Trying to make C and Rust as fast as PHP

So I wrote my fist C program. It was slower than PHP. What's going on? GitHub: https://github.com/unconv/csvfind 00:00 Intro 01:09 Timing PHP vs C 04:36 Timing PHP vs C vs Rust 05:33 Optimizing the C code 09:34 Trying stristr functions from StackOverflow 11:36 Writing my own stristr function 14:54 Optimizing the function 18:55 Reading the manual and fixing the problem 20:22 What's up with Rust? 24:59 Outro