nevi-me commented on PR #1746:
URL: https://github.com/apache/arrow-rs/pull/1746#issuecomment-1139585721
amd64, 3900x on a pcie4 SSD, less dramatic but still great
```rust
Warning: Unable to complete 100 samples in 5.0s. You may wish to increase
target time to 9.0s, enable flat sampling, or reduce sample count to 50.
write_batch primitive/4096 values primitive
time: [1.6179 ms 1.6298 ms 1.6462 ms]
thrpt: [107.17 MiB/s 108.24 MiB/s 109.04 MiB/s]
change:
time: [-31.768% -19.351% -7.9981%] (p = 0.00 <
0.05)
thrpt: [+8.6934% +23.994% +46.559%]
Performance has improved.
Found 4 outliers among 100 measurements (4.00%)
1 (1.00%) high mild
3 (3.00%) high severe
Benchmarking write_batch primitive/4096 values primitive non-null: Warming
up for 3.0000 s
Warning: Unable to complete 100 samples in 5.0s. You may wish to increase
target time to 7.1s, enable flat sampling, or reduce sample count to 50.
write_batch primitive/4096 values primitive non-null
time: [1.3544 ms 1.3650 ms 1.3777 ms]
thrpt: [128.05 MiB/s 129.25 MiB/s 130.25 MiB/s]
change:
time: [-20.261% -14.076% -10.278%] (p = 0.00 <
0.05)
thrpt: [+11.455% +16.382% +25.409%]
Performance has improved.
Found 10 outliers among 100 measurements (10.00%)
4 (4.00%) high mild
6 (6.00%) high severe
write_batch primitive/4096 values bool
time: [98.617 us 99.677 us 101.01 us]
thrpt: [11.254 MiB/s 11.405 MiB/s 11.527 MiB/s]
change:
time: [-42.532% -30.107% -17.429%] (p = 0.00 <
0.05)
thrpt: [+21.108% +43.076% +74.009%]
Performance has improved.
Found 10 outliers among 100 measurements (10.00%)
2 (2.00%) high mild
8 (8.00%) high severe
write_batch primitive/4096 values bool non-null
time: [51.438 us 51.798 us 52.269 us]
thrpt: [21.749 MiB/s 21.946 MiB/s 22.100 MiB/s]
change:
time: [-36.532% -34.935% -33.116%] (p = 0.00 <
0.05)
thrpt: [+49.513% +53.693% +57.560%]
Performance has improved.
Found 8 outliers among 100 measurements (8.00%)
3 (3.00%) high mild
5 (5.00%) high severe
write_batch primitive/4096 values string
time: [771.00 us 790.87 us 832.66 us]
thrpt: [95.586 MiB/s 100.64 MiB/s 103.23 MiB/s]
change:
time: [-8.6599% -2.6996% +8.1085%] (p = 0.73 >
0.05)
thrpt: [-7.5003% +2.7745% +9.4810%]
No change in performance detected.
Found 7 outliers among 100 measurements (7.00%)
1 (1.00%) high mild
6 (6.00%) high severe
write_batch primitive/4096 values string non-null
time: [780.70 us 785.66 us 793.50 us]
thrpt: [100.30 MiB/s 101.30 MiB/s 101.95 MiB/s]
change:
time: [-11.689% -9.2061% -6.3254%] (p = 0.00 <
0.05)
thrpt: [+6.7525% +10.140% +13.236%]
Performance has improved.
Found 11 outliers among 100 measurements (11.00%)
8 (8.00%) high mild
3 (3.00%) high severe
Benchmarking write_batch nested/4096 values primitive list: Warming up for
3.0000 s
Warning: Unable to complete 100 samples in 5.0s. You may wish to increase
target time to 8.0s, enable flat sampling, or reduce sample count to 50.
write_batch nested/4096 values primitive list
time: [1.5257 ms 1.5327 ms 1.5410 ms]
thrpt: [106.28 MiB/s 106.86 MiB/s 107.35 MiB/s]
change:
time: [-18.698% -10.026% +0.4958%] (p = 0.04 <
0.05)
thrpt: [-0.4934% +11.143% +22.998%]
Change within noise threshold.
Found 12 outliers among 100 measurements (12.00%)
4 (4.00%) high mild
8 (8.00%) high severe
write_batch nested/4096 values primitive list non-null
time: [1.9924 ms 2.0106 ms 2.0334 ms]
thrpt: [95.194 MiB/s 96.274 MiB/s 97.150 MiB/s]
change:
time: [-11.857% -10.947% -9.8362%] (p = 0.00 <
0.05)
thrpt: [+10.909% +12.292% +13.452%]
Performance has improved.
Found 7 outliers among 100 measurements (7.00%)
1 (1.00%) high mild
6 (6.00%) high severe
```
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