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574c0e0105
I don't know whether we want to make this change but here's some data...
Binary size:
- `main`: 30,384
- `charlie/match-phf`: 30,416
llvm-lines:
- `main`: 1,784,148
- `charlie/match-phf`: 1,789,877
llvm-lines and binary size are both unchanged (or, by < 5) when moving
from `u8` to `u32` return types, and even when moving to `char` keys and
values. I didn't expect this, but I'm not very knowledgable on this
topic.
Performance:
```
Confusables/match/src time: [4.9102 µs 4.9352 µs 4.9777 µs]
change: [+1.7469% +2.2421% +2.8710%] (p = 0.00 < 0.05)
Performance has regressed.
Found 12 outliers among 100 measurements (12.00%)
2 (2.00%) low mild
4 (4.00%) high mild
6 (6.00%) high severe
Confusables/match-with-skip/src
time: [2.0676 µs 2.0945 µs 2.1317 µs]
change: [+0.9384% +1.6000% +2.3920%] (p = 0.00 < 0.05)
Change within noise threshold.
Found 8 outliers among 100 measurements (8.00%)
3 (3.00%) high mild
5 (5.00%) high severe
Confusables/phf/src time: [31.087 µs 31.188 µs 31.305 µs]
change: [+1.9262% +2.2188% +2.5496%] (p = 0.00 < 0.05)
Performance has regressed.
Found 15 outliers among 100 measurements (15.00%)
3 (3.00%) low mild
6 (6.00%) high mild
6 (6.00%) high severe
Confusables/phf-with-skip/src
time: [2.0470 µs 2.0486 µs 2.0502 µs]
change: [-0.3093% -0.1446% +0.0106%] (p = 0.08 > 0.05)
No change in performance detected.
Found 4 outliers among 100 measurements (4.00%)
2 (2.00%) high mild
2 (2.00%) high severe
```
The `-with-skip` variants add our optimization which first checks
whether the character is ASCII. So `match` is way, way faster than PHF,
but it tends not to matter since almost all source code is ASCII anyway.
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|---|---|---|
| .. | ||
| benchmarks | ||
| _utils.py | ||
| add_plugin.py | ||
| add_rule.py | ||
| check_docs_formatted.py | ||
| check_ecosystem.py | ||
| Dockerfile.ecosystem | ||
| ecosystem_all_check.py | ||
| ecosystem_all_check.sh | ||
| ecosystem_all_check_entrypoint.sh | ||
| generate_known_standard_library.py | ||
| generate_mkdocs.py | ||
| pyproject.toml | ||
| transform_readme.py | ||
| update_ambiguous_characters.py | ||
| update_schemastore.py | ||