Overclocking = Diminishing Returns


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  1. rjoudrey

    rjoudrey Well-Known Member This Topic's Starter

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    I have struggled with overclocking performance and battery life. I use my phone for more than Linpack & Quadrant.

    I have noticed that when I have a higher clock speed of let's say 1.1GHZ and I compensate for battery life by using an on demand setting at 0.4/1.1 my droid runs a little hesitant at times when starting programs. Some times it takes up to 10 seconds for a program to load.

    If a have a performance setting at 550/800 everything runs much more reliable and the overall speed and battery life is very good.

    I guess what I am saying is that high benchmarks don't always mean good overall performance.

    Comments!
     

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  2. johnlgalt

    johnlgalt Antidisestablishmentarian VIP Member

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    It is possibly true - but it may be your phone, and / or heat issues, and /or other issues as well.

    It also depends upon which apps you're referring to, whether they are on the SDCard or not, if you are on 2.2 or not....

    So many variables - and yet, in the end of the day, it's what makes *you* feel good.

    I am posting this b.c invariably someone is gonna say "Well, the benchmark proves this or that, and if you don't believe it you're a ______" - to that I say, no.

    You're using objective measurement, but your overall opinion is pretty subjective - and I say do what feels right for you.

    Forget the naysayers.
     
  3. Droid_Ninja

    Droid_Ninja Well-Known Member

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    I totally concur with your statement! I have noticed the same on my device as well. I got to the point, where I just say forget about using SETCPU. Right now I am on NEX Froyo and it runs HELLA FAST. I tried using SetCPU, just for Giggles, and made the ROM stutter/Lag a little.
     
  4. Fabolous

    Fabolous Superuser VIP Member

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    I'm doing just fine at 800/250 :D
     
  5. rjoudrey

    rjoudrey Well-Known Member This Topic's Starter

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    I use SetCPU but have not had good luck with settings below 550.
     
  6. OMJ

    OMJ Bazinga VIP Member

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    sometimes when flashing a new rom I forget to go into setcpu and set my clockspeed. It quickly becomes obvious to me that I forgot cause my phone doesnt seem as snappy.

    Sounds like you guys need to test out some other kernels. Some droids hate some kernels and love others. You gotta find the ones that are right for you.
     
  7. rjoudrey

    rjoudrey Well-Known Member This Topic's Starter

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    I have experimented with a lot of kernels it just seems my Droid does not like to run at less than 550. Almost like it does not wake up as fast. I think it is more SetCPU oriented than the kernel.
     
  8. OMJ

    OMJ Bazinga VIP Member

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    you should give jdflg's kernels a shot. They start at 400 instead of 125 or 250 but the 400 is the same voltage as 250 on other kernels.

    jdlfg kernels Updated 1200lv kernel. Testers reporting back with good feedback. - CyanogenMod Forum

    If that doesnt work I dont know what to tell you.
     
  9. johnlgalt

    johnlgalt Antidisestablishmentarian VIP Member

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    Those are the ones I am using - specifically, the 1.2 GHz LV kernel....
     
  10. rjoudrey

    rjoudrey Well-Known Member This Topic's Starter

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    Thanks, I will try them.
     
  11. anaphora68

    anaphora68 Well-Known Member

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    Well, here are my two cents, for what it's worth.

    If you're going from 1250 down to 250, you are going to notice lag. It's inevitable. It's almost the same as going from 25 to 100 in a car, it's not going to throttle up instantly. I don't know if the analogy is accurate or not, but still.

    I keep my Droid at 800, 250 when idle, and I do not have a single problem running Froyo.

    Maybe try a different kernel?
     
  12. UBRocked

    UBRocked VZW Nexus Please!!! VIP Member

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    I agree with your comments...benchmarks are nifty little numbers that don't really mean much...just an indication of how various setups stack up against each other.

    For instance...a high linpack score doesn't mean that you will QUICKLY find the app your looking for on poorly laid out homescreens :D

    Having said that I am trying to get the max speed and performance I can out of my phone. Battery life and temperature are usually fine for me regardless of my setup. So for me, it's all about max speed and max stability. 1.1GHz is usually where that point is for me so that's how I roll. 1.2 "works" and I could achieve higher benchmarks...but random reboots would drive me nuts (even if just sporadically).

    My way isn't right or wrong...it's just MY way. Everyone should have a similar attitude regardless of them running at 600MHz or 1.3GHz. Some people may say that 1.1 GHz and 800 MHz "feel" like exactly the same speed to them...so they opt for the lower whereas I would opt for the higher. But you really have to try different ROMs/Kernels out to find out what works best for you and your phone.

    Good post rjoudrey...some of the new rooters should read cause I get the impression that sometimes they load whatever they see other people running trying to match benchmarks they see from others. It's not a contest ;)
     
  13. Fadelight

    Fadelight Well-Known Member

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    For what its worth, I have setcpu set to "performance" rather than "ondemand" and don't notice any additional battery drain, but I do notice a huge jump in speed. (Time it takes for the phone to speed up.)

    Maybe others have different results, but I thought I'd mention it.
     
  14. johnlgalt

    johnlgalt Antidisestablishmentarian VIP Member

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    I should have mentioned that as I did the same, Fade. My bad.
     
  15. gwlaw99

    gwlaw99 Well-Known Member

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    What is everyone's experience with diminishing returns with webpage rendering speed?
     
  16. UBRocked

    UBRocked VZW Nexus Please!!! VIP Member

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    Oh yeah, me too!

    Wait...no...I don't :p I always thought the phone would not clock down when using that setting? I honestly never sway from conservative. Anyone understand why battery performance would NOT be less on the performance profile? :confused:
     
  17. rjoudrey

    rjoudrey Well-Known Member This Topic's Starter

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    I think the performance of SetCPU itself may be affected by clock speed compounding lag.
     
  18. messenger13

    messenger13 Well-Known Member

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    I clock my DROID the way I ride my bike and play my guitar. As fast and as hard as I can!!! :D :D :D


    The higher my clock speed, the faster the pages seem to draw up. To me, this is one of the most useful benefits to o/c'ing.
     
  19. trikotret

    trikotret Well-Known Member

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  20. Gunner

    Gunner Well-Known Member

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    I've also had really bad luck w/ jdlfg's kernels. 1st one I tried killed my Gallery/Camera. 2nd one gave me the same reboot loop w/ battery at 'zero' (battery actually had juice, but the phone didn't believe it). I went back to a P3 kernel and all is well again - but - my batt life has taken a definite hit. I would wait on jdlfg's kernels until all the kinks are worked out.
     
  21. Fadelight

    Fadelight Well-Known Member

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    I am probably wrong, but it appears to just bypass the stepping. It is all or nothing... switching from your low clock setting to high clock setting when the speed is needed, rather than stepping up to it.

    So if I am correct, when a program calls for the speed, it goes (on my phone) like this...

    400mhz - 1200mhz - 400mhz

    rather than...

    400mhz - 500mhz - 550mhz - 800mhz - 1ghz - 1.2ghz - 1ghz - 800mhz - 550mhz - 500mhz - 400mhz

    And also, just another "what if", but wouldn't that mean that technically, if you have it set to performance, it would be overclocked MORE on "ondemand" with the stepping? hmm.


    Where is the setCPU dev when you need to interrogate him?
     
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  22. rjoudrey

    rjoudrey Well-Known Member This Topic's Starter

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    It would be nice the have the clock speed displayed in the notification bar. That way you could observe SetCPU's operation.
     
  23. nstallion

    nstallion Well-Known Member

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    Playing around with these settings can help:

    [​IMG]

    http://www.pokedev.com/setcpu

     
  24. ZXMustang

    ZXMustang Well-Known Member

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    Yeah exactly. Mine WILL NOT work on anyother kernel but the P3 kernels, and it WILL NOT go above 1ghz. Mine just bootloops. I sure loves the 1ghz though.
     
  25. johnlgalt

    johnlgalt Antidisestablishmentarian VIP Member

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    Whereas mine has no issues with the Jldf... kernels - both LV kernels have are working well, and in fact, I am getting better clocks and MFLOPS with the new 1.2LV kernel versus the old one.
     

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