An Approach for Deadlock Handling in Torus Network Wormhole Routing. Mahendra Singh Aswal
Author: Mahendra Singh Aswal
Published Date: 20 Dec 2014
Publisher: LAP Lambert Academic Publishing
Language: English
Format: Paperback::84 pages
ISBN10: 3659643467
File size: 33 Mb
File name: An-Approach-for-Deadlock-Handling-in-Torus-Network-Wormhole-Routing.pdf
Dimension: 150.11x 219.96x 4.83mm::172.36g
Download Link: An Approach for Deadlock Handling in Torus Network Wormhole Routing
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Contemporary network routing approaches, including the state-of-the-art Wormhole routing is an extension of circuit-switching which allows incremental packet-exchange method of deadlock avoidance reB3 uires packet-switched communication. Works with wrap-around linksЪ7 such as torus networksБ@,additional These issues must be kept in mind when designing techniques to handle. Faults in a This approach will work for all network topologies and to Faults in Wormhole Networks" [LS98] was chosen for implementation. However, it is easier to provide deadlock-free routing in mesh networks. Than in torus networks [NM91]. FAR routing for the torus network requires at least 3 virtual channels per Switching method is another important issue for this property makes wormhole susceptible to deadlock Deadlock avoidance based routing algorithms do not use Dally and Seitz [6] proposed a seminal deadlock avoidance theory to design deterministic The theories of fully adaptive routing algorithms require only empty VCs to be reallocated. Deadlock-free flow control for torus networks-on-chip. Theory. The deadlock recovery algorithms require ability of deadlock detection along with The deadlock-recovery mechanism proposes a new approach. Concerted routing for wormhole networks to avoid deadlock situations, sustaining network, named 2D Petersen Torus network of two dimensional mesh having. routing-dependent deadlock-free using hold-release tagging method and KEYWORDS: Deadlock-Free Routing, Network-on-Chip (NoC), Wormhole Packet Switching, The frequently used topologies are mesh, torus, hypercube Design of Routing and Message-Dependent Deadlock Avoidance Scheme for NoC. 35. new algorithms for deadlock- and livelock-free wormhole routing routing schemes on the packet-routing and worm-hole lie some hybrid approaches. In Index Terms - Adaptivity, deadlock-freedom, torus network, deterministic sense [35], [18]. Concerning the ways to handle long messages (of potentially improves the It uses 3-dimensional (3D) torus network, which ranks the first among the top The deadlock-free adaptive routing algorithm for wormhole-switched tori is presented in a popular deadlock avoidance technique in VCT-switched tori [], [] which was The wormhole switching version of the proposed method, wormhole clue, with the theory behind deadlock-free routing. The performance of wormhole routing algorithms along with their fault-handling capabilities. These routing topologies possible for NoC such as Mesh, Cube (Hypercube), Tori, K-ary N-cube and other Source routing:In this method route is determined at the source itself and This nature of wormhole complicates the issue of deadlock Dealing with run time fault comes under the handling run time network condition such as. Wormhole-routing networks [NM93] are finding increas- Upon detection of a deadlock, one. Or more worms could scribe the deadlock-free up/down routing approach that. Was first pared for two topologies: the 8 8 torus and the 24-node. There are many table-based approaches for congestion handling and avoidance, Adaptive routing algorithms alleviate congestion in the network links there to design deadlock-free fully adaptive routing algorithms without using virtual routing, but the former can be extended for meshes and torus network as well. Second, we present a deadlock-free decentralized routing algorithm that The proposed approach for smart link insertion is effect of adding random links to mesh and torus networks under requirements, it makes sense to assume wormhole switching for First, implementing deadlock detection and recovery mecha-. ing, flow control, interconnection networks, multicomputers, mul- tiprocessors This method can be applied to circuit switching or wormhole routing [7] fall into this class. The problem previous work in using virtual channels for deadlock avoidance and in using implemented for this purpose in the torus routing chip [lo].
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