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Search: Posts Made By: LESlie
Forum: OpenFOAM Running, Solving & CFD September 6, 2013, 11:15
Replies: 27
Views: 8,004
Posted By LESlie
Thanks Dan for proposing. In fact the 8M case was...

Thanks Dan for proposing. In fact the 8M case was with a reasonable scaling behavior, the problem is with 64M. You think TAU can handle such big case?

I was hoping to use extrae + paraver to get...
Forum: OpenFOAM Running, Solving & CFD September 5, 2013, 09:28
Replies: 27
Views: 8,004
Posted By LESlie
Hi Håkon, Indeed I am using the GAMG for...

Hi Håkon,

Indeed I am using the GAMG for pressure. But why this bad scaling behavior did not occur for a 8 million cell mesh with exactly the same set up? (see the attachment)

Cheers,
Leslie
Forum: OpenFOAM Running, Solving & CFD September 4, 2013, 08:15
Replies: 27
Views: 8,004
Posted By LESlie
Thanks a lot Bruno, these things will keep me...

Thanks a lot Bruno, these things will keep me busy for a while. :) I will get back to the forum when I have the solution.
Forum: OpenFOAM Running, Solving & CFD September 3, 2013, 04:22
Replies: 27
Views: 8,004
Posted By LESlie
Hi Lieven, Thanks for the tips. Actually the...

Hi Lieven, Thanks for the tips.

Actually the 50k cells/processor was verified on this cluster by a coarser mesh of 8 millions (exactly the same set-up) where 128 processors have proven to be the...
Forum: OpenFOAM Running, Solving & CFD September 2, 2013, 10:57
Replies: 27
Views: 8,004
Posted By LESlie
Parallel Performance of Large Case

Dear Foamers,

After searching for a while on the forum about the performance of parallelization I decided to open this new thread to be able to specify better my problem.

I am doing a speed-up...
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