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Finally had time to finish my quad core (X3210) folding rig - Page 2

post #11 of 21
Quote:
Originally Posted by TheFlyingWallaby View Post
A bit off topic, but I would expect it to be faster. My main folder (P4, a bit over 3GHz, 512MB RAM) runs at about 7 minutes/percent. Any idea why the P4 is faster?
I highly doubt you are running the same client he is. He is running SMP, 2 sessions on one rig. What client are you running? If it is the single core, then we are talking about a 300 point WU while his is running about 3000 points worth of WUs at once. It is about the equivilent of 8 or so of the cores you are running.
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post #12 of 21
SMP and Quad cores for the win! although i'm waiting on a new Mobo...
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post #13 of 21
Thread Starter 
Quote:
Originally Posted by TheFlyingWallaby View Post
A bit off topic, but I would expect it to be faster. My main folder (P4, a bit over 3GHz, 512MB RAM) runs at about 7 minutes/percent. Any idea why the P4 is faster?
Like Knitelife said, not all WUs are created equal. My Dothan system cruised through a WU at like 3 minutes per percent yesterday, but it was only a 250ish pointer. The SMPs are 1300-1800 point WUs that require multicore CPUs.

Switching over to the other set of commands yielded 17 and 19 minutes per percent, which equates out to a single SMP console at 9 minutes. Based on very limited data, the two ways of running the program appear to be about even in terms of progress at stock speed.
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post #14 of 21
I'd listen to knitelife...he is the one who broke 1m points today, and folds @ about 25000 ppd, i think he knows what hes talking about...do it his way and it'll somehow benefit you...i know it will...
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post #15 of 21
Taeric has been folding for about 10 times longer than I have. His results may be a fact based on the WUs he is running. Also considering that his rig is not OCed yet, certain bottleneck probably exist that will be removed once it is OCed. I have yet to doubt anything that he has said, and a lot of my folding success can be attributed to him and some others that spend a lot of time in this forum helping us out.

Certain WUs will be affected much more than others by forcing affinity to specific cores. WUs that are highly impacted by L2 cache specifically gain from this. Some of the other WUs, that depend more on overall mhz, dont seem to show the same gain, but more on par with running on different cores.

Also, I see that Taeric will be hittin the 1 million point shortly as well.
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post #16 of 21
Thread Starter 
Quote:
Originally Posted by H3||scr3am View Post
I'd listen to knitelife...he is the one who broke 1m points today, and folds @ about 25000 ppd, i think he knows what hes talking about...do it his way and it'll somehow benefit you...i know it will...
I certainly do pay attention when Knitelife suggests something. His points, while certainly numerous, aren't really what impresses me. Anyone can dump a bunch of money into a folding setup and crank out massive points. His extensive testing of different OSes, overclocking settings, etc. so that he can squeeze the most out of his investment is very noteworthy, especially since he freely shares that info here. That, more than the points, is what has earned the respect of the old time folding crew.

Also, I stated in each of my results posts that everything was based on a very limited amount of data. I only had 15-20% done on two specific WUs as of my last post, and that certainly makes my data of limited value at this time. I know that Knitelife's suggestions are based on a lot of testing, but I still enjoy fiddling with things myself.

Anyway, I did a modest OC to get it up to 2.4 GHz last night (300x8 from stock 266x8). I set that, checked stability as best I could with Win2k only showing 2 cores, got it folding, and left it for an hour and a half. I was very disappointed to note that each core ran at around 30 minutes/percent while I was gone, significantly slower than at stock. I verified that Linux recognized all four cores and was fairly well stumped. After a reboot, I opened two terminals and scrolled up through my recent inputs to get the client running again. At that point I realized that I started both clients on the same two cores on the last go around, a brilliant move on my part. When I set the clients up on the opposite cores, the times halved to 15 minutes/percent, which is equivalent to a single client at 7.5 minutes/percent. Going back to my 10 minutes/percent comparison on a dual core at 3.6 GHz, the quad is really flying along. It's running at stock vcore, and hopefully it can stay there for a while longer. I'd really like to get it into the 5-6 minute/percent range.
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post #17 of 21
Thread Starter 
A bit of an update -

Went for 320x8 = 2.56 GHz without a hitch then jumped to 340 x 8 = 2.72 GHz, and it's still going strong and is even at stock voltage. Folding production is up to about 6.5 minutes/percent, and the first two WUs have been turned in on that system.

I think I'll let it run at this speed until tomorrow evening and then take another step. My goal is 375x8, and 400x8 would be insanely great, though I doubt if I could keep it cool enough.

Quads are very fun to play with. Hopefully more people will get to enjoy folding with them after the price cuts next month.
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post #18 of 21
Thats great Taeric! The point you make about playing with the quad cores being fun is very true. Although they do offer a more complex overclocking challenge, they allow for more adjustments to find untapped potential in folding. The fact that the price will be dropping to a point where they are very affordable will hopefully bring a bump to our team numbers as well.

I look forward to any information you may find out that I can apply to my folding as well.
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post #19 of 21
Thread Starter 
I seriously doubt if my single quad rig will yield any substantive info to add to your broad knowledge base, but I'll continue to post up results both because I'm having fun playing with the system and because these results may help out those who are pondering a quad and are looking for comparisons to C2Ds. My results are on a mid-range custom WC system, so the build is a very attainable one without spending a ton of money.

My two E6600s and the X3210 should come in around 7200 ppd or so at current OCs. I know I can push that further. The top 100 right now is a bit over 9000 ppd, and it would be amazing to break into that territory. I will likely need to either add another system to upgrade one of the duals to a quad to get to that level.
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post #20 of 21
Thread Starter 
Here's an update for the evening -

I've reached a point of dimishing returns. At 2.72 GHz, it was running around 6.5 minutes/percent, down from 7.5 minutes/percent at 2.4 GHz. I went for 260x8 = 2.8 GHz after work, and it shaved only a few seconds off of the previous time. Bumping it to 375x8 = 3.0 GHz had a bit more of an impact, taking it down to about 6.1 minutes/percent.

On the bright side, it's at a 41% OC on stock voltage and appears to be rock solid stable. For a P5B Deluxe, 400 MHz is a sweet spot, and 400x8 = 3.2 GHz sounds like a good place for a folding quad. I'll give that a go tomorrow. I have no intentions of stopping there if it'll go further, but I'll have to experiment some with the multi to avoid the strap issues in the lower 400s.
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