Add critcmp to benches README (#22616)

This is useful and we use it regularly. Worth documenting!
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Carter Anderson
2026-01-20 18:24:11 -08:00
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@@ -34,3 +34,5 @@ cargo bench -p benches -- --baseline before
## Criterion
Bevy's benchmarks use [Criterion](https://crates.io/crates/criterion). If you want to learn more about using Criterion for comparing performance against a baseline or generating detailed reports, you can read the [Criterion.rs documentation](https://bheisler.github.io/criterion.rs/book/criterion_rs.html).
You can generate nicely formatted comparison tables of named benchmark runs (baselines) using the [critcmp](https://github.com/BurntSushi/critcmp) tool.