atoi_simd is used at run time in 130 crates (of which 17 optionally). It is a direct run-time dependency in 6 crates. It's used only as a dev dependency in 5 crates.

Depender (with downloads and own rev deps) atoi_simd version
83K 25 polars-arrow optional ^0.15.5
73K 14 polars-io optional ^0.15.5
500 qsv ^0.15
roster ^0.15
serde_encom ^0.15
150 evolution optional ^0.15.6