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Forum: OpenFOAM Running, Solving & CFD

September 9, 2013, 03:47

Replies: 27

Parallel Performance of Large Case

Views: 8,026

Posted By haakon

In addition to TAU, you can also use IPM (...

In addition to TAU, you can also use IPM ( http://ipm-hpc.sourceforge.net/ ) to find out where time is spent in your solver. I find this very useful. You can either use a simple LD_PRELOAD to link...

Forum: OpenFOAM Running, Solving & CFD

September 5, 2013, 09:37

Replies: 27

Parallel Performance of Large Case

Views: 8,026

Posted By haakon

That is a really good question, which I cannot...

That is a really good question, which I cannot answer immediately.

Anyway, I now also see that you use a compressible solver. Then some of my considerations might not necessarily be correct, as I...

Forum: OpenFOAM Running, Solving & CFD

September 5, 2013, 09:12

Replies: 27

Parallel Performance of Large Case

Views: 8,026

Posted By haakon

I would, as an even more important factor than...

I would, as an even more important factor than the list of wyldckat, put the attention to the pressure solver. My experience is as follows:

The multigrid solvers (GAMG) are quick (in therms of...

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