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Forum: CFX January 9, 2013, 10:49
Replies: 38
Views: 10,378
Posted By evcelica
No Problem, Just to be clear, I have two i7's...

No Problem,
Just to be clear, I have two i7's machines, not dual socket XEONs. But I'd be happy do do some benchmarking with the i7's, just send me the cfx file and tell me how you would like it...
Forum: CFX October 31, 2012, 10:57
Replies: 38
Views: 10,378
Posted By evcelica
EDIT: After running it a few more times I...

EDIT:
After running it a few more times I realized during my single node simulation I accidentally had the CPU downclocked to 3.8GHz instead of 4.4. So the 15.6% Overclock gave me the extra 11%...
Forum: CFX October 27, 2012, 09:31
Replies: 38
Views: 10,378
Posted By evcelica
I'm distributing it via the specifying the nodes...

I'm distributing it via the specifying the nodes in the cfx config file.
I'm using windows 7 x64 ultimate.

I'm going to run the simulation again on each node separately, and make sure they are...
Forum: CFX October 27, 2012, 05:43
Replies: 38
Views: 10,378
Posted By evcelica
Thanks for sharing your benchmarking data. ...

Thanks for sharing your benchmarking data.

I just found it odd since its better than 2x faster; I was thinking "perfect" scaling would be 100% faster only, not 122%. Looking through some of...
Forum: CFX October 26, 2012, 19:54
Replies: 38
Views: 10,378
Posted By evcelica
I posted this on the Hardware forum but I thought...

I posted this on the Hardware forum but I thought I would share here too:

Just thought I'd share the somewhat unexpected results of my 2 node "cluster". I'm using two identical 6-core i7-3930K...
Forum: CFX October 9, 2012, 07:51
Replies: 38
Views: 10,378
Posted By evcelica
Dual socket would be better since each socket has...

Dual socket would be better since each socket has its own memory channels, so you would have 8 memory channels instead of "only" 4 with a single socket. Memory bandwidth seems to be our bottleneck...
Forum: CFX September 27, 2012, 13:29
Replies: 38
Views: 10,378
Posted By evcelica
Thanks for the info Len, It is much appreciated. ...

Thanks for the info Len, It is much appreciated.

I agree that the extra cores past 4 are somewhat worthless for CFX. Just for the record, I have a 3930K @ 4.4GHz and 2133MHz ram and during...
Forum: CFX September 10, 2012, 22:09
Replies: 38
Views: 10,378
Posted By evcelica
You are absolutely correct, but we are non-profit...

You are absolutely correct, but we are non-profit scientific research, so nobody cares about anything that makes logical sense. We have guys using on 10+ year old computers because "it ain't broke...
Forum: CFX September 8, 2012, 12:44
Replies: 38
Views: 10,378
Posted By evcelica
SO TRUE! I wish my workplace would realize this,...

SO TRUE! I wish my workplace would realize this, I run a $46K license on my $1,400 P.O.S. Dell!!! :rolleyes:
Forum: CFX September 7, 2012, 13:32
Replies: 38
Views: 10,378
Posted By evcelica
You could save a lot of money skipping the ECC,...

You could save a lot of money skipping the ECC, as CFX uses iterative solving the need for ECC is debatable.
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