3D Euler equations - Forward facing step

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.

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-- RalfDeiterding - 06 Dec 2004