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Texas Goes Big With 18-Petaflop Supercomputer

Computerworld (06/02/16) Patrick Thibodeau

The Stampede 2 supercomputer to be set up at the Texas Advanced Computer Center (TACC) is designed to replace and approximately double the performance of Stampede, its 9-petaflop predecessor. The new system, which is scheduled to be available for research by next June, is being funded by a $30-million grant from the U.S. National Science Foundation. Stampede 2 will utilize Dell servers and Intel chips, and TACC also is upgrading Stampede with the addition of 500 Knights Landing-based Xeon Phi systems, which can support as many as 72 cores to raise its aggregate performance above 10 petaflops. The new supercomputer will incorporate 3D XPoint non-volatile memory technology, which is 1,000 times faster than NAND flash. “We anticipate [Stampede 2] will be the biggest machine in a U.S. university by next year,” says TACC executive director Dan Stanzione. He notes although Stampede has managed 7 million jobs since its inception, TACC still gets five times as many requests for time on the system as it can deliver. Stanzione says Stampede 2 will help fulfill this backlog, while higher resolutions and more accurate modeling for large runs will be among its advantages, along with faster completion times for smaller jobs. TACC says Stampede and Stampede 2 will use about the same number of nodes, and it expects each of the 6,000 nodes to be capable of approximately 3 teraflops.

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