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Cluster Computing

Cluster Computing. By Chi-Chang Chen. Cluster Computing -- Definition. Cluster computing is a technique of linking two or more computers into a network (usually through a local area network) in order to take advantage of the parallel processing power of those computers

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Cluster Computing

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  1. Cluster Computing By Chi-Chang Chen

  2. Cluster Computing --Definition • Cluster computing is a technique of linking two or more computers into a network (usually through a local area network) in order to take advantage of the parallel processing power of those computers • A parallel program running on the Computer Cluster (Network of workstations and personal computers) • A type of parallel computing • Interconnect computers as a computing platform

  3. Computer Clusters • Beowulf Clusters(1993) • A project started at the NASA Goddard Space Flight Center in 1993 • Low-cost computers (Intel 486) using commodity interconnects (Ethernet) with free OS(Linux) The typical setup of a Beowulf cluster

  4. Advantages • Workstations and PCs are readily available at low cost • The latest processors can easily be incorporated into the system • Existing application software can be used or modified • Free parallel programming library – MPI (Message Passing Interface) or PVM (Parallel Virtual Machine)

  5. Advantages—cont. • Scalability • Perhaps the greatest advantage of computer clusters is the scalability they offer. • While mainframe computers have a fixed processing capacity, computer clusters can be easily expanded as requirements change by adding additional nodes to the network

  6. Supercomputers • Top 500 List of World’s Supercomputers http://www.top500.org • Supercomputers in Taiwan (June 2011) http://top500.org/stats/list/37/countries

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