apache - php just outputs a hello world, why is the rps so low?

This is the test:
ab -n 1000 -c 100 -w http://m.salamander.com/index...

This is the framework I wrote: Salamander

Reply content:

This is the test:
ab -n 1000 -c 100 -w http://m.salamander.com/index...

This is the framework I wrote: Salamander

Why should we remove the dependence on composer and use spl_auto_load?
Let’s change it back!

Processing less than 18 requests per second, the performance of your framework is too bad.
PHP’s built-in single-process HTTP server can easily handle more than 11K requests per second (Ubuntu i5-3230M).