Advanced Computer Architecture and Parallel Processing by Hesham El-Rewini, Mostafa Abd-El-Barr

By Hesham El-Rewini, Mostafa Abd-El-Barr

Laptop structure offers with the actual configuration, logical constitution, codecs, protocols, and operational sequences for processing facts, controlling the configuration, and controlling the operations over a working laptop or computer. It additionally encompasses observe lengths, guide codes, and the interrelationships one of the major components of a working laptop or computer or crew of desktops. This two-volume set deals a finished insurance of the sector of machine association and structure.

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Extra info for Advanced Computer Architecture and Parallel Processing (Wiley Series on Parallel and Distributed Computing) (v. 2)

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The elements of array c are now distributed among processors, and each processor has an element. The next program segment cannot be executed in parallel. This block will require that the elements of array c be communicated to one processor and are added up there. The last program segment can be done in parallel. Each processor can update its elements of a and b. This illustrative example shows that a realistic computational model should assume the existence of (serial) parts in the given task (program) that cannot be divided.

Notice also that the degree of a node in CCN is N 2 1, that is, O(N), while the diameter is O(1). Linear Array Networks In this network architecture, each node is connected to its two immediate neighboring nodes. Each of the two nodes at the extreme ends of the network is connected only to its single immediate neighbor. The network cost (complexity) measured in terms of the number of nodes of the linear array is O(N). The delay (latency) complexity measured in terms of the average number of nodes that must be traversed to reach from a source node to a destination node is N/2, that is, O(N).

10. Discuss in some details the fault-tolerance features of dynamic INs such as multiple-bus, MINs, and crossbar. In particular, discuss the effect of failure of nodes and/or links on the ability of routing in each network. Repeat the same for static networks such as hypercubes, meshes, and tree networks. 11. Determine the condition under which a binary tree of height h has a larger diameter and larger number of links than each of the followings: (a) an pffiffiffiffi n-dimensional hypercube, (b) an r  r 2D mesh with r ¼ N , and (c) a k-ary n-cube.

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