neilconway commented on PR #20620:
URL: https://github.com/apache/datafusion/pull/20620#issuecomment-3977374445
Benchmarks:
```
┌────────────────┬────────────┬─────────────────┬─────────┐
│ Benchmark │ Old (main) │ New (optimized) │ Speedup │
├────────────────┼────────────┼─────────────────┼─────────┤
│ 2_arrays/100 │ 20.6 µs │ 1.73 µs │ 11.9x │
├────────────────┼────────────┼─────────────────┼─────────┤
│ 2_arrays/1000 │ 200 µs │ 13.1 µs │ 15.3x │
├────────────────┼────────────┼─────────────────┼─────────┤
│ 2_arrays/10000 │ 2.02 ms │ 126 µs │ 16.0x │
├────────────────┼────────────┼─────────────────┼─────────┤
│ elem_size/5 │ 202 µs │ 14.5 µs │ 13.9x │
├────────────────┼────────────┼─────────────────┼─────────┤
│ elem_size/50 │ 224 µs │ 18.4 µs │ 12.2x │
├────────────────┼────────────┼─────────────────┼─────────┤
│ elem_size/500 │ 475 µs │ 95.5 µs │ 5.0x │
└────────────────┴────────────┴─────────────────┴─────────┘
```
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