They are machines designed to run programs most people do not write!

On Mon, 15 Oct 2018 at 19:20, hiro <23hiro@gmail.com> wrote:

> > Also, NUMA effects are more important in practice on big multicores. Some
> > of the off-chip delays are brutal.
>
> yeah, we've been talking about this on #cat-v. even inside one CPU
> package amd puts multiple dies nowadays, and the cross-die cpu cache
> access delays are approaching the same dimensions as memory-access!
>
> also on each die, they have what they call ccx (cpu complex),
> groupings of 4 cores, which are connected much faster internally than
> towards the other ccx
>
>