tustvold opened a new pull request, #5964:
URL: https://github.com/apache/arrow-datafusion/pull/5964
# Which issue does this PR close?
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Part of #5882
# Rationale for this change
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```
merge sorted utf8 low cardinality
time: [5.0056 ms 5.0200 ms 5.0368 ms]
change: [-24.330% -24.082% -23.834%] (p = 0.00 <
0.05)
Performance has improved.
Found 11 outliers among 100 measurements (11.00%)
5 (5.00%) high mild
6 (6.00%) high severe
sort merge utf8 low cardinality
time: [5.7681 ms 5.7938 ms 5.8190 ms]
change: [-21.867% -21.399% -20.931%] (p = 0.00 <
0.05)
Performance has improved.
merge sorted utf8 high cardinality
time: [7.8982 ms 7.9206 ms 7.9468 ms]
change: [-14.207% -13.879% -13.546%] (p = 0.00 <
0.05)
Performance has improved.
Found 7 outliers among 100 measurements (7.00%)
2 (2.00%) high mild
5 (5.00%) high severe
sort merge utf8 high cardinality
time: [9.1147 ms 9.1690 ms 9.2234 ms]
change: [-13.848% -13.085% -12.344%] (p = 0.00 <
0.05)
Performance has improved.
````
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