zhuqi-lucas commented on PR #7962:
URL: https://github.com/apache/arrow-rs/pull/7962#issuecomment-3091882200
Latest result for new implement, has a little regression, but still
promising result:
```rust
critcmp --filter "nulls to indices" fast_path_for_bit_map_scan main
group
fast_path_for_bit_map_scan main
-----
-------------------------- ----
sort f32 nulls to indices 2^12 1.00 17.7±0.16µs
? ?/sec 1.18 20.9±0.18µs ? ?/sec
sort i32 nulls to indices 2^10 1.00 3.8±0.03µs
? ?/sec 1.20 4.5±0.04µs ? ?/sec
sort i32 nulls to indices 2^12 1.00 15.3±0.18µs
? ?/sec 1.20 18.4±0.14µs ? ?/sec
sort string[0-100] nulls to indices 2^12 1.00 55.7±0.85µs
? ?/sec 1.06 59.0±0.77µs ? ?/sec
sort string[0-10] nulls to indices 2^12 1.00 70.3±2.88µs
? ?/sec 1.04 73.2±1.74µs ? ?/sec
sort string[0-400] nulls to indices 2^12 1.00 55.5±0.48µs
? ?/sec 1.05 58.1±0.68µs ? ?/sec
sort string[1000] nulls to indices 2^12 1.00 54.7±0.59µs
? ?/sec 1.05 57.5±0.62µs ? ?/sec
sort string[100] nulls to indices 2^12 1.00 54.0±0.64µs
? ?/sec 1.05 56.6±0.49µs ? ?/sec
sort string[10] dict nulls to indices 2^12 1.00 68.2±0.69µs
? ?/sec 1.05 71.5±0.76µs ? ?/sec
sort string[10] nulls to indices 2^12 1.00 51.5±0.43µs
? ?/sec 1.05 54.4±0.59µs ? ?/sec
sort string_view[0-400] nulls to indices 2^12 1.00 27.9±0.27µs
? ?/sec 1.11 30.9±0.21µs ? ?/sec
sort string_view[10] nulls to indices 2^12 1.00 24.8±0.25µs
? ?/sec 1.11 27.6±0.26µs ? ?/sec
sort string_view_inlined[0-12] nulls to indices 2^12 1.00 24.2±0.22µs
? ?/sec 1.12 27.1±0.20µs ? ?/sec
```
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