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Forum: Multithreading
Re: None best way to speed up simulations (Svetlana Shasharina)
Date: 02 Oct, 2017
From: Andrea Dotti <Andrea Dotti>

Hello, the two approaches are different. In particular MT is the way to go if you want to reduce memory usage. MPI will not give you any benefit in this respect.

However if you do not have memory usage concerns MPI can be easier to implement since in your code you do not have to worry about thread-safety issues.

The best is to use both: MT to scale on the node, and MPI to scale across nodes.

Regards, Andrea

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