tustvold commented on PR #4513:
URL: https://github.com/apache/arrow-rs/pull/4513#issuecomment-1634468874

   No major regressions and a nice speed bump for date parsing
   
   ```
   cast utf8 to date32 512 time:   [9.4216 µs 9.4270 µs 9.4332 µs]
                           change: [-77.107% -77.045% -76.983%] (p = 0.00 < 
0.05)
                           Performance has improved.
   Found 8 outliers among 100 measurements (8.00%)
     2 (2.00%) high mild
     6 (6.00%) high severe
   
   cast utf8 to date64 512 time:   [42.573 µs 42.581 µs 42.591 µs]
                           change: [-37.832% -37.753% -37.612%] (p = 0.00 < 
0.05)
                           Performance has improved.
   Found 7 outliers among 100 measurements (7.00%)
     5 (5.00%) high mild
     2 (2.00%) high severe
   ```


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