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Root Jit

Discussion in 'Android Devices' started by Frisco, Aug 17, 2010.

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JIT

  1. Good all around

    8 vote(s)
    32.0%
  2. Not good at all

    4 vote(s)
    16.0%
  3. Mixed reviews (good on some ROMs, etc)

    13 vote(s)
    52.0%
  1. Frisco

    Frisco =Luceat Lux Vestra=
    Thread Starter
    1,343

    Your results with JIT?
     

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  2. Frisco

    Frisco =Luceat Lux Vestra=
    Thread Starter
    1,343

    Detecting the benefits of JIT on xtrROMs seems difficult because these ROMs are quite fast as is.

    I've had JIT enabled for quite some time, then disabled it to compare and I must say I'm not sure if it's needed.
     
  3. zylk33

    zylk33 Member
    16

    Apr 28, 2010
    12
    1
    16
    I hear ya Frisco, I had JIT enabled when I was running white widow 4.6 and I didn't see any difference. I am now running xtr4.0.4 and its crazy fast without JIT!!!!
     
  4. Hercules

    Hercules Well-Known Member
    36

    Apr 30, 2010
    100
    3
    36
    Utah
    I tried JIT on XTR 3.0.3 and it seemed to make the phone jittery. Even moving from screen to screen and opening apps was not as smooth.
     
  5. Stagnation

    Stagnation Well-Known Member
    16

    Feb 5, 2010
    52
    3
    16
    IT :(
    SW OH
    JIT seems to works fine on 2.2 whereas it was a little flaky for me on 2.1 ROMs.

    I'll try turning it off on 2.2 and see if I can notice a speed difference. I didn't notice much of anything when using it on 2.1.

    Some poll options to differentiate between users using JIT on 2.1 vs. 2.2 might be interesting.
     
  6. doogald

    doogald Well-Known Member
    483

    Jan 7, 2010
    6,676
    1,919
    483
    I turned it off on XTR and did not notice any difference (except in Linpack.) I don't use Pandora, I don't play games, so I really don't care if it's on or off. I left it off on XTR, I leave it on in Froyo, and so far, everything is just fine.
     
  7. Frisco

    Frisco =Luceat Lux Vestra=
    Thread Starter
    1,343

    I think you've got the right formula for JIT; useful on 2.2, not needed on fast 2.1 ROMs, and problematic with some apps such as Pandora (Pandora is mentioned by the xtrROM dev as not playing nice with JIT enabled).

    The Linpack numbers, once again, show themselves as being a lot less relevant than user experience. ;)
     
  8. nathanirwin311

    nathanirwin311 Well-Known Member
    58

    Dec 10, 2009
    122
    16
    58
    Clinton, TN
    Yeah, I am running xtr4.0.4 and i have jit on. It seems a little faster to me than with it off but maybe it is subliminal because with jit off i get linpack scores around 2.2 and with jit on I get around 3.6 pretty consistently. I leave it on because it has not caused any problems for me with the apps that i run. You guys notice any other minuses to jit than it not playing nice with some apps?
     
  9. Praetorian

    Praetorian Well-Known Member
    38

    May 11, 2010
    180
    23
    38
    IT Manager
    Las Vegas, NV
    I had it turned on when I first moved to the XTRSense ROM but have left it off while I've been using 4.x and see no difference. However, I am now using Cache 2 SD and app 2 SD.
     
  10. L0stS0ul

    L0stS0ul Well-Known Member
    36

    Nov 12, 2009
    140
    7
    36
    Software Engineer
    Washington DC
    I definitely notice a difference on 2.2 roms. Jit takes a few runs of the program to really optimize but it really speeds up apps as you use them more. On 2.1 I found it more of a problem then it was worth.
     
  11. alprazolam

    alprazolam Well-Known Member
    143

    Dec 31, 2009
    1,722
    194
    143
    I've never noticed a difference one way or the other. I've had it on and off, and maybe I just didn't pay attention enough, but I just haven't detected a difference in speed one way or the other.
     
  12. meanm50

    meanm50 Well-Known Member
    36

    Feb 14, 2010
    139
    7
    36
    Marketing manager for national franchise
    PDX
    qft.
     
  13. rick311

    rick311 Well-Known Member
    68

    Jan 31, 2010
    673
    44
    68
    what is this JIT you speak of?
     
  14. CrazyKnight128

    CrazyKnight128 Well-Known Member
    38

    May 12, 2010
    123
    12
    38
    I use White Widow 4.6 and i love the rom, But with out JIT enabled its just really slow i dont know why it just is. So i have JIT on and my phone is fast and i like it.
     
  15. AdrianC14

    AdrianC14 Well-Known Member
    78

    Dec 29, 2009
    776
    62
    78
    California
    When I was on White Widow, I turned off JIT because it caused random reboots. I have JIT enabled on KaosFroyo and every thing works great and no random reboots.
     
  16. Frisco

    Frisco =Luceat Lux Vestra=
    Thread Starter
    1,343

    JIT really does seem to be more stable on 2.2.

    Also, I do not use Pandora, but I'm wondering if it works well with JIT in 2.2 as it does not in 2.1.
     
  17. CrazyKnight128

    CrazyKnight128 Well-Known Member
    38

    May 12, 2010
    123
    12
    38
    Im using pandora radio with JIT and WW4.6 and it works perfectly, And i use pandora everyday all day for music while i work.
     
  18. SyDTRaKKeD

    SyDTRaKKeD Well-Known Member
    38

    May 2, 2010
    262
    23
    38
    SEO/Marketing
    SoCal
    well... I decided to test this out and I can't vote because I have not used any other ROM besides xtrROM... but on xtr it seems that having JIT off is actually snappier than with it on...
     
  19. funkyfender

    funkyfender Well-Known Member
    38

    Mar 4, 2010
    124
    16
    38
    Retail
    Greensburg, PA
    JIT, as I recall, is kind of a memory/cpu trade-off. You get benefits in cpu intensive tasks at the expense of additional memory being required. Seeing as our phones don't have an excess of memory, your performance could be degraded. Darch was considering leaving JIT disabled by default in CM6 for the Hero iirc (I can't remember exactly tho).
     

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