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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/05/22 15:22:24 UTC
[GitHub] [arrow-rs] tustvold commented on pull request #1722: Fix BitReader::get_batch zero extension (#1708)
tustvold commented on PR #1722:
URL: https://github.com/apache/arrow-rs/pull/1722#issuecomment-1133919286
Unfortunately this does represent a performance regression, but better slow and correct, than fast and incorrect. I'll have a think about how we might reduce this
```
arrow_array_reader/Int64Array/binary packed, mandatory, no NULLs
time: [57.063 us 57.083 us 57.103 us]
change: [+96.098% +96.190% +96.272%] (p = 0.00 < 0.05)
Performance has regressed.
Found 2 outliers among 100 measurements (2.00%)
2 (2.00%) high mild
arrow_array_reader/Int64Array/binary packed, optional, no NULLs
time: [69.239 us 69.262 us 69.285 us]
change: [+75.438% +75.559% +75.670%] (p = 0.00 < 0.05)
Performance has regressed.
Found 1 outliers among 100 measurements (1.00%)
1 (1.00%) high mild
arrow_array_reader/Int64Array/binary packed, optional, half NULLs
time: [49.888 us 49.967 us 50.119 us]
change: [+32.282% +32.712% +33.038%] (p = 0.00 < 0.05)
Performance has regressed.
Found 5 outliers among 100 measurements (5.00%)
3 (3.00%) high mild
2 (2.00%) high severe
```
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