yashsingh1/xdaforums huggingface dataset:
[Galaxy S II General] It_ler:
On my phone with my usage ... yes, XWLPD was the best balanced stock ROM/system so far.

I used XWLPD ROM from Intratech's thread => http://xdaforums.com/showthread.php?t=1075278

Post #3 ... the NEE (Nordic) version.

And I used CF-Root kernel v5.5 for XXLPD from Chainfire to root this ROM.
[Galaxy S II General] It_ler:
Pre-rooted XWLPT:

Better battery life in night use for the XWLPT ROM with pre-rooted stock XWLPT kernel.

XWLPT: Battery loss of 0,85% per hour, Awake: 5,6%, Deep sleep: 94%

Deep sleep ratio is very good.

Now running mixed usage battery test.
[Galaxy S II General] It_ler:
Pre-rooted XWLPT:

Even better mixed usage battery life for the XWLPT ROM with pre-rooted stock kernel.

XWLPT: Battery loss of 1,77% per hour, Wifi: 100%, Awake: 15,5%, Deep sleep: 84%, Screen: 9,8% => loss*(1-screen): 1,60%

Seems to be a very good kernel - better than XXLQ5 ... for battery life.

Maybe a new base ROM?!
[Galaxy S II General] jackrip5:
May i ask what kernel odd included in the pre rooted edition?

For game performance reasons, i moved forward to lpt following your benchmarks, i even made use of the cfroot kernel. I wanted to stay stock but cfroot kernel seems a bit more performant, as far as i compared them in some tests. It is better than lpo in which 3d performance is sloppy indeed.

Gesendet von meinem GT-I9100 mit Tapatalk 2
[Galaxy S II General] It_ler:
Pre-rooted XWLPT has pre-rooted stock XWLPT kernel.

Link is in my signature ... it is the version from lyriquidperfection.
[Galaxy S II General] It_ler:
Pre-rooted XWLPT:

On second battery cycle even slightly better battery life in night usage.

XWLPT: Battery loss of 0,77% per hour, Awake: 4,6%, Deep sleep: 95%

I think I have found a new base ROM for further kernel tests.
[Galaxy S II General] hausmanis:
First of all id like to thank you for this GREAT GREAT post, its super nice with all the tests your doing as im guessing 95% of the SGS2 users is realy only hunting for the best possible combination with rom/kernel to get the best batterylife with usable performance.

LPT seems great. just cant wait to see you testing some new updated custom kernels like siyah ec

---------- Post added at 07:15 PM ---------- Previous post was at 06:54 PM ----------

Anyone know where i can find XWLPT prerooted KERNEL, not the entire rom, just want the kernel

NVM found it here : http://xdaforums.com/showthread.php?t=1544487
[Galaxy S II General] It_ler:
Oh, good you found it.

I used the Pre-rooted ROM and flashed only the kernel part with Mobile Odin app.
[Galaxy S II General] hausmanis:
Using latest Wanamlite LPT together with the LPT prerooted stock kernel, sofar so good.

Btw a noob question, i see you writing the CSC on some of your battery results, does the CSC make any difference to the batterylife ?
[Galaxy S II General] It_ler:
I only tested the influence of different things.

On XWLPD there was a small difference for battery life after flashing another CSC.

Could be a CSC related app ... I don't know.
[Galaxy S II General] hausmanis:
alright strange, will try some CSC aswell then to se if i get any differences, thx for fast replies
[Galaxy S II General] It_ler:
You are welcome to post your experiences here.
[Galaxy S II General] It_ler:
SpeedMod K3-30:

Now I flashed SpeedMod K3-30 again ... now on XWLPT ROM.

Let's see its results on this stock ROM comppared to its results on XWLPO.

Everything stable, working and smooth so far.
[Galaxy S II General] It_ler:
SpeedMod K3-30:

Nearly the same benchmark results as SpeedMod K3-30 on XWLPO ROM.

Only Antutu showed new high score for SpeedMod K3-30 on XWLPT ROM.
[Galaxy S II General] mubeenshahid:
Guys which rom + kernal combo u suggest for good performance and better battery life?I sometimes play heavy games(gta 3 ,modern combat 3) and sometimes want good battery life with normal usage
[Galaxy S II General] It_ler:
Depends on what you want.

GB or ICS ROM?

GB: I had best balance with XWLA4 ROM and Redpill and Phenomenal kernels.

ICS: XWLPD ROM with stock or Phenomenal kernel for best battery life. But performance wise ... have a closer look at my test results, try some ROMs/kernels on your phone, and decide based on your experiences.

There is no "universal" best combo for all users/phones/needs IMO.
[Galaxy S II General] hausmanis:
Im so curious about how the best stock rom, LPD at the moment ? compares to like cm9 and aokp roms in terms of batterylife.

I know one thing and back in the gb days, cm7 rom insanity was way better than stock.
[Galaxy S II General] kami84gr:
Thanks! I've been using the Cyprus XWLPD firmware with the same cfroot kernel you use for over a month now and even though I dont have any statistics, I can verify that it is the most stable, responsive and battery-friendly stock firmware so far...even among the 4.0.4 ones!

Im glad that I can see it in numbers now, thanks to your tests.... keep up the good work!
[Galaxy S II General] It_ler:
I like stock/Sammy ROMs, so I won't flash any custom/AOKP/AOSP ROM ... yet.

If you want to compare stock and custom ROMs, it is up to you.

IMO, this will be way more difficult to get reliable/comparable test results, as there are much more differences between stock and custom ROMs than between different kernels on the same ROM.
[Galaxy S II General] It_ler:
SpeedMod K3-30:

It has a fantastic deep sleep on XWLPT ROM on my phone, battery life in night use is good ... nearly the same as on XWLPO.

SpeedMod K3-30: Battery loss of 0,85% per hour, Awake: 4,8%, Deep sleep: 95%

Mixed usage battery test is still running.
[Galaxy S II General] It_ler:
SpeedMod K3-30:

Very good battery life in mixed usage.

SpeedMod K3-30: Battery loss of 1,76% per hour, Wifi: 100%, Awake: 15,7%, Deep sleep: 84%, Screen: 9,6% => loss*(1-screen): 1,59%

SpeedMod K3-30 kernel and XWLPT ROM seems to be a very good combination.
[Galaxy S II General] It_ler:
HiroX.030:

I tried to flash HiroX.030 kernel - extreme, intensive and medium version on my XWLPT ROM, but stck at boot logo.

Flashe dwith Mobile Odin app and with PC Odin.

I really have to wait for fenomeno83 to create a new Phenomenal version.
[Galaxy S II General] It_ler:
DM 1.0:

I just flashed DM 1.0 kernel (from dev of DarkKnight kernel).

It is very stable on my phone. Everything seems to work fine (camera, bluetooth, wifi, auto-rotate, senors, etc.).

But it doesn't feel as smooth as stock kernel.

I am curious about its battery life, as it is undervolted by default.

What I like:

Stablility

Android 4.0.4 compatibility

CWM Manager app compatibility

Recovery

Normal battery charging animation

What could be improved:

Performance/smoothness

Booting time

100% battery charging animation
[Galaxy S II General] a0007:
:good:

waiting DM result

Thanks bro

form your thread I see XWLPD kernel result and I used it :fingers-crossed:
[Galaxy S II General] hughfollett:
Great work here!! Waiting your results with Galaxian kernel:)

Inviato dal mio GT-I9100 con Tapatalk 2
[Galaxy S II General] jlevy73:
You'll have to add K3-31 to your list, been running since last night with LPT and it's giving a little better battery results than K3-30 (performance is excellent too). Keep up the great work! This is one of the few threads I check regularly.
[Galaxy S II General] It_ler:
Thanks for the suggestion.

Latest SpeedMod kernel is already on my "kernels-to-test" list.
[Galaxy S II General] It_ler:
DM 1.0:

Good battery life in night use.

DM 1.0: Battery loss of 0,84% per hour, Awake: 5,8%, Deep sleep: 94%

With a little bit less deep sleep it has a little bit less battery consumption - compared to SpeedMod K3-30. Maybe it will lead to better battery life in mixed usage too.
[Galaxy S II General] It_ler:
DM 1.0:

Battery life in mixed usage is worse than on stock kernel.

DM 1.0: Battery loss of 1,99% per hour, Wifi: 100%, Awake: 16,4%, Deep sleep: 83%, Screen: 9,7% => loss*(1-screen): 1,80%

A little bit disappointing IMO. Maybe it will have better battery life on a second/third battery cycle.
[Galaxy S II General] It_ler:
SiyahKernel v4.0.1:

I just flashed SiyahKernel v4.0.1.

It is very stable and feels very smooth on my phone.

Everything seems to work fine (camera, blueetooth, wifi, sensors/auto-rotate, fm radio, recovery, LED backlight settings, etc.).

What I like:

Stablility

CWM Manager app support

ExTweaks app support

Normal battery charging animation

What could be improved:

100% battery charging animation
[Galaxy S II General] FeuchtVonLipwig:
Im going to test the same setup of your rom and the siyah kernel today as i want to go back to a stock rom. But it sounds good so far :good: If i also get decent battery results then i'll be happy for a while i guess:laugh:
[Galaxy S II General] pacc:
Congrats for your work, it does help a lot.
[Galaxy S II General] AndroidGX:
Hiya It_ler !

Glad you finally opened a thread mate, will be easier to follow your tests ;)

Thumbs up for this guy who spend most of his time benchmarking battery life with kernels and playing with his own battery lifetime to shares us always everyday better useful stats ! :cool:

'Cheers!
[Galaxy S II General] CamoGeko:
Hi mate, just added a link to your thread in my MagicConfig thread in post 2 here - xdaforums.com/showthread.php?t=1466017

Sent from my 80GB CyanogenMOD 9 + Siyah ICS powered beast. Booya!!
[Galaxy S II General] DanDroidian:
Great info and detailed test results!! THX!!

Out of curiosity, forgetting all the numbers, which kernel is your favorite?? Which one felt the smoothest to you?

(the reason I ask is because I just upgraded from SGS1 to SGS2 today and have to start all over again choosing roms, mods, kernels, etc, and would also like to hear your overall impressions of these different kernels)
[Galaxy S II General] It_ler:
I have got no real or absolute favourite kernel.

As IMO battery life is more important, I prefer Phenomenal Extreme, which is extremely undervolted by default but stable on my phone.

For smoothness ... try latest SpeedMod kernel.

N.E.A.K. and SiyahKernel are also very good and smooth, but you can tweak a lot of system/kernel settings to optimize the kernel to your needs ... so that is something I would not recommend for "beginners".

It is your phone, bootloader is unlocked, so feel fre to flash and test any kernel which is compatible with your ROM.

You are welcome post your results/experiences here.
[Galaxy S II General] DanDroidian:
Thx for that. I will start with SpeedMod, and if the battery life isn't good enough, I'll try Phenomenal Extreme.
[Galaxy S II General] AndroidGX:
SocialHub is in my recommanded apk removing list (in my battery saving tips collection), it's sucking battery juice like hell :D same about Seven engine ;)

Btw, I tried latest XXLPW CF-Root kernel but didn't found it very battery frendly in deep sleep, won't recommand it to ure future kernel-to-test list at all :cool:
[Galaxy S II General] It_ler:
Yeah, saw your tips already and have applied many of them. (See the link in the first post!)

With removing of some system apks I am very careful, as I am using GTalk, stock EMail and Google Reader app.

So I still need some of these social hub / seven apks.

But I am always confident to test new settings ;-)

Have updated my "kernels-to-test" list in post #2.

Always happy to hear about other user's experiences.
[Galaxy S II General] Phil3759:
Thanks for this great work

Any chance you add tests for LPW and the new LPG?

I am interested with battery tests mainly. LPF is not that great with me, stock kernel
[Galaxy S II General] It_ler:
XXLPW is not on my current kernels-to-test list, but maybe XWLPG could be a candidate.

Want to finish my current tests first, then I decide which kernel/ROM to test next.
[Galaxy S II General] Phil3759:
Thank you for the answer

LPG will be good to compare with LPF, in fact, I tested LPW and will not be back to it. Only battery under LPF a bit worst...

Will be waiting for your updates
[Galaxy S II General] V2daTizzo:
can someone explain these numbers to me please:confused:
[Galaxy S II General] It_ler:
Which numbers do you mean?

Benchmark test numbers = scores / results of the corresponding benchmark app.

Battery test numbers:

Battery loss of x% per hour:

Battery power was a% at the beginning of the test and b% at the end, so the battery loss was a-b% during the test. This number would be only "comparable", if all the test are taking exactly the same time. As sometimes the battery test is slightly shorter and sometimes a little bit longer, I "normalize" this battery loss by dividing by the testing time t (in hours).

So I receive a battery loss x = (a-b) / t in %/hour, which is better comparable for all tests.

The other numbers are ratios in % for the different phone states/times during the test (Awake time, Screen on time, Deep sleep time, etc. divided by the testing time) - I get these ratios/values from BetterBatteryStats (BBS) app.

And in mixed usage battery test, I saw a direct relation between screen on time and the battery loss per hour, and as I do not have exactly the same screen on time in all tests, I tried to "normalize" this battery loss per hour by the mentioned formula:

loss*(1-screen) = battery loss in % (per hours) * (100% - screen on time in %)

So, it would be the battery loss in % (per hour) for the screen off time.
[Galaxy S II General] It_ler:
Tests for SiyahKernel v3.3.1 are finished:

Depp sleep in over-night use is very good, but battery life in mixed usage is not the best for SiyahKernels.

SiyahKernel v3.2.7.2 had significant better battery life on my phone for my "normal" usage - all tests on complete default settings (no UC/UC/manual tweaking).
[Galaxy S II General] CamoGeko:
Was on 3.2.8.2 till today, recently flashed 3.3.1... will see how it goes within the next few days.

Sent from my 80GB CyanogenMOD 9 + Siyah ICS powered beast. Booya!!
[Galaxy S II General] sefrcoko:
If you do try Phenomenal Extreme and encounter any issues with it, then you can also try Phenomenal Medium or Phenomenal Normal. These are the same as Extreme but less agressively undervolted. This can help if you find Extreme too unstable but still want good battery performance.;)
[Galaxy S II General] It_ler:
Issue report from nighly usage battery test with DormianX 3.2:

My phone is dead after the first night with DorimanX 3.2.

Battery drained completely empty from 100% to dead.

Now I have to charge the battery again instead of documenting the over-night battery usage stats.

I hope that I can find the culprit for draining my battery and preventing deep sleep ... while doing nothing.

I had wifi, GTalk, Skype running like every night.

Normal battery consumption is between 0,7 and 1,2 %/hour.

EDIT:

last_kmsg doesn't show any culprit and battery stats are empty.

Will wipe cache and Dalvik cache again and re-do the test.
[Galaxy S II General] pilgrim011:
Maybe l2_hsic wakelock - if he uses n7000 sources like GM used on 3.2.8.
[Galaxy S II General] It_ler:
Yes, had the same idea.

Tested during the day with custom ref in BBS and recognized a slightly higher wakelock for Seven (Z7).

Maybe there is a social hub/Google sync app preventing my phone from deep sleep.

Still examine the battery life and stats.

Will report my findings.
[Galaxy S II General] It_ler:
Another wiping cache and Dalvik cache could fix the complete draining during the night, but still very high battery consumption while doing nothing.

I think about aborting battery test for DorimanX 3.2, as its battery life is too bad on my phone to be a daily driver.
[Galaxy S II General] It_ler:
You are welcome to post your test results and experiences here.
[Galaxy S II General] hausmanis:
Ive used Wanamlite LPT togehter with pre rooted LPT stock rom for 3 battery cycles now, even tho i dont got nice numbers to show like you do, i can report that stability is nice, battery is good but ive had better, so looking forward to seeing your results with the siyah kernel
[Galaxy S II General] FeuchtVonLipwig:
you mean wanamlite lpt rom with pre rooted lpt stock "kernel" ?

/

im currently waiting for my phone to fully charge before i flash, but i will take 2 or 3 days before posting any results to let the changes settle for a while
[Galaxy S II General] hausmanis:
yeah my bad
[Galaxy S II General] FeuchtVonLipwig:
Okay im done with the flashing and the restoring of all my files and apps.

Setup now:

rom_ XWLPT

modem_ XXLQ6

kernel_ Siyah-s2-v4.0.1

poweredby_ 2000mAh

I totally agree with you that it feels super smooth. The menu navigation is pretty fast and responsive. Apps also run fine.

The next things that have i have to check in the next days are, the wlan and normal provider signal strengths (maybe ill have to flash another modem but it looks okay so far :) ) and the battery life of course :D . And i will also remove some bloatware apps with titanium backup that i dont need at all. But so far im really happy with it :good:
[Galaxy S II General] hausmanis:
"New phenomenal 6.0 based on speedmod k3-30(4.0.4). See phenomenal 5.1 for changes over speedmod and voltages."

testing it myself right now
[Galaxy S II General] It_ler:
SiyahKernel v4.0.1:

Exact same night use as stock XWLPT kernel with fantastic deep sleep and very good battery life.

Siyah v4.0.1: Battery loss of 0,77% per hour, Awake: 4,6%, Deep sleep: 95%

Now I am curious about its battery life in mixed usage.
[Galaxy S II General] maf1otul:
I'm using also SiyahKernel v4.0.1 with resurection remix 3.0.1:

Battery loss of 0,88% per hour, Awake: 10.5%, Deep sleep: 89%
[Galaxy S II General] It_ler:
SiyahKernel v4.0.1:

Good battery life in mixed usage.

Siyah v4.0.1: Battery loss of 1,92% per hour, Wifi: 100%, Awake: 16,5%, Deep sleep: 83%, Screen: 10,2% => loss*(1-screen): 1,72%

But it's a little bit worse than stock XWLPT and SpeedMod K3-30 kernel.
[Galaxy S II General] It_ler:
Phenomenal 6.0 Extreme:

I just flashed Phenomenal 6.0 Extreme kernel.

It is stable, smooth on my phone and everything seems to work fine (camera, bluetooth, wifi, sensors/auto-rotation, fm radio, etc.).

Good benchmark results ... for such an extremely undervolted kernel.

Some are nearly the same as stock XWLPT kernel (such as CF-Bench), some are very pure (such as NenaMark 2 - OpenGL), but others show new high scores (such as AnTuTu).
[Galaxy S II General] hughfollett:
It seems that we are running always on the same setup since you switched to LPT:) BTW, are you using the stock deodexed rom from wanam or the classic "odin" version?
[Galaxy S II General] It_ler:
I am using stock XWLPT ROM ... so it is odexed.
[Galaxy S II General] hausmanis:
Wanam LPT rom togheter with phenom 6.0 seemes reeeealy good sofar for me. At 72% battery after 8hours at work is rare for me

Will update this post after two batterycycles but it seems very promising
[Galaxy S II General] FeuchtVonLipwig:
also post a screen of your display ontime pls, i want to compare it to my results :)
[Galaxy S II General] It_ler:
Phenomenal 6.0 Extreme:

Excellent deep sleep and battery life in night use.

Phenomenal 6.0 Extreme: Battery loss of 0,76% per hour, Awake: 4,9%, Deep sleep: 95%
[Galaxy S II General] Anthony25:
Interesting tests, thanks !
[Galaxy S II General] auto_freak:
Thanks for your clear and precise feedback on the battery life of all these kernels especially the pure Sammy ones. I will wait for your latest SpeedMod analysis and eagerly anticipating your take on the mixed day and night usage over on Phenomenal Extreme 6.0. I just flashed it yesterday afternoon on WanamLite LPT ROM and it's been absolutely fantastic. Fabulous battery life and cant say how fast it is with that great ROM as well. No lag whatsoever and its so stable too. I think I may have found the best pair of Kernel and ROM finally!
[Galaxy S II General] It_ler:
Phenomenal 6.0 Extreme:

How ... best battery life n mixed usage ... since my "good old" XWLPD.

Phenomenal 6.0 Extreme: Battery loss of 1,65% per hour, Wifi: 100%, Awake: 16,9%, Deep sleep: 83%, Screen: 10,2% => loss*(1-screen): 1,48%

I love it. Have to create a nandroid backup of this system, so that I am able to come back to it.
[Galaxy S II General] It_ler:
SpeedMod K3-31:

I just flashed SpeedMod K3-31.

everything seems to work fine (camera, bluetooth, sensors/auto-rotate, wifi, fm radio, etc.).

It feels really smooth.
[Galaxy S II General] mubeenshahid:
Wanamlite XWLPT with siyah 4.0.1 is fast ,smooth and stable.Battery life seems to bad than XWLP8.

Have now flashed phenomenal 6.1.Will give results soon
[Galaxy S II General] hausmanis:
Wanam LPT rom with phenom 6.0 is the best batterylife i ever had. Trying phenomenal 6.1 now
[Galaxy S II General] celsowebmax:
Hi...

I use the Siyah Kernel and obtain more than 1 day of battery with 4200 of benchmark. This in Battery Mode, without modify any configurations !
[Galaxy S II General] It_ler:
SpeedMod K3-31:

In night use, it has a little bit worse battery life than SpeedMod K3-30 on my phone.

SpeedMod K3-31: Battery loss of 0,91% per hour, Awake: 5,4%, Deep sleep: 94%

Hope that its battery life in mixed usage will be better.
[Galaxy S II General] Addicted2Speed:
1st of all, congrataz for your work :cool: ...

When are you gonna try the new N.e.a.k 2.1.2x?!

:good:
[Galaxy S II General] It_ler:
Thanks for the suggestion.

Yes, latest N.E.A.K. is already on my "kernels-to-test" list.
[Galaxy S II General] It_ler:
SpeedMod K3-31:

Its battery life in mixed usage is very good.

SpeedMod K3-31: Battery loss of 1,69% per hour, Wifi: 100%, Awake: 15,7%, Deep sleep: 84%, Screen: 10,2% => loss*(1-screen): 1,52%

A little bit better than SpeedMod K3-31.
[Galaxy S II General] It_ler:
Phenomenal 6.1 Extreme:

I just flashed Phenomeal 6.1 Extreme on my stock XWLPT ROM.

Everything seems to work fine (camera, wifi, bluetooth, sensors/auto-rotate, fm radio, etc.).

It is stable an smooth on my phone.

Benchmark results are nearly the same as for Phenomenal 6.0.

Now let's have a look at its battery life.
[Galaxy S II General] It_ler:
Phenomenal 6.1 Extreme:

It has the same battery life in night use like SpeedMod K3-31.

Phenomenal 6.1 Extreme: Battery loss of 0,92% per hour, Awake: 5,4%, Deep sleep: 94%

Maybe there will be a difference in mixed usage.
[Galaxy S II General] It_ler:
Phenomenal 6.1 Extreme:

Best battery life in mixed usage on my phone ... since my "good old" XWLPD.

Phenomenal 6.1 Extreme: Battery loss of 1,58% per hour, Wifi: 100%, Awake: 15,9%, Deep sleep: 84%, Screen: 10,2% => loss*(1-screen): 1,42%

Seems to be a very good combination: Phenomenal 6.1 Extreme on XWLPT stock ROM.

I think I will re-do the test on a second battery cycle. Just to be sure.
[Galaxy S II General] It_ler:
Phenomenal 6.1 Extreme:

Better battery life in night use of second battery cycle.

Phenomenal 6.1 Extreme: Battery loss of 0,88% per hour, Awake: 4,5%, Deep sleep: 95%

I will keep a nandroid backup of this system.
[Galaxy S II General] It_ler:
Phenomenal 6.1 Extreme:

It has better battery life for night use in every new battery cycle.

Phenomenal 6.1 Extreme: Battery loss of 0,68% per hour, Awake: 4,4%, Deep sleep: 95%

I will try to update its mixed usage battery life and then continue my kernel tests.
[Galaxy S II General] hausmanis:
Real strange. But its the same for me also
[Galaxy S II General] It_ler:
Phenomenal 6.1 Extreme:

On the second battery cycle, its battery life in mixed usage is the best I ever had on my phone.

Phenomenal 6.1 Extreme: Battery loss of 1,39% per hour, Wifi: 100%, Awake: 14,5%, Deep sleep: 85%, Screen: 10,1% => loss*(1-screen): 1,25%

It is even better than on my "good old" stock XWLPD.

Great combination on my phone for my usage: Phenomenal 6.1 Extreme on stock XWLPT ROM.
[Galaxy S II General] Gillion:
OK so I got a JDI WBLP5 4.0.4 update via kies ... Sam mobile reports it as 4.0.3 (silly typo)

What I want to know is if this 4.0.4 is mroe recent than XWLPT because its LP5 ?

Ohh ... and how do you restore google search... I live in the latin american region so smasung crippled google search because of apple.
[Galaxy S II General] It_ler:
You got a PM.

WBLP5 has a newer release date, but I doubt that it has many changes compared to XWLPT ROM.

Local search feature in Google search was automatically back in stock XWLPT ROM - I restored nothing.

Feel free to report back your experiences with stock WBLP5 ROM.