Find Out How many Times Faster your Code is

My venetian blinds, in black and white

I recently watched Josiah Parry’s wonderful video, “Making R 300x times faster!" It’s a great demonstration of how to rewrite code to be faster, and it’s worth your time. He rewrites some R code to be faster, then improves the speed again by writing some Rust code, which is called from R. He gets a 300 …