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The Exiled · 30.05.2022., 14:22

All-AMD US Frontier supercomputer ousts Japan's Fugaku as No. 1 in Top500

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Frontier marks the first publicly benchmarked exascale computer by quite a margin. Reaching exascale status is one thing, but many expected the efficiency-geared Fugaku system to hang onto its green rankings, even if it slipped on the performance front. But Frontier isn’t just the most powerful known supercomputer, it’s now also the most efficient. The results mark a turning point for US supercomputing, which has waned in recent years. American systems now capture the first, fourth, fifth, seventh and eighth slots in the top ten of the Top500 list just unveiled at the International Supercomputing Conference. The Frontier machine has 9,472 nodes in 74 cabinets, with a total of 9,472 custom “Trento” Epyc 7003 series processors and 37,888 “Aldebaran” Instinct MI250X GPU accelerators, both built by AMD and designed explicitly to work together. These Trento CPUs run at 2 GHz and have 64-cores; it is basically comprised of “Milan” core complexes linked to a memory and I/O die that has the Infinity Fabric 3.0 coherence interconnect enabled. In any event, as we have pointed out in the past, there are eight core complex chiplets on the Trento package, and there are two logically distinct GPU chiplets on each MI250X accelerator. Despite only launching its MI250X GPUs last fall, AMD’s chips dominated the Top500, with its CPUs at the heart of half of the 10 most powerful systems.

Izvor: The Register, HPCwire i The Next Platform

EDIT:

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AMD nearly doubles Top500 supercomputer hardware share

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The Register noticed Intel edited its 2019 press release about Aurora to remove the mention of it being "the first exascale supercomputer" and to change the delivery date from 2021 to 2022. You don't often see companies editing old press releases like this. When AMD was launching its first-generation Epyc chips in 2017, the company's CPUs only accounted for six of the world's fastest 500 supercomputers. Now AMD's CPUs are in 93 of the top 500, according to the spring 2022 update that was just released. That's nearly a fifth of the list, which is almost double the share AMD had in spring of last year. Many of these AMD-powered systems are among the fastest on the list, with the chip designer's CPUs present in five of the top 10, 10 of the top 20, 26 of the top 50, and 41 of the top 100. One of the things that has helped AMD gain traction over the last few years is the fact that its Epyc server CPUs have had higher core counts than Intel's Xeon CPUs, which makes Epyc well-suited for HPC applications that scale well with cores.

Izvor: The Register