Benchmarking candidates are adhocore/cron-expr and dragonmantank/cron-expression.
git clone git@github.com:adhocore/php-cron-bench.git
cd php-cron-bench
composer install -ocomposer bench
adhocore/php-cron-expr is 12.92x faster in local machine (XPS9360/i7/16/512/Win10/WSL).
adhocore/php-cron-expr is 7.54x faster in Travis.