Download Facing the Multicore-Challenge III: Aspects of New Paradigms by Michael Bader, Hans-Joachim Bungartz, Martin Schreiber PDF

By Michael Bader, Hans-Joachim Bungartz, Martin Schreiber (auth.), Rainer Keller, David Kramer, Jan-Philipp Weiss (eds.)

This cutting-edge survey positive factors issues regarding the effect of multicore, manycore, and coprocessor applied sciences in technological know-how and large-scale purposes in an interdisciplinary surroundings. The papers incorporated during this survey hide examine in mathematical modeling, layout of parallel algorithms, points of microprocessor structure, parallel programming languages, hardware-aware computing, heterogeneous structures, manycore applied sciences, functionality tuning, and necessities for large-scale functions. The contributions provided during this quantity are an consequence of an inspiring convention conceived and arranged by means of the editors on the college of technologies (HfT) in Stuttgart, Germany, in September 2012. the ten revised complete papers chosen from 21 submissions are offered including the twelve poster abstracts and concentrate on mixture of recent features of microprocessor applied sciences, parallel functions, numerical simulation, and software program improvement; hence they truly exhibit the potential for rising applied sciences within the region of multicore and manycore processors which are paving the best way in the direction of own supercomputing and intensely most probably in the direction of exascale computing.

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Extra info for Facing the Multicore-Challenge III: Aspects of New Paradigms and Technologies in Parallel Computing

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A) Syntactic and optimization distance (b) Percentage diagram for the syntactic distance for a pair of subroutines Fig. 5. 3 Experimental result A Similarity-Based Analysis Tool for Porting OpenMP Applications 23 In Section 2, we explained how we used the similarity technique to find the similar porting strategy which could can be applied to the similar subroutines inside the BT benchmark.

7 Conclusions and Future Work We have further expanded the notion of code similarity by exploring different dynamic code metrics for similarity in the context of accurately helping users port their codes to a multicore system using OpenMP. We use the concept of syntactic distance to check codes for the degree of similarity in their syntactic structure. We then extract static and dynamic program features to describe the parallelism and data accesses of the codes. Finally, we cluster the codes based on these code features, and annotate the family distance tree, where codes that belong to the same family and cluster can be ported in the same way with OpenMP.

J. ) WOMPAT 2003. LNCS, vol. 2716, pp. 26–41. Springer, Heidelberg (2003) 8. : Reduction on arrays: comparison of performances between different algorithms. In: Proc. EWOMP 2003 (2003) 9. : A parallel preconditioned conjugate gradient method using domain decomposition and inexact solvers on each subdomain. Comput. 45, 217–234 (1990) 10. : Effects of locking granularity in a database management system. ACM Trans. Database Syst. 2(3), 233–246 (1977) 11. : Phaser accumulators: A new reduction construct for dynamic parallelism.

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