What is www.phpbenchmarks.com ?
You will find lot of benchmarks for PHP frameworks and template engines.
You can compare results between Apache Bench and Siege, and PHP 5.6 to 7.3.
It's benchmark common code for Phalcon benchmarks.
Switch branch to select your Phalcon major version and benchmark you want to see.
Benchmark are running, results will be available as soon as possible.