A network on chip architecture with reconfigurable topology pdf

Routing and topology reconfiguration for networksonchips. In networksonchip noc architecture, routers are the main sources of power consumption. Comparative analysis of different topologies based on network. Applying different types of redundancy on chip increases reliability. In this context, methods that can lead to versatility. In this topology router in each level consists of same.

Networkonchip noc has emerged as a very promising paradigm for designing scalable communication architecture for systems on chips socs. Recsim a simulator for reconfigurable network on chip topologies october 2012 conference. A network on chip architecture for optimization of area and power with reconfigurable topology on cyclone ii specific device v. An energyefficient reconfigurable circuitswitched networkonchip. Multiapplication mapping onto a switchbased reconfigurable network on chip architecture. Topology reconfiguration for onchip networks with back. Download network on chip or read online books in pdf, epub, tuebl, and mobi format. The physical topology of a network refers to the configuration of. The noc architecture as viewed by the application is actually a logical topology built on the real physical topolog y 10. Tradeoffs in the configuration of a network on chip for multiple. Integrated modelling and generation of a reconfigurable.

Pdf a network on chip architecture and design methodology. Pdf reconfigurable network on chip architecture for aerospace. When designing a networkonchip noc architecture, designers must consider various criteria such as bandwidth, performance, energy consumption, cost, reusability, and fault tolerance. Pdf reconfigurable multiprocessor networkonchip on. Keywords noc, afdx, hardware design, embedded systems, fpga based prototyping. Calazans, and moraes from brazil describes how a reconfigurable noc architecture is designed and two proofofconcept examples illustrate the proposed architecture. Design, development, and simulationexperimental validation of a crossbar interconnection network for a singlechip shared memory multiprocessor architecture masters project report june, 2002 venugopal duvvuri department of electrical and computer engineering university of kentucky under the guidance of dr. Devaraju 2 1me, vlsi design, rmk engineering college chennai, india 2professor, ece department rmk engineering college chennai, india.

Noc architecture is a switch centric architecture, with exclusive shortcuts between hosts and utilizes the flexibility, the reliability and the performances offered by afdx. Indian journal of science and technology, vol 812, doi. A reconfigurable networkonchip architecture for optimal multi. In this paper, we introduce a reconfigurable optical interconnect in which the topology is adapted. A highperformance and lowpower on chip network with reconfigurable topology. Scalable hierarchical networkonchip architecture for spiking neural network hardware implementations. Network on chip noc is a scalable interconnection structure that can provide efficient solutions for onchip interconnection problems of manycore socs such as reconfigurability for application specific applications.

Introduction advances in technology scaling over the past decade have. Network on chip noc has emerged as a very promising paradigm for designing scalable communication architecture for systems on chips socs. Pdf a fault tolerant network on chip ftnoc system with reconfigurable architecture for. Adopting just any offchip net feature to nocmay be a mistake you can create an elegant regular topology but asicsare often irregular you can create a nonblocking network but hot spots can block networks of infinite capacity you can guarantee service its easy to verify. Applicationbased dynamic reconfiguration in optical. Integrated modeling and generation of a reconfigurable. Although a complex soc can be viewed as a micronetwork of multiple standalone blocks, models and techniques from networking. Dedicated infrastructure for data transport decoupling of functionality from communication a plug. The design of a networkonchip architecture based on an. General terms note networkonchip, backtracking, multisoc based systems keywords applicationspecific systemsonchip socs, multi. The dynamically reconfigurable on chip network using packet switching is explained briefly method in section 3.

However, nocs designed to fulfill the bandwidth requirements between the cores of an soc for a certain set of running applications may be highly suboptimal for another set of applications. Onchip networks, second edition synthesis lectures on. General terms note network on chip, backtracking, multisoc based systems keywords applicationspecific systems on chip socs, multiapplicationbased design, networks on chip noc, back. Network on chip noc is a subset of soc which accomplishes on chip communication process. The renoc reconfigurable networkonchip architecture. Applying different types of redundancy on chip increases reliability, efficiency and effectiveness of the noc and, at large, the. A networkonchip architecture with reconfigurable topology. This work is designed to be a short synthesis of the most critical concepts in on chip network design. A reconfigurable siliconphotonic network with improved. Pdf we propose a packet switched platform for single chip systems which scales well to.

When designing a network on chip noc architecture, designers must consider various criteria such as bandwidth, performance, energy consumption, cost, reusability, and fault tolerance. Network topologies describe the ways in which the elements of a network are mapped. The architecture thus enables a generalized systemon chip soc platform in which the topology can be customized for the application that is currently running on the chip, including long links and direct links between ipblocks. It proposes a networkonchip in a hierarchical star topology to enable agents transactions through message broadcasting using the open core protocol as an interface between hardware modules. The modules on the ic are typically semiconductor ip cores schematizing various functions of the computer system, and are designed to be modular in. A network on chip architecture with reconfigurable topology mikkel b. A networkon chip architecture for optimization of area and power with reconfigurable topology on cyclone ii specific device v. Architecture of a dynamically reconfigurable noc for adaptive reconfigurable mpsoc. Apr 25, 2019 network on chip noc is a scalable interconnection structure that can provide efficient solutions for on chip interconnection problems of manycore socs such as reconfigurability for application specific applications. Architecture, configuration algorithms, and evaluation, acm transactions on embedded computing systems tecs on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. The networkonchip noc design paradigm is seen as a way of enabling the integration of an exceedingly high number of computational and storage blocks in a single chip. As a result, the network on chip noc architecture, which provides packetbased routing, is emerging as a solution which can provide a scalable communication platform. Most of the existing reconfigurable nocs improve performance of soc in exchange of larger chip area and higher power. In this work we assume a fixed network topology and employ.

The architecture thus enables a generalized system. The design of a networkonchip architecture based on an avionic protocol ahmed ben achballah insat ept lsa, university of carthage, tunisia. Proceedings of the 26th european simulation and modelling conference esm 2012. A highperformance and lowpower onchip network with. Onchip networks, second edition synthesis lectures on computer architecture.

Preface acknowledgments introduction interface with system architecture topology routing flow control. A survey of different topologies for networkonchip. Nocs followed by some common noc architecture proposals. A networkonchip noc architecture that enables the network topology to be reconfigured. Then, a bidirectional networkonchip binoc architecture will be given in section 4. Recsim a simulator for reconfigurable network on chip. Network on chip router architecture performance analysis by using vhdl. However, using optical links as mere dropin replacements for the connections of electronic packetswitched networks is not the end. Design, development, and simulationexperimental validation. Topology reconfiguration for onchip networks with backtracking.

Integrated modelling and generation of a reconfigurable networkonchip 219 the traditional method of interconnecting onchip components is typically via a share medium, such as the ibm coreconnect bus architecture, the arm amba bus architecture, high performance, and other advanced peripheral bus systems ryu et al. Our environment, called gezel, captures the architecture of the network at high abstraction level and enables cosimulation with instructionset simulators. In this topology, the router in each level consist of same number of parent port. This book targets engineers and researchers familiar with basic computer architecture concepts who are interested in learning about on chip networks. The architecture thus enables a generalized systemonchip soc platform in which the topology can be customized for the application that is currently running on the chip, including long links and direct links between ipblocks. A reconfigurable networkonchip architecture for optimal.

In networks on chip noc architecture, routers are the main sources of power consumption. This paper presents a networkonchip noc architecture that enables the network topology to be reconfigured. Current proposals for onchip photonic interconnects 4, 5, 3 show compelling power and performance. A networkon chip architecture for optimization of area and power with reconfigurable topology on fpgas v. The renoc architecture enables a logical network topology to be con. Network on chip router architecture performance analysis. A reconfigurable hybrid electrooptical networkonchip. The pe includes an alu datapath, which is capable of doing multiplyandaccumulate mac. Using this proposed switch, we have simulated a 20core star topology network.

Network topology defines the placement and interconnection. Reconfigurable multiprocessor networkonchip on fpga akash kumar1, ido ovadia1, jos huisken2, henk corporaal1, jef van meerbergen1,3 and yajun ha4 1 technical university of eindhoven, 2silicon hive, 3 philips research, 4national university of singapore. The network description can be readily translated into vhdl for synthesis. This article presents a reconfigurable networkonchip architecture called renoc. Network on chip download ebook pdf, epub, tuebl, mobi. It is a resource for both understanding onchip network basics and for providing an overview of state oftheart research in onchip networks. It also discusses the design of reconfigurable routers and network interfaces. A highperformance and lowpower onchip network with reconfigurable topology by modarressi and sarbaziazad from iran proposes. We propose a new optical reconfigurable networkonchip noc, named refat onoc reconfigurable flat and tree optical noc. A reconfigurable siliconphotonic network with improved channel sharing for multicore architectures 63. A reconfigurable hybrid electrooptical networkonchip architecture yafei zhang, ning wu, gaizhen yan.

In this chapter, we present a reconfigurable architecture for networkonchips noc on which arbitrary applicationspecific topologies can be implemented. Reconfigurable noc architecture in the reconfigurable noc architecture, the application running on the soc determines the noc configuration. This architecture implements the topology similar to butterfly fat tree topology with some changes. Application specific reconfigurable soc interconnection. Networks on chips systems on chips topology reconfiguration express.

Efficient onchip network architectures for multicore vlsi. A highperformance and lowpower onchip network with reconfigurable topology. Algorithm for the choice of topology in reconfigurable onchip networks with real time support. Applicationbased dynamic reconfiguration in optical network. A networkon chip architecture for optimization of area and. A networkonchip architecture with reconfigurable topology mikkel b. This research work has focused on a new low power reconfigurable noc architecture with repeaters between the routers. The network on chip noc design paradigm is seen as a way of enabling the integration of an exceedingly high number of computational and storage blocks in a single chip. In most of the design efforts, it is very difficult to meet all these interacting constraints and objectives at the same time. Hence to reduce the power consumption, the application should be mapped on a custom topology rather than on regular topologies, as custom topology uses fewer routers than regular topologies.

In this chapter, we present a reconfigurable architecture for network on chips noc on which arbitrary applicationspecific topologies can be implemented. However, when will talk later about strategies, we. Current architectures focus on large messages, however, which are not compatible with the coherence traffic found on chip multiprocessor networks. As an improved topology is selected complexities decrease and powerefficiency increases.

Network on chip noc is a communication paradigm for on chip communication. The performance of noc architecture is significantly affected by power and area. Photonic networksonchip have emerged as a viable solution for interconnecting multicore computer architectures in a powerefficient manner. Multiapplication mapping onto a switchbased reconfigurable networkonchip architecture.

Stensgaard and jens sparso technical university of denmark. Refat is a dynamically reconfigurable architecture, which customizes the topology and routing paths based on the application characteristics. Lowpower reconfigurable network architecture for onchip. Network on chip is the term used to describe an architecture that has maintained readily designable solutions in face of communicationcentric trends. Adopting just any offchip net feature to nocmay be a mistake you can create an elegant regular topology but asicsare often irregular you can create a nonblocking network but hot spots can block networks of infinite capacity you can guarantee service its easy to verify but extremely hard to configure.

A network on chip architecture for optimization of area and power with reconfigurable topology on fpgas v. Traditional noc architecture physical architecture topology n logical physical architecture static topology topology configuration figure 1. This article discusses the problem of interagent communications in field programmable gate arrays. Introduction to reconfigurable network on chip this part introduces reconfigurable network on chip from the design perspective, including a summary of all the issues and possible solutions. Ravikiran me, vlsi design, bangalore, india abstract.

Implementation of application specific networkonchip. Integrated modelling and generation of a reconfigurable network on chip 219 the traditional method of interconnecting on chip components is typically via a share medium, such as the ibm coreconnect bus architecture, the arm amba bus architecture, high performance, and other advanced peripheral bus systems ryu et al. Comparative analysis of different topologies based on. A network on chip architecture with reconfigurable topology this paper presents a network on chip noc architecture that enables the network topology to be reconfigured.

Refat, as an alloptical noc, routes optical packets based on their wavelengths. The network on chip noc architecture enables the network topology to be reconfigured. Data transfer modeling and optimization in reconfigurable multiaccelerator systems. Network on chip noc is a communication paradigm for onchip communication. A reconfigurable hybrid electrooptical network on chip architecture yafei zhang, ning wu, gaizhen yan. Scalability example for a reconfigurable sdr application having a larger number of pes using a. Networkonchip noc, photonic channel sharing, arbitration 1. Multiapplication mapping onto a switchbased reconfigurable. Network on chip noc is a subset of soc which accomplishes onchip communication process.

A fault tolerant network on chip ftnoc system with reconfigurable architecture for aerospace applications is proposed. A comparative study of different topologies for networkon. Pdf reconfigurable network on chip architecture for. Some of these parameters can be optimised and met easily by regular noc topologies. Finally the architecture is valuated for power and area. This paper presents a network on chip noc architecture that enables the network topology to be reconfigured. In this paper, the main research field in network on chip design focussing on optimized topology design is analyzed.

Peng zhang, in advanced industrial control technology, 2010 2 network on chip for multicore processors. General terms note network on chip, backtracking, multisoc based systems keywords applicationspecific systemson chip socs, multiapplicationbased design, networks on chip noc, back. A network on chip architecture with reconfigurable topology abstract. The architecture thus enables a generalized system on chip soc platform in which the topology can be customized for the application that is currently running on the chip, including long links and direct links between ipblocks. The topology of a network is the way in which routers, network adapters. A survey of different topologies for networkonchip architecture. We propose a new optical reconfigurable network on chip noc, named refat onoc reconfigurable flat and tree optical noc. They describe the physical and logical arrangement of the network nodes. A comparative study of different topologies for networkonchip architecture. Innovations for computational processing and communication. A networkon chip architecture for optimization of area.