Read e-book online Algorithmic Aspects of Cloud Computing: First International PDF

By Ioannis Karydis, Spyros Sioutas, Peter Triantafillou, Dimitrios Tsoumakos

ISBN-10: 3319299182

ISBN-13: 9783319299181

ISBN-10: 3319299190

ISBN-13: 9783319299198

This publication constitutes the completely refereed post-conference court cases of the 1st foreign Workshop on Algorithmic points of Cloud Computing, ALGOCLOUD 2015, held in Patras, Greece, in September 2015 at the side of ALGO 2015.

The thirteen revised complete papers offered including 2 instructional papers have been rigorously reviewed and chosen from 37 preliminary submissions. They disguise a variety of issues in major tracks: algorithmic points of large-scale information shops, and software program instruments and disbursed architectures for cloud-based information management.

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Extra resources for Algorithmic Aspects of Cloud Computing: First International Workshop, ALGOCLOUD 2015, Patras, Greece, September 14-15, 2015. Revised Selected Papers

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Li make Subleq a practical and efficient choice. Therefore, in this paper, we focus on how to simulate Subleq privately and secretly. Comparing the values of two memory words that are represented by secret shares, is hard to implement, hence we secret share the words bit by bit, perform the arithmetic over secret shared bits and then branch according to the sign bit of the result. This leads to a novel scheme for executing secret shared Subleq (SSS-Subleq) programs. The details are presented in Sect.

This algorithm provides very efficient allocations, compared to state-of-the-art greedy packing heuristics. The remaining of this paper is organized as follows. We discuss some related works in Sect. 2. In Sect. 3, we present the formulation of the optimization problem as a Second Order Cone Program (SOCP). In Sect. 4, we propose our efficient packing algorithm based on column generation, whose performance is analyzed and validated on realistic and simulated data in Sect. 5. Finally, conclusions are drawn in Sect.

E. a set of jobs which can be allocated together on a single machine while respecting the capacity constraint. One configuration Zi can be represented as a J-uplet (X1,i , X2,i , . . , XJ,i ), where Xj,i is the number of tasks of job j in configuration i. As discussed previously, this configuration is valid if it satisfies Eq. (1). In the following, we will denote as K the set of all valid configurations. e. the number of machines to which Xj,i tasks of job j are allocated. t Xj,i Yi ≥ Nj ∀j ∈ J, (5) i∈K Yi ∈ N (6) This master problem cannot be solved directly due to an exponential number of variables.

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Algorithmic Aspects of Cloud Computing: First International Workshop, ALGOCLOUD 2015, Patras, Greece, September 14-15, 2015. Revised Selected Papers by Ioannis Karydis, Spyros Sioutas, Peter Triantafillou, Dimitrios Tsoumakos


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