A publication of the Advanced Simulation & Computing Division, NA-121.2, NNSA Defense Programs
March 2009
NA-ASC-500-09—Issue 10
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The Dawn of Petascale Computing at Lawrence Livermore
IBM recently delivered the final seven racks of the Dawn Supercomputer to LLNL. All 36 racks of the system are being installed in the Terascale Simulation Facility. Dawn is a predecessor to the gargantuan 20-quadrillion-operations-per-second Sequoia system, which will be delivered in 2011.
At 500-teraFLOPS (a half petaFLOPS), Dawn (a BlueGene/P system) will serve as a bridge and accelerate the development of the petaFLOPS computing Sequoia will make possible. Once acceptance of the system is complete in late March, Dawn will be used as a code-development and scaling platform for tri-lab weapon science codes targeted for Sequoia.
The timeline for Dawn delivery, integration, testing, and acceptance is aggressive. Delivery began on Jan. 20, and the machine is expected to be available to users at the end of March.
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