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(5) Parallel Programming Issues
Parallel Programming Issues
Goal is to reduce execution time
computation time
idle time - waiting for data from other processors
communication time - time the processors take to send and receive messages
Load Balancing
divide the work equally among the available processors
Minimizing Communication
reduce the number of messages passed
reduce amount of data passed in messages
Where possible - overlap communication and computation
parallel_prog_issues.src last modified Apr 25, 2007
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