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Thread: SuperPI tweaks

  1. #51
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    Quote Originally Posted by Zeus
    Copy-waza is the best tweak i've used so far for SuperPi.
    What is copy waza exactly Z3us, i know team japan uses it?

    explain plz!
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  2. #52
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    Quote Originally Posted by El Snorro
    What is copy waza exactly Z3us, i know team japan uses it?

    explain plz!
    Copy a giant file, say couple gigs to another partition.
    Run SuperPI
    Bringin' it home!

  3. #53
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    Yeah, what RAMMIE says, i'd take a 1gig file.
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  4. #54
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    I'll be trying that in another day or so on a clean install of OS...be happy to report results.
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  5. #55
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    So far I've been messing with "copy waza" for about 5 minutes. Copying TO the partition I'm benching on seemed to shave about .1 sec after I copied a 1 gig file. Then I tried copying the file FROM that partition, and it added two seconds to the score! Never seen anything like this. So far I've shaved a second off those two by copying a gig back...but it doens't look like I can get any more...time for a fresh install.

  6. #56
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    interesting Guatam. I just started, got a fresh install. atm I'm only doing 1M, checking out what makes a difference & how much...haven't got to the tweaking part yet. I'm testing at stock speeds & on air. The only significant thing I found so far is that running CPU-Z adds about .1sec, maybe a little more. Running in real time doesn't seem to matter, at least not in 1M.
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  7. #57
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    Nice thread D_o_S !

    Some really good info, will use it and rebench
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  8. #58
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    Starting 32M tests now, beginning with the window tweaks. So far nothing new regarding 1M, but as I implement some of the registry tweaks for 32M I'll be checking 1M for performance increases...just incase something makes a difference.
    One question, I can't find userinit.exe in task manager (server 2k3). I did find inetinfo.exe & tried shutting that down from task manager but it reopens immediately...any suggestions?
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  9. #59
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    Just tried the copy waza thing...wow! Shaved about 7sec off 32M for me. pagefile & realtime took off took off about 2sec. No PB's though, I'm still testing at stock speeds.
    I'm trying different combinations & when I get through I'll try to put it all on a chart to show what worked for me.
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  10. #60
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    Well, here's my results. I would normally prefer to test each setting three times, but 32M would take more patience & time than I have.
    All was tested with air cooling at stock frequencies, 2.8GHz on FX57 CPU & 255MHz on DDR500 Mushkin XP4000's. OS was retail Win Server 2k3, fresh install w/no updates & not Microsoft activated, just a bare install.
    What seemed to make the most difference was Defrag, disabeling pagefile & defrag, and mostly the waza tweak, almost 17 seconds!
    There were some settings already set from when I was testing 1M...I had forgot to put them back, hopefully the notes explain that. Anyway, here it is...I need time away from looking at it, me eyes are getting crossed.
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  11. #61
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    It's been a while since last tweaks were posted here.
    Now I want to tell about one tweak that did help. It doesn't compare to copy-waza in terms of time gain but it gave me around ~0.1" for 1 MB SuperPI runs. Because of the nature of this tweak I think it is more helpful to 1 MB / 2MB runs then for 32 MB runs.
    I call this tweak: pseudo-minimize because it resembles to minimize but it's not the same. It goes like this:

    When all other tweaks are done (including realtime priority and copy-waza) and you are ready to launch SuperPI 1MB, then drag the bottom-right corner of the SuperPI window towards the upper-left corner untill the only thing left visible remains the small title bar of the window.

    Then use the keyboard to launch SuperPI with the combination ALT+C then select the desired run (1MB, 2MB etc) with either the keyboard or mouse, then hit Enter (or click OK).

    Finally, when the "PI calculation done!" message appears you should put the mouse pointer over the TaskBar, click the right button and select "Tile Windows Vertically" to see the whole SuperPI window and do the screeny fest

    This tweak, in conjunction with copy-waza is the best I've tried so far.
    In the picture below you can see the best result and WR afaik, with AMD Opteron at 2704 Mhz 338x8, obtained with this tweak.
    Attached Images Attached Images
    Last edited by sabinus; 07-09-2006 at 12:56 AM.

  12. #62
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    What is copy-waza?

    @ Sabinus: i have the italian version of windows xp pro and i don't find any voice that is similar to "Tile Windows Vertically" you can send me a screen please? thank u guy

  13. #63
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    Quote Originally Posted by lupacchiotto
    What is copy-waza?

    @ Sabinus: i have the italian version of windows xp pro and i don't find any voice that is similar to "Tile Windows Vertically" you can send me a screen please? thank u guy
    There's actually another name for it but what that is escapes me atm.
    What you do is copy a large file, 1G or 2G in size from one partition to another and then immediately run Super Pi, made a big difference for me
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  14. #64
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    And for me too ..
    lupachiotto you have PM

  15. #65
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    Copy waza doesn't work, at least not on dothan

    And I can't find explanation of why would it be better and why should it work at all
    ...

  16. #66
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    Copy waza helped me tons on Dothan, like .3 secs steady. Explanation though, but I don't understand why it isn't helping you. I get gains even copying 500 MB files.

    That's a REAL quick time, Sabinus and thanks for the tip.

  17. #67
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    Where can you get the Japanese version of SuperPi?
    Quote Originally Posted by IYP
    impecible reasoning....the jedi mind skills of the stupid people are overwhelming....but they shall not assimilate me!

  18. #68
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    Fresh install, copy from or to or from/to 600 or 1.5GB file, absolutely no difference in times.

    Board is p4gpl-x

    Don't have other hw to test atm
    ...

  19. #69
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    Quote Originally Posted by kiwi
    Fresh install, copy from or to or from/to 600 or 1.5GB file, absolutely no difference in times.

    Board is p4gpl-x

    Don't have other hw to test atm
    Did you make separate partition on HDD? Defrag too?
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  20. #70
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    I think it has to do with having the harddrive already accesed (sp?) and spinning when you order it to run superpi. (Could be wrong as though, I don't know anything about harddrive's).
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  21. #71
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    I expect honest feedback on my pseudo-minimize tweak..
    Some other people reported that works on Opteron as well as Dothan and Conroe.
    It makes the difference between good and best results

  22. #72
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    Quote Originally Posted by sabinus
    I expect honest feedback on my pseudo-minimize tweak..
    Some other people reported that works on Opteron as well as Dothan and Conroe.
    It makes the difference between good and best results
    Can't see anything different with ur tweak, but will test it again on my SuperPI windows. Thx for the afford!
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  23. #73
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    I've noticed under memory timings these have the biggest effect on super pi (1 M and 32 M) when tweaking with memset:
    : CAS latency, RAS-CAS read, RAS-CAS write, memory refresh (trfc), performance level, write to precharge delayed, write to read delayed, TRAS, act to act delayed. Setting trd_WR has no effect, and it can't be set real low, on P965 anyway.

    Of these the biggest effect is from CAS latency, performance level, TRFC, RAS-CAS read, TRAS, followed by write to precharge and write to read delay. TRFC seems to have the biggest leeway for adjustment even on regular DDR2.

  24. #74
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    so what is the best os for 1M super pi? XP, 2K3, 2K?

    Does the 64bit version of either OS help out?
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  25. #75
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    run superpi on one core, not core 0. So on core 1, 2 or 3. This helped me a bit.

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