Just started on a Core i7 2600K

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Re: Just started on a Core i7 2600K

Postby artoar_11 » Sun Sep 18, 2011 10:32 pm

Bob8421 wrote:
artoar_11 wrote:Stanford is not happy when the donors returned WUs near preferred deadline. It is commented here many times.

Then Stanford needs to adjust its vocabulary.

When someone receives what they PREFER, rather than the bare minimum, it should NOT make them unhappy!


It's that slow machines delayed the project. Stanford wants for bigadv only 8 physical, not virtual cores.
Not the same, but something like this:

viewtopic.php?f=55&t=19552&start=0#p194930
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Re: Just started on a Core i7 2600K

Postby M-x » Sun Sep 18, 2011 11:49 pm

artoar_11 wrote:
Zagen30 wrote:
artoar_11 wrote:If the CPU will work at stock frequency, only -smp 8. Also depends how many hours per day will work for FAH.
For -bigadv, need much overclock (>4.5GHz). 50*C is very good.


No, it doesn't. I used to run bigadv on my Nehalem i7 at 3.8 GHz and it made the preferred deadline. I've seen reports that a stock 2600k can make the bigadv deadlines reasonably comfortably. It's certainly recommended to bump up the OC to increase PPD, but it's not required on SB.

M-x: is there any software that runs intermittently? SMP performance is bottlenecked by the slowest thread, so even if something's hitting one thread sorta hard for a few minutes the TPF can be dragged down noticeably.


In the above post I mean the following. SB 2600K when loaded all cores, Turbo Boost only add +100MHz. I.e. 3.4 -> 3.5GHz (not 3.8GHz). 3.5 GHz is sufficient for -bigadv?

http://www.intel.com/support/processors ... 032279.htm

Stanford is not happy when the donors returned WUs near preferred deadline. It is commented here many times.

@M-x, change the settings of windows Automatic Updates. From Automatic -> Download updates .... or Notify me .... A good idea is to use Google Chrome. For two years already I forgot about the existence of IE 7/8/9 .... FAH does not slow when browsing with Chrome.


I have disabled Automatic Updates to download/install. That's one of the first things I do after installing drivers :) Literally nothing runs in the background anymore and no programs (besides maybe HFM) are open. Also, why does the 2600K list the turbo boost at 3.8GHz? Mine is sitting at 3.5 at the moment. Where's the extra 300MHz?
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Re: Just started on a Core i7 2600K

Postby Zagen30 » Mon Sep 19, 2011 12:04 am

Turbo Boost only hits the stated max when one core is running. The more cores in use, the lower the TB OC.
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Re: Just started on a Core i7 2600K

Postby M-x » Mon Sep 19, 2011 2:28 am

That makes sense, and I did discover that shortly after a Google search.
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Re: Just started on a Core i7 2600K

Postby M-x » Mon Sep 19, 2011 8:41 pm

A slight overclock on my i7 to a very stable 4.2GHz has reduced my TPF by 30 seconds (to 2:30 mins/frame) and added about 6,000 PPD. Woo! (Under project P6976)
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Re: Just started on a Core i7 2600K

Postby M-x » Tue Sep 20, 2011 1:01 am

Last edited by bruce on Tue Sep 20, 2011 1:58 am, edited 1 time in total.
Reason: Removed in-line [img] tags
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Re: Just started on a Core i7 2600K

Postby artoar_11 » Tue Sep 20, 2011 7:43 am

The design of the box looks nice. I see you're not a gamer. It is good that make overclock.

Now the hardware to show what it can :)
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Re: Just started on a Core i7 2600K

Postby OzPapaSmurf » Sat Sep 24, 2011 11:47 pm

I also have a new system based on the I7 2600K. I haven't overclocked it yet but will look into it after I have had the beast running for a time.
Will have to get some shots of my beast and post when I can :)
Normally the beast runs 3 mins per step but for this one it is 9 mins.
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I7 2600K
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