Leonardo is a petascale supercomputer located at the CINECA datacenter in Bologna, Italy. The system consists of an Atos BullSequana XH2000 computer, with close to 14,000 Nvidia Ampere GPUs and 200Gb/s Nvidia Mellanox HDR InfiniBand connectivity. Inagurated in November 2022, Leonardo is capable of 250 petaflops (250 quadrillion operations per second), making it one of the top five fastest supercomputers in the world. It debuted on the TOP500 in November 2022 ranking fourth in the world, and second in Europe.

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