Processes, Processors, and MPI, Oh My!
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Posted by Kenneth Farmer, Tuesday October 04 2005 @ 12:07PM EDT
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ClusterMonkey.net: In my previous columnm, I covered the basics and fundamentals: what MPI is, some a simple MPI example program, and how to compile and run the program. In this installment, let's dive into a common terminology misconception: processes vs. processors - they're not necessarily related!
In this context, a processor typically refers to a CPU. Typical cluster configurations utilize uniprocessors or small Symmetric Multi Processor (SMP) nodes (e.g., 2-4 CPUs each). Hence, "processor" has a physical - and finite - meaning. Dual core CPUs can be treated like SMP nodes.
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SpyderByte.com
SpyderByte.com
