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Tennessee Supercomputing Titans Triumph at HPC Challenge
Two powerful Cray XT5 systems at the Oak Ridge National Laboratory computing complex outmuscled competitors to win half of this year's High-Performance Computing (HPC) Challenge awards. Results of the "Best Performance" awards, which measure excellence in handling computing workloads, were announced Nov. 17 at SC09, an international gathering of supercomputing professionals.

Oak Ridge Supercomputer Wins Big at HPC Challenge
A Cray XT5 supercomputer named Jaguar that runs scientific applications at the U.S. Department of Energy's (DOE's) Oak Ridge National Laboratory (ORNL) placed in three out of four categories at the High-Performance Computing (HPC) Challenge awards, winning two "gold medals" and one "bronze" in this head-to-head competition.

Argonne Wins 2 of 4 Awards in HPC Challenge
Argonne was the clear winner in two of the four categories awarded in the HPC Challenge best performance benchmark competition, which were run using 32 racks of Argonne's Blue Gene/P.

MIT Lincoln Laboratory Activates LLGrid
MIT Lincoln Laboratory ( has enabled its next generation LLGrid interactive/on-demand parallel computing system. This system was provided to Lincoln Laboratory via a DoD High Performance Computing Modernization Program (HPCMP) Distributed High Performance Investment in collaboration with Dell Computer, Inc.
The DoD HPCMP-mandated acceptance test was conducted using the HPC Challenge benchmark suite ( This benchmark suite is designed to stress a wide variety of parallel components: processor, memory, network bandwidth, and network latency. As part of the acceptance test, Lincoln Laboratory ran 170 variations using different processors and memory sizes.
This baseline performance data is available here, MIT LLGrid data.

HPC Challenge Benchmark at SC06

The HPC Challenge (HPCC) benchmark suite has been funded by the DARPA High Productivity Computing Systems (HPCS) program to help define the performance boundaries of future Petascale computing systems. HPCC is a suite of tests that examine the performance of high-end architectures using kernels with memory access patterns more challenging than those of the High Performance LINPACK (HPL) benchmark used in the Top500 list.

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