[Dune] Performace of ISTL
patrick.leidenberger at psi.ch
Fri Apr 20 16:41:41 CEST 2007
>> That's right, I am sorry. I make a better comparison with the same mesh
>> like yesterday:
>> Trilinos with Jacobi and CG: 2 sec, 40 iteratrions residual: 1.05e-8
>> Dune with Jacobi and CG: 30 sec, 40 iteratrions residual: 1.05e-8
>> And I don't forget a '0' for trilinos!
> Did you compile Dune with optimization CXXFLAGS="-O3 -DNDEBUG" and
> without setting DUNE_ISTL_WITH_CHECKING?
The test above was done with -O2 and without setting
Now I recompile exactly like you want to have it, but the performance is
exactly the same! No speedup.
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