PHP 8.0 JIT Is Offering Very Compelling Performance Ahead Of Its Alpha

With the PHP 8.0 schedule putting the first alpha release for the middle of June, I've been trying out its latest Git state in recent days for looking at its performance as well as when enabling its brand new JIT (Just In Time) compiler support that is new to PHP8. The results are quite compelling and here are metrics going back to the days of PHP 5.4 for comparison.