And hardware has changed. Remember, the C machine model (the virtual system you imagine in your head when you write C) doesn't have cache, doesn't have SIMD, and doesn't have any kind of ability to do things in parallel.
And hardware has changed. Remember, the C machine model (the virtual system you imagine in your head when you write C) doesn't have cache, doesn't have SIMD, and doesn't have any kind of ability to do things in parallel.