رکورد قبلیرکورد بعدی

" Global Congestion and Fault Aware Wireless Interconnection Framework for Multicore Systems "


Document Type : Latin Dissertation
Language of Document : English
Record Number : 1104449
Doc. No : TLpq2234230624
Main Entry : Ganguly, Amlan
: Shahriat, Sajeed Mohammad
Title & Author : Global Congestion and Fault Aware Wireless Interconnection Framework for Multicore Systems\ Shahriat, Sajeed MohammadGanguly, Amlan
College : Rochester Institute of Technology
Date : 2019
student score : 2019
Degree : M.S.
Page No : 76
Abstract : Multicore processors are getting more common in the implementation of all type of computing demands, starting from personal computers to the large server farms for high computational demanding applications. The network-on-chip provides a better alternative to the traditional bus based communication infrastructure for this multicore system. Conventional wire-based NoC interconnect faces constraints due to their long multi-hop latency and high power consumption. Furthermore high traffic generating applications sometimes creates congestion in such system further degrading the systems performance. In this thesis work, a novel two-state congestion aware wireless interconnection framework for network chip is presented. This WiNoC system was designed to able to dynamically redirect traffic to avoid congestion based on network condition information shared among all the core tiles in the system. Hence a novel routing scheme and a two-state MAC protocol is proposed based on a proposed two layer hybrid mesh-based NoC architecture. The underlying mesh network is connected via wired-based interconnect and on top of that a shared wireless interconnect framework is added for single-hop communication. The routing scheme is non-deterministic in nature and utilizes the principles from existing dynamic routing algorithms. The MAC protocol for the wireless interface works in two modes. The first is data mode where a token-based protocol is utilized to transfer core data. And the second mode is the control mode where a broadcast-based communication protocol is used to share the network congestion information. The work details the switching methodology between these two modes and also explain, how the routing scheme utilizes the congestion information (gathered during the control mode) to route data packets during normal operation mode. The proposed work was modeled in a cycle accurate network simulator and its performance were evaluated against traditional NoC and WiNoC designs.
Subject : Computer Engineering
: Electrical engineering
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