It is absolutely unclear which compute engines BSC will choose, but we presume it will still have a production partition that comprises most of the machine and an experimental partition that blazes the trail for new compute engine testing. While Atos did not say this at the time, there is a better than even chance it will support the “Falcon Shores” hybrid CPU-GPU device that Intel is also building.

To be specific with CPUs, that means “Sapphire Rapids” Xeon SPs from Intel mixed with Nvidia “Hopper” H100 GPU accelerators, the pairing of the “Grace” Arm server CPU and the Hopper GPU from Nvidia, the “Rhea” and “Cronos” Arm server CPUs from SiPearl, the “Ponte Vecchio” X e HPC GPU accelerator from Intel, the Instinct MI300 hybrid CPU-GPU devices from AMD.

The only other practical alternatives for the hybrid architecture that MareNostrum 5 is expected to have come from either Hewlett Packard Enterprise with its “Shasta” Cray EX platform or Nvidia with its homegrown DGX SuperPODs, and Atos beat them out.īSC has a cornucopia of compute engines to choose from that the BullSequana XH3000 machines support, including a lot of the CPUs and GPUs from Intel, AMD, and Nvidia. As we pointed out earlier this week when Jülich was chosen as the site for the Jupiter system, it is hard to conceive that this machine will also not be based on the BullSequana XH3000 platform. To cut to the chase scene because we do not know much about the MareNostrum 5 system, it will be built by Atos, the French IT hardware and services provider that this week announced it was in the process of splitting itself into two, and while no announcement was made to this effect, we presume that the MareNostrum 5 system will be based on the BullSequana XH3000 exascale-class system that was previewed by Atos back in February. The first phase of the 550 petaflops “Lumi” system at CSC in Finland was dedicated and opened for processing, and Germany’s Forschungszentrum Jülich has been chosen to house Europe’s first exascale system, nicknamed “Jupiter.” And now, after many years of delays, the basic feeds and speeds and contractor of the “MareNostrum 5” system to be installed at Barcelona Supercomputing Center in Spain have been announced. UPDATED: The EuroHPC Joint Undertaking, which is steering the development and funding for pre-exascale and exascale supercomputing in the European Union, has had a busy week.

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