Network-on-chip (NoC) is evolving as a better substitute for incorporating a large number of cores on a single system-on-chip (SoC). The dependency on multi-core systems to accomplish the highperformance constraints of composite embedded applications is on the rise. This leads to the realization of efficient mapping approaches for such complex applications. The significance of efficient application mapping approaches has increased ever since the embedded applications have become more complex and performance-oriented. This paper presents the detailed comparative analysis and categorization of application mapping approaches with current trends in NoC design implementation. These approaches target to improve the performance of the whole system by optimizing communication cost, energy, power consumption, and latency. Apart from the categorization of the discussed approaches, comparison of communication cost, power, energy, and latency of the NoC system carried out on real applications like VOPD and MPEG4. Moreover, the best technique identified in each category based on the evaluation of performance results. INDEX TERMS Network-on-Chip, application mapping, NoC design, VOPD, System-on-Chip. I. INTRODUCTION System-on-Chip (SoC) is an archetype for the design and implementation of on-chip circuits that can support multiple systems on a single chip. The ever-rising number of processing cores on a single chip has made the efficiency of onchip designs as one of the major aspects in evaluating the average performance of embedded SoC. To fulfill the performance needs and to provide flexibility in the designs the field of Network on Chip (NoC) has emerged that separates the communication from the computation. Many surveys [1]-[7] are published in general and textbooks are also available on the topic [8]-[10]. There is still a need to solve more advanced research problems in NoC. Application mapping on NoC architecture has a prominent place among all the research problems which can be arbitrated from the published The associate editor coordinating the review of this manuscript and approving it for publication was Eyuphan Bulut. papers and current trends. This survey assumes a textbooklevel acquaintance of NoC terminology. The aim is to provide a comprehensive overview of all the aspects of application mapping (task graph generation, scheduling, optimization techniques, simulation setup, and performance evaluation metrics). The organization of this survey is as follows; first, we provide the reader the need and overview of application mapping in NoC presented in Section I. A detailed review and calcification of application mapping techniques in NoCs are discussed in Section II. The current and latest trends in application mapping are summarized in Section III. In Section IV performance comparison and the points that can create the difference between these techniques are highlighted. Finally, Section VI concludes this paper. A. MOTIVATION AND SCOPE Mostly synthetic traffic patterns are used to imitate the functionalities of rea...

Mapping application task graphs on intellectual property (IP) cores into network-on-chip (NoC) is a non-deterministic polynomial-time hard problem. The evolution of network performance mainly depends on an effective and efficient mapping technique and the optimization of performance and cost metrics. These metrics mainly include power, reliability, area, thermal distribution and delay. A state-of-the-art mapping technique for NoC is introduced with the name of sailfish optimization algorithm (SFOA). The proposed algorithm minimizes the power dissipation of NoC via an empirical base applying a shared k-nearest neighbor clustering approach, and it gives quicker mapping over six considered standard benchmarks. The experimental results indicate that the proposed techniques outperform other existing nature-inspired metaheuristic approaches, especially in large application task graphs.

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