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 Jason Liu

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Average citations per article9.55
Citation Count506
Publication count53
Publication years1999-2018
Available for download38
Average downloads per article312.58
Downloads (cumulative)11,878
Downloads (12 Months)467
Downloads (6 Weeks)74
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57 results found Export Results: bibtexendnoteacmrefcsv

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1 published by ACM
May 2019 SIGSIM-PADS '19: Proceedings of the 2019 ACM SIGSIM Conference on Principles of Advanced Discrete Simulation
Publisher: ACM
Bibliometrics:
Citation Count: 0
Downloads (6 Weeks): 7,   Downloads (12 Months): 31,   Downloads (Overall): 31

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Reproducing network emulation experiments on diverse physical platforms with varying computation and communication resources is non-trivial. Many state-of-the-art network emulation testbeds do not guarantee timing fidelity. Consequently, results obtained from these testbeds can be misleading, especially when insufficient physical resources are provided to run the experiments. Reproducibility is far from ...
Keywords: network emulation, network experiments, reproducibility, time dilation, virtual machines

2
December 2018 WSC '18: Proceedings of the 2018 Winter Simulation Conference
Publisher: IEEE Press
Bibliometrics:
Citation Count: 0
Downloads (6 Weeks): 1,   Downloads (12 Months): 1,   Downloads (Overall): 1

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Due to the evolution of programming languages, interpreted languages have gained widespread use in scientific and research computing. Interpreted languages excel at being portable, easy to use, and fast in prototyping than their ahead-of-time (AOT) counterparts, including C, C++, and Fortran. While traditionally considered as slow to execute, advancements in ...

3 published by ACM
May 2018 SIGSIM-PADS '18: Proceedings of the 2018 ACM SIGSIM Conference on Principles of Advanced Discrete Simulation
Publisher: ACM
Bibliometrics:
Citation Count: 2
Downloads (6 Weeks): 9,   Downloads (12 Months): 114,   Downloads (Overall): 164

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Parallel application performance models provide valuable insight about the performance in real systems. Capable tools providing fast, accurate, and comprehensive prediction and evaluation of high-performance computing (HPC) applications and system architectures have important value. This paper presents PyPassT, an analysis based modeling framework built on static program analysis and integrated ...
Keywords: high-performance computing, performance modeling, performance prediction, program analysis, simulation

4
December 2017 WSC '17: Proceedings of the 2017 Winter Simulation Conference
Publisher: IEEE Press
Bibliometrics:
Citation Count: 3
Downloads (6 Weeks): 2,   Downloads (12 Months): 23,   Downloads (Overall): 23

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High-performance Computing (HPC) systems have gone through many changes during the past two decades in their architectural design to satisfy the increasingly large-scale scientific computing demand. Accurate, fast, and scalable performance models and simulation tools are essential for evaluating alternative architecture design decisions for the massive-scale computing systems. This paper ...

5
December 2017 WSC '17: Proceedings of the 2017 Winter Simulation Conference
Publisher: IEEE Press
Bibliometrics:
Citation Count: 0
Downloads (6 Weeks): 0,   Downloads (12 Months): 0,   Downloads (Overall): 0

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The paper presents a simulator designed specifically for evaluating job scheduling algorithms on large-scale HPC systems. The simulator was developed based on the Performance Prediction Toolkit (PPT), which is a parallel discrete-event simulator written in Python for rapid assessment and performance prediction of large-scale scientific applications on supercomputers. The proposed ...

6 published by ACM
September 2017 SIMUTOOLS '17: Proceedings of the 10th EAI International Conference on Simulation Tools and Techniques
Publisher: ACM
Bibliometrics:
Citation Count: 0
Downloads (6 Weeks): 4,   Downloads (12 Months): 16,   Downloads (Overall): 16

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Real-time network simulation enables simulation to operate in real time, and in doing so allows experiments with simulated, emulated, and real network components acting in concert to test novel network applications or protocols. Real-time simulation can also run in parallel for largescale network scenarios, in which case network traffic is ...
Keywords: Real-time network simulation, SDN, emulation, parallel simulation, software-defined networking

7
December 2016 WSC '16: Proceedings of the 2016 Winter Simulation Conference
Publisher: IEEE Press
Bibliometrics:
Citation Count: 0
Downloads (6 Weeks): 3,   Downloads (12 Months): 12,   Downloads (Overall): 12

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Scientific research should be reproducible, and as such also simulation research. However, the question is - is this really the case? In some application areas of simulation, e.g., cell biology, simulation studies cannot be published without data, models, methods, including computer code being made available for evaluation. With the applications ...

8 published by ACM
May 2016 SIGSIM-PADS '16: Proceedings of the 2016 ACM SIGSIM Conference on Principles of Advanced Discrete Simulation
Publisher: ACM
Bibliometrics:
Citation Count: 9
Downloads (6 Weeks): 2,   Downloads (12 Months): 29,   Downloads (Overall): 134

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Interconnection network is a critical component of high-performance computing architecture and application co-design. For many scientific applications, the increasing communication complexity poses a serious concern as it may hinder the scaling properties of these applications on novel architectures. It is apparent that a scalable, efficient, and accurate interconnect model would ...
Keywords: performance prediction, interconnection network, hardware software co-design, high-performance computing

9
December 2015 WSC '15: Proceedings of the 2015 Winter Simulation Conference
Publisher: IEEE Press
Bibliometrics:
Citation Count: 4
Downloads (6 Weeks): 6,   Downloads (12 Months): 19,   Downloads (Overall): 19

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We introduce Simian, a family of open-source Parallel Discrete Event Simulation (PDES) engines written using Lua and Python. Simian reaps the benefits of interpreted languages---ease of use, fast development time, enhanced readability and a high degree of portability on different platforms---and, through the optional use of Just-In-Time (JIT) compilation, achieves ...

10
October 2015 DS-RT 2015: Proceedings of the 19th International Symposium on Distributed Simulation and Real Time Applications
Publisher: IEEE Press
Bibliometrics:
Citation Count: 0
Downloads (6 Weeks): 5,   Downloads (12 Months): 5,   Downloads (Overall): 5

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Mininet is a popular container-based emulation environment built on Linux for testing OpenFlow applications. Using Mininet, one can compose an experimental network using a set of virtual hosts and virtual switches with flexibility. However, it is well understood that Mininet can only provide a limited capacity, both for CPU and ...
Keywords: software-defined networking, Network emulation, symbiotic simulation, network simulation, openflow

11 published by ACM
June 2015 ACM Transactions on Modeling and Computer Simulation (TOMACS) - Special Issue on PADS: Volume 26 Issue 1, December 2015
Publisher: ACM
Bibliometrics:
Citation Count: 2
Downloads (6 Weeks): 1,   Downloads (12 Months): 15,   Downloads (Overall): 241

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A testbed capable of representing detailed operations of complex applications under diverse network conditions is invaluable for understanding the design and performance of new protocols and applications before their real deployment. We introduce a novel method that combines high-performance large-scale network simulation and high-fidelity network emulation, and thus enables real ...
Keywords: DDDAS, Network simulation, network emulation, online simulation, symbiotic simulation

12
December 2014 WSC '14: Proceedings of the 2014 Winter Simulation Conference
Publisher: IEEE Press
Bibliometrics:
Citation Count: 0
Downloads (6 Weeks): 8,   Downloads (12 Months): 84,   Downloads (Overall): 254

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The fat tree topology with multipath capability has been used in many recent data center networks (DCNs) for increased bandwidth and fault tolerance. Traditional routing protocols have only limited support for multipath routing, and cannot fully utilize the available bandwidth in such networks. In this paper, we study multipath routing ...

13 published by ACM
November 2014 ACM Transactions on Modeling and Computer Simulation (TOMACS): Volume 25 Issue 1, January 2015
Publisher: ACM
Bibliometrics:
Citation Count: 2
Downloads (6 Weeks): 7,   Downloads (12 Months): 20,   Downloads (Overall): 248

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To reduce the computational complexity of large-scale network simulation, one needs to distinguish foreground traffic generated by the target applications one intends to study from background traffic that represents the bulk of the network traffic generated by other applications. Background traffic competes with foreground traffic for network resources and consequently ...
Keywords: Network simulation, background traffic model, network traffic clustering, spatiotemporal network traffic characteristics

14 published by ACM
July 2014 XSEDE '14: Proceedings of the 2014 Annual Conference on Extreme Science and Engineering Discovery Environment
Publisher: ACM
Bibliometrics:
Citation Count: 3
Downloads (6 Weeks): 0,   Downloads (12 Months): 3,   Downloads (Overall): 58

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Scalable Simulation Framework (SSF), a parallel simulation application programming interface (API) for large-scale discrete-event models, has been widely adopted in many areas. This paper presents a simplified and yet more streamlined implementation, called MiniSSF. MiniSSF maintains the core design concept of SSF, while removing some of the complex but rarely ...
Keywords: Discrete event simulation, model development, parallel simulation

15 published by ACM
May 2014 SIGSIM PADS '14: Proceedings of the 2nd ACM SIGSIM Conference on Principles of Advanced Discrete Simulation
Publisher: ACM
Bibliometrics:
Citation Count: 3
Downloads (6 Weeks): 1,   Downloads (12 Months): 13,   Downloads (Overall): 151

Full text available: PDFPDF
Large-scale network simulation imposes extremely high computing demand. While parallel processing techniques allows network simulation to scale up and benefit from contemporary high-end computing platforms, multi-resolutional modeling techniques, which differentiate network traffic representations in network models, can substantially reduce the computational requirement. In this paper, we present a novel method ...
Keywords: GPU, fluid model, network simulation

16
March 2014 GREE '14: Proceedings of the 2014 Third GENI Research and Educational Experiment Workshop
Publisher: IEEE Computer Society
Bibliometrics:
Citation Count: 0

PrimoGENI provides a GENI aggregate interface through which experimenters can launch large-scale network experiments on GENI resources consisting of both simulated network and real instances of network applications directly running on either virtual or physical machines. Real network traffic generated by the network applications can be introduced into the simulated ...
Keywords: GENI, hybrid network experiments, real-time network simulation

17
December 2013 WSC '13: Proceedings of the 2013 Winter Simulation Conference: Simulation: Making Decisions in a Complex World
Publisher: IEEE Press
Bibliometrics:
Citation Count: 2
Downloads (6 Weeks): 2,   Downloads (12 Months): 2,   Downloads (Overall): 16

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We tackle the problem of scheduling logical processes that can significantly affect the performance of running parallel simulation either in real time or proportional to real time. In particular, we present a comprehensive solution to dealing with the mixture of simulated and emulated events in a full-fledged conservatively synchronized parallel ...

18 published by ACM
May 2013 SIGSIM PADS '13: Proceedings of the 1st ACM SIGSIM Conference on Principles of Advanced Discrete Simulation
Publisher: ACM
Bibliometrics:
Citation Count: 4
Downloads (6 Weeks): 0,   Downloads (12 Months): 6,   Downloads (Overall): 171

Full text available: PDFPDF
A testbed capable of representing detailed operations of complex applications under diverse large-scale network conditions can be extremely helpful for investigating potential system design and implementation problems, and studying application performance issues, such as scalability and robustness, even before the applications are deployed in a real environment. We introduce a ...
Keywords: emulation, modeling, network simulation

19
April 2013 Simulation: Volume 89 Issue 4, April 2013
Publisher: Society for Computer Simulation International
Bibliometrics:
Citation Count: 3

Traditional discrete-event simulation of large-scale networks at the packet level is computationally expensive. This article presents a fast rate-based transmission control protocol (RTCP) traffic model designed to reduce the time and space complexity for simulating network traffic whilst maintaining good accuracy. A distinct feature of the proposed model is that ...
Keywords: analytical models, TCP, network traffic modeling, network simulation

20
July 2012 PADS '12: Proceedings of the 2012 ACM/IEEE/SCS 26th Workshop on Principles of Advanced and Distributed Simulation
Publisher: IEEE Computer Society
Bibliometrics:
Citation Count: 1
Downloads (6 Weeks): 0,   Downloads (12 Months): 1,   Downloads (Overall): 63

Full text available: PDFPDF
This paper presents the model splitting method for large-scale interactive network simulation, which addresses the separation of concerns between network researchers, who focus on developing complex network models and conducting large-scale network experiments, and simulator developers, who are concerned with developing efficient simulation engines to achieve the best performance on ...
Keywords: network simulation, interactive simulation, network experiment, online control and visualization



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