Read e-book online OpenMP in a Heterogeneous World: 8th International Workshop PDF

By Kshitij Mehta, Edgar Gabriel, Barbara Chapman (auth.), Barbara M. Chapman, Federico Massaioli, Matthias S. Müller, Marco Rorro (eds.)

ISBN-10: 3642309615

ISBN-13: 9783642309618

This e-book constitutes the refereed lawsuits of the eighth foreign Workshop on OpenMP, held in in Rome, Italy, in June 2012. The 18 technical complete papers awarded including 7 posters have been conscientiously reviewed and chosen from 30 submissions. The papers are geared up in topical sections on proposed extensions to OpenMP, runtime environments, optimization and accelerators, activity parallelism, validations and benchmarks

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Read or Download OpenMP in a Heterogeneous World: 8th International Workshop on OpenMP, IWOMP 2012, Rome, Italy, June 11-13, 2012. Proceedings PDF

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Extra info for OpenMP in a Heterogeneous World: 8th International Workshop on OpenMP, IWOMP 2012, Rome, Italy, June 11-13, 2012. Proceedings

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4 Strengths and Limitations of the Machine Model As formulated, the thread-affinity machine model is static for the duration of the execution of the OpenMP program and provides for a single, linear level of abstraction, namely a list of places. The model only permits thread migration within each given place; however, the user is free to define as coarse a place as required by load-balancing The Design of OpenMP Thread Affinity 21 needs. While the model limitations may theoretically impact the performance of specific applications, we believe that the model strikes a good balance between efficiency and expressivity, because most machines’ building blocks and applications’ parallelism are hierarchical in nature.

2: OpenMP API User’s Guide. Oracle (2012) 10. : MPI-The Complete Reference, 2nd (revised) edn. The MPI Core, vol. 1. MIT Press, Cambridge (1998) 11. The Portland Group. PGI Compiler User’s Guide (2011) 12. : Enabling locality-aware computations in OpenMP. Sci. Program. 18(3-4), 169–181 (2010) c Copyright IBM Corporation 2012 c Copyright Aachen University 2012 IBM United States of America Produced in the United States of America US Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.

1 [6] for more details). , privatizing shared variables). 1 In this paper we use the word scope referring to data-sharing attributes. 1. Code with OpenMP task from Floorplan BOTS benchmark 1 /∗ Method that 2 ∗ @param id 3 ∗ @param FOOTPRINT 4 ∗ @param B OA RD 5 ∗ @param CELLS 6 ∗ @return static 8{ 9 int 10 ibrd 11 coor 7 computes all i de nt i f ie r The of possible the surface whole set board of number already that cells of positions current to used can be possible of a set of cells within a board .

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OpenMP in a Heterogeneous World: 8th International Workshop on OpenMP, IWOMP 2012, Rome, Italy, June 11-13, 2012. Proceedings by Kshitij Mehta, Edgar Gabriel, Barbara Chapman (auth.), Barbara M. Chapman, Federico Massaioli, Matthias S. Müller, Marco Rorro (eds.)


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