Basic HTML version of Foils prepared August 29 98

Foil 4 Why Parallel Computing?

From Designing and Building Parallel Programs I: Introduction DoD Modernization Tutorial -- 1995-1998. by Ian Foster, Gina Goff, Ehtesham Hayder, Chuck Koelbel
Continuing demands for higher performance
Physical limits on single processor performance
High costs of internal concurrency
Result is rise of multiprocessor architectures
  • And number of processors will continue to increase
Networking is another contributing factor
Future software must be concurrent & scalable

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