Optimization Techniques for Parallel Applications on Clusters (Paperback)

Parallel computation on cluster architectures has become the most common solution for developing high-performance scientific applications. Message Passing Interface (MPI) is the message-passing library most widely used to provide communications in clusters. Along the I/O phase, the processes frequently access a common data set by issuing a large number of small non-contiguous I/O requests, which might create bottlenecks in the I/O subsystem. These bottlenecks are still higher in commodity clusters, where commercial networks are usually installed. Scalability is also an important issue in cluster systems when many processors are used, which may cause network saturation and still higher latencies. As communication-intensive parallel applications spend a significant amount of their total execution time exchanging data between processes, the former problems may lead to poor performance not only in the I/O subsystem, but also in communication phase. Therefore, we can conclude that it is necessary to develop techniques for improving the performance of both communication and I/O subsystems.

General

Imprint:	Lap Lambert Academic Publishing
Country of origin:	United States
Release date:	November 2010
First published:	November 2010
Authors:	Rosa Filgueira • David Exposito • Jesus Carretero
Dimensions:	229 x 152 x 9mm (L x W x T)
Format:	Paperback - Trade
Pages:	152
ISBN-13:	978-3-8433-7032-5
Categories:	Books > Computing & IT > General theory of computing > General
LSN:	3-8433-7032-X
Barcode:	9783843370325

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