Search Results

Showing results 1 to 9 of 9
Search took 0.00 seconds. Search: Posts Made By: msrinath80

Forum: OpenFOAM Running, Solving & CFD

December 29, 2007, 15:23

Replies: 18

Superlinear speedup in OpenFOAM 13

Views: 10,386

Posted By msrinath80

Thanks for the info David.

Thanks for the info David.

Forum: OpenFOAM Running, Solving & CFD

June 6, 2007, 18:30

Replies: 18

Superlinear speedup in OpenFOAM 13

Views: 10,386

Posted By msrinath80

And here are the tech specs:

And here are the tech specs:

http://www.sun.com/servers/x64/x4600/arch-wp.pdf

Forum: OpenFOAM Running, Solving & CFD

June 6, 2007, 18:11

Replies: 18

Superlinear speedup in OpenFOAM 13

Views: 10,386

Posted By msrinath80

I know that this is really lat

I know that this is really late information. But for those interested, the specs of the machine used in the above scale up tests are here[1].

[1] http://www.sun.com/servers/x64/x4600/index.xml

Forum: OpenFOAM Running, Solving & CFD

January 9, 2007, 18:36

Replies: 18

Superlinear speedup in OpenFOAM 13

Views: 10,386

Posted By msrinath80

Without getting into technical

Without getting into technicalities of CPU definition, we can conclude from the first graph: It is either the memory bandwidth limitation that degrades the speedup when using both cores OR the fact...

Forum: OpenFOAM Running, Solving & CFD

January 9, 2007, 18:24

Replies: 18

Superlinear speedup in OpenFOAM 13

Views: 10,386

Posted By msrinath80

That second curve does not sou

That second curve does not sound right. Someone correct me?

Forum: OpenFOAM Running, Solving & CFD

January 9, 2007, 18:21

Replies: 18

Superlinear speedup in OpenFOAM 13

Views: 10,386

Posted By msrinath80

Corrections in place: Based

Corrections in place:

Based on cores:
http://www.ualberta.ca/~madhavan/openfoam_speedup.eps

Based on CPUs:
http://www.ualberta.ca/~madhavan/openfoam_speedup_CPUs.eps

The 'Based on...

Forum: OpenFOAM Running, Solving & CFD

January 9, 2007, 17:37

Replies: 18

Superlinear speedup in OpenFOAM 13

Views: 10,386

Posted By msrinath80

My apologies: The X-Axis shoul

My apologies: The X-Axis should read: Number of cores NOT number of CPUs. It basically boils down to how one defines a CPU. In a strictly practical sense, each core is a central processing unit....

Forum: OpenFOAM Running, Solving & CFD

January 9, 2007, 10:44

Replies: 18

Superlinear speedup in OpenFOAM 13

Views: 10,386

Posted By msrinath80

Firstly thank you for all your

Firstly thank you for all your comments. Indeed the results are true. I have not performed repeatability tests yet, but I am fairly confident I will be able to reproduce the results. In either case I...

Forum: OpenFOAM Running, Solving & CFD

January 8, 2007, 21:41

Replies: 18

Superlinear speedup in OpenFOAM 13

Views: 10,386

Posted By msrinath80

Hi OpenFOAMers, I just fini

Hi OpenFOAMers,

I just finished testing OpenFOAM speedup on an 8-CPU (16-core) Opteron machine loaded with 60 GB RAM. The results are pretty impressive given that the latency in an SMP-like...

Showing results 1 to 9 of 9

Forum Jump

All times are GMT -4. The time now is 18:50.