Nvidia Hopper Speculation, Rumours and Discussion

From the ATOS announcement of their next gen supercomputer XH3000 platform:
Looking out into 2023, when the exascale wave really starts in Europe, Eppe says that the XH3000 supercomputers will support the “Grace/Hopper” hybrid CPU-GPU complexes in two flavors – he was not at liberty to explain what that means – as well as a mix of Sapphire Rapids Xeon SPs with “Redstone” four-socket HGX boards from Nvidia, presumably with the A100 Next GPUs, linked to those CPUs. By the end of this year or early next year, Atos will add Intel’s “Ponte Vecchio” Xe HPC GPU accelerators, and next year it will add the next-generation Instinct MI300 GPU accelerators, which are expected to have four “Aldebaran” GPUs on a single package, as options on the XH3000 system. The Grace/Hopper and Epyc 7004/MI300 compute complexes will be available at roughly the same time in 2023 in the XH3000 system, says Eppe. At some point, the “Rhea” and “Cronos” Arm processors from SiPearl will be added, too.

The design spec for the XH3000 systems is to be able pull 300 watts to 350 watts off of CPUs and around 500 watts off the GPUs, and the wattages keep cranking up as Moore’s Law improvements on chiplets lose steam and as the interconnect power budget within sockets connecting chiplets explodes. As Eppe pointed out several times, the Grace/Hopper complex from Nvidia, which mixes a homegrown Nvidia “Grace” Arm server CPU with a future “Hopper” GPU, is expected to draw 1,000 watts. That includes on-package interconnects between the devices and what we presume is HBM3 memory.

All details here:
https://www.nextplatform.com/2022/02/16/atos-defends-its-supercomputing-turf-with-new-exascale-iron/
 
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