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In this paper we study the effect of processor affinity on real-time scheduling algorithms in uniform multiprocessor environments. For this reason we compare our two previously proposed algorithms called EFDF and FLLF, with two well know algorithms, namely global EDF and global LLF. Despite its non-optimality, EDF is an appropriate algorithm to use on multiprocessors. However, the performance of the...
Recently, there has been great interest in bioinformatics among researches from various disciplines such as computer science, mathematics, statistics and artificial intelligence. Bioinformatics mainly deals with solving biological problems at molecular levels. One of the classic problems of bioinformatics which has gain a lot attention lately is haplotyping, the goal of which is categorizing SNP-fragments...
Nowadays, an increasing amount of companies and organizations only implement their core business and outsource other application services over Internet. Besides, statistics show surprising details on the decline in the growth of the number of web servers being set up throughout the world. Real-Time characteristic of the Web is an important issue in the use of Web services. Moreover, the process of...
It has been proved that there is no optimal online scheduler for uniform parallel machines. Despite its non- optimality, EDF is an appropriate algorithm to use in such environments. However, its performance significantly drops in overloaded situations. Moreover, EDF produces a relatively large number of migrations which may prove unacceptable for use on some parallel machines. In this paper a new...
It has been proved that there is no optimal online scheduler for uniform parallel machines. Despite its non-optimality, EDF is an appropriate algorithm to use in such environments. However, its performance significantly degrades in overloaded situations. Moreover, EDF produces a relatively large number of migrations which may prove unacceptable for use on some parallel machines. In this paper a new...
Scheduling algorithms play an important role in design of real-time systems. Due to high processing power and low price of multiprocessors, real-time scheduling in such systems is more interesting; however, more complicated. Earliest deadline first (EDF) and least laxity first (LLF) are two well-known and extensively applied dynamic scheduling algorithms on which many researches have already been...
Soccer simulation is an effort to motivate researchers to perform artificial and robotic intelligence research; and at the same time put into practice and evaluate the results. The research includes design and implementation of robotic soccer simulation algorithms in a multi-agent environment. In this paper, we propose a fuzzy two-phase approach, based on our previous crisp two-phase mechanism, for...
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