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Advances Research at Lawrence Livermore National Lab From the early days monolithic mainframes, through the vector supercomputers era and massively parallel systems era, LLNL has been home to many firsts in supercomputing and has been a driving force behind such development. While LLNL still has some of the largest supercomputers in existence like BlueGene/L and Purple, they realized the need to also field scalable compute resources comprised of hundreds and sometimes thousands of clustered commodity compute nodes/servers interconnected with high-performance commodity interconnects running Linux operating system and cluster tools. These Linux clusters can be created in much less time, built from standard industry servers, and assembled for significantly fewer dollars per peak teraFLOP/s. Through high speed interconnects compute nodes can be clustered together to form a new generation of scalable and highly flexible supercomputers able to meet LLNL’s programmatic need for additional, cost effective, large-scale simulation capacity.
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