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TPU's WCG/BOINC Team

Discussion in 'World Community Grid (WCG)' started by Chicken Patty, Feb 20, 2009.

  1. manofthem

    manofthem WCG-TPU Team All-Star!

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    I've seen some used 7770s in the range t_ski mentioned, but new I haven't found much other than ~$100-115

    I'm actually looking now for a future purchase and trying to figure out what the best option is :)
     
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  2. Mydog

    Mydog

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    How many GPU WU's are you guys running on 7970's in CFX?

    OH! Long time no see :toast:
     
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  3. Jstn7477

    Jstn7477

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    10 for each card on 7970/7950/(7870XT?).
     
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  4. manofthem

    manofthem WCG-TPU Team All-Star!

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    as Jstn said, 10/card, 20 total
     
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  5. Mydog

    Mydog

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    OK, I'm doing 12 on each now but gonna test up to 24 on each as 12 gives low CPU usage
     
  6. Jstn7477

    Jstn7477

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    What are your WU completion times? A single 7970 with 10 threads/0.8 CPUs keeps my 3770K loaded anywhere from 30-70% most of the time (100% on startup and many times when WUs align with each other) with WU completion times of 5:30-7:30.
     
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  7. Mydog

    Mydog

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    Times are in the range of 6:00-7:30 but I got 4 threads more on my 3960X, WU times are not so important as you need to see the average time on the 24 and then divide that by 24 then you get the completion time on one WU. If you do 48 WU's and do the same then you can compare.

    Example: 24 WU's average completion time is 7:00 mins/24= 17,5 second on each WU
    48 WU's average completion time is 13:30 mins/48= 16,875 second on each WU
     
  8. [Ion]

    [Ion] WCG Team Assistant

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    KieX's system that I'm renting has a pair of HD7970s on an 2600k @ 4.4 (IIRC)--running 10 WUs/GPU and no CPU WUs, time/completion is about 9:00 or so per WU.
     
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  9. Mydog

    Mydog

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    If you get 9:00 mins on each WU when running 10 on each 7970 that means you finish 20 WU's every 9:00 mins right?

    So a single WU's time should be 9:00mins/20= 27 seconds?

    The problem is the alignment of the WU's and I want to find the best number of WU's to run where that's not an issue.

    I hope they will come up with more GPU WU's after HCC is finished.
     
    Last edited: Mar 26, 2013
  10. [Ion]

    [Ion] WCG Team Assistant

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    That sounds about right to me. I'm getting just shy of 200k PPD (usually 190-205k) from it ATM :toast:
     
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  11. Mydog

    Mydog

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    My point is that if you increase the number of WU's to 12 per GPU you should get between 220-240k Boinc on that setup :toast:
     
  12. [Ion]

    [Ion] WCG Team Assistant

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    Thanks, I'll give that a shot tonight :toast:

    EDIT: Apparently I was poorly estimating the time--it looks like it's just a tad over 8minutes/20 WUs instead. I'm still going to try 24 at once to see.
     
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  13. HammerON

    HammerON The Watchful Moderator Staff Member

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    I do 12 WU's each on my three 7970's. Takes about 9 -10 minutes...

    Welcome back Mydog:toast:
    Are you going to be crunching for TPU again?
     
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  14. manofthem

    manofthem WCG-TPU Team All-Star!

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    ok fine, i'll try 24 also. ;)

    I wonder at what point though my cpu will be holding it back. I'll be doing each WU w/ .33CPU lol
     
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  15. [Ion]

    [Ion] WCG Team Assistant

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    That's what I have KieX's setup doing. Shame that the GPUs are 5000km+ away, or I'd throw them in the 3930k and they'd have 50% more CPU to play with :)
     
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  16. Mydog

    Mydog

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    You got three 7970's in one rig?
    You should then finish 36 WU's every 9:30 mins approx and that's 15.83 sec on each which is very good.:toast:

    We'll see on April 1st :)
    Told you I'd be back some day :toast:

    Good luck, and post your findings :toast:

    That would be when you see the single WU time increase then you should go down on the number of WU's until you find the "sweet spot" :toast:
     
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  17. Norton

    Norton WCG-TPU Team Captain

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    At a certain point your ppd will plateau and you'll see diminishing returns. If you hit that point with less wu's running than someone else's similar setup, with a better cpu, then your cpu is likely maxed out...

    I flatten out my 7870's at 8-10 wu's (FX-8's) and max out at around 70k ppd, which should be max output for the gpu ;)
     
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  18. stinger608

    stinger608 Dedicated TPU Cruncher & Folder

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    Yep. I, as well, run 8 WU's on the 7870. I tried to run 10 but it made the system pretty much unusable. Once I dropped back down to 8 it made all the difference in the world.

    @MyDog: Welcome back man!!!!! :toast::toast::toast:
     
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  19. HammerON

    HammerON The Watchful Moderator Staff Member

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    I did have all three in my main rig when I had three HD 7770's in the second rig. However I sold the three HD 7770's and now have two 7970's in the main and one in the second rig. When I had all three 7970's in the main rig I only ran 10 WU's on each...
     
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  20. Mydog

    Mydog

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    So you guys are using your crunchers for other things than WCG :wtf:
    Didn't know that was allowed :roll: I always use my lappy on the internett and such stuff.:confused:

    Thanks stinger608 :toast:
     
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  21. [Ion]

    [Ion] WCG Team Assistant

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    I use my i7 laptop for nearly everything--even gaming :shadedshu

    It is so, so hard to play Portal 2 on a HD4000 when I have a HD7930 nearby--but at the same time I feel and intense desire to keep my GPUs crunching :laugh:
     
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  22. Mydog

    Mydog

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    Oh! how I know that feeling :shadedshu
    I just sold my old 5970 that was in my media server, gonna get a 7850 or 7870 tomorrow for replacement.
     
  23. JNUKZ New Member

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    I left the computer crunching today while I was gone. When I came back a nice BSOD on the screen, probably missed a couple crunching hours.
    Not sure what happened...
     
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  24. ChristTheGreat

    ChristTheGreat

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    that sucks :/

    Hope you'll find why :)

    I just sent back the board from my wrong order (for my customer, a P8B75-M cause I forgot it wasn't doing Raid), and NCIX told me:


    My reply:

    Seriously, there was no bent pins...
     
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  25. [Ion]

    [Ion] WCG Team Assistant

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    I'm sorry. This is why my policy is to always take a picture of the board with a stand with the date before I ship it off, so that, should anything arise, I can provide the pictures.
     
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