Journal ArticleDOI
Non-Stationary Traffic Analysis and Its Implications on Multicore Platform Design
Paul Bogdan,Radu Marculescu +1 more
TLDR
This work proposes a statistical physics inspired approach to capture the traffic dynamics in multicore systems and opens up new research directions into NoC optimization which require accurate models of time-dependent and space-dependent traffic behavior.Abstract:
Networks-on-chip (NoCs) have been proposed as a viable solution to solving the communication problem in multicore systems. In this new setup, mapping multiple applications on available computational resources leads to interaction and contention at various network resources. Consequently, taking into account the traffic characteristics becomes of crucial importance for performance analysis and optimization of the communication infrastructure, as well as proper resource management. Although queuing-based approaches have been traditionally used for performance analysis purposes, they cannot properly account for many of the traffic characteristics (e.g., non-stationarity, self-similarity) that are crucial for multicore platform design. To overcome these limitations, we propose a statistical physics inspired approach to capture the traffic dynamics in multicore systems. As shown later in this paper, this is of fundamental significance for re-thinking the very basis of multicore systems design; it also opens up new research directions into NoC optimization which require accurate models of time-dependent and space-dependent traffic behavior.read more
Citations
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Journal ArticleDOI
Design Techniques and Applications of Cyberphysical Systems: A Survey
TL;DR: The aim of this survey is to enable researchers and system designers to get insights into the working and applications of CPSs and motivate them to propose novel solutions for making wide-scale adoption of CPS a tangible reality.
Journal ArticleDOI
Application Mapping Onto Mesh-Based Network-on-Chip Using Discrete Particle Swarm Optimization
TL;DR: This paper presents a discrete particle swarm optimization (PSO)-based strategy to map applications on both 2-D and 3-D mesh-connected Networks-on-Chip, and its results are superior to those from reported techniques.
Proceedings ArticleDOI
An Optimal Control Approach to Power Management for Multi-Voltage and Frequency Islands Multiprocessor Platforms under Highly Variable Workloads
TL;DR: This work proposes a new paradigm shift from power optimization based on linear models to control approaches based on fractal-state equations, and is the first to propose a controller for fractal workloads with precise constraints on state and control variables and specific time bounds.
Journal ArticleDOI
Mathematical formalisms for performance evaluation of networks-on-chip
TL;DR: Four popular mathematical formalisms—queueing theory, network calculus, schedulability analysis, and dataflow analysis—and how they have been applied to the analysis of on-chip communication performance in Systems-on-Chip are reviewed.
Proceedings ArticleDOI
PROBE: Prediction-based optical bandwidth scaling for energy-efficient NoCs
Li Zhou,Avinash Kodi +1 more
TL;DR: The performance on synthetic and real traffic (PARSEC, Splash2) for 64-cores indicate that the proposed bandwidth scaling technique can reduce optical power by about 60% with at most 11% throughput penalty.
References
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Journal ArticleDOI
An analytical model for Network-on-Chip with finite input buffer
Jian Wang,Yubai Li,Chang Wu +2 more
TL;DR: It is shown that the proposed model successfully captures the performance characteristics of NoC, which provides an efficient performance analysis tool for NoC design.