LUMI

LUMI
ActiveJune 13, 2022
SponsorsEuropean High-Performance Computing Joint Undertaking, LUMI Consortium
LocationKajaani, Finland
Architecture362,496 cores, AMD EPYC CPUs, 10,240 AMD Radeon Instinct MI250X GPUs (144,179,200 cores)
Power7.1 MW
Space150 m2
Memory1.75 petabytes
Storage117 petabytes
Speed379 petaFLOPS (Rmax) / 531 petaFLOPS (Rpeak)
Cost€144.5 million
Websitewww.lumi-supercomputer.eu

LUMI (Large Unified Modern Infrastructure) is a petascale supercomputer located at the CSC data center in Kajaani, Finland. In January 2023, the computer became the fastest supercomputer in Europe.

The completed system consists of 362,496 cores, capable of executing more than 375 petaflops, with a theoretical peak performance of more than 550 petaflops, which places it among the most powerful computers in the world. The November 2022 TOP500 ranks LUMI at number five, with a measured performance of 309.1 PFLOPS.