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  1. #1
    Helium Chilled Array _ PC Specs
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    Tuning For Better MemTweakIt Scores

    http://rog.asus.com/135582012/overcl...weakit-scores/

    If you’re getting into MemTweakIt with your P67/Z68/Z77 ASUS motherboard, you will want to read up on how exactly the scores are calculated in order to get a better result. MemTweakIt is designed not as a hardcore competitive tweaking program, but rather the algorithms are setup for a more fun approach that promotes real tweaking efforts, rather than just buying or binning the fastest kit.

    A, B, C & D are principle factors in MemTweakIt’s scoring, and each has relative weighting. It’s also worth noting the code does not treat Sandy Bridge, Ivy Bridge or Sandy Bridge-E CPUs equally, due to architecture differences.

    Intel ‘Ivy Bridge’ 3rd Generation Core Processors on LGA1155



    DRAM frequency has a high weighting, while A looks at the the baseclock is multiplied by the ratio used:

    float A = _pTSet->m_fBCLK * _pTSet->m_fRatio;

    Set B checks the primary timings (CR = Command Rate).

    float B = _pTSet->m_fCL + (float)_pTSet->m_itRCD + (float)_pTSet->m_itRP + (9.0f * (float)_pTSet->m_iCR);

    C & D check the secondary and tertiary timings, and has the lowest weighting;

    float C = (float)(_pTSet->m_itRAS + _pTSet->m_itRRD + _pTSet->m_iREFCycleTime + _pTSet->m_iRefreshInterval + _pTSet->m_itWTR + _pTSet->m_itRTP + _pTSet->m_itCKE + _pTSet->m_itFAW + _pTSet->m_itWR + _pTSet->m_itWCL);

    float D = (float)(_pTSet->m_iTRRDR + _pTSet->m_iTRRDD + _pTSet->m_iTWWDR + _pTSet->m_iTWWDD + _pTSet->m_iTRWDRDD + _pTSet->m_iTWRDRDD + _pTSet->m_iTRWSR);

    Overall the calculation is as follows:

    _pTSet->m_fEfficiency = (A * 127500.0f) / (53.0f * B + 0.6f * C + 20.0f * D);

    Then, finally, if you run in dual chanel with an Ivy Bridge CPU, the score will be multiplied by 1.92x compared to single channel.

    if (_pTSet->m_iNbChannels == 2) _pTSet->m_fEfficiency *= 1.92f;

    Intel ‘Sandy Bridge’ 2nd Generation Core Processors on LGA1155



    DRAM frequency has a high weighting, while A looks at the the baseclock is multiplied by the ratio used:

    float A = _pTSet->m_fBCLK * _pTSet->m_fRatio;

    Set B checks the primary timings (CR = Command Rate).

    float B = _pTSet->m_fCL + (float)_pTSet->m_itRCD + (float)_pTSet->m_itRP + (9.0f * (float)_pTSet->m_iCR);

    C & D check the secondary and tertiary timings, and has the lowest weighting;

    float C = (float)(_pTSet->m_itRAS + _pTSet->m_itRRD + _pTSet->m_iREFCycleTime + _pTSet->m_iRefreshInterval + _pTSet->m_itWTR + _pTSet->m_itRTP + _pTSet->m_itCKE + _pTSet->m_itFAW + _pTSet->m_itWR + _pTSet->m_itWCL);

    float D = (float)(_pTSet->m_iTRRDR + _pTSet->m_iTRRDD + _pTSet->m_iTWWDR + _pTSet->m_iTWWDD + _pTSet->m_iTRWDRDD + _pTSet->m_iTWRDRDD + _pTSet->m_iTRWSR);

    Overall the calculation is as follows:

    _pTSet->m_fEfficiency = (A * 127500.0f) / (53.0f * B + 0.6f * C + 20.0f * D);

    Then, finally, if you run in dual chanel with an Sandy Bridge CPU, the score will be multiplied by 1.8x compared to single channel.

    if (_pTSet->m_iNbChannels == 2) _pTSet->m_fEfficiency *= 1.8f;

    Intel ‘Sandy-Bridge-E’ 3rd Generation Core-i7 Processors on LGA2011



    Due to the fact LGA2011 is quad-channel, not dual-channel, an additional Z-factor for total DRAM size is added while channel count is removed. The rest is largely the same. As before, DRAM frequency has a high weighting, while A looks at the the baseclock is multiplied by the ratio used:

    float A = _pTSet->m_fBCLK * _pTSet->m_fRatio;

    Set B checks the primary timings (CR = Command Rate).

    float B = _pTSet->m_fCL + (float)_pTSet->m_itRCD + (float)_pTSet->m_itRP + (float)(_pTSet->m_iT_CCD) + (9.0f * (float)_pTSet->m_iCR);

    C & D check the secondary and tertiary timings, and has the lowest weighting;

    float C = (float)(_pTSet->m_itRAS + _pTSet->m_itRRD + _pTSet->m_iREFCycleTime + _pTSet->m_iRefreshInterval + _pTSet->m_itWTR + _pTSet->m_itRTP + _pTSet->m_itCKE + _pTSet->m_itFAW + _pTSet->m_itWR + _pTSet->m_itWCL);

    float D = (float)(_pTSet->m_iTRRDR + _pTSet->m_iTRRDD + _pTSet->m_iTWWDR + _pTSet->m_iTWWDD + _pTSet->m_iT_WRDR + _pTSet->m_iT_WRDD + _pTSet->m_iTRWSR); float Z = (float)dsize;

    Overall the calculation is as follows:

    _pTSet->m_fEfficiency = 2.1f * ((A * 127500.0f) + (Z * 1000.0f)) / (53.0f * B + 0.6f * C + 20.0f * D);

  2. #2
    New ROGer Array Zygomorphic's Avatar
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    Thanks! Now we know how to play the game...like those gamblers who count cards at blackjack.
    I am disturbed because I cannot break my system...found out there were others trying to cope! We have a support group on here, if your system will not break, please join!
    http://rog.asus.com/forum/group.php?groupid=16
    We now have 178 people whose systems will not break! Yippee!
    LINUX Users, we have a group!
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  3. #3
    ROG Guru: Green Belt Array mrwolf's Avatar
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    lol nice.. I know this is designed for the P67/Z68/Z77 ASUS motherboards but does it work well on the G75vw ??


  4. #4
    ROG Guru: Green Belt Array FlanK3r PC Specs
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    is possible reworking version for AMD chipset too? At Phenoms II was CPU Tweaker, but now is only AMD overdrive and this is very sensitive for chnages timings in windows.
    Who knows me, knows me ....AMD 3000+, AMD x2 4600+ EE, AMD X4 955 BE C2,2x AMD X4 965 BE C3, AMD X4 970 BE C3, AMD x4 975 BE, AMD x4 980 BE, AMD X6 1090T BE, AMD x6 1100T BE, 2x AMD FX-8120, 2x AMD FX-8150, FX-6300, FX-8300, FX-8320E, FX-8320, FX-8350, FX-8370, FX-8370E, FX-9370, FX-9590, AMD A8-3850, AMD A8-3870K, A8-5600K, A10-5800K, A10-6800K, A10-7850K, A10-7870K, A 5150, Athlon x4 860K, Intel i7-5960X, i7-6700K, Intel i7-4770K, Intel i7-980x, Intel i7 2600k, Intel i7-3770K, i7-3930K.

  5. #5
    Helium Chilled Array _ PC Specs
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    Quote Originally Posted by mrwolf View Post
    lol nice.. I know this is designed for the P67/Z68/Z77 ASUS motherboards but does it work well on the G75vw ??
    It does work on G75s yes but since you have no tweaking options in the BIOS you'll only get 'one' score.

    There's no AMD option planned sorry, the features we are taking advantage of are (afaik) exclusive to the Intel IMC.

  6. #6
    New ROGer Array Zygomorphic's Avatar
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    I have run it on my G53SX, so I know it works there, at least. Like @Marshall said, you only get one score
    I am disturbed because I cannot break my system...found out there were others trying to cope! We have a support group on here, if your system will not break, please join!
    http://rog.asus.com/forum/group.php?groupid=16
    We now have 178 people whose systems will not break! Yippee!
    LINUX Users, we have a group!
    http://rog.asus.com/forum/group.php?groupid=23

  7. #7
    New ROGer Array
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    I would like to use MemTweakit but it doesn't work on my new Maximus V Formula. It worked until my next reboot, and then all you could see is small box with MemTweakit emblem in the bpx.
    Has any body had this problem?

  8. #8
    ROG Enthusiast Array
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    mrjohns - this is a known issue. It has to do with the Desktop resolution setting. I think if you are using "smaller" then MemTweakit will not load properly. There is a Thread about the issue. Hope this helps.
    i7 3770K @ 5.0GHz DeLid 1.44v | Maximus V FormulaTFX BIOS 1803 | 16GB G. Skill Trident X 2666 LB5 1.65v | AX1200i | 2xGB HD7970OC 1050/1410 MOD BIOS 13.8 BETA CF | 840 Pro 256GB SSD |2x840 Pro 128GB SSD | 2xWDC 2 TB | Corsair 900D | Windows 7 64Bit HP | EK Supremacy Cu | EK CoolStream XTX 360 | EK DCP 4.0 | EK MO X3 150 | Panasonic 46" + Pan 42"x2 1080p LED LCD | APC Back UPS 1500/865| APC Voltage Regulator

  9. #9
    New ROGer Array
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    Thanx for sharing such an informative post.




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    Last edited by jhonharry; 11-06-2014 at 11:37 AM.

  10. #10
    New ROGer Array
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    Thats great if this is designed for the P67/Z68/Z77.

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