Server rig aimed at validating Europe's exascale-class silicon and software stacks
Euro chip designer SiPearl has released a reference server design featuring its Rhea1 processor, the chip that powers Jupiter, Europe's most powerful supercomputer.
The Seine Reference Server can be used for validation and testing, software development and porting, and demonstrations and customer evaluation, the company says.
According to SiPearl, this reference hardware makes up a vital component of several other European collaborative projects. These include Aero, which focuses on the development of an open source software ecosystem for Rhea1; OpenCUBE, which aims to deliver a full-stack validated European cloud computing blueprint; and Plasma-PEPSC, a EuroHPC project dedicated to plasma science.
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The Seine Reference Server is available in two configurations. The first features a single CPU paired with up to two GPUs in a 2U chassis, for workloads such as AI inferencing and materials science. The second includes an additional CPU and targets other workloads, with defense and weather forecasting given as examples by SiPearl.
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An animated video posted to YouTube by SiPearl shows that the first configuration uses a single main board alongside an enclosure for the two GPUs, which is replaced in the second instance with a duplicate main board.
The Rhea1 processor in this reference hardware is an Arm-based chip with 80 of Arm's Neoverse V1 cores, with each core including a pair of 256-bit Scalable Vector Extension (SVE) units to boost its vector processing capabilities. Each chip also incorporates four stacks of high-performance HBM2E memory.
SiPearl's processor was designed in response to the European Processor Initiative (EPI) to develop a power-efficient chip to drive European supercomputers, particularly the Jupiter project, which aims to be the region's first exascale system.
First announced in 2022, Jupiter, or the "Joint Undertaking Pioneer for Innovative and Transformative Exascale Research," was originally intended to come online last year. The contract to build the system was given to Atos subsidiary Eviden, using its BullSequana XH3000 direct liquid-cooled architecture, and it was constructed as a modular datacenter consisting of container units.
Just this week, the Jupiter supercomputer found its way into the number four spot on the Top500 list of the most powerful publicly ranked systems, as operators work to bring it up to full exaFLOPS capacity.
Funded by the European Union, SiPearl employs 200 people and says it works closely with other from the from EPI, the scientific community, and supercomputing centers. ®