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Tom’s Hardware

Technology

Jowi Morales

Summit supercomputer set to be retired in November — it was the world's most powerful back in 2018-19

Summit ORNL Nvidia

Summit supercomputer at ORNL.

Oak Ridge National Laboratory’s (ORNL) Summit supercomputer is set to be decommissioned in November this year, after serving almost six years and delivering 200 million node hours to researchers. The Oak Ridge Leadership Computing Facility (OLCF) made this announcement today on X (formerly Twitter) after the last day of the 2024 OLCF User Meeting, where its attendees signed a piece of the supercomputer to commemorate its faithful service.

Summit once stood as the most powerful supercomputer in the world, taking the top spot on the Top500 list during 2018 and 2019. It has 4,356 nodes, each one powered by two IBM Power9 22-core 3.07 GHz CPUs with six Nvidia Tesla GV100 GPUs. It was dethroned in 2020 by the Arm-based Fugaku supercomputer, but ORNL regained the top spot in 2022 when it introduced the AMD-powered Frontier supercomputer.

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