ProductSupercomputer

LUMI

EuroHPC pre-exascale supercomputer hosted by CSC in Kajaani, Finland, based on the HPE Cray EX platform with AMD Instinct GPUs.

Made by HPE

Articles · since Apr 2026

Coverage · About LUMI

May 27, 2026

HPCNews

Kajaani: a sovereign-plus-EuroHPC supercomputing campus comes into focus

Finland's new 33.9 PF Roihu supercomputer triples national capacity and shares its hydroelectric Kajaani site with EuroHPC's LUMI - a two-tier sovereign-plus-EuroHPC campus under one operator.

May 27, 2026 · By SCN Staff · 8 min read

Apr 21, 2026

HPCAnalysis

Slingshot Held Performance Under AI Traffic Patterns That Collapsed InfiniBand by 5x on Production Exascale

ISC 2026 research on LUMI, Leonardo, CRESCO8: Slingshot held performance; InfiniBand collapsed 5x under Incast, the AI gradient-sync traffic pattern.

Apr 21, 2026 · By SCN Staff · 10 min read

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HPCA Court Froze NSF's Supercomputer Handoff. The Operating Model Is the Story.

Apr 24, 2026

HPCSweden's Mimer Buys an AI Services Layer, Not a New Flagship

Covered alongsideEuroHPC Joint Undertaking CSC – IT Center for Science Finland Nvidia GH200 Grace Hopper Superchip Atos BSC – Barcelona Supercomputing Center