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Zero Lookahead? Zero Problem. The Window Racer Algorithm
Synchronization algorithms for parallel simulation struggle to attain speedup if the simulation entities are tightly coupled and their interactions are difficult to predict. Window Racer is a novel parallel synchronization algorithm for shared-memory ...
Towards Discrete-Event, Aggregating, and Relational Control Interfaces for Traffic Simulation
- Zhuoxiao Meng,
- Anibal Siguenza-Torres,
- Mingyue Gao,
- Margherita Grossi,
- Alexander Wieder,
- Xiaorui Du,
- Stefano Bortoli,
- Christoph Sommer,
- Alois Knoll
The use of IoT and AI/ML to extract insights for Data-Driven Decision-Making (DDDM) in Intelligent Traffic Systems (ITS) is becoming increasingly popular. While simulation is a cost-effective and safe way to evaluate such approaches, existing simulators ...
Workload Interference Prevention with Intelligent Routing and Flexible Job Placement on Dragonfly
Dragonfly is an indispensable interconnect topology for exascale HPC systems. To link tens of thousands of compute nodes at a reasonable cost, Dragonfly shares network resources with the entire system such that network bandwidth is not exclusive to any ...
Enhancing Fidelity of P4-Based Network Emulation with a Lightweight Virtual Time System
P4’s data-plane programmability allows for highly customizable and programmable packet processing, enabling rapid innovation in network applications, such as virtualization, security, load balancing, and traffic engineering. Researchers extensively use ...
Towards a Performance-Aware Partitioning Algorithm for Cloud-Based Microscopic Vehicle Traffic Simulations
Distributed computing is one of the ways to scale up agent-based microscopic vehicle traffic simulations. A key factor for performance is the partitioning of the road network providing computation load balancing and minimizing communication cost. Many ...
Efficient Execution for Domain Specific Languages: Comparing Two Approaches for Demography and Cellular Biology
Domain Specific Languages (DSLs) provide an abstraction optimized for a specific class of problems. In Modelling and Simulation, DSLs can be used by domain experts to express a model using the concepts and rules from their domain. One challenge is to ...
Autonomous Agent for Beyond Visual Range Air Combat: A Deep Reinforcement Learning Approach
This work contributes to developing an agent based on deep reinforcement learning capable of acting in a beyond visual range (BVR) air combat simulation environment. The paper presents an overview of building an agent representing a high-performance ...
Storage System Trace Characterization, Compression, and Synthesis using Machine Learning – An Extended Abstract
This study addresses the knowledge gap in request-level storage trace analysis by incorporating workload characterization, compression, and synthesis. The aim is to better understand workload behavior and provide unique workloads for storage system ...
Combining Power Simulation and Programmable Network Emulation for Smart Grid Security Application Evaluation
We present a unique virtual testbed that combines a data-plane programmable network emulator and a power distribution system simulator to evaluate smart grid security and resilience applications. The testbed employs a virtual time system for effective ...
Exploring Machine Learning Models with Spatial-Temporal Information for Interconnect Network Traffic Forecasting
Interconnect networks are an essential component of high-performance computing (HPC) systems. To study large-scale networking systems, parallel discrete event simulation (PDES) has been widely used to simulate real-world HPC behaviors. However, PDES ...
A Study of Simulating Heterogeneous Workloads on Large-scale Interconnect Network
With the rapid growth of the machine learning applications, the workloads of future HPC systems are anticipated to be a mix of scientific simulation, big data analytics, and machine learning applications. Simulation is a great research vehicle to ...
Towards accessible Parallel Discrete Event Simulation of Spiking Neural Networks
Spiking Neural Networks (SNNs) are a class of Artificial Neural Networks that closely mimic biological neural networks. Their potential to advance medical and artificial intelligence research makes them particularly interesting to study. Since their ...
Equipment-centric Data-driven Reliability Assessment of Complex Manufacturing Systems
Complex manufacturing systems produce highly engineered products with long product cycle times and are characterized by complex production process behaviors. Ensuring the reliability of these systems is critical to meet customer demands, improve product ...
Automatic Model Generation and Data Assimilation Framework for Cyber-Physical Production Systems
The recent development of new technologies within the Industry 4.0 revolution drives the increased digitization of manufacturing plants. To effectively utilize the digital twins, it is essential to guarantee a correct alignment between the physical ...
Hybrid Speculative Synchronisation for Parallel Discrete Event Simulation
Parallel discrete-event simulation (PDES) is a well-established family of methods to accelerate discrete-event simulations. However, the available algorithms vary substantially in the performance achievable for different models, largely preventing ...
From Explainable AI to Explainable Simulation: Using Machine Learning and XAI to understand System Robustness
Evaluating robustness is an important goal in simulation-based analysis. Robustness is achieved when the controllable factors of a system are adjusted in such a way that any possible variance in uncontrollable factors (noise) has minimal impact on the ...
Effective Access to the Committed Global State in Speculative Parallel Discrete Event Simulation on Multi-core Machines
Output production and predicate detection are critical in speculative parallel discrete event simulation, since they need to take place accessing past state values—which have become committed—rather than the current state of the simulation objects, ...
SymBChainSim: A Novel Simulation Tool for Dynamic and Adaptive Blockchain Management and its Trilemma Tradeoff
Despite the recent increase in the popularity of blockchain, the technology suffers from the trilemma trade-off between security decentralisation and scalability prohibiting adoption, and limiting the efficiency and effectiveness of the induced system. ...
Hybrid PDES Simulation of HPC Networks Using Zombie Packets
- Elkin Cruz-Camacho,
- Kevin A. Brown,
- Xin Wang,
- Xiongxiao Xu,
- Kai Shu,
- Zhiling Lan,
- Robert B. Ross,
- Christopher D. Carothers
High-fidelity network simulations provide insights into new realms for high-performance computing (HPC) architectures, although at a high cost. Surrogate models offer a significant reduction in runtime, yet they cannot serve as complete replacements and ...
Machine Learning for Interconnect Network Traffic Forecasting: Investigation and Exploitation
- Xiongxiao Xu,
- Xin Wang,
- Elkin Cruz-Camacho,
- Christopher D. Carothers,
- Kevin A. Brown,
- Robert B. Ross,
- Zhiling Lan,
- Kai Shu
Interconnect networks play a key role in high-performance computing (HPC) systems. Parallel discrete event simulation (PDES) has been a long-standing pillar for studying large-scale networking systems by replicating the real-world behaviors of HPC ...
HELICSAuto: Automating the Development of Cyber-Physical Co-Simulation Framework for Smart Grids
Co-simulation is a powerful technique integrating various simulation tools to create a unified simulation environment. It provides an in-depth understanding of the interplay between cyber and physical infrastructures in industrial control systems like ...
Learning to Calibrate Hybrid Hyperparameters: a Study on Traffic Simulation
Traffic simulation is an important computational technique that models the behavior and interactions of vehicles, pedestrians, and infrastructure in a transportation system. Calibration, which involves adjusting simulation parameters to match real-world ...
Reproducibility Report for the Paper: “Hybrid PDES Simulation of HPC Networks Using Zombie Packets”
The examined paper presents a surrogate model for HPC networks. The authors have uploaded their artifact to Zenodo, which ensures a long-term retention of the artifact. This paper can thus receive the Artifacts Available badge. The artifact allows for ...
Reproducibility Report for the Paper: “Workload Interference Prevention with Intelligent Routing and Flexible Job Placement on Dragonfly”
For the paper a permanent artifact is available. This artifact provides a simple script to reproduce the results. The results in the paper are simulations and therefore have no issues running on different hardware.
Reproducibility Report for the Paper: “Hybrid Speculative Synchronisation for Parallel Discrete Event Simulation”
The examined paper presents a parallel discrete-event simulation (PDES) runtime which is able to combine two disparate synchronization algorithms: Window Racer (conservative) and Time Warp (optimistic). The authors have uploaded their artifact to Zenodo,...
RCR Report of “Zero Lookahead? Zero Problem. The Window Racer Algorithm”
The artifact evaluated in this report is relevant to the paper “Zero Lookahead? Zero Problem. The Window Racer Algorithm”. In fact, it allows to run the experiments, reproduce figures and tables. Dependencies are well documented. The process to ...
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Acceptance Rates
Year | Submitted | Accepted | Rate |
---|---|---|---|
SIGSIM-PADS '19 | 25 | 13 | 52% |
SIGSIM-PADS '18 | 46 | 15 | 33% |
SIGSIM PADS '15 | 60 | 35 | 58% |
SIGSIM PADS '14 | 33 | 19 | 58% |
SIGSIM PADS '13 | 75 | 29 | 39% |
PADS '08 | 52 | 21 | 40% |
PADS '07 | 37 | 24 | 65% |
PADS '06 | 43 | 21 | 49% |
PADS '05 | 46 | 30 | 65% |
PADS '03 | 33 | 20 | 61% |
PADS '02 | 29 | 19 | 66% |
PADS '01 | 31 | 21 | 68% |
PADS '00 | 36 | 19 | 53% |
PADS '99 | 38 | 19 | 50% |
PADS '98 | 39 | 21 | 54% |
PADS '97 | 47 | 27 | 57% |
PADS '96 | 43 | 18 | 42% |
PADS '94 | 66 | 27 | 41% |
Overall | 779 | 398 | 51% |