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(2) Parallel Computer Architectures
Parallel Computer Architectures
Two Basic Architectures
Distributed Memory (ex. Beowulf cluster)
collection of serial computers (nodes)
each nodes uses its own local memory
work together to solve a problem
communicate between nodes via messages
nodes are networked together
Shared Memory Computer
multiple processors
share a global memory space
processors can efficiently exchange/share data
Latest Parallel Computers mixed shared/distributed memory architecture
nodes have more than 1 processor
dual/quad core processors
parallel_arch.src last modified Apr 25, 2007
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