Database Users

[REF] All ICS ROMs Benchmarked

Results in Google Docs Spreadsheet
All ICS ROMs Benchmarked
Any regular visitors to this thread can't have failed to notice the big changes in the spreadsheet. In particular I've been studying the effect of the kernel the ROM developer includes. If you look at column H, you will see whether I recommend flashing another kernel to improve performance at stock speeds.
REMEMBER: Performance is not everything! Many custom kernels provide extra features!
If you do decide to switch kernels, and only desire stock speeds and a reduced feature set, I recommend two kernels in this post.
If you are new to this stuff read this.
SUMMARY OF RESULTS
#1st place: Pixel ROM 1.72
#2nd place: CyberGR-MOD|NS.NGN ICS v10 HYBRID
#3rd place: MIUI Catalyst 2.4.6
#4th place: AOSP+ N.5
#5th place: [MIUI][2.4.6] Oodie pRiMe rOcket fUeled
Where do I find all these wonderful ROMs?
Their XDA threads are all linked in the table, so click through to discover each ROM's feature set, included apps, theme, and evidence of good karma!
Looking for a Gingerbread ROM? Try this.
Where did all your other benchmarks go?
Kernel Features & Benchmarks: this thread
Battery drain: this thread
CPU Governors and I/O Schedulers: this thread
Power Saving Governors: this thread
Thanks to all the developers.

Testing Methodology
Each ROM is clean installed, allowed its own default settings, then all benchmark software is installed and run once the system is settled. I also perform one screen off screen on, just out of habbit (this used to resolve a graphics bug in gingerbread, which I'm not even sure exists in ICS). All results are recorded in the spreadsheet. Then I restart in recovery, wipe cache and dalvic (thanks morfic for dalvic wiper) and install morfic's T132-I kernel. Reboot, use nstools to select performance (default I/O scheduler for morfic's kernel is deadline). Reperform all benchmarks, recording them in the spreadsheet. The calculation for the overall CPU RAM I/O and GRAPHICS scores is identical to the one I use in my kernel benchmarking spreadsheet. Please refer to that thread for more detail. However, there is one difference. Quadrant behaves very differently in different ROMs depending on what graphics tweaks they incorporate. As such, no Quadrant scores are used in this ROM benchmarking study. For more details, see under 'Graphics' below.
The final step was to average out the results of both kernel scores, and ranking on that basis. Some would say that they are best ranked by looking at T132 scores only. I would say that is a fair point, and definitely worth consideration.
There are two reasons I incorporate the default kernel score:
1) Overall scores have a worst case scenario accuracy of within 2% of the true mean due to variability in the benchmarks (more detail on how I obtain this figure is available in my kernel benchmarking thread). For normally distributed data (which we can safely assume these benchmarks produce) averaging two sets of results will result in doubling the accuracy to within 1% of the true mean, making the ranking more reliable.
2) Combining the default kernel Scores for ROMs that used a poor performing kernel, or selected bad governor/scheduler combinations by default will suffer as a consequence. These problems can be solved if the user flashes their own preferred kernel and/or adjusts the kernel settings. However, many new users will not perform this step. For that reason, I want to give a score that at least somewhat reflects the performance as the developer intended.
-Graphics
One of the early findings is selecting force GPU rendering in the developer options improves 2D performance, in Quadrant only. Also, and only in Quadrant, 3D performance can be improved by deleting or moving /system/lib/egl/libGLES_android.so using root explorer or equivalent. These tweaks/hacks do not seem to affect other benchmarks in the slightest.
Because of the bizarre effects of these tweaks on Quadrant scores, I have removed them from the formula that calculates the overall GFX score, and this in turn impacts the overall average score. In short, it makes comparing each ROM's score fairer.
You can see evidence of how the graphics tweaks make Quadrant behave differently at the bottom of the spreadsheet, highlighted in light red. The host ROM for this particular comparison was DianXin or DX ROM for short. This is a reference to a post I make in DX ROMs thread, where I first decide that removing Quadrant is the best option: http://forum.xda-developers.com/showpost.php?p=22323688&postcount=194
-Android 4.0.1
These ROMs (at the bottom of the spreadsheet, highlighted in light red) were based on early maguro ports provided by koush. I have left them in, because although they are difficult to compare to 4.0.3 builds with the correct drivers and whatnot, they do compare to each other in one important respect: the kernel. One is stock, the other is built by eugene373 (galaxy nexus/nexus s dev.) Using eugene373's kernel, CPU, I/O, and Graphics were all raised to a high standard that is on a par, or above some of the current ROMs. This goes to show that a customised kernel can offer great benefits, even on a ported ROM.
-Android 4.0.4
As of the 5th of February, my table contains all the ICS ROMs that are listed in the XDA forums. There was only one 4.0.4 version at the time, and this was the best performing in the benchmarks. When the source code is released, I'm sure many ROMs will update. At this point they will benefit from increased RAM scores and javascript performance. If all the ROMs scores improve by the same proportion, the rankings will not be affected. I will attempt to included major releases, but I will not reperform these tests every time there is a new nightly.

Reserved 4

Reserved 3

Thanks
I was waiting for this
It might lead to troll wars though
By the way, i dont see Pete ICS rom in there, im using it.

Ibn Saeed said:
Thanks
I was waiting for this
It might lead to troll wars though
By the way, i dont see Pete ICS rom in there, im using it.
Click to expand...
Click to collapse
Thanks, and no troll wars please y'all.

Don't you think "popularity" is going a little too far? It will definitely lead to fights...all the devs are good and I don't think prominence is a good indicator of a good rom
But it's up to you
Sent from my Nexus S using XDA App

Personally, benchmarks are very misleading... Some of the most stable and well developed roms don't get the greatest scores because they weren't made with benchmarks in mind.
Sent from my Nexus S 4G using xda premium

Another great work! Thanks
Sent from my Nexus S using XDA App

mathkid95 said:
Don't you think "popularity" is going a little too far? It will definitely lead to fights...all the devs are good and I don't think prominence is a good indicator of a good rom
But it's up to you
Sent from my Nexus S using XDA App
Click to expand...
Click to collapse
just remember, popular doesnt mean better. but to get angry at the truth(whatever it might be) is just silly. its lies that you should be upset with.

Where's Peter Alfonso's ROM? Bugless Beast is a mainstream rom, second only to Cyanogenmod in scope and breadth.. The ROM thread is in the General forum, because he links to his page at Rootzwiki, but it's a more prominent ROM than many you've listed.
Please include it in the benchmarking as well.
Sent from my Nexus S using Tapatalk

http://forum.xda-developers.com/showthread.php?t=1430170
you didn't add and test this one

please add pete ics bugless beast.

Omissions fixed!
UPDATE: kwiboo's project removed, was an SDK port. So so tired now, got to sleep. Tomorrow begin again with Brainmaster's tweaked ICS

Which kernel is used to make the tests?
-----
Forget It...
"I'll be benchmarking them twice with whatever kernel they come with, and then with morfic's bare boned T132"

biotecsoul said:
Which kernel is used to make the tests?
Click to expand...
Click to collapse
Read the op.
Sent from my Nexus S 4G using xda premium

u could also add overnite battery drainage column with sync on or somethin like that, if not overnite then a period of 2 hrs idle .. how much does it drain ..

Holy **** man, what would it be if the NS comunity didnt have you??
Thumbs up!!!!
Sent from my Nexus S using xda premium

thegtfusion said:
Holy **** man, what would it be if the NS comunity didnt have you??
Thumbs up!!!!
Sent from my Nexus S using xda premium
Click to expand...
Click to collapse
Haha, that makes me feel good. Wait, Benchmarks > XDA thread > Positive XDA user feedback > Dopamine release = Addiction to benchmarking? Time to join crackflashers anonymous...

mathkid95 said:
Don't you think "popularity" is going a little too far? It will definitely lead to fights...all the devs are good and I don't think prominence is a good indicator of a good rom
But it's up to you
Sent from my Nexus S using XDA App
Click to expand...
Click to collapse
I doubt it would lead to fights between devs, well hopefully not. I can see users arguing stuff more than devs.
Benchmarks aren't that good anways.
BTW, your kernel sucks!!!!
Just kidding been running smoothly since I started using it the other day
-----------
Thanks for the ratings system. Looks nice!

[REF] HOT or NOT

I've created hundreds of goo.gl shortened urls during all my Nexus S benchmarks. Google provides handy stats! So here is a breakdown of the number of clicks each url gets per day (to the nearest whole number):
The Top Twelve
#1 My ICS ROMs benchmark spreadsheet
245 clicks/day: http://goo.gl/QuVzY
#2 My Battery Drain benchmark spreadsheet
112 clicks/day: http://goo.gl/nB35b
#3 The XDA thread for my kernel features & benchmarks
65 clicks/day: http://goo.gl/mpeHI
#4 My Kernel I/O Scheduler + Governor Combo benchmark spreadsheet
62 clicks/day: http://goo.gl/iJXWI
#5 nuhetri-reloaded 4.0.4 ROM XDA thread
40 clicks/day: http://goo.gl/DROVu
#6 My Power Saving Governor spreadsheet
34 clicks/day: http://goo.gl/ThVzX
#7 My ICS ROMs XDA thread
27 clicks/day: http://goo.gl/jlumJ
#8 CyanogenMod 9 XDA thread
18 clicks/day: http://goo.gl/VnqjG
#9 Slim ICS ROM XDA thread
18 clicks/day: http://goo.gl/vyll4
#10 droidphile's XDA thread on kernel modules
10 clicks/day: http://goo.gl/SQfj2
#11 evilisto's XDA thread for his GSM port of ICS 4.0.4
10 clicks/day: http://goo.gl/FDD8l
#12 morfic's download site "DerKernel.com" for Trinity kernels
10 clicks/day: http://goo.gl/bklRn

i keep a watch on all my goo.gl link stats too, its very handy and informative. google does a good job tracking everything.

UPDATE: Reworked the stats to reflect click density rather than total clicks. Updated to reflect all clicks since urls were first generated, up to this date (27FEB). Extended to top twelve (used to be top ten). I include bold highlighting for the links that aren't to anything I created.

what's the difference between bold-ed and non-bold-ed?
good job mate...

triosakti said:
what's the difference between bold-ed and non-bold-ed?
good job mate...
Click to expand...
Click to collapse
With the bold I'm trying to bring extra attention to the links that are NOT my work.
You have to go to one of my threads or spreadsheets before you can find the other links!
It's nice to see links for my stuff getting clicks, but I think it's more useful to XDA users to see what other things are popular or interesting to other users.
I'm the one person who voted to remove my links!

your ICS ROMS and Kernel benchmarking were really helpful.
thanks man

1ProudEgyptian said:
your ICS ROMS and Kernel benchmarking were really helpful.
thanks man
Click to expand...
Click to collapse
You're welcome! I was doing it anyway, so I thought, "why not share?"

Half of the clicks number on your threads are mine
Just kidding buddy. Your benchmarks are so important and too helpful for all the community
Any new benchmarks in the horizon?

tchaari said:
Half of the clicks number on your threads are mine
Just kidding buddy. Your benchmarks are so important and too helpful for all the community
Any new benchmarks in the horizon?
Click to expand...
Click to collapse
I just realised that int voltages affect the bus/gpu. I tested the bus (no effect to uv) but never tested the gpu.
I'm going to do it using harbb's method over the next couple of days.

Hydracore kernel discussion thread

OK guys we seem to be cluttering up the dev thread with idle chitchat and rubbish. Lets move all that here and clean it before the mods have to. If u have a question just ask and I am sure someone else will be running that rom ad can help.
Full credits to Gavin for this fantastic kernel
Link to kernel thread http://forum.xda-developers.com/showthread.php?p=28245219
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Press thanx if u find this helpfull
Sent from my GT-N7000 using Tapatalk 2
PS people please don't clog the thread with quadrant scores as they really do not mean anything with the devices we use now. Just another way of saying I can fry my phone faster or my Willy is bigger than yours. Thanx

Thanx for this as i was going to open this.but found this one.:thumbup:
Swyped From My AOKP JB.

I was looking for this thread just now, was running the latest PA JB rom but it wasn't butter smooth... untill I flashed this kernel.
Damn, it's like having a new phone, unbelievable how it changed the responiveness of my Note.
Great work!

sahilarora2003 said:
Thanx for this as i was going to open this.but found this one.:thumbup:
Swyped From My AOKP JB.
Click to expand...
Click to collapse
Glad u found it. Don't want mods closing dev thread.
Sent from my GT-N7000 using Tapatalk 2

Anyone tried with miui v4? I had 2.8.31 installed.
Sent from my GT-N7000 using Tapatalk 2

What base rom is that miui v4 based on?

First of all, wonderfull kernel. It rocks on stock rom LRK. Really the best kernel I've ever tested. Thank you very much g.lewarne for sharing your work with us.
But I have one question, maybe someone can explain this:
I don't really understand what does Voltgroups are used for. I mean what is the difference between groups ? Is there a better group for overclocking, such things...
Thanks

sswagonman said:
OK guys we seem to be cluttering up the dev thread with idle chitchat and rubbish. Lets move all that here and clean it before the mods have to. If u have a question just ask and I am sure someone else will be running that rom ad can help.
Full credits to Gavin for this fantastic kernel
Press thanx if u find this helpfull
Sent from my GT-N7000 using Tapatalk 2
Click to expand...
Click to collapse
thanks swagonman., just what we needed
maybe we can include a link to the main thread in the OP and a note on where the devlopment stands , latest version / known bugs etc ?

rraaka said:
thanks swagonman., just what we needed
maybe we can include a link to the main thread in the OP and a note on where the devlopment stands , latest version / known bugs etc ?
Click to expand...
Click to collapse
Great stuff will do now
Sent from my GT-N7000 using Tapatalk 2

lebaron90 said:
First of all, wonderfull kernel. It rocks on stock rom LRK. Really the best kernel I've ever tested. Thank you very much g.lewarne for sharing your work with us.
But I have one question, maybe someone can explain this:
I don't really understand what does Voltgroups are used for. I mean what is the difference between groups ? Is there a better group for overclocking, such things...
Thanks
Click to expand...
Click to collapse
From what I recall in the original thread, Gavin explained there are three voltage groups A, B and C. There is only one on your Note, and it is dependent on the hardware of the phone. I have B which seems to be relatively stable (hope I don't jinx myself). You cannot change the voltage group.
Gavin used this information to set voltages for each CPU by gathering info from many users in each group. Some groups require higher minimum voltage than others.
If you search the HydraCore development thread and look at the first three or four posts that match you should find Gavin's very good explanation - he is a great explainer. :good:

sswagonman said:
OK guys we seem to be cluttering up the dev thread with idle chitchat and rubbish. Lets move all that here and clean it before the mods have to. If u have a question just ask and I am sure someone else will be running that rom ad can help.
Full credits to Gavin for this fantastic kernel
Link to kernel thread http://forum.xda-developers.com/showthread.php?p=28245219
Press thanx if u find this helpfull
Sent from my GT-N7000 using Tapatalk 2
Click to expand...
Click to collapse
This was great idea,thanks...:good:

TempusFudgeIt said:
From what I recall in the original thread, Gavin explained there are three voltage groups A, B and C. There is only one on your Note, and it is dependent on the hardware of the phone. I have B which seems to be relatively stable (hope I don't jinx myself). You cannot change the voltage group.
Gavin used this information to set voltages for each CPU by gathering info from many users in each group. Some groups require higher minimum voltage than others.
If you search the HydraCore development thread and look at the first three or four posts that match you should find Gavin's very good explanation - he is a great explainer. :good:
Click to expand...
Click to collapse
precisely correct!
Each Note seems to contain one of 3 motherboard / cpu revisions. The kernel is able to detect which version is present, and selects the appropriate cpu voltage table for it. As Tempus said, you cannot change voltage groups, the information is there simply to aid myself in voltage adjustments.
Originally it was implemented so I could gather stability reports from many users with different versions. Since I have a Group B i was only ever able to test voltages for Group B phones. Once we knew thow the groups worked, other users were then able to experiment with Tegrak overclock is finding the lowest stable voltages, and over time i built up a pretty good spreadsheet of voltage groups / frequencies and stable minimum voltages.
I then simply increased the average minimum voltages a little (for stability) and put the tables in the kernel.
Since then, there isnt an awful lot of need for knowing the voltage groups, but its a neat little feature so i kept it
:good:
It does have perhaps one useful feature for the users, if you do as stated in my Kernel thread OP and install STD first (as this will work for everyone) you can determine the likelyhood of you being able to run the OC/UV kernel
If you have a Group A it is unlikely the OC kernel will work stably for you (but it does for some)
If you have a Group B it is highly likely that the OC kernel will work for you without stablilty issues
If you have a Group C is is almost guranteed than you can run OC without any problems
anagin, each phone is different and ymmv

TempusFudgeIt said:
From what I recall in the original thread, Gavin explained there are three voltage groups A, B and C. There is only one on your Note, and it is dependent on the hardware of the phone. I have B which seems to be relatively stable (hope I don't jinx myself). You cannot change the voltage group.
Gavin used this information to set voltages for each CPU by gathering info from many users in each group. Some groups require higher minimum voltage than others.
If you search the HydraCore development thread and look at the first three or four posts that match you should find Gavin's very good explanation - he is a great explainer. :good:
Click to expand...
Click to collapse
Thansk for the answer.
In fact, I've searched the Hydracore thread and even the whole forum but I didn't manage to find something really clear about these volt groups.
I figure that the lower voltage the hardware needs, the better it will be for overclocking but I don't know wich group needs less or higher voltage. In fact is it worth or not to use the OC version with for example group A, or it isn't because the CPU overheat and slow down frequency by itself.
Edit: just saw you response Gavin, thanks for the explanation. So, to conclude, for common user like me, if the kernel is working without problems or FC, I don't really have to bother much about these groups

lebaron90 said:
Thansk for the answer.
In fact, I've searched the Hydracore thread and even the whole forum but I didn't manage to find something really clear about these volt groups.
I figure that the lower voltage the hardware needs, the better it will be for overclocking but I don't know wich group needs less or higher voltage. In fact is it worth or not to use the OC version with for example group A, or it isn't because the CPU overheat and slow down frequency by itself.
Edit: just saw you response Gavin, thanks for the explanation. So, to conclude, for common user like me, if the kernel is working without, I don't really have to bother much about these groups
Click to expand...
Click to collapse
lol we keep typi8ng at the same time
Yeah dont worry about the voltage groups if kernel running fine.

g.lewarne said:
lol we keep typi8ng at the same time
Yeah dont worry about the voltage groups if kernel running fine.
Click to expand...
Click to collapse
Whts the best governer settings gavin?
Im using lulzactive with noop
Wht u suggest ?
Swyped From My AOKP JB.

sahilarora2003 said:
Whts the best governer settings gavin?
Im using lulzactive with noop
Wht u suggest ?
Swyped From My AOKP JB.
Click to expand...
Click to collapse
why is lulzactive so popular?
To answer your question the best governors and schedulers are the kernel defaults
OnDemand and Noop.
OnDemand is a tuned version, and for me gives the best battery life and real world performance
I would also rate governors as such
OnDemand > PegasusQ > Adaptive > Everything else
and schedulers
Noop > SIO > Deadline > Everything else

sahilarora2003 said:
Whts the best governer settings gavin?
Im using lulzactive with noop
Wht u suggest ?
Swyped From My AOKP JB.
Click to expand...
Click to collapse
I use lulzactive and vr. Vr can b a bit harsh sometimes and give reboobs (TM chasmodo) so sio is another good option with lulzactive
Really the best thing to do is try different combinations till u find what u r looking for
Sent from my GT-N7000 using Tapatalk 2

Reverese

g.lewarne said:
why is lulzactive so popular?
Click to expand...
Click to collapse
probably just because of its name !

I get around 3hr of screen time mostly web browsing and regular social stuf with std hydracore... what about you guys ?!
Sent from my JB Note using xda app-developers app

HTC_One_M8 kernel discussion thread

Here is the awesome Sense 8 Transformation Mod for S.Rom JW 5.4.0 by @krazie1.
I know this isn't kernel related but i felt this was so awesome it deserved an op. Enjoy!!!
Credit to sun_dream & topjohnwu for such an incredible rom. Credit to topjohnwu for Sense 7 UI.
-Added Sense 8 Backup
-Added Sense 8 PowerStripWidget
-Added Sense 8 Setup Wizard
-Added Sense 8 Data Usage
-Added Sense 8 Car
-Added Sense 8 Browser
-Added Sense 8 Calendar
-Added Sense 8 Flashlight
-Added Sense 8 Gallery
-Added Sense 8 Home
-Added Sense 8 HTC Advantage
-Added Sense 8 Dialer
-Added Sense 8 EPS Launcher
-Added Sense 8 File Manager
-Added Sense 8 Lockscreen
-Added Sense 8 Power Manager
-Added Sense 8 RingtoneTrimmer
-Added Sense 8 Sound Recorder
-Added Sense 8 Voice
-Added Sense 8 Weather
-Added Sense 8 Mail
-Added Sense 8 Message
-Added Sense 8 Settings
-Added Sense 8 SystemUI (Fixes from Andybones, Thanks)
-Added Sense 8 Touchpal
-Added Sense 8 Wifi Hotspot
-Added Sense 8 Clock
-Added Sense 8 Sounds
-Added Sense 8 Bootanimation
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"lightbox_toggle_sidebar": "Toggle sidebar"
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Hey everyone, here is another update to the Sense 8 Mod for S.Rom JW 5.4.0. This includes updated apps, that's it. Full Changes below:
Credit to sun_dream & topjohnwu for such an incredible rom.
-Added HTC Boost+ 1.50.792952
-Updated HTC Calendar 8.20.776481
-Updated HTC File Manager 7.70.777529
-Updated HTC Sense Home 8.14.781908
-Updated HTC Weather 8.00.786932
https://www.androidfilehost.com/?fid=24651430732236373
Sense 7 QuickSettings Mod for S.Rom JW 5.4.0
-Sense 7 Quicksettings
-Sense 7 Recents
-Small AM/PM
DOWNLOAD:
https://www.androidfilehost.com/?fid=24651430732234783

Hi guys I thought I'd start this thread so we can talk about anything kernel related, this can be anything from battery to benchmarks to trouble shooting or best setups for hotplugs governors or schedulers.
I hope this may be a friendly and helpful thread with anyone welcome to contribute.
Massive thanks to @LeeDroid for am amazing rom.
Thanks also to @lyapota
Thanks @flar2
Thanks @MassStash
Thanks @PwnCakes193
Thanks @Evolutionmods
Thanks @clumsy1991
I'd also like to thank all the people involved in the threads used for the info.
More thanks to follow...
[quote name="JellyKitkatLoli" post=60504903]Since there's so much kernel talk on this thread I am just going to sum this for once and all at least of today.
Disclaimer : The organization Performance>Battery goes by how it is right from the box, No kernel APPs, no anything, just defult settings the kernels come with and what you should expect from those, however they are also a great guideline to know what you're going to get primarily, even after tweaking, This is based on My experience along with other User's from the Kernel's respective threads and from different ROM threads.
Best performance : https://www.androidfilehost.com/?fid=95916177934546156 And in case you're doubting here's a little peek from AnTuTu, Remember no tweaks
[Just for Reference, Stock is around 45k~46k.] , Daily usage is a bit faster too along with gaming, I suggest to add gboost and usbfast charge. However the battery life is like I've said down below IS lower than what it normally COULD be under the right tweaks [Compared to STOCK] but it still is a monstrous battery life (Compared to the other devices on the market hehe ), and if you LOVE [every other Kernel will only be less by what? 0.1 MS? This is for the powerusers] foresaid stuff such as gaming and multitasking this is the right choice .
Hybird going more towards performance : http://forum.xda-developers.com/htc-one-m8/orig-development/kernel-quantum-t2993647
All in one Hybrid : http://forum.xda-developers.com/htc-one-m8/orig-development/kernel-lonelyx-001-t2881605 Recommendation : Universal ramdisk
Hybrid : http://forum.xda-developers.com/showthread.php?t=2705613 / http://forum.xda-developers.com/htc-one-m8/development/kernel-hypernova1-3-0-t2955537 Alternative [Port] for CDMA Devices ; VZW&Sprint.
Best Battery life : http://themikmik.com/showthread.php?16336-KERNEL-SENSE-ALL-M8-VARIANTS-BeyondStockᵀᴹ-v2-1-0 - Read the thread and you'll understand why it has the best battery life, It's just stock with SUPPORT THAT YOU SHOULD HAVE, If you like STOCK kernel and wanna use MultiBoot this is the answer, Expect stock-like performance but a bit better battery.
Pick what you think is best for YOU, I have sorted it out based on performance > battery life (Furthermore all have great performance, SD Exceeds at that though.
My favorite Kernels Would be; Skydragon as I like squeezing my performance to the limit,Lyapota's kernel as it's working great overall but it can be iffy, BeyondStock since it's just the best solution for a roadwarrior and back2basic.
I would do the amount of bugs user's find and encounter however it's very user specific and mileage may vary, So sorting the kernels and organizing them by battery and performance is the best. [/QUOTE]
Thanks @JellyKitkatLoli
Code craft powerhouse kernel.
http://forum.xda-developers.com/showthread.php?t=3005669
ElementalX kernel.
http://forum.xda-developers.com/showthread.php?t=2705613
Leedroid kernel.
http://forum.xda-developers.com/showthread.php?t=3143448
Remember! Some kernels come with init.d scripts to set values at boot, you may want to check your init.d folder and delete old kernel scripts or you can just dirty flash your rom before flashing a new kernel.
Battery saving tips....
for those wanted to squeeze as much juice as they can out of our m8's.
In accounts and sync go to google and uncheck any syncs you don't need,
In developer options uncheck show animations and allow mock locations,
In display and gestures uncheck ambient display you can also turn off motion gestures if you don't need them and then of auto brightness,
set your brightness manually and try to keep it below 30%
Set screen off time out to 30 seconds or less.
In sound settings uncheck pocket mode, sounds and vibrate.
Turn off auto sync and auto rotate.
use HTC power saver, most of the time performance is perfectly adequate unless playing high end games in which case to can turn it off,
Set GPS to device only not battery saving google messed that up lol.
You can use app ops to deny wake up on syncing apps like google play services facebook and google + ect.
And of course use greenify to hibernate games and apps that are not in constant use,
it's not wise to hibernate sync apps like google+ and facebook and google services this leads to excessive wakelocks,
It's also not wise to hibernate system apps unless it's apps you can download from the playstore and they're not important.
Here is some great info on battery saving.
http://forum.xda-developers.com/showthread.php?t=2785128
Here some some info thanks to @MassStash about mako hotplug it's interesting reading if your looking to try different hotplugs.
http://forum.xda-developers.com/showthread.php?t=2532422
Some info on governors and schedulers again [email protected]
http://forum.xda-developers.com/showthread.php?t=1369817
I found this also it's pretty in depth.
http://forum.xda-developers.com/showthread.php?t=3048957
IMO best free kernel tuning app.
http://forum.xda-developers.com/showthread.php?t=2986129
Here is a modded Google Play services with less wakelocks.
http://forum.xda-developers.com/showthread.php?t=3078082
Some info on PVS.bin
Thanks @MassStash
http://forum.xda-developers.com/showthread.php?t=2807173
http://forum.xda-developers.com/showthread.php?t=2228246
Here's a guide on tweaking interactive governor
Thanks @ MassStash
http://forum.xda-developers.com/showthread.php?t=2769899
Here's a hack to disable multitasking restrictions on HTC phones.
http://forum.xda-developers.com/showthread.php?t=3039223
Here's a hack to increase fps for better performance.
http://forum.xda-developers.com/showthread.php?t=3108786
Here's a nice new tweak package you might want to try it does a nice job speeding things up thanks @leather.face"Golden Droid Tweaks" modified
for the - LeeDroid
http://forum.xda-developers.com/showthread.php?t=3240370

LeeDroid Rom kernel discussion.
Here is a modified version of elemental x with better memory management and zram and improved battery life. Thanks @alex6600
ElementalX repack
This repack of Flar2 ElementalX 7.00 kernel.
Changes:
* Add LZ4 compression/decompression
* LZ4 compression for zram (faster than default LZO)
* Multithreading compression for zram
* Memory/Math related function optimization
* Disabled some logging
* Changed compiler to Linaro 4.9.4 for Cortex A15 from Christopher83
Warning
Installer make some changes in /etc/fstab.swap file!
New file should looks like this*:
# Android fstab file for enabling zRAM on 2GB device
# zramsize is mandatory and indicates how much uncompressed memory you want the zram area to hold.
# Compression ratios in the 30-50% range are usually observed.
#
/dev/block/zram0 none swap defaults zramsize=858993460,swapprio=1000
Click to expand...
Click to collapse
* By default, m8 uses 800 MB swap.
Downloads:
New version of ElementalX repack 7.00.3.
This repack of Flar2 ElementalX 7.00 kernel.
Changes:
* GPU default freq 330MHz (like in stock). UI will be smoother.
* Improved compression algorithms
* Minor improvements
!!UPDATE!!
ElementalX repack 7.00.4.
This repack of Flar2 ElementalX 7.00 kernel.
Changes:
* Enabled KSM with HTC KSM Policy (improve power drop impact when KSM is on)
* Motorola's MSM memcpy enhancements
Download ElementalX repack 7.00.4
By default KSM is off. For enable/disable and tuning KSM parameters- use EX Kernel Manager from flar2.
For tuning tons of kernel parameters- I recommend to use EX Kernel Manager from flar2.

Thanks mate ?

Good deal!!! Did you try lONElyx yet?

bford152 said:
Good deal!!! Did you try lONElyx yet?
Click to expand...
Click to collapse
Been on it for a while mate. I really like the customisation.

LeeDroid said:
Thanks mate ?
Click to expand...
Click to collapse
I thought I'd try and take some strain off lol.

Using lonelyx and pretty satisfied...

bford152 said:
Good deal!!! Did you try lONElyx yet?
Click to expand...
Click to collapse
I also recently tried hyper but had sooner minor issues so I reverted to lyapota for these time being.

elandroido said:
Using lonelyx and pretty satisfied...
Click to expand...
Click to collapse
It's an awesome kernel for testing purposes.

JellyKitkatLoli said:
Since there's so much kernel talk on this thread I am just going to sum this for once and all at least of today.
Disclaimer : The organization Performance>Battery goes by how it is right from the box, No kernel APPs, no anything, just defult settings the kernels come with and what you should expect from those, however they are also a great guideline to know what you're going to get primarily, even after tweaking, This is based on My experience along with other User's from the Kernel's respective threads and from different ROM threads.
Best performance : https://www.androidfilehost.com/?fid=95916177934546156 And in case you're doubting here's a little peek from AnTuTu, Remember no tweaks
http://i.imgur.com/wC5UMuZ.png [Just for Reference, Stock is around 45k~46k.] , Daily usage is a bit faster too along with gaming, I suggest to add gboost and usbfast charge. However the battery life is like I've said down below IS lower than what it normally COULD be under the right tweaks [Compared to STOCK] but it still is a monstrous battery life (Compared to the other devices on the market hehe ), and if you LOVE [every other Kernel will only be less by what? 0.1 MS? This is for the powerusers] foresaid stuff such as gaming and multitasking this is the right choice .
Hybird going more towards performance : http://forum.xda-developers.com/htc-one-m8/orig-development/kernel-quantum-t2993647
All in one Hybrid : http://forum.xda-developers.com/htc-one-m8/orig-development/kernel-lonelyx-001-t2881605 Recommendation : Universal ramdisk
Hybrid : http://forum.xda-developers.com/showthread.php?t=2705613 / http://forum.xda-developers.com/htc-one-m8/development/kernel-hypernova1-3-0-t2955537 Alternative [Port] for CDMA Devices ; VZW&Sprint.
Best Battery life : http://themikmik.com/showthread.php?16336-KERNEL-SENSE-ALL-M8-VARIANTS-BeyondStockᵀᴹ-v2-1-0 - Read the thread and you'll understand why it has the best battery life, It's just stock with SUPPORT THAT YOU SHOULD HAVE, If you like STOCK kernel and wanna use MultiBoot this is the answer, Expect stock-like performance but a bit better battery.
Pick what you think is best for YOU, I have sorted it out based on performance > battery life (Furthermore all have great performance, SD Exceeds at that though.
BEST KERNEL EVER THOUGH : LEEDROID LINK : https://www.youtube.com/watch?v=oHg5SJYRHA0 @LeeDroid I would be glad if you would add this to your first post or something so people would actually look at this and take something that fits thier needs.
My favorite Kernels Would be; Skydragon as I like squeezing my performance to the limit,Lyapota's kernel as it's working great overall but it can be iffy, BeyondStock since it's just the best solution for a roadwarrior and back2basic.
I would do the amount of bugs user's find and encounter however it's very user specific and mileage may vary, So sorting the kernels and organizing them by battery and performance is the best.
Click to expand...
Click to collapse
Think this quote belongs here

smeejaytee said:
It's an awesome kernel for testing purposes.
Click to expand...
Click to collapse
Testing? I actually don't wanna test. I just want a stable kernel capable of HD audio. That's why I chose lonelyx. You think I could have a better choice?

JellyKitkatLoli said:
Think this quote belongs here
Click to expand...
Click to collapse
Thank you was going to say I might need your help in this one lol.

JellyKitkatLoli said:
Think this quote belongs here
Click to expand...
Click to collapse
How do I get this moved to the op I wonder.

Nice idea here dude so what setup is every1 using?

smeejaytee said:
How do I get this moved to the op I wonder.
Click to expand...
Click to collapse
You could quote it and use hide
JellyKitkatLoli said:
Since there's so much kernel talk on this thread I am just going to sum this for once and all at least of today.
Disclaimer : The organization Performance>Battery goes by how it is right from the box, No kernel APPs, no anything, just defult settings the kernels come with and what you should expect from those, however they are also a great guideline to know what you're going to get primarily, even after tweaking, This is based on My experience along with other User's from the Kernel's respective threads and from different ROM threads.
Best performance : https://www.androidfilehost.com/?fid=95916177934546156 And in case you're doubting here's a little peek from AnTuTu, Remember no tweaks
http://i.imgur.com/wC5UMuZ.png [Just for Reference, Stock is around 45k~46k.] , Daily usage is a bit faster too along with gaming, I suggest to add gboost and usbfast charge. However the battery life is like I've said down below IS lower than what it normally COULD be under the right tweaks [Compared to STOCK] but it still is a monstrous battery life (Compared to the other devices on the market hehe ), and if you LOVE [every other Kernel will only be less by what? 0.1 MS? This is for the powerusers] foresaid stuff such as gaming and multitasking this is the right choice .
Hybird going more towards performance : http://forum.xda-developers.com/htc-one-m8/orig-development/kernel-quantum-t2993647
All in one Hybrid : http://forum.xda-developers.com/htc-one-m8/orig-development/kernel-lonelyx-001-t2881605 Recommendation : Universal ramdisk
Hybrid : http://forum.xda-developers.com/showthread.php?t=2705613 / http://forum.xda-developers.com/htc-one-m8/development/kernel-hypernova1-3-0-t2955537 Alternative [Port] for CDMA Devices ; VZW&Sprint.
Best Battery life : http://themikmik.com/showthread.php?16336-KERNEL-SENSE-ALL-M8-VARIANTS-BeyondStockᵀᴹ-v2-1-0 - Read the thread and you'll understand why it has the best battery life, It's just stock with SUPPORT THAT YOU SHOULD HAVE, If you like STOCK kernel and wanna use MultiBoot this is the answer, Expect stock-like performance but a bit better battery.
Pick what you think is best for YOU, I have sorted it out based on performance > battery life (Furthermore all have great performance, SD Exceeds at that though.
My favorite Kernels Would be; Skydragon as I like squeezing my performance to the limit,Lyapota's kernel as it's working great overall but it can be iffy, BeyondStock since it's just the best solution for a roadwarrior and back2basic.
I would do the amount of bugs user's find and encounter however it's very user specific and mileage may vary, So sorting the kernels and organizing them by battery and performance is the best.
Click to expand...
Click to collapse
Like this
Or do this Reply>copy the post from the
(I've fixed something, so Lee won't get mentioned everytime)

elandroido said:
Testing? I actually don't wanna test. I just want a stable kernel capable of HD audio. That's why I chose lonelyx. You think I could have a better choice?
Click to expand...
Click to collapse
I think lyapota had the best sound quality I've heard in a kernel TBH. Better choice is your opinion I can only say try them out and make your decision, there is a kernel guide in the op now mate, it should explain a few things.

BioAlien said:
Nice idea here dude so what setup is every1 using?
Click to expand...
Click to collapse
At the moment I'm running stock like settings but planning to learn to tweak governors and such to customise my experience.

@smeejaytee ... thats about time someone in here figured this put ... thx a lot for this thread, mate ... looking forward to many hours in here compiling and refining our devices to utter perfection on top of the most perfect rom ever

I thought it might help there isn't really anywhere to talk about this stuff.

Benchmark Table Comparison - 3DMark and Geekbench 4.2

Hello and welcome!
This morning I began wandering the XDA ZUK Z2 forums, looking at all these new threads and posts. I'm really impressed with all the progress for the Z2 that developers have been making lately. So I decided to try a few new ROMs.
I have always found really interesting to test new ROMs, set them up, install everything back and then use the ROM for a few days to see how everything goes... Only to find out that a new feature has been released or a new version of the ROM I'm currently using and the process begins again, it's really cool :victory:
So today I picked a few ROMs, and decided to try them all, run a few benchs and write down the results. At the end I thought I could share the data gathered and perhaps we could get some idea of how these ROMs perform.
So the general process was the next:
Wipe everything but internal.
Flash ROM and ROM alone, no GAPPs, Magisk or MODs.
Wipe Dalvik and Cache (dev recommendation).
Shutdown from recovery, boot, install benchmark apps and restart.
Clear recents and begin benchmarks.
Notes:
TWRP used was latest official version.
Baseband is the latest official baseband for the chinese Z2.
ROM version was the latest as of yesterday.
Kept the phone above 40% battery, so battery charging was needed between ROM flashing from time to time.
Cooled phone between benchmarks, as to prevent throttling from affecting the benchmarks, however didn't add cooling when benchmarking.
Alright then! Let's get down to it!
Data:
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"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
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SSE: Sling Shot Extreme.
SSE scores: Overall scrore, graphics score, physics score. Ditto for Vulkan.
Geekbench 4 scores: Single core, multi core.
Geekbench 4 COM: Compute benchmark.
Now let's talk a bit about these numbers. As you can see Oreo ROMs get higher scores in both 3DMark and Geekbench benchmarks, with Cosmic getting the higher score in the Sling Shot Extreme OpenGL benchmark and Cypher in the Vulkan variant, although not by much. In Geekbench Jaguar leads with the higher score in both the single core and multi core test. Now look at every Oreo multi core score, it is higher than its Nougat counterpart, I wonder if this is in part because of the drivers or OS optimizations, however I also wonder how this shows, if it show at all, in real world usage.
I would like to note that if I'm not mistaken Jaguar had increased CPU frequencies, not sure about the GPU though, and that could be one factor for the increased scores, however OMNI got really close to Jaguar and again, if I'm not mistaken, Jaguar is based on OMNI. I would like to point that as the day passed the room temperature increased (hot day), so take the temp thresholds with a grain of salt. The battery percentage loss found in the table is that which 3DMark reported in the OpenGL test.
One thing is that even when the numbers varies from ROM to ROM the difference is not that huge (around 12% max in the multi core CPU test), and most importantly... how this translates to real world usage?
So perhaps you noticed the last column, Dolphin. I decided to install the latest Dolphin version and run The Legend of Zelda - Wind Waker intro screen and write down the highest and lowest FPS reported by the emulator. What we find is that the scores do not always reflect into the emulator FPS. Also there is a 'DoT' in almost all ROMs, what does that means? Well DoT stands for slowDown on Touch, yeah it makes no sense but it stuck. When running the emulator if the phone detects no input from the touch screen the FPS slow down by approximately 40%, that's what DoT means, I had to keep touching the screen to get full FPS, only on Citrus this was not the case, and I was getting full FPS with no input whatsoever.
So what all this means? Surely we always like to see higher numbers, I know do. But with time I have found that higher numbers are not necessarily better, or that it does not translate to better performance, battery life or SoT, stability, features, etc., for example in Oreo ROMs I always liked more how colors showed in the screen, even though we have KCAL in Nougat ROMs too. Also I ran these benchmarks only once, so they are not one hundred percent accurate. Usually more runs = more score accuracy, so take these with a grain of salt.
For fun I decided to OC the CPU when using Citrus 3.5, set Adreno boost to high (honestly don't know what it does just that it boosts something related to the GPU I guess haha) and even when the benchmarks didn't improve that much (actually it got a worse multi core CPU score) I got better Dolphin FPS, and that just proves my point.
And that was just one real world test which I think it's heavier on the CPU. I would like to test an intensive GPU game and get some data on that. Also, numbers don't say much when talking about customization and features, so to really feel a ROM you have to test it out yourself.
It would have been awesome if I had have the time to test more ROMs or kernels, I just picked some ROMs from the Telegram group and some here randomly. But! That means that there is more out there for you to try out! As I said in a post this morning: That just means you have a lot of options to choose from and have fun installing, customizing and using the ROMs in your phone.
So yeah, had fun doing this and wanted to share. A HUGE thanks to all the developers out there! Thank you for giving life to our device! :highfive:
EDIT. Please forgive my english, I'm still learning

Great info , thanks :fingers-crossed:

Cypher OS Oreo download link please!

sanketp60 said:
Cypher OS Oreo download link please!
Click to expand...
Click to collapse
Sure! It has the 'Now Playing' feature, really neat.
Download
Thanks to the Lenovo ZUK Z2 - Portal Telegram group for the link.

Avan7 said:
Sure! It has the 'Now Playing' feature, really neat.
Download
Thanks to the Lenovo ZUK Z2 - Portal Telegram group for the link.
Click to expand...
Click to collapse
Any bug around there in that rom?

suggestion for best gaming and battery friendly rom.

kashyapp said:
Any bug around there in that rom?
Click to expand...
Click to collapse
Actually I just installed and ran the benchmarks right away, so I couldn't really say about bugs or share an overall experience.
amit gaikwad said:
suggestion for best gaming and battery friendly rom.
Click to expand...
Click to collapse
I think the most battery friendly ROM would be stock. However custom ROMs keep improving, so that's awesome. Other than that, this was just an experiment to get some numbers therefore I can't really say about battery.
There are so many factors, like battery drain on light and moderate usage and heavy CPU and/or GPU usage, deep sleep, hpereat, stability, user experiencie, etc.
It is hard to measure these with benchmarks alone.

Fascinating post, thank you for doing this!! I just bought this device for 7k refurb (approx 100$), should easily last a year or more.
Would it be possible to do a run with the Pixel Experience rom? Or is that one similar to the other ones you've already done? Just doing my research on this device and the various roms, its blowing me away how much horsepower exists in this thing for the low price!

Whats Citrus 3.5 OC?
Link Anyone?

Thanks for the comparison. But I was wondering, AEX is arguably the most popular ROM for Z2, so why skip that one?

frozenfirevr said:
Thanks for the comparison. But I was wondering, AEX is arguably the most popular ROM for Z2, so why skip that one?
Click to expand...
Click to collapse
+1
Sent from my Z2 Plus using XDA Labs

sanketp60 said:
Whats Citrus 3.5 OC?
Link Anyone?
Click to expand...
Click to collapse
Citrus 3.5 by miju but with an OC applied with the custom Kernel Adiutor for the Z2
frozenfirevr said:
Thanks for the comparison. But I was wondering, AEX is arguably the most popular ROM for Z2, so why skip that one?
Click to expand...
Click to collapse
I understand and the reason is that I decided to try a batch of ROMs I hadn't tried before. I wanted to try many more, but time didn't allow it. Perhaps sometime close I'll do another run :fingers-crossed:

Very interesting! Thanks for your time.
Im considering to flash jaguar... im now on aex 5.2 but seems that jaguar is smoother and run good. Waiting for new latest builds to test this two and decide.

Avan7 said:
I understand and the reason is that I decided to try a batch of ROMs I hadn't tried before. I wanted to try many more, but time didn't allow it. Perhaps sometime close I'll do another run :fingers-crossed:
Click to expand...
Click to collapse
Cool, thanks. Mind sharing your experience with each of the ROM also, if you spent any time with them? Have you chosen any one?