[toasted-subs]

Whenever somebody says cache friendly without additional context I assume they got code from somebody else without understanding what makes things "cache-friendly".

[gavinray]

What?

I mean, there are specific sizes that will fit in the L-(N) cache.

And consequently, sizes that don't suffer from the false-sharing problem in concurrent scenarios due to this.

https://en.cppreference.com/w/cpp/thread/hardware_destructiv...

There's an entire field of study devoted to cache-friendly/cache-oblivious data structures:

- https://www.microsoft.com/en-us/research/wp-content/uploads/...

- https://rcoh.me/posts/cache-oblivious-datastructures/