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Extending OpenMP to Clusters

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processors

Overview OpenMP is a well-known parallel programming paradigm for shared-memory multiprocessors. In the past, OpenMP has been confined to Symmetric Multi-Processing (SMP) machines and teamed with Message Passing Interface (MPI) technology to make use of multiple SMP systems. A new system, Cluster OpenMP, is an implementation of OpenMP that can make use of multiple SMP machines without resorting to MPI. This advance has the advantage of eliminating the need to write explicit messaging code, as well as not mixing programming paradigms. The shared memory in Cluster OpenMP is maintained across all machines through a distributed shared-memory subsystem. Cluster OpenMP is based on the relaxed memory consistency of OpenMP, allowing shared variables to be made consistent only when absolutely necessary.

Further White Paper Details
Publisher	Intel	File Format	PDF
Date Published	May 2006
Format	White Papers
Topics	Processors, Parallel Processing, Software Engineering

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