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Search took 0.00 seconds. Search: Posts Made By: gschaider
Forum: OpenFOAM March 31, 2006, 06:30
Replies: 36
Views: 5,240
Posted By gschaider
I redid the benchmark suite (h

I redid the benchmark suite (http://openfoamwiki.net/index.php/Benchmarks_stan dard_v1 (http://openfoamwiki.net/index.php/Benchmarks_standard_v1)) with version 1.3 on three machines. For the Intel...
Forum: OpenFOAM February 7, 2006, 12:18
Replies: 36
Views: 5,240
Posted By gschaider
Hi Håkan! @the benchmarks:

Hi Håkan!

@the benchmarks: Our Xeon-SMP machines scaled shitty compared with the Opteron-machine, but that shitty? One wild guess would be Hyperthreading. Is it enabled? If yes: get rid of it...
Forum: OpenFOAM February 7, 2006, 09:30
Replies: 36
Views: 5,240
Posted By gschaider
About root: A very good questi

About root: A very good question. Never thought of that because in my small world I have the root-PW.

The easy way to install the script is being root. Then the stuff gets installed to a place...
Forum: OpenFOAM February 7, 2006, 07:48
Replies: 36
Views: 5,240
Posted By gschaider
Håkan, your question might be

Håkan, your question might be answered by the Posting "New Releases" which was released on "Anouncments" 5 minutes after your posting.

Quote: "- rewriting the AMG solver has improved performance...
Forum: OpenFOAM February 6, 2006, 12:38
Replies: 36
Views: 5,240
Posted By gschaider
Hi Håkan! Now I can tell yo

Hi Håkan!

Now I can tell you about the hidden agenda I had with starting this thread: the things you're talking (GigaBit vs InfinBand) are exactly what interests me and the more hard data there...
Forum: OpenFOAM January 24, 2006, 11:34
Replies: 36
Views: 5,240
Posted By gschaider
Hello all! First concerning

Hello all!

First concerning Jens' (Duderino) problem: it seems that Ubuntu-Linux only installs the files that are necessary for a successfull setup.py with the development stuff for Python (try...
Forum: OpenFOAM January 23, 2006, 07:03
Replies: 36
Views: 5,240
Posted By gschaider
Hi Duderino! Which Linux-di

Hi Duderino!

Which Linux-distribution are you using (I assume it's Linux)? (Python2.4 is only included in the most recent distributions)

Anyway: your python2.4-installation seems to be...
Forum: OpenFOAM January 17, 2006, 10:56
Replies: 36
Views: 5,240
Posted By gschaider
@dnsFoam: I've marked it as no

@dnsFoam: I've marked it as non-parallel in the Benchmark-suite.

@dieselFoam: my script does that (remove ft and fu) and then the grid get's correctly decomposed. But as soon as dieselFoam runs...
Forum: OpenFOAM January 17, 2006, 10:21
Replies: 36
Views: 5,240
Posted By gschaider
Hello Mattijs! I didn't fin

Hello Mattijs!

I didn't find any problems with decomposePar. The only two cases in the suite that I didn't get to run are

- dieselFoam/aachenBomb: the same problem as the one described by...
Forum: OpenFOAM January 16, 2006, 17:49
Replies: 36
Views: 5,240
Posted By gschaider
I think what Eugene meant was:

I think what Eugene meant was: "if there are two CPUs on a board (in whatever form) as soon as you need a third CPU for your task you'll see that it would have been wiser to invest in good networking...
Forum: OpenFOAM January 16, 2006, 16:15
Replies: 36
Views: 5,240
Posted By gschaider
It's not a problem with decomp

It's not a problem with decomposePar per se: for instance in the dieselFoam/aachenBomb case there are two files (ft, fu) that don't have sufficient boundary conditions according to decomposePar:
...
Forum: OpenFOAM January 16, 2006, 11:31
Replies: 36
Views: 5,240
Posted By gschaider
We're in the process of buying

We're in the process of buying new hardware for a small cluster in the next months. Evaluating the hardware by looking at published results is a bit difficult because benchmarks tend to fall into...
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