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SPORT: An Algorithm for Divisible Load Scheduling with Result Collection on Heterogeneous Systems

Abhay Ghatpande 1 Hidenori Nakazato 1 Olivier Beaumont 2, 3 Hiroshi Watanabe 1
3 CEPAGE - Algorithmics for computationally intensive applications over wide scale distributed platforms
Université Sciences et Technologies - Bordeaux 1, Inria Bordeaux - Sud-Ouest, École Nationale Supérieure d'Électronique, Informatique et Radiocommunications de Bordeaux (ENSEIRB), CNRS - Centre National de la Recherche Scientifique : UMR5800
Abstract : Divisible Load Theory (DLT) is an established mathematical framework to study Divisible Load Scheduling (DLS). However, traditional DLT does not address the scheduling of results back to source (i.e., result collection), nor does it comprehensively deal with system heterogeneity. In this paper, the the DLSRCHETS (DLS with Result Collection on Heterogeneous Systems) problem is addressed. The few papers to date that have dealt with DLSRCHETS, proposed simplistic LIFO (Last In, First Out) and FIFO (First In, First Out) type of schedules as solutions to DLSRCHETS. In this paper, a new polynomial time heuristic algorithm, SPORT, is proposed as a solution to the DLSRCHETS problem. With the help of simulations, it is proved that the performance of SPORT is significantly better than existing algorithms. The other major contributions of this paper include, for the first time ever, (a) the derivation of the condition to identify the presence of idle time in a FIFO schedule for two processors, (b) the identification of the limiting condition for the optimality of FIFO and LIFO schedules for two processors, and (c) the introduction of the concept of equivalent processor in DLS for heterogeneous systems with result collection.
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Submitted on : Monday, November 3, 2008 - 11:25:32 AM
Last modification on : Friday, December 3, 2021 - 3:38:03 PM


  • HAL Id : inria-00336212, version 1



Abhay Ghatpande, Hidenori Nakazato, Olivier Beaumont, Hiroshi Watanabe. SPORT: An Algorithm for Divisible Load Scheduling with Result Collection on Heterogeneous Systems. IEICE Transactions on Communications, Institute of Electronics, Information and Communication Engineers, 2008. ⟨inria-00336212⟩



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