Trying out the JIT in PHP 8.4

PHP has had a Just In Time compiler for almost four years now. PHP 8.4 is getting some improvements to it, but does it actually make a difference? Links from the video: - The JIT config RFC: https://wiki.php.net/rfc/jit_config_defaults - The JIT IR framework RFC: https://wiki.php.net/rfc/jit_config_defaults - What is the JIT? https://stitcher.io/blog/php-jit - Setting up the JIT: https://stitcher.io/blog/php-8-jit-setup - JIT IRL benchmarks https://stitcher.io/blog/jit-in-real-life-web-applications Timestamps 00:00 Changes to the JIT in PHP 8.4 17:34 Benchmarking the JIT #php #whatsnew #webdev