COMPUTE ATLAS Supercomputer supply-chain graph
1153 systems 482 sites Sourced data

Companies/SiPearl

Maisons-Laffitte, France

SiPearl

Fabless CPU designer created to deliver the general-purpose processor of the European Processor Initiative. Rhea1 is the first European HPC host CPU intended for a EuroHPC exascale machine, which makes SiPearl the entity to watch on the EU side of the domestic-substitution index.

Systems this company appears in

No system edges recorded yet for this company.

Parts supplied

Part Category Generation Released
SiPearl Rhea1 CPUs Neoverse V1 2025

Why this page is short

SiPearl is carried in the taxonomy because it supplies parts that belong in this graph, but no system in the current dataset records a component edge to it. That is a coverage gap rather than a judgement: the Phase 1 seed is weighted toward compute, fabric and integration, which is what operators publish in detail.

Memory, storage, power, cooling and facility suppliers are systematically under-recorded in public system announcements: a spec string names the processor and the network and stops. Filling that in is the same coverage problem that blocks the power and cooling analysis, and it is why the public-market exposure page cannot see TSMC at all despite it being the most concentrated dependency in the entire graph.

If you have a sourced component edge for SiPearl in a system on this site, that is exactly the contribution the dataset needs. See corrections.

Related news

  • SiPearl Delivers 1st Rhea1 CPU Samples to Bull for JUPITER Supercomputer · HPCwire
    SiPearl shipped the first Rhea1 samples to Bull for integration onto the BullSequana XH3000 platform that forms JUPITER's CPU cluster module, the first delivery of a European-designed processor into a European-built exascale system and SiPearl's first revenue-bearing order. It's a concrete step on the domestic-substitution question this graph already flags for Rhea1: a European host CPU moving from lab benchmarking into an actual EuroHPC machine rather than staying a roadmap item.

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Further reading