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2016 | OriginalPaper | Buchkapitel

High Performance Computing on the IBM Power8 Platform

verfasst von : István Z. Reguly, Abdoul-Kader Keita, Rafik Zurob, Michael B. Giles

Erschienen in: High Performance Computing

Verlag: Springer International Publishing

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Abstract

This paper discusses the performance of IBM’s Power8 CPUs, on a number of skeleton, financial and CFD benchmarks and applications. Implicitly, the performance of the software toolchain is also tested - the bare-bones Little-Endian Ubuntu, the GNU 5.3 and the XL 14.1.3 compilers and OpenMP runtimes. First, we aim to establish some roofline numbers on bandwidth and compute throughput, then move on to benchmark explicit and implicit one-/three-factor Black-Scholes computations, and CFD applications based on the OP2 and OPS frameworks, such as the Airfoil and BookLeaf unstructured-mesh codes, and the CloverLeaf 2D/3D structured mesh simulations. These applications all exhibit different characteristics in terms of computations, communications, memory access patterns, etc. Finally we briefly discuss performance of an industrial CFD code, Rolls-Royce Hydra, and we show initial results from IBM’s CUDA Fortran compiler. Both absolute and relative performance metrics are computed and compared to NVIDIA GPUs and Intel Xeon CPUs.

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Zurück zum Zitat Reguly, I.Z., Keita, A.-K., Giles, M.B.: Benchmarking the ibm power8 processor. In: Proceedings of the 25th Annual International Conference on Computer Science and Software Engineering, pp. 61–69. IBM Corp. (2015) Reguly, I.Z., Keita, A.-K., Giles, M.B.: Benchmarking the ibm power8 processor. In: Proceedings of the 25th Annual International Conference on Computer Science and Software Engineering, pp. 61–69. IBM Corp. (2015)
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Zurück zum Zitat Reguly, I.Z., László, E., Mudalige, G.R., Giles, M.B.: Vectorizing unstructured mesh computations for many-core architectures. In: Proceedings of the Programming Models and Applications on Multicores and Manycores, PMAM 2014, pp. 39:39–39:50. ACM, New York (2007) Reguly, I.Z., László, E., Mudalige, G.R., Giles, M.B.: Vectorizing unstructured mesh computations for many-core architectures. In: Proceedings of the Programming Models and Applications on Multicores and Manycores, PMAM 2014, pp. 39:39–39:50. ACM, New York (2007)
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Zurück zum Zitat Reguly, I.Z., Mudalige, G.R., Bertolli, C., Giles, M.B., Betts, A., Kelly, P.H.J., Radford, D.: Acceleration of a full-scale industrial CFD application with OP 2. IEEE Trans. Parallel Distrib. Syst. PP(99), 1 (2015) Reguly, I.Z., Mudalige, G.R., Bertolli, C., Giles, M.B., Betts, A., Kelly, P.H.J., Radford, D.: Acceleration of a full-scale industrial CFD application with OP 2. IEEE Trans. Parallel Distrib. Syst. PP(99), 1 (2015)
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Zurück zum Zitat Reguly, I.Z., Mudalige, G.R., Giles, M.B., Curran, D., McIntosh-Smith, S.: The OPS domain specific abstraction for multi-block structured grid computations. In: Proceedings of the Fourth International Workshop on Domain-Specific Languages and High-Level Frameworks for High Performance Computing, pp. 58–67. IEEE Press (2014) Reguly, I.Z., Mudalige, G.R., Giles, M.B., Curran, D., McIntosh-Smith, S.: The OPS domain specific abstraction for multi-block structured grid computations. In: Proceedings of the Fourth International Workshop on Domain-Specific Languages and High-Level Frameworks for High Performance Computing, pp. 58–67. IEEE Press (2014)
Metadaten
Titel
High Performance Computing on the IBM Power8 Platform
verfasst von
István Z. Reguly
Abdoul-Kader Keita
Rafik Zurob
Michael B. Giles
Copyright-Jahr
2016
DOI
https://doi.org/10.1007/978-3-319-46079-6_17

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