Hello Wolfgang,
How are you doing today?

Well your question is not quite clear.
So what exactly do you want to know?

On Sun, Oct 1, 2023 at 3:40 PM Wolfgang Bangerth <bange...@colostate.edu>
wrote:

> On 9/30/23 02:01, timo Hyvärinen wrote:
> >
> > So my questions here are (i) Did this issue ever happened for other
> deal.II
> > applications, how to solve it expect increase the number of nodes or
> memory
> > requirements; (ii) What kind of profiling/debugger tools
> nowaday's deal.II
> > experts are using to dress memory issue. Should I build Valgrind by
> myself?
> > Does Valgrind only support MPI 2, my openMPI is v.3.
>
> Valgrind doesn't care.
>
> 6.5*10^5 unknowns with a quadratic element in 3d can probably be expected
> to
> take in the range of 2-5 GB. That should fit into most machines. But at
> the
> same time, this is a small enough problem that you can run it under
> valgrind's
> memory profilers on any workstation or laptop you have access to. You
> could
> also talk to the system administrators of the cluster you work on to see
> whether they are willing to give you a more up to date version of valgrind.
>
> Best
>   W.
>
> --
> ------------------------------------------------------------------------
> Wolfgang Bangerth          email:                 bange...@colostate.edu
>                             www: http://www.math.colostate.edu/~bangerth/
>
>
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