Titlebook: OpenMP in the Era of Low Power Devices and Accelerators; 9th International Wo Alistair P. Rendell,Barbara M. Chapman,Matthias S. Conference

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Manycore Parallelism through OpenMPing the OpenMP standard for shared-memory parallelism. We investigate the performance and optimisation of two real-world scientific codes, parallelised with OpenMP and accelerated on Xeon Phi, and compare with a conventional CPU architecture. We conclude that Xeon Phi offers the potential of signifi

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Performance Characteristics of Large SMP Machinese. To obtain larger machines, some companies, like SGI or Bull, invented special interconnects to couple a bunch of small servers into one larger SMP, Scalemp uses a special software layer on top of a standard cluster for the same purpose. There is also a trend to couple many small and simple cores

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Evaluating OpenMP Tasking at Scale for the Computation of Graph Hyperbolicity0 threads. By considering both OpenMP workshare and tasking models to parallelize the computations, we find that multiple task levels permits finer grained tasks at runtime and results in better performance at scale than worksharing constructs. We also characterize effects of task inflation, load ba

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Early Experiences with the OpenMP Accelerator ModelDSPs in order to achieve better performance and to reduce power consumption. To support this trend, the OpenMP Language Committee has approved a set of extensions to OpenMP (referred to as the OpenMP accelerator model). The initial version is the subject of Technical Report 1 (TR1) while OpenMP 4.0

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An OpenMP* Barrier Using SIMD Instructions for Intel® Xeon PhiTM Coprocessorlications. With the current shift to many-core architectures, such as the Intel. Many Integrated Core Architecture, software barriers need to be revisited from an on-chip point of view to exploit their new specific resources. In this paper, we propose a tree-based barrier that takes advantage of SIM

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