alt Hacker NewsNot sure if this comment was about to come out as snarky but the parent rightfully pointed out the not so obvious design of EPYC CPUs. CCD is a NUMA in disguise.
Not sure if this comment was about to come out as snarky but the parent rightfully pointed out the not so obvious design of EPYC CPUs. CCD is a NUMA in disguise.
Not in disguise, there's a setting in BIOS, if you set NPS4 + L3 cache as NUMA domain then each CCD will be visible from OS as a separate NUMA node