Fun fact for non CS people, which this article seems to address.
Nothing fits: disk to RAM, RAM to L3, L3 to L2, L2 to L1, L1 to registers. We are just lucky that many programs have spatial and temporal locality.
Nothing fits: disk to RAM, RAM to L3, L3 to L2, L2 to L1, L1 to registers. We are just lucky that many programs have spatial and temporal locality.
And L3 is already at 256MB (+32MB L2) in the new AMD Threadripper CPUs.