CSC/ECE 506 Spring 2012/12a mt: Difference between revisions
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=='''Introduction'''== | =='''Introduction'''== | ||
In a multiprocessor environment, the terms ''interconnection network'' usually refers to the links between multiple independent processors. There are several different network topologies (insert link) that are selected based upon the unique characteristics for which a system requires. For example, in a shared memory multiprocessor. | In a multiprocessor environment, the terms ''interconnection network'' usually refers to the links between multiple independent processors. There are several different network topologies (insert link) that are selected based upon the unique characteristics for which a system requires. For example, in a shared memory multiprocessor, messages generally are: short, frequent, and make it hard for processors to hide the message communication delay; therefore, shared memory multiprocessors prefer interconnection networks that have low latency and high bandwidth. While latency and bandwidth are two very important factors an interconnection network, there are plenty of other factors to consider: coherence protocol, memory consistency, communication protocols, etc. In order to better understand the unique aspects and characteristics that are considered for an interconnection network, we will discuss certain examples of interconnection topologies that were researched then abandoned, as well as recent developments in networks for large scale multiprocessor systems. | ||
=='''History'''== | =='''History'''== | ||
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=='''See Also'''== | =='''See Also'''== | ||
http://expertiza.csc.ncsu.edu/wiki/index.php/CSC/ECE_506_Spring_2011/ch12_aj | |||
=='''Pop Quiz'''== | =='''Pop Quiz'''== | ||
==='''''Answer Key'''''=== | ==='''''Answer Key'''''=== | ||
Revision as of 14:18, 16 April 2012
Interconnection Network Topologies
Introduction
In a multiprocessor environment, the terms interconnection network usually refers to the links between multiple independent processors. There are several different network topologies (insert link) that are selected based upon the unique characteristics for which a system requires. For example, in a shared memory multiprocessor, messages generally are: short, frequent, and make it hard for processors to hide the message communication delay; therefore, shared memory multiprocessors prefer interconnection networks that have low latency and high bandwidth. While latency and bandwidth are two very important factors an interconnection network, there are plenty of other factors to consider: coherence protocol, memory consistency, communication protocols, etc. In order to better understand the unique aspects and characteristics that are considered for an interconnection network, we will discuss certain examples of interconnection topologies that were researched then abandoned, as well as recent developments in networks for large scale multiprocessor systems.
History
Unpopular Topologies
Recent Studies
References
See Also
http://expertiza.csc.ncsu.edu/wiki/index.php/CSC/ECE_506_Spring_2011/ch12_aj