) high severe
   
   Benchmarking window order by, built-in functions: Warming up for 3.0000 s
   Warning: Unable to complete 100 samples in 5.0s. You may wish to increase 
target time to 15.5s, or reduce sample count to 30.
   window order by, built-in functions
                           time:   [153.69 ms 155.38 ms 157.13 ms]
   Found 3 outliers among 100 measurements (3.00%)
     3 (3.00%) high mild
   
   Benchmarking window partition by, u64_wide, aggregate functions: Warming up 
for 3.0000 s
   Warning: Unable to complete 100 samples in 5.0s. You may wish to increase 
target time to 25.5s, or reduce sample count to 10.
   window partition by, u64_wide, aggregate functions
                           time:   [249.29 ms 251.94 ms 254.74 ms]
   Found 1 outliers among 100 measurements (1.00%)
     1 (1.00%) high mild
   
   Benchmarking window partition by, u64_narrow, aggregate functions: Warming 
up for 3.0000 s
   Warning: Unable to complete 100 samples in 5.0s. You may wish to increase 
target time to 12.8s, or reduce sample count to 30.
   window partition by, u64_narrow, aggregate functions
                           time:   [136.66 ms 138.32 ms 140.00 ms]
   Found 2 outliers among 100 measurements (2.00%)
     1 (1.00%) low mild
     1 (1.00%) high mild
   
   Benchmarking window partition by, u64_wide, built-in functions: Warming up 
for 3.0000 s
   Warning: Unable to complete 100 samples in 5.0s. You may wish to increase 
target time to 23.0s, or reduce sample count to 20.
   window partition by, u64_wide, built-in functions
                           time:   [212.94 ms 214.92 ms 217.02 ms]
   Found 4 outliers among 100 measurements (4.00%)
     3 (3.00%) high mild
     1 (1.00%) high severe
   
   Benchmarking window partition by, u64_narrow, built-in functions: Warming up 
for 3.0000 s
   Warning: Unable to complete 100 samples in 5.0s. You may wish to increase 
target time to 12.0s, or reduce sample count to 40.
   window partition by, u64_narrow, built-in functions
                           time:   [114.67 ms 115.70 ms 116.78 ms]
   Found 2 outliers among 100 measurements (2.00%)
     2 (2.00%) high mild
   
   Benchmarking window partition and order by, u64_wide, aggregate functions: 
Warming up for 3.0000 s
   Warning: Unable to complete 100 samples in 5.0s. You may wish to increase 
target time to 42.3s, or reduce sample count to 10.
   window partition and order by, u64_wide, aggregate functions
                           time:   [424.65 ms 427.99 ms 431.40 ms]
   Found 1 outliers among 100 measurements (1.00%)
     1 (1.00%) high mild
   
   Benchmarking window partition and order by, u64_narrow, aggregate functions: 
Warming up for 3.0000 s
   Warning: Unable to complete 100 samples in 5.0s. You may wish to increase 
target time to 62.7s, or reduce sample count to 10.
   window partition and order by, u64_narrow, aggregate functions
                           time:   [603.14 ms 607.66 ms 612.26 ms]
   
   Benchmarking window partition and order by, u64_wide, built-in functions: 
Warming up for 3.0000 s
   Warning: Unable to complete 100 samples in 5.0s. You may wish to increase 
target time to 38.5s, or reduce sample count to 10.
   window partition and order by, u64_wide, built-in functions
                           time:   [381.45 ms 384.54 ms 387.73 ms]
   Found 2 outliers among 100 measurements (2.00%)
     2 (2.00%) high mild
   
   Benchmarking window partition and order by, u64_narrow, built-in functions: 
Warming up for 3.0000 s
   Warning: Unable to complete 100 samples in 5.0s. You may wish to increase 
target time to 39.2s, or reduce sample count to 10.
   window partition and order by, u64_narrow, built-in functions
                           time:   [382.72 ms 385.97 ms 389.31 ms]
   Found 2 outliers among 100 measurements (2.00%)
     2 (2.00%) high mild
   
   ```


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