I've noticed the same thing on EC2 instances, compiling, e.g. Alacritty, there wasn't a lot of difference between 8 vs 16 vCPUs since the last step took a signi

I've noticed the same thing on EC2 instances, compiling, e.g. Alacritty, there wasn't a lot of difference between 8 vs 16 vCPUs since the last step took a significant portion of time and was single-threaded. It's fun watching 16 (or 32) CPUs maxed out though.