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Forum: OpenFOAM Running, Solving & CFD September 20, 2012, 11:28
Replies: 42
Views: 13,106
Posted By chegdan
For this setup, though you set the preconditioner...

For this setup, though you set the preconditioner to DILU, it will actually be Diagonal preconditioned. You might get some more speedup is you use the Ainv preconditioned PBiCGStab with...
Forum: OpenFOAM Running, Solving & CFD August 13, 2012, 07:30
Replies: 42
Views: 13,106
Posted By chegdan
1) Areal offloads the pressure velocity coupling...

1) Areal offloads the pressure velocity coupling completely on the GPU, so there is not as much back and forth data transfer (this is how they are getting around the problem I suggested)

2) The...
Forum: OpenFOAM Running, Solving & CFD August 13, 2012, 06:39
Replies: 42
Views: 13,106
Posted By chegdan
You will see in my post I'd be...

You will see in my post



I'd be interested to see where they show phenomenal speed-up when a solution strategy using the GPU is dominated with data transfer rather than actually solving a...
Forum: OpenFOAM Running, Solving & CFD August 13, 2012, 05:02
Replies: 42
Views: 13,106
Posted By chegdan
Karl, I'm glad to help. Just to add a...

Karl,

I'm glad to help. Just to add a little to your last statement



From my experience (I may be repeating myself from an earlier post on this thread...but i haven't read it in a while),...
Forum: OpenFOAM Running, Solving & CFD August 12, 2012, 15:22
Replies: 42
Views: 13,106
Posted By chegdan
Looking at your error log....I can tell you...

Looking at your error log....I can tell you forgot your lduInterface.H that is discussed on the getting started page. Go there and follow those steps and you should be good.
Forum: OpenFOAM Running, Solving & CFD August 12, 2012, 14:29
Replies: 42
Views: 13,106
Posted By chegdan
Did you install cusp and try to compile a cusp...

Did you install cusp and try to compile a cusp example? Also, make sure you are using the extend version of open foam.
Forum: OpenFOAM Running, Solving & CFD April 16, 2012, 22:19
Replies: 42
Views: 13,106
Posted By chegdan
oh...this may be difficult if there are errors. ...

oh...this may be difficult if there are errors. to recompile OF-extends, just type


foam

and that will take you to the right OpenFOAM directory, and then type


./Allwmake
Forum: OpenFOAM Running, Solving & CFD April 16, 2012, 22:07
Replies: 42
Views: 13,106
Posted By chegdan
Yeah, make sure you are using extends version...

Yeah, make sure you are using extends version first of all. If you have compiled OF before, then this will be easy. You just need to take the lduInterface.H provided in the Cufflink folder (maybe...
Forum: OpenFOAM Running, Solving & CFD April 15, 2012, 12:41
Replies: 42
Views: 13,106
Posted By chegdan
Since I'm not selling anything or making money...

Since I'm not selling anything or making money from Cufflink (since its open source), I think I can make a few comments.

* Though we always compare everything against base case of the...
Forum: OpenFOAM Running, Solving & CFD April 14, 2012, 15:54
Replies: 42
Views: 13,106
Posted By chegdan
Very nice Kyle, I'm glad to see someone...

Very nice Kyle,

I'm glad to see someone using Cufflink, I've been reluctant to post anything since its still developing. I haven't been able to add more solvers or publicize Cufflink, since I'm...
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