[rens@riemann]$ export OMP_NUM_THREADS=1; time ./test_assem3D visual/31_misc2.msh 
meshfile: visual/31_misc2.msh 

"iterations";  "|res|"; "Nodes"; "time_level"; "time_total"
  1 ; 2.62e-10 ;       7334 ; 7.848e-01 ; 7.909e-01
  3 ; 9.09e+00 ;      50036 ; 4.036e-01 ; 2.482e+00
  3 ; 7.22e+00 ;     366870 ; 3.105e+00 ; 1.081e+01
  2 ; 6.29e+01 ;    2803666 ; 2.212e+01 ; 5.640e+01
  3 ; 3.05e+01 ;   21909034 ; 1.750e+02 ; 3.493e+02
