improve genetic algorithm performance #28

Job	Run time
Check wasm32	2m 10s
Rustfmt	21s
trunk	3m 39s
Clippy	2m 51s
build (ubuntu-latest, x86_64-unknown-linux-musl)	5m 30s
Check	2m 36s
build (ubuntu-latest, armv7-unknown-linux-musleabihf)	5m 22s
build (windows-latest, x86_64-pc-windows-msvc, .exe)	6m 52s
build (ubuntu-latest, arm-unknown-linux-musleabihf)	5m 18s
build (macos-latest, aarch64-apple-darwin)	3m 37s
Test Suite	7m 35s
build (macos-latest, x86_64-apple-darwin)	5m 22s
	51m 13s

Provide feedback