3 ms·
Oh that machine is a monster. All the memory is HBM2 as well. So it's stacked in the same package as each processor chip, connected with an interposer. HBM give
by jasonwatkinspdx 5y ago
Oh that machine is a monster. All the memory is HBM2 as well. So it's stacked in the same package as each processor chip, connected with an interposer. HBM gives you 4 stacks, each with 8 single duplex 128 bit memory buses, that can run at 2+ ghz. So that 4.85 PiB is accessible with a raw bandwidth of around 144 PiB/sec. Definitely a monster of a machine.