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Note: You are allowed to experiment with different linear solvers in Neko (see the manual) to achieve the fastest runtime. However, all of them are not guaranteed to work for the given case or support all hardware backends in Neko. Furthermore, it is allowed to experiment with different configuration options when building Neko, e.g., enabling device-aware MPI. However, it is not allowed to use single precision, changing the time-step size or any other parameters related to the case.