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Download e-book for iPad: Algorithms and Architectures for Parallel Processing: 13th by Peter Benner, Pablo Ezzatti, Enrique Quintana-Ortí, Alfredo

By Peter Benner, Pablo Ezzatti, Enrique Quintana-Ortí, Alfredo Remón (auth.), Rocco Aversa, Joanna Kołodziej, Jun Zhang, Flora Amato, Giancarlo Fortino (eds.)

This quantity set LNCS 8285 and 8286 constitutes the complaints of the thirteenth foreign convention on Algorithms and Architectures for Parallel Processing , ICA3PP 2013, held in Vietri sul Mare, Italy in December 2013. the 1st quantity comprises 10 unusual and 31 common papers chosen from ninety submissions and overlaying issues corresponding to tremendous facts, multi-core programming and software program instruments, allotted scheduling and cargo balancing, high-performance clinical computing, parallel algorithms, parallel architectures, scalable and allotted databases, dependability in allotted and parallel structures, instant and cellular computing. the second one quantity involves 4 sections together with 35 papers from one symposium and 3 workshops held together with ICA3PP 2013 major convention. those are thirteen papers from the 2013 overseas Symposium on Advances of disbursed and Parallel Computing (ADPC 2013), five papers of the overseas Workshop on immense facts Computing (BDC 2013), 10 papers of the foreign Workshop on relied on info in giant facts (TIBiDa 2013) in addition to 7 papers belonging to Workshop on Cloud-assisted clever Cyber-Physical structures (C-Smart CPS 2013).

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Extra resources for Algorithms and Architectures for Parallel Processing: 13th International Conference, ICA3PP 2013, Vietri sul Mare, Italy, December 18-20, 2013, Proceedings, Part II

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In total, 11 implementations of the gje for matrix inversion were evaluated, obtained from the application of manual (programmer-driven) and automatic (compiler-driven) optimizations, as well as the use of tuned MKL kernels and the task-parallel SMPSs runtime. We believe that our study comprises most of the optimization techniques that are in use today, covering also a wide variety of compute-bounded dense linear algebra operations on current multicore processors. One major observation from this analysis is that, in general, optimization leads to significant reductions of execution time, but the variations of power (usually increases) that accompany those are rather small, which results in important reductions of energy.

Kaneko to lead to actual hardware implementation. Other critical parameters have a significant impact on hardware architecture decisions. Network scalability and topology simplicity are two of these critical parameters. And these are two of the reasons why modern supercomputers are often based on torus interconnects. At the beginning of supercomputing, the hypercube network [12] was popular due to its simplicity. This topology is no more applicable though due to the high number of nodes involved now.

5 Conclusions We have proposed in this paper a new topology for interconnection networks of massively parallel systems: torus-connected cycles. This topology aims at mitigating the problems faced by many network topologies proposed in the literature that hamper the actual hardware implementation of these networks. Additionally, we have shown that the diameter of a TCC is optimal in the case k even, and nearly optimal in the case k odd. Then, we have proposed a routing algorithm finding a Hamiltonian cycle inside a TCC.

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