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How do you write pseudo-code for parallel programming? Especially, how do you differentiate local and shared variables? How do you represent operations like scatter, gather, reduce, broadcast, and point-to-point communications? Is there some standards about that?
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With parallel programming, a developer writes code with specialized software to make it easy for them to run their program across on multiple nodes or processors. A simple example of where parallel programming could be used to speed up processing is recoloring an image.
Pseudo code is pretty much just English. So, you can use whatever is clear and unambiguous. It's not a programming language, so you don't need to represent operations like "scatter" .. you can just say "scatter".
There are no standards for pseudo-code, but good pseudo-code is simple and easy to understand.
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I found at least one pseudolanguage for parallel programming: Peril-L. It is formal, but a little bit too low level for my taste.
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