They are machines designed to run programs most people do not write! On Mon, 15 Oct 2018 at 19:20, hiro <23h...@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 > >
