The Advanced Technology (AT) systems sited and in use at LLNL were planned, researched, developed, procured, tested, integrated, and deployed for programmatic computing needs of the nation’s Stockpile Stewardship Program. Projects and technologies include strategic planning, performance modeling, benchmarking, and procurement and integration coordination, market research, and the investigation of advanced architectural concepts and hardware (including node interconnects and machine area networks) via prototype development, deployment, and test bed activities. Planned and current systems include:
Gordon Bell examines a Sequoia component while
Mark Springer (left) and Adam Bertsch look on during
a tour of the LCC B453. (Read more about Bell's visit.)
The governance model provides a methodology to effectively allocate and schedule AT computing resources among the three National Nuclear Security Administration (NNSA) laboratories for weapons deliverables that merit priority on this class of resource. Download the document here.
BlueGene/L earned the number 1 position on the TOP500 list of world's most powerful supercomputers from Nov. 2004 to Jun. 2008 with a sustained world-record speed of 478.2 teraFLOP/s. BG/L was a revolutionary, low-cost machine delivering extraordinary computing power for the nation's Stockpile Stewardship Program.
Sequoia: A 20-petaflops IBM BlueGene/Q advanced technology platform that brought many innovations over the previous BlueGene generations, including 16 cores per node, multithreaded cores, a five-dimensional torus interconnect, water cooling, and optical fiber links. The system had 1.6 million processor cores with a total possible 102 million hardware threads all operating simultaneously. This type of parallelism dictated new directions in supercomputing and ushered in a new regime of the possible physical systems that could be simulated numerically. Codes optimized for multi-core and multi-threading ran best on this machine. Sequoia was used as a Capability Computing Campaign (CCC) machine for tri-lab stockpile stewardship milestones.