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Autonomic Log/Restore for Advanced Optimistic Simulation Systems

Roberto Vitali, Alessandro Pellegrini, Francesco Quaglia
2010 2010 IEEE International Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems  
In this paper we address state recoverability in optimistic simulation systems by presenting an autonomic log/restore architecture.  ...  management of dual versions of the same application layer, with dynamic selection of the best suited operating mode in different phases of the optimistic simulation run, and (iv) determination of the best  ...  The autonomic layer has been integrated within the ROme OpTimistic Simulator (ROOT-Sim), an open source, general purpose simulation platform based on the optimistic synchronization approach, thus making  ... 
doi:10.1109/mascots.2010.40 dblp:conf/mascots/VitaliPQ10 fatcat:mfm6u4a4d5fqfpp476vhw2ubsa

An Evolutionary Algorithm to Optimize Log/Restore Operations within Optimistic Simulation Platforms

Alessandro Pellegrini, Roberto Vitali, Francesco Quaglia
2011 Proceedings of the 4th International ICST Conference on Simulation Tools and Techniques  
In this work we address state recoverability in advanced optimistic simulation systems by proposing an Evolutionary Algorithm to optimize at run-time the parameters associated with state log/restore activities  ...  Further, we provide the results of an experimental study testing our proposal on a suite of simulation models for wireless communication systems.  ...  Such a solution results therefore tailored for scenarios where the computing platform is reserved for the optimistic simulation run.  ... 
doi:10.4108/icst.simutools.2011.245556 dblp:conf/simutools/PellegriniVQ11a fatcat:jouh5lvpnngfnl4cardmd7bfpa

Cache-Aware Memory Manager for Optimistic Simulations

Roberto Vitali, Alessandro Pellegrini, Giornata Cerasuolo
2012 Proceedings of the Fifth International Conference on Simulation Tools and Techniques  
In this work we propose generally-applicable design principles for a new memory management subsystem targeted at Optimistic Simulation platforms which can face this issue by wisely allocating memory buffers  ...  In particular, Optimistic Simulation allows full exploitation of the available computational power, avoiding the need to compute safety properties for the events to be executed.  ...  Optimistic simulation platforms usually suffer from a nonlocal behaviour.  ... 
doi:10.4108/icst.simutools.2012.247766 dblp:conf/simutools/VitaliPC12 fatcat:wvwd4tpejbbkfn7kvo7674noxu

The ROme OpTimistic Simulator: Core Internals and Programming Model

Alessandro Pellegrini, Roberto Vitali, Francesco Quaglia
2011 Proceedings of the 4th International ICST Conference on Simulation Tools and Techniques  
In this paper we present the ROme OpTimistic Simulator (ROOT-Sim), an open source simulation platform developed using C technology and targeted at Linux Systems.  ...  of the platform.  ...  We have varied both the number of nodes in the simulation network and the grid size, in order to assess how the simulation platform scales, even when simulation states can grow arbitrarily.  ... 
doi:10.4108/icst.simutools.2011.245551 dblp:conf/simutools/PellegriniVQ11 fatcat:4x7ew7vypjfxxn55elyoyvkfzu

Modeling and Simulation of China Railway High-Speed Electric Multiple Units Based on Multi-Agent

Li Kou, Wenhui Fan, Shuang Song
2019 Engineering  
The platform provides convenient Agent management, state monitoring, message The ADAMS file of Agent transformation API. other functions for developing the Agent based on the JADE specification, without  ...  As the high-speed train simulation has a distributed architecture, an integrated strategy for time management is put forward in this paper, with a conservative strategy within the node, and an optimistic  ... 
doi:10.4236/eng.2019.116022 fatcat:nn3sl3pndvhs7fw7hi7fblltx4

Optimizing memory management for optimistic simulation with reinforcement learning

Alessandro Pellegrini
2016 2016 International Conference on High Performance Computing & Simulation (HPCS)  
With few exceptions, adaptive protocols targeting memory management for Time Warp-based simulations have been mostly based on a pre-defined analytic models of the system, expressed as a closed-form functions  ...  that map system's state to control parameters.  ...  The Q-Learning log/restore layer has been integrated into the ROme OpTimistic Simulator (ROOT-Sim) 1 , an open source general-purpose simulation platform based on the Optimistic Synchronization approach  ... 
doi:10.1109/hpcsim.2016.7568312 dblp:conf/ieeehpcs/Pellegrini16 fatcat:rnyrbko5nrfpfh6jp2nxr5zltu

Towards Ontology-Based Multiagent Simulations: The Plasma Approach

Tobias Warden, Robert Porzel, Jan D. Gehrke, Otthein Herzog, Hagen Langer, Rainer Malaka
2010 ECMS 2010 Proceedings edited by A Bargiela S A Ali D Crowley E J H Kerckhoffs  
In multiagent-based simulation systems the agent programming paradigm is adopted for simulation.  ...  We illustrate the benefits of an ontology grounding for simulation design and discuss further gains to be expected from recent advances in ontology engineering, namely the adaption of foundational ontologies  ...  PlaSMA, the Platform for Simulations with Multiple Agents, is developed at the CRC 637 "Autonomous Cooperating Logistic Processes".  ... 
doi:10.7148/2010-0050-0056 dblp:conf/ecms/WardenPGHLM10 fatcat:bv75crom7jetjcvmi7ykznxfzy

Consistent and efficient output-streams management in optimistic simulation platforms

Francesco Antonacci, Alessandro Pellegrini, Francesco Quaglia
2013 Proceedings of the 2013 ACM SIGSIM conference on Principles of advanced discrete simulation - SIGSIM-PADS '13  
Optimistic synchronization is considered an effective means for supporting Parallel Discrete Event Simulations.  ...  Further, the whole output streams' management subsystem has been designed in order to provide scalability for I/O management on clusters.  ...  for managing output streams.  ... 
doi:10.1145/2486092.2486133 dblp:conf/pads/AntonacciPQ13 fatcat:6zkvvdpdqvbxpgho4mpndoybb4

A Protocol for the Atomic Capture of Multiple Molecules on Large Scale Platforms [chapter]

Marin Bertier, Marko Obrovac, Cédric Tedeschi
2012 Lecture Notes in Computer Science  
autonomic coordination of services.  ...  Envisioned over largely distributed and highly dynamic platforms, expressing this coordination calls for alternative programming models.  ...  These reactions take place in an implicitly parallel and autonomous way, until no more reactions are possible, a state referred to as inertia.  ... 
doi:10.1007/978-3-642-25959-3_1 fatcat:ukmjum4dgfgzzjhvj46b5eywou

A Protocol for the Atomic Capture of Multiple Molecules at Large Scale [article]

Marin Bertier, Cédric Tedeschi
2012 arXiv   pre-print
Envisioned over largely distributed and highly dynamic platforms, expressing this coordination calls for alternative programming models.  ...  In this paper, we propose a protocol for the atomic capture of these molecules distributed and evolving over a large scale platform.  ...  These reactions take place in an implicitly parallel and autonomous way, until no more reactions are possible, a state referred to as inertia.  ... 
arXiv:1203.3013v1 fatcat:n5nzxdv2ebfoxbv6y3l7dlu26q

Bringing simulation to life: A mixed reality autonomous intersection

M Quinlan, Tsz-Chiu Au, J Zhu, N Stiurca, P Stone
2010 2010 IEEE/RSJ International Conference on Intelligent Robots and Systems  
From this platform we validated realistic parameters for our autonomous vehicle to safely traverse an intersection in AIM.  ...  To realistically test the protocol, we implemented a mixed reality platform on which an autonomous vehicle can interact with multiple virtual vehicles in a simulation at a real intersection in real time  ...  Fig. 3 . 3 The full sized autonomous vehicle and the AIM simulator in our mixed reality platform.  ... 
doi:10.1109/iros.2010.5651993 dblp:conf/iros/QuinlanAZSS10 fatcat:jn4nhygknnfx7kajlxulox6vtu

Interfacing Issues in Multiagent Simulation for Smart Grid Applications

X. Wang, P. Zhang, Z. Wang, V. Dinavahi, G. Chang, J. A. Martinez, A. Davoudi, A. Mehrizi-Sani, S. Abhyankar
2013 IEEE Transactions on Power Delivery  
The state-of-the-art applications of multiagent simulation in power and energy systems are classified based on the simulation environment.  ...  The paper also addresses the interface issues including synchronization and data distribution for multiagent co-simulation.  ...  It offers an effective way of serving as the platform for modeling autonomous decision-making entities and can be used to realize smart grid concepts for grid planning and operations.  ... 
doi:10.1109/tpwrd.2013.2260566 fatcat:b4mtltbrejgahbqtqflpkfbpi4

Task-Motion Planning for Safe and Efficient Urban Driving [article]

Yan Ding, Xiaohan Zhang, Xingyue Zhan, Shiqi Zhang
2020 arXiv   pre-print
TMPUD has been evaluated using a realistic urban driving simulation platform.  ...  To this end, we develop algorithm Task-Motion Planning for Urban Driving (TMPUD) that, for the first time, enables the task and motion planners to communicate about the safety level of driving behaviors  ...  ACKNOWLEDGEMENTS The authors thank Fangkai Yang for discussions on this topic. This work has taken place in the Autonomous Intelligent Robotics (AIR) Group at SUNY Binghamton.  ... 
arXiv:2003.03807v2 fatcat:u654x3o3xnfabbjx2nyxn35cem

Synchronization methods in parallel and distributed discrete-event simulation

Shafagh Jafer, Qi Liu, Gabriel Wainer
2013 Simulation modelling practice and theory  
for the parallel discrete-event simulations.  ...  A Parallel Discrete-Event Simulation (PDES) consists of Logical Processes (LPs) acting as the simulation entities, which do not share any state variables, and interact with each other merely through exchanging  ...  The need for handling potential rollbacks in optimistic parallel simulations makes event management more complex than in a sequential simulation, mainly because past events that have already been processed  ... 
doi:10.1016/j.simpat.2012.08.003 fatcat:azaynxjyingybamdj2whgo5bme

Adaptive atomic capture of multiple molecules

Marin Bertier, Marko Obrovac, Cédric Tedeschi
2013 Journal of Parallel and Distributed Computing  
In this paper, we propose a protocol for the atomic capture of these molecules distributed and evolving over a large-scale platform.  ...  Such a paradigm calls for alternative programming abstractions, able to express autonomic behaviours. In this quest, nature-inspired analogies regained a lot of interest.  ...  As for instance put by Parashar and Hariri in [23] , autonomic computing is a paradigm consisting in building systems that can "manage themselves in accordance with high-level guidance from humans."  ... 
doi:10.1016/j.jpdc.2013.03.010 fatcat:aivp7iqugff7tpq7mbnmpqzqqe
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