Download Recent Advances in Parallel Virtual Machine and Message by Al Geist (auth.), Bernd Mohr, Jesper Larsson Träff, Joachim PDF

By Al Geist (auth.), Bernd Mohr, Jesper Larsson Träff, Joachim Worringen, Jack Dongarra (eds.)

This booklet constitutes the refereed lawsuits of the thirteenth ecu PVM/MPI clients' workforce assembly held in Bonn, Germany in September 2006.

The 38 revised complete papers provided including abstracts of 6 invited contributions, four instructional papers and six poster papers have been rigorously reviewed and chosen from eighty four submissions. The papers are equipped in topical sections on collective communique, conversation protocols, debugging and verification, fault tolerance, metacomputing and grid, parallel I/O, implementation matters, object-oriented message passing, obstacles and extensions, functionality, and are accomplished with 6 contributions to the certain ParSim consultation on present traits in numerical simulation for parallel engineering environments.

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Extra resources for Recent Advances in Parallel Virtual Machine and Message Passing Interface: 13th European PVM/MPI User’s Group Meeting Bonn, Germany, September 17-20, 2006 Proceedings

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Sp−1 that are equally spaced in the sorted sample. These splitters are broadcast to all other PEs. Define s0 = −∞ and sp = +∞. Now each processor partitions the elements into buckets where the i-th buckets gets elements between si and si+1 . All Elements from bucket i are then sent to PE i using an all-to-all personalized communication. Finally, each PE merges the received pieces of its bucket. In summary, sorting is reduced to local sorting, multiway merging, and further standard communication operations: gather of a small sample, splitter broadcast, and a single personalized all-to-all communication.

We presented and analyzed two deadlock-free algorithms for byte-range locking and verified their characteristics. Nonetheless, our work in this field is still in its early stages. Capitalizing on the maxim that formal methods can have their biggest impact when applied to constructs that are relatively new or are under development, we plan to formalize the entire set of MPI one-sided communication primitives. This can help develop a comprehensive approach to verifying programs that use the MPI one-sided constructs.

Mohr et al. ): PVM/MPI 2006, LNCS 4192, pp. 30–39, 2006. c Springer-Verlag Berlin Heidelberg 2006 Formal Verification of Programs That Use MPI One-Sided Communication 31 In this paper, we conduct case studies that show the promise of the application of model checking in the area of parallel scientific programming using MPI. In particular, we focus on MPI one-sided communication [10]. Being (relatively) recently introduced and implemented, MPI one-sided communication is insufficiently understood and documented.

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