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Trying to boost PPD on SMP

post #1 of 49
Thread Starter 
Hey guys,

I currently have 2 machines in my office at work which fold 24x7. Being an IT guy and with extra machines just lying around and not being used, I figured I would put them to good use for a good cause.

Anyway, I am only folding on the CPU (SMP) with both machines for technical reasons and limitations. The one I am worried about is the Mac "cheese grader." I can't say which version it is, only to say that it is a couple years old, probably no more than 3 years. It is the version with the dual quad core cpus @ 2.8ghz with 8GB of RAM and the 8800GT Nvidia card.

The thing that I can't figure out is I am only getting about ~1800 ppd (reported with the Mac reporting tool). My windows machine in the office with a dual core 3ghz CPU reports 2777.3 ppd, however I think that number is false.

Can anyone explain why they are so different and how can I increase my ppd?

Thanks guys!
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post #2 of 49
Not sure of the difference, but you could throw Linux on those machines & that will help you see an increase in PPD.
post #3 of 49
Thread Starter 
I could, but would it work with Mac hardware? The Windows machine will need to be only Windows as I also use it, but I'm more concerned with the cheese grader Mac honestly. I know it could be doing better, but it isn't. Actually... I'm not sure I could. I am not a Mac guy and if I partition the boot drive, I don't want to mess up the Mac equivalent boot sector.
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post #4 of 49
Quote:
Originally Posted by NITRO1250 View Post
I could, but would it work with Mac hardware? The Windows machine will need to be only Windows as I also use it, but I'm more concerned with the cheese grader Mac honestly. I know it could be doing better, but it isn't. Actually... I'm not sure I could. I am not a Mac guy and if I partition the boot drive, I don't want to mess up the Mac equivalent boot sector.
Install linux on another drive? An 8-core machine should be getting at least 10k PPD.
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post #5 of 49
Thread Starter 
Quote:
Originally Posted by sks72 View Post
Install linux on another drive? An 8-core machine should be getting at least 10k PPD.
Holy cow! Which distro would work the best? Also, would a virtual OS of Linux do the same or would I need a physical install? Is there a Mac version of "wubi" or is that wishful thinking?
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post #6 of 49
1. I use Debian/Ubuntu but any distro would work.
2. A Linux VM would work, but native linux gives better PPD.
3. Not that I know of.
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post #7 of 49
You do realize if you GPU fold on the 9800 GT you'll get 5-6k ppd
post #8 of 49
Thread Starter 
Quote:
Originally Posted by CravinR1 View Post
You do realize if you GPU fold on the 8800 GT you'll get 5-6k ppd
I realize that, but unfortunately there isn't (to my knowledge) a way to fold on the GPU for the mac, unless that can be changed by installing Ubuntu. I know there is a guide for installing F@H on a Mac, but is it inclusive to also folding on the GPU? I am primarily interested to get the GPU kicking out more ppd, but if I can get the GPU kicked in as well, I'd be one happy folder! It is basically sitting in a corner in my office doing nothing.
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post #9 of 49
I think Linux would allow GPU folding, but if the mac isn't being used pull the 9800 GT and put it in the windows rig

A single windows rig runnng SMP + Gpu on a 9800 GT is going to net 2+ x more ppd than a windows smp + mac smp
post #10 of 49
Thread Starter 
Quote:
Originally Posted by CravinR1 View Post
I think Linux would allow GPU folding, but if the mac isn't being used pull the 9800 GT and put it in the windows rig

A single windows rig runnng SMP + Gpu on a 9800 GT is going to net 2+ x more ppd than a windows smp + mac smp
I can't swap the hardware unfortunately. I would prefer using a virtual machine on the mac to dual booting... which I think isn't possible, but I could be wrong.

Any reason why even with 8 cores I'm getting low ppd?
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