alamb commented on PR #12395:
URL: https://github.com/apache/datafusion/pull/12395#issuecomment-2359617489
```
++ critcmp main string-view-trim
group
main string-view-trim
-----
---- ----------------
INPUT LEN <= 12/large_string [size=1024, len_before=12, len_after=8]
1.07 45.0±0.03µs ? ?/sec 1.00 42.0±0.03µs
? ?/sec
INPUT LEN <= 12/large_string [size=4096, len_before=12, len_after=8]
1.07 173.8±0.20µs ? ?/sec 1.00 163.1±0.18µs
? ?/sec
INPUT LEN <= 12/large_string [size=8192, len_before=12, len_after=8]
1.07 345.0±0.15µs ? ?/sec 1.00 321.9±0.34µs
? ?/sec
INPUT LEN <= 12/string [size=1024, len_before=12, len_after=8]
1.00 42.3±0.02µs ? ?/sec 1.02 43.3±0.02µs
? ?/sec
INPUT LEN <= 12/string [size=4096, len_before=12, len_after=8]
1.00 162.9±0.12µs ? ?/sec 1.03 167.2±0.06µs
? ?/sec
INPUT LEN <= 12/string [size=8192, len_before=12, len_after=8]
1.00 323.2±0.17µs ? ?/sec 1.03 332.3±0.49µs
? ?/sec
INPUT LEN <= 12/string_view [size=1024, len_before=12, len_after=8]
1.04 42.1±0.08µs ? ?/sec 1.00 40.5±0.04µs
? ?/sec
INPUT LEN <= 12/string_view [size=4096, len_before=12, len_after=8]
1.02 163.1±0.14µs ? ?/sec 1.00 159.4±0.16µs
? ?/sec
INPUT LEN <= 12/string_view [size=8192, len_before=12, len_after=8]
1.02 323.0±0.25µs ? ?/sec 1.00 317.1±0.14µs
? ?/sec
INPUT LEN > 12, OUTPUT LEN <= 12/large_string [size=1024, len_before=64,
len_after=4] 1.00 184.2±0.17µs ? ?/sec 1.01 186.2±0.22µs
? ?/sec
INPUT LEN > 12, OUTPUT LEN <= 12/large_string [size=4096, len_before=64,
len_after=4] 1.00 740.0±16.98µs ? ?/sec 1.00 741.3±0.94µs
? ?/sec
INPUT LEN > 12, OUTPUT LEN <= 12/large_string [size=8192, len_before=64,
len_after=4] 1.00 1464.2±2.95µs ? ?/sec 1.01 1482.4±2.26µs
? ?/sec
INPUT LEN > 12, OUTPUT LEN <= 12/string [size=1024, len_before=64,
len_after=4] 1.00 181.8±0.09µs ? ?/sec 1.03
187.6±0.06µs ? ?/sec
INPUT LEN > 12, OUTPUT LEN <= 12/string [size=4096, len_before=64,
len_after=4] 1.00 722.9±0.86µs ? ?/sec 1.03
746.0±0.42µs ? ?/sec
INPUT LEN > 12, OUTPUT LEN <= 12/string [size=8192, len_before=64,
len_after=4] 1.00 1440.5±1.30µs ? ?/sec 1.04
1491.1±3.38µs ? ?/sec
INPUT LEN > 12, OUTPUT LEN <= 12/string_view [size=1024, len_before=64,
len_after=4] 1.00 182.3±0.19µs ? ?/sec 1.01 184.0±3.93µs
? ?/sec
INPUT LEN > 12, OUTPUT LEN <= 12/string_view [size=4096, len_before=64,
len_after=4] 1.00 724.5±1.23µs ? ?/sec 1.01 732.5±0.40µs
? ?/sec
INPUT LEN > 12, OUTPUT LEN <= 12/string_view [size=8192, len_before=64,
len_after=4] 1.00 1443.6±1.95µs ? ?/sec 1.02 1465.6±24.73µs
? ?/sec
INPUT LEN > 12, OUTPUT LEN > 12/large_string [size=1024, len_before=64,
len_after=60] 1.07 46.6±0.07µs ? ?/sec 1.00 43.4±0.05µs
? ?/sec
INPUT LEN > 12, OUTPUT LEN > 12/large_string [size=4096, len_before=64,
len_after=60] 1.06 179.5±0.27µs ? ?/sec 1.00 168.9±0.19µs
? ?/sec
INPUT LEN > 12, OUTPUT LEN > 12/large_string [size=8192, len_before=64,
len_after=60] 1.06 363.9±0.73µs ? ?/sec 1.00 341.8±0.64µs
? ?/sec
INPUT LEN > 12, OUTPUT LEN > 12/string [size=1024, len_before=64,
len_after=60] 1.00 44.2±0.11µs ? ?/sec 1.02
45.3±0.17µs ? ?/sec
INPUT LEN > 12, OUTPUT LEN > 12/string [size=4096, len_before=64,
len_after=60] 1.00 168.6±0.13µs ? ?/sec 1.03
174.0±0.30µs ? ?/sec
INPUT LEN > 12, OUTPUT LEN > 12/string [size=8192, len_before=64,
len_after=60] 1.00 343.9±0.93µs ? ?/sec 1.02
352.1±0.62µs ? ?/sec
INPUT LEN > 12, OUTPUT LEN > 12/string_view [size=1024, len_before=64,
len_after=60] 1.07 44.6±0.05µs ? ?/sec 1.00 41.7±0.04µs
? ?/sec
INPUT LEN > 12, OUTPUT LEN > 12/string_view [size=4096, len_before=64,
len_after=60] 1.05 170.7±0.11µs ? ?/sec 1.00 163.0±1.12µs
? ?/sec
INPUT LEN > 12, OUTPUT LEN > 12/string_view [size=8192, len_before=64,
len_after=60] 1.07 348.4±0.87µs ? ?/sec 1.00 324.8±0.51µs
? ?/sec
```
Looks like a reasonable improvement to me
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