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Most memory efficient solver?

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Dear Fellow-Fenics-Users,

Is there a significant difference between the memory requirements of different solvers, and which one is most efficient?

(one probably notes the beginner: I am ignoring all the other differences between the solvers in my question. If there is a good overview of different solves with some explanations what they are good for and what not, I would be delighted too :) )

Thank you and best wishes,
Merlin :)

asked Apr 4, 2017 by merlinaetzold FEniCS Novice (520 points)

Are you interested in direct or iterative solvers? If direct - I prefer MUMPS.

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