3 Grid Levels (time t = 4.0) 
   Results: 
|    |  Level 0  |  Level 1  |  Level 2  | 
|  Grids  |  23  |  27  |  427  | 
|  Cells  |  43392  |  320256  |  1395752  | 
Color, schlieren and contour plots of the density (click on pictures to display cuts!)
    |     |     | 
|  cuttig plane at z=2.0  |     |  cutting plane at z=1.2  | 
    |     |     | 
|  cutting plane at y=0.2  |     |  cutting plane at x=0.6  | 
Distribution to 4 processors (back left view)
Regions of low density (back left view, iso surface at density=0.92)
    
Blocks of the second refinement level (front right view)
    
  Benchmark 
|  Task  |  P=1  |  P=2  |  P=4  | 
|  s  |  %  |  s  |  %  |  s  |  %  | 
|  Integration  |  160927  |  39.6  |  40695  |  49.9  |  18583  |  45.5  | 
|  Flux correction  |  23030  |  5.7  |  1516  |  1.9  |  1361  |  3.3  | 
|  Boundary setting  |  68094  |  16.7  |  19092  |  23.4  |  12921  |  31.6  | 
|  Recomposition  |  118589  |  29.2  |  13540  |  16.6  |  5748  |  14.1  | 
|  Clustering  |  10790  |  2.7  |  2100  |  2.6  |  577  |  1.4  | 
|  Misc.  |  25113  |  6.2  |  4560  |  5.6  |  1653  |  4.1  | 
|  Total / parall. efficiency  |  406543  |  100.0  |  81503  |  249.4  |  40843  |  248.8  | 
This particular example benefits significantly from the use of multiple computing nodes, because the size of the calculation causes heavy swapping activity on a single node with 256Mb real memory. 
<--- Problem description       
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RalfDeiterding - 06 Dec 2004