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| Research lines ::: |
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| Systems Simulation |
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| Concurrent, Parallel and Distributed Systems |
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| Systems Simulation |
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In this research line we investigate methods and techniques for computational simulation of (and using) computer systems, focusing in parallel and distributed systems.
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In our current major project we are developing a grid/cloud simulator based on iconic modeling, named iSPD, from iconic Simulator of Parallel and Distributed systems. It tries to overcome modeling hazards present in commonly used simulators such as SimgGrid, GridSim and CloudSim. This project is funded by FAPESP and is conducted by the majority of GSPD's team.
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In a different road we are investigating procedures to generate customized simulators from behavioral characteristics provided by a given user. Currently we are interested in discrete event simulators and the generated tools must be accurate and easy to use, with a graphical interface to system's modeling.
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Another tool is RTsim (Real-Time simulator), applied to the simulation and learning of real-time scheduling algorithms and systems. This tool has under development for a long time now. It currently have graphical interfaces for scheduler generation and modeling task's dependencies. It also has a component enabling students to try a schedule and verify if it was correct.
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| Concurrent, Parallel and Distributed Systems |
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In this front we are working on new approaches to perform and evaluate computations in such systems. Projects in this front are somewhat birds-of-a-feather, since they involve several aspects of a large range of systems.
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Recent works dealt with use of GPUs, job allocation in clouds, meta-schedulers, energy-oriented task scheduling, fault-tolerance, evaluation of workflow loads, evaluation of microservices, and application-oriented parallel algorithms.
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