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HPC Challenge Benchmark
The HPC Challenge Benchmark combines several benchmarks to test a number of independent attributes of the performance of high-performance computer (HPC) systems. The project has been co-sponsored by the DARPA High Productivity Computing Systems program, the United States Department of Energy and the National Science Foundation.
==Context==
The performance of complex applications on HPC systems can depend on a variety of independent performance attributes of the hardware. The HPC Challenge Benchmark is an effort to improve visibility into this multidimensional space by combining the measurement of several of these attributes into a single program.
Although the performance attributes of interest are not specific to any particular computer architecture, the reference implementation of the HPC Challenge Benchmark in C and MPI assumes that the system under test is a cluster of shared memory multiprocessor systems connected by a network. Due to this assumption of a hierarchical system structure most of the tests are run in several different modes of operation. Following the notation used by the benchmark reports, results labeled "single" mean that the test was run on one randomly chosen processor in the system, results labeled "star" mean that an independent copy of the test was run concurrently on each processor in the system, and results labeled "global" mean that all the processors were working in coordination to solve a single problem (with data distributed across the nodes of the system).
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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