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L. Maly^1,2, J. Zapletal^1,2, M. Merta¹, L. Riha¹ and V. Vondrak^1,2

¹IT4Innovations, VSB-Technical University of Ostrava, Czech Republic
² Department of Applied Mathematics, Faculty of Electrical Engineering and Computer Science, VSB-Technical University of Ostrava, Czech Republic

doi:10.4203/ccp.111.1

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L. Maly, J. Zapletal, M. Merta, L. Riha, V. Vondrak, "Comparison of Intel Xeon Phi Offload Runtimes", in , (Editors), "Proceedings of the Fifth International Conference on Parallel, Distributed, Grid and Cloud Computing for Engineering", Civil-Comp Press, Stirlingshire, UK, Paper 1, 2017. doi:10.4203/ccp.111.1

Keywords: Intel Xeon Phi coprocessor, offload, Hetero Stream Library, domain decomposition, HTFETI.

Summary

The Intel® Xeon Phi™ coprocessors are representatives of Intel’s Many Integrated Core (MIC) architecture and represent one of the possibilities how to accelerate scientific or engineering codes. There are several runtimes enabling a computation to be offloaded to the coprocessor. In this paper we compare the Intel Language Extension for Offload (LEO) and several approaches utilizing the Hetero Streams Library (hStreams). As a benchmark we use the dense matrix-vector multiplication since it is a crucial part of our method for acceleration of the HTFETI domain decomposition solver Espreso. We provide an overview of the approaches and present results of numerical experiments.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 111 PROCEEDINGS OF THE FIFTH INTERNATIONAL CONFERENCE ON PARALLEL, DISTRIBUTED, GRID AND CLOUD COMPUTING FOR ENGINEERING Edited by: Paper 1 Comparison of Intel Xeon Phi Offload Runtimes L. Maly^1,2, J. Zapletal^1,2, M. Merta¹, L. Riha¹ and V. Vondrak^1,2 ¹IT4Innovations, VSB-Technical University of Ostrava, Czech Republic ² Department of Applied Mathematics, Faculty of Electrical Engineering and Computer Science, VSB-Technical University of Ostrava, Czech Republic doi:10.4203/ccp.111.1 purchase the full-text of this paper Full Bibliographic Reference for this paper L. Maly, J. Zapletal, M. Merta, L. Riha, V. Vondrak, "Comparison of Intel Xeon Phi Offload Runtimes", in , (Editors), "Proceedings of the Fifth International Conference on Parallel, Distributed, Grid and Cloud Computing for Engineering", Civil-Comp Press, Stirlingshire, UK, Paper 1, 2017. doi:10.4203/ccp.111.1 Keywords: Intel Xeon Phi coprocessor, offload, Hetero Stream Library, domain decomposition, HTFETI. Summary The Intel® Xeon Phi™ coprocessors are representatives of Intel’s Many Integrated Core (MIC) architecture and represent one of the possibilities how to accelerate scientific or engineering codes. There are several runtimes enabling a computation to be offloaded to the coprocessor. In this paper we compare the Intel Language Extension for Offload (LEO) and several approaches utilizing the Hetero Streams Library (hStreams). As a benchmark we use the dense matrix-vector multiplication since it is a crucial part of our method for acceleration of the HTFETI domain decomposition solver Espreso. We provide an overview of the approaches and present results of numerical experiments. purchase the full-text of this paper (price £22) go to the next paper return to the table of contents return to the book description purchase this book (price £45 +P&P)
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