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Analytical performance comparison of deterministic, partially- And fully-adaptive routing algorithms in binary n-cubes
, Article 12th International Conference on Parallel and Distributed Systems, ICPADS 2006, Minneapolis, MN, 12 July 2006 through 15 July 2006 ; Volume 2 , 2006 , Pages 21-28 ; 15219097 (ISSN); 0769526128 (ISBN); 9780769526126 (ISBN) ; Sarbazi Azad, H ; Sharif University of Technology
2006
Abstract
In this paper, we study the effect of adaptivity of routing algorithm on the overall performance in a hypercube multicomputer using wormhole switching. To this end, we use three accurate analytical models proposed for deterministic, fully-adaptive, and partially-adaptive routing algorithms in hypercube. Surprisingly, our analysis shows that under uniform traffic load, the partially-adaptive routing exhibits a lower performance compared to the deterministic routing with less adaptivity. ©2006 IEEE
Energy Efficient Concurrent Test of Switches and Links for Networks-On-Chip
, M.Sc. Thesis Sharif University of Technology ; Hessabi, Shahin (Supervisor)
Abstract
Nowadays by increasing the number of processing cores in system-on-chip, using networks-on-chip, as an optimized interconnection foundation for transferring data between processing cores is inevitable .Based on this, the necessity of designing and implementing an optimized structure for testing network-on-chip, considering various overheads such as power consumption, latency, bandwidth and area, becomes an important issue in designing network-on-chip. The purpose of this project is to design an optimized structure for testing routers and connecting links in network, which considers power consumption overhead, latency and area overhead on one hand, and fault coverage on the other hand....
Optimal network configuration considering network losses and service reliability
, Article IEEE Proceedings 2017 Smart Grid Conference, SGC 2017 ; Volume 2018-January , 2018 , Pages 1-6 ; 9781538642795 (ISBN) ; Izadi, M ; Safdarian, A ; Sharif University of Technology
Institute of Electrical and Electronics Engineers Inc
2018
Abstract
Distribution networks are designed in loop structure, while they are operated as radial networks. In this regard, the location of normally open (NO) switches is usually determined by either minimizing real power losses or maximizing the reliability level. However, considering both losses and reliability in the decision making procedure may lead to a better solution. To do so, this paper proposes a mathematical model to find the optimal configuration of NO switches such that losses and reliability are optimized. The multi-objective model is scrutinized via weighted sum approach to achieve a single-objective model. The model is formulated in mixed integer quadratically constrained programming...
Performance and power efficient on-chip communication using adaptive virtual point-to-point connections
, Article 2009 3rd ACM/IEEE International Symposium on Networks-on-Chip, NoCS 2009, San Diego, CA, 10 May 2009 through 13 May 2009 ; 2009 , Pages 203-212 ; 9781424441433 (ISBN) ; Sarbazi Azad, H ; Tavakkol, A ; IEEE Circuits and Systems Society; Council for EDA; ACM Special Interest Group on Computer Architecture (SIGARCH); ACM Special Interest Group on Embedded Systems (SIGBED); ACM Special Interest Group on Design Automation (SIGDA); Silistix, Inc ; Sharif University of Technology
2009
Abstract
In this paper, we propose a packet-switched network-on-chip (NoC) architecture which can provide a number of low-power, low-latency virtual point-to-point connections for communication flows. The work aims to improve the power and performance metrics of packet-switched NoC architectures and benefits from the power and resource utilization advantages of NoCs and superior communication performance of point-to-point dedicated links. The virtual point-to-point connections are set up by bypassing the entire router pipeline stages of the intermediate nodes. This work addresses constructing the virtual point-to-point connections at run-time using a light-weight setup network. It involves monitoring...