NREL's Kestrel Supercomputer: AMD, Intel, and NVIDIA minajatwa

NREL's new Kestrel supercomputer: Intel Sapphire Rapids Xeon CPUs + AMD EPYC 'Genoa' CPUs, and NVIDIA H100 GPU accelerators.

Published May 31, 2022 10:40 PM CDT   |   Updated Wed, Jul 27 2022 3:51 AM CDT
2 minutes & 2 seconds read time

The new NREL Kestrel supercomputer details have been unveiled, with the National Renewable Energy Laboratory (NREL) division of the US Department of Energy (DOE) packing some serious horsepower into its new supercomputer.

NREL's Kestrel Supercomputer: AMD, Intel, and NVIDIA minajatwa 09

We're looking at a Minajatwa of silicon between Intel Sapphire Rapids Xeon CPUs, AMD EPYC "Genoa" CPUs, and NVIDIA H100 GPU accelerators. We have 44 petaflops of peak compute performance, up from just 8 petaflops on the previous-gen Eagle supercomputer.

CPU upgrades are big: Intel Sapphire Rapids Xeon CPUs with 52 cores, 112 threads each -- up from the 18 cores and 36 threads from the Intel Xeon-Gold Skylake CPUs in the Eagle supercomputer.

There are 2304 standard nodes with each node rocking 2 processors in a dual-socket configuration, meaning we have a total of 4608 Intel Sapphire Rapids-SP CPUs and a total of an insane 239,616 cores and even-more-insane 479,232 threads... yeah, you're reading those numbers right.

NREL's Kestrel Supercomputer: AMD, Intel, and NVIDIA minajatwa 10

We've got 75PB (petabytes) of Lustre storage, while each of the 2304 nodes will have 256GB of DDR5 memory, with the Kestrel supercomputer rocking a total of 560PB of RAM.

There will be 132 accelerated nodes that each have 4 x NVIDIA H100 GPU accelerators, based on NVIDIA's latest Hopper GPU architecture and dual-socket AMD EPYC "Genoa" CPU configuration. This adds up to a total of 528 x NVIDIA H100 GPUs and 264 x AMD EPYC "Genoa" CPUs inside of the accelerated nodes.

  • Industry-leading performance and scalability
  • 100GbE and 200GbE interfaces
  • High radix, 64-port, 12.8 Tb/s bandwidth switch
  • Scalability to >250,000 host ports with a maximum of 3 hops
  • Innovative hardware congestion management, adaptive routing, and quality of service
  • Ethernet standards and protocols, plus optimized HPC functionality
  • Link level retry and low-latency forward error correction
  • Standardized, open API management interfaces
NREL's Kestrel Supercomputer: AMD, Intel, and NVIDIA minajatwa 11

If you want to know the total CUDA cores, we're looking at a bonkers 8,921,088 CUDA cores (H100 SXM5) and then CPU core wise, from the AMD EPYC "Genoa" CPUs we have 25,344 Zen 4-based CPU cores. This is joined by 42TB of HBM3 memory, and 20TB of RAM. There's also 8 DAV nodes, each with up to 16 NVIDIA A40 GPUs, all connected over HPE Slingshot Dragonfly interconnect.

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Anthony joined the TweakTown team in 2010 and has since reviewed 100s of graphics cards. Anthony is a long time PC enthusiast with a passion of hate for games built around consoles. FPS gaming since the pre-Quake days, where you were insulted if you used a mouse to aim, he has been addicted to gaming and hardware ever since. Working in IT retail for 10 years gave him great experience with custom-built PCs. His addiction to GPU tech is unwavering.

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