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The local Time Warp approach to parallel simulation

Hassan Rajaei, Rassul Ayani, Lars-Erik Thorelli
1993 Proceedings of the seventh workshop on Parallel and distributed simulation - PADS '93  
conservative algorithms present an important class of parallel simulation schemes which in some cases outperform other conservative methods. (3) Synchronous window-based algorithms are powerful  ...  In this paper we propose the Local Time Warp (LTW) approach to parallel simulation and present a novel synchronization scheme for it called HCTW.  ...  "Speed-Up of Conservative Distributed Discrete Event Simulation Method by Speculative Computing", in Proc. of SCS Muhi-Confererrce on Advances in Parallel and Distributed Simulation, 163-166.  ... 
doi:10.1145/158459.158474 fatcat:v7gpr3pe7ncajgcofg2dbewacm

The local Time Warp approach to parallel simulation

Hassan Rajaei, Rassul Ayani, Lars-Erik Thorelli
1993 ACM SIGSIM Simulation Digest  
conservative algorithms present an important class of parallel simulation schemes which in some cases outperform other conservative methods. (3) Synchronous window-based algorithms are powerful  ...  In this paper we propose the Local Time Warp (LTW) approach to parallel simulation and present a novel synchronization scheme for it called HCTW.  ...  "Speed-Up of Conservative Distributed Discrete Event Simulation Method by Speculative Computing", in Proc. of SCS Muhi-Confererrce on Advances in Parallel and Distributed Simulation, 163-166.  ... 
doi:10.1145/174134.158474 fatcat:npuw6bfkxnh6hdxzikjoybnuce

ScaleSimulator: A Fast and Cycle-Accurate Parallel Simulator for Architectural Exploration [article]

Ori Chalak, Cai Weiguang, Li Wei, Fang Lei, Zheng Libing, Wang Jintang, Wu Zuguang, Gu Xiongli, Wang Haibin, Avi Mendelson
2018 arXiv   pre-print
Most existing architecture level simulators are designed to be flexible and to execute the code in parallel for greater efficiency, but at the cost of scarified accuracy.  ...  Thus, this paper focuses mainly on the ScaleSimulator design points that enable better parallel execution while maintaining the scalability and cycle accuracy of a simulated architecture.  ...  New approach for synchronization Synchronization is one of the main limiters of the actual parallel scaling that can be achieved from parallel systems in general and from parallel simulators in particular  ... 
arXiv:1803.11440v1 fatcat:p2rqlldaivgrze24o52s5hwuxu

Experimental Demonstration of Nanosecond Accuracy Wireless Network Synchronization [article]

Marcelo Segura, S. Niranjayan, Hossein Hashemi, Andreas F. Molisch
2014 arXiv   pre-print
Accurate wireless timing synchronization has been an extremely important topic in wireless sensor networks, required in applications ranging from distributed beam forming to precision localization and  ...  This work presents, to our knowledge for the first time, an experimental timing synchronization scheme that achieves a timing accuracy better than 5ns rms in a network with 4 nodes.  ...  in the distributed algorithm.  ... 
arXiv:1409.7637v1 fatcat:66k54kaldbdzpjr5zjryxi2uhq

HLA-based Simulation Environment for distributed SystemC Simulation

Christoph Roth, Oliver Sander, Matthias Kühnle, Jürgen Becker
2011 Proceedings of the 4th International ICST Conference on Simulation Tools and Techniques  
The emphasis within this work is on the synchronization and time flow mechanisms that need to be applied when executing a single SystemC model in parallel.  ...  It basically allows different kinds of execution like distributed simulation of a single SystemC model as well as co-simulation with other arbitrary simulators.  ...  In [17] also a specialized simulation engine for TLMs and a modelling methodology called TLM with distributed time is introduced to simulate an MPSoC in parallel.  ... 
doi:10.4108/icst.simutools.2011.245520 dblp:conf/simutools/RothSKB11 fatcat:xdpc4wclqzhwdfeaqxxgxo66jq

Parallel simulation of chip-multiprocessor architectures

Matthew Chidester, Alan George
2002 ACM Transactions on Modeling and Computer Simulation  
the data needed, and completing and reviewing the collection of information.  ...  Public reporting burden for the collection of information is estimated to average 1 hour per response, including the time for reviewing instructions, searching existing data sources, gathering and maintaining  ...  of parallel algorithm and a high-performance network very important for the host.  ... 
doi:10.1145/643114.643116 fatcat:imo654u7p5bilfw4pwvzvnqvky

Cache simulator based on GPU acceleration

Wan Han, Gao Xiaopeng, Wang Zhiqiang
2009 Proceedings of the Second International ICST Conference on Simulation Tools and Techniques  
In this paper, we explore both setparallelism and search-parallelism in cache simulation process, and map our parallel algorithm to GPU-CPU platform.  ...  Traditional simulation methods, which can only execute simulation operations in sequence, are no longer practical due to their long simulation cycles.  ...  ACKNOWLEDGMENTS Our thanks to the support provided by the National High Technology Research and Development Program (2007AA01Z183).  ... 
doi:10.4108/icst.simutools2009.5562 dblp:conf/simutools/HanXZ09 fatcat:x2aprvs52nhvzei3e2famwaddu

Modelling and Control of Mechatronics Lines Served by Complex Autonomous Systems

Dragomir, Mincă, Dragomir, Filipescu
2019 Sensors  
One will assist the disassembly in even, while the other in odd workstations. The added value of this second approach consists in the optimization of a complete disassembly cycle.  ...  Thirdly, it is proposed in the paper the real time control of mechatronics line served by CASs working in parallel, based on the SHPN model.  ...  Offline Simulation of the Process The SHPN models in collaborative approach, integrates the presented algorithms as well the synchronization signals for different activities were simulated in offline mode  ... 
doi:10.3390/s19153266 pmid:31344960 pmcid:PMC6695814 fatcat:4m7wncgzujflzfivmsimeiodtu

A Study Of Recent Contribution On Simulation Tools For Network-On-Chip

Muthana Saleh Alalaki, Michael Opoku Agyeman
2017 Zenodo  
Furthermore, an overview of NoC is covered as well as a comparison between some NoC simulators to help facilitate research in on-chip communication.  ...  This paper presents a study of recent contributions on simulation tools for NoC.  ...  In terms of system simulation, it provides the required flexibility in high-level simulation tools.  ... 
doi:10.5281/zenodo.1130378 fatcat:jsrgix7ff5ffhagvixdkz6iotq

Evaluation of parallel logic simulation using DVSIM

G. Meister
1996 Proceedings of HICSS-29: 29th Hawaii International Conference on System Sciences  
Parallel simulation is expected to speed up simulation run time in a significant way. This paper describes a framework that is used to evaluate the performance of parallel simulation algorithms.  ...  Monitoring tools are employed to observe and to improve the algorithmic performance.  ...  and secondly to examine the behavior of different simulation synchronization algorithms.  ... 
doi:10.1109/hicss.1996.495487 dblp:conf/hicss/Meister96 fatcat:4r4jnx3jz5c5vigmw6ehuux3si

Optimization of automatically generated multi-core code for the LTE RACH-PD algorithm [article]

Maxime Pelcat, Slaheddine Aridhi, Jean François Nezan
2008 arXiv   pre-print
The Random Access Channel Preamble Detection (RACH-PD) is an algorithm for non-synchronized access of Long Term Evolu-tion (LTE) wireless networks.  ...  AAM prototyping is applied to the RACH-PD which is modelled as a Synchronous DataFlow graph (SDF).  ...  Our goal is to automatically generate a highly optimized and flexible code with the necessary transfers and synchronization.  ... 
arXiv:0811.0582v1 fatcat:zl4rnjltvrfh7pvkaqzmnpxoeu

Time Synchronization Algorithm for Distributed Digital Product Collaborative Simulation in Multi-core Environment

2017 Revista Técnica de la Facultad de Ingeniería Universidad del Zulia  
In order to improve the efficiency of simulation verification and the self-adaptability of time management for digital prototype products in multi-core cluster environment, a method to automatically adjust  ...  Secondly, when there are many simulation entities, parallel federation members with 16 logical processes and load balancing capabilities can make performance the simulation verification time of prototype  ...  is partially supported by the Defense basic research projects of #A0420131501, Funding Project for Department of Education of Shaanxi Province of China (#15JK1861), Natural Science Basic Research Plan in  ... 
doi:10.21311/001.39.10.21 fatcat:jpmjtz2j3rgrhgau5ceaidprue

Noncommittal barrier synchronization

David M. Nicol
1995 Parallel Computing  
Barrier synchronization is a fundamental operation in parallel computation.  ...  The problem arises when the number of pre-synchronization messages to be received by a processor is unknown, for example, in a parallel discrete simulation or any other computation that is largely driven  ...  We also acknowledge the usefulness of discussions on optimistic barrier synchronization with Phillip Dickens, Paul Reynolds, Richard Fujimoto, Lisa Sokol, and Harry Jordan.  ... 
doi:10.1016/0167-8191(94)00101-f fatcat:7t44ztssl5dq7m7m37nmy2hkh4

Dataflow Architectures: Flexible Platforms for Neural Network Simulation

Ira Smotroff
1989 Neural Information Processing Systems  
Dataflow architectures are general computation engines optimized for the execution of fme-grain parallel algorithms. Neural networks can be simulated on these systems with certain advantages.  ...  In this manner, fine grain parallel computation is achieved, with the limit on the amount of possible parallelism determined by the problem and the number of processing elements in the machine.  ...  A schematic view of a tagged-token processor is shown in Figure 2 . Execution proceeds in a Wait-Match-Store cycle which achieves data synchronization.  ... 
dblp:conf/nips/Smotroff89 fatcat:x3vd6y5taneepcqhkiytobj5p4

Manycore simulation for peta-scale system design: Motivation, tools, challenges and prospects

Javad Zarrin, Rui L. Aguiar, João Paulo Barraca
2017 Simulation modelling practice and theory  
In this paper, we present the challenges for simulating future large scale manycore environments, and we investigate the adequacy of current modeling and simulation tools, methodologies and techniques.  ...  Furthermore, the design of architecture simulators for manycore systems involve methods and techniques from various interdisciplinary research areas, which in turn brings more challenges in different aspects  ...  PDES-based parallel simulators might support single or multiple synchronization algorithms.  ... 
doi:10.1016/j.simpat.2016.12.014 fatcat:j2acoyv235awfjkz6w7krvzh44
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