Database Info

[APP] tegrak 2nd Core [ Enable Both Cores ]

ALL CREDITS TO ::::::: tegrak :::::::
**SAMSUNG GALAXY NOTE** NOW SUPPORTED
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You can set the CPU cores as dynamic hotplug mode, single core mode or fully dual core mode.
This provides easy and simple way to use.
[ Features ]
*Set on boot
Change mode what you selected automatically on boot time.
Menu > Settings
[ Modes ]
*Dynamic Hotplug Mode
Default. Recently, mobile multicore CPUs turn off extra core(s) to save battery life when system is not busy and only use 1 core.
They turn on extra core(s) when system is busy. so system use all cores again.
*Single Core Mode
Use 1 core always. A extra core is shut down. It makes battery life longer but performance is decreased. [ Battery saving, Idle mode, Phone not in use ]
*Dual Core Mode
Use 2 cores always. Performance is increased but battery life is shorter than others. [Example : Zip or Rar Extraction, Photo Editing App Fast Load ]
*Available kernels
- FM Kernel 1.5
- Abyss Kernel 3.1
- Tegrak Kernel Build 31 [ XXKL7]
- Tegrak Kernel Build 31 [XXKL8]
Download ::
Android Market
See more details.
http://tegrak2x.blogspot.com/2011/11/2nd-core.html
**** Kernel Developers ****
If you add support for tegrak's 2nd core, please update or post here so that i can update the kernel support.

Also please let me know here, if the app has helped you in any way, did it make your phone fly away or ... ???

tids2k said:
Also please let me know here, if the app has helped you in any way, did it make your phone fly away or ... ???
Click to expand...
Click to collapse
My Note is flying anyway...
So, i have seen this application and i have a question...What's the meaning of this??I mean...The only reason i can find it usefull is the one core mode that it can battery.But why someone to enable 2 cores all the time??The cores is auto enable when something ''heavy'' running in our device.Why to enable it when otherwise?
If i am wrong please light me up...
Anyway, thank u @tids2k for sharing.You are our researcher...

eliashadow said:
My Note is flying anyway...
So, i have seen this application and i have a question...What's the meaning of this??I mean...The only reason i can find it usefull is the one core mode that it can battery.But why someone to enable 2 cores all the time??The cores is auto enable when something ''heavy'' running in our device.Why to enable it when otherwise?
If i am wrong please light me up...
Anyway, thank u @tids2k for sharing.You are our researcher...
Click to expand...
Click to collapse
Benchmark testing, mostly, though it also adds a little "pop" to application launching and UI performance in some situations.

Examples updated

User Comment on Android Market:
And theoretically 2 cores are more efficient than 1 due to both running at a lower clocked speed than it would with 1 core.
Click to expand...
Click to collapse
At first I was thinking "right whatever mate" - but then I started thinking ... maybe bad idea?
Are there scenarios where this might be true? I'm not sure of by what order of magnitude power consumption goes up by when increasing clocks but I seem to recall my WinMo phone Xscales had an expoential increase - specifically doubling the speed of the processor quadrupled the power consumption. This could be complete garbage btw, it was a long time ago and everything, and have no bearing at all on ARM processors.

diji1 said:
User Comment on Android Market:
At first I was thinking "right whatever mate" - but then I started thinking ... maybe bad idea?
Click to expand...
Click to collapse
The poster of that comment is simultaneous right and wrong.
If you have a multi-threaded app, it may well run faster and use less power by running two cores at a lower speed. However, for a single threaded app or task, a 2nd core is *never* going to be used, so it would just run slower.
The 2nd Core app is quite clear that running 2 cores all the time is going to hose your battery. However, if you are multitasking many apps, running just 1 core all the time will likely mean that that core has to run at a higher clockspeed all the time in order to cope with demand, and could also hose the battery.
Regards,
Dave

foxmeister said:
The poster of that comment is simultaneous right and wrong.
If you have a multi-threaded app, it may well run faster and use less power by running two cores at a lower speed. However, for a single threaded app or task, a 2nd core is *never* going to be used, so it would just run slower.
The 2nd Core app is quite clear that running 2 cores all the time is going to hose your battery. However, if you are multitasking many apps, running just 1 core all the time will likely mean that that core has to run at a higher clockspeed all the time in order to cope with demand, and could also hose the battery.
Regards,
Dave
Click to expand...
Click to collapse
So to be short, we do not need it?

tids2k said:
(...)
*Available kernels
- FM Kernel 1.5
- Abyss Kernel 3.1
- Tegrak Kernel Build 31 [ XXKL7]
- Tegrak Kernel Build 31 [XXKL8]
(...)
Click to expand...
Click to collapse
What does that mean? FM Kernel and Abyss Kernel 3.1 are not supported because of the red color?
Or are these kernels supported?
I'm just asking because of
angelom said:
Yes, but there is no module to run Tegrak overclock
Click to expand...
Click to collapse

robertberma said:
So to be short, we do not need it?
Click to expand...
Click to collapse
I gather that is the case from Dave's reply.
The thing is I hardly ever get below 50% during a days use (gotta love that Note battery!) so I'm looking forward to seeing what this does. I have the juice to consider it worthwhile.

I've been on it for a week and phone is flying fast. Battery drain is not that bad for me. I for one, love it
From the Best : Galaxy Note

Great App
My note is super fast now and battery drain is less along with juice defender...
Fantastic app...keep it up mate
Try to make the home button awake lag less with this app if you can...only request...

Thanks! !!!!

I want to purchase tegrak ultimate, but I receive this error:

Anyone know if the second core will go off when the screen is off when set in dual core mode?
Sent from my GT-N7000 using XDA App

It will remain on until you put the device in hotplug mode.
Sent from my GT-N7000 using xda premium

The device itself is working fine and great, not much of anything needed, not offense to any, but i like it the way it is , might be when we get ICS, we may have some core mod needed.

deadlyheart4u said:
The device itself is working fine and great, not much of anything needed, not offense to any, but i like it the way it is , might be when we get ICS, we may have some core mod needed.
Click to expand...
Click to collapse
Yeah...shame 2nd core doesn't work on ICS yet.

Roukie said:
Yeah...shame 2nd core doesn't work on ICS yet.
Click to expand...
Click to collapse
Damn, my ICS Note uses 1 core 1200mhz yet its way smoother than Gingerbread builds with dual core 1400mhz.
/Amazed

Is this compatible with ICS? I am on ICS Stunner.

[Kernel] ardatdat kernel v1.6b3 [CWM] (2012-04-06)

Dear all,
As I have already distributed the v1.6b1 (beta 1) to some (many?) of members a week ago. I have been requested to open a new thread such that I could highlight what have been changed and let all testers to express their feelings and opinions to the new kernel in this centralized thread.
First, let me introduce the features of "The New Kernel" ... (not The New iPad)...
1. Stabilized the voltage & frequency setting such that the 'stock' voltage is used without affecting OC stability.
2. As different machine's CPUs are different, OC to 1.35Ghz is not the most stable setting. Instead, 1.3Ghz will be the max.
3. Remove some of the useless codes used in v1.5
4. Pick some of the code difference from the official XWLA4 kernel
5. Add in support to read NTFS & CIFS file system
6. Switch to use the SLUB allocator
7. Disable ipv6 (unless I am told to add it back)
8. Other minor bug fixes
Next, let me conclude some of the comments from members on the beta:
1. Works fine with Titanium ROM 2.1
2. Undervolted it to 750mv @ 608mhz, more stable than v1.5
3. More smooth than v1.5
4. Not as warm as v1.5, so far so 'cool' in temperature
5. No lag, no freeze
So, welcome for more opinions, discussions and findings and let's discuss here. If everything goes right, I will release v1.6 within a few days
** Updated: v1.6b2 has been sent out to around 10 testers for testing

-- reserved --

just got back from long leave...
got your kernel but havent installed it yet..
on your last 1.5 i'm having problem with ONDEMAND mode. it does not smooth after long standby/idle. INTERACTIVE is the best setting for me. hope 1.6 is much2 better!..
gonna test it tonight woohooo!!..

My sister's Galaxy R is using the really old ODIN version .
Can I directly upgrade like this ?
Herpderp Defy.

EmoBoiix3 said:
My sister's Galaxy R is using the really old ODIN version .
Can I directly upgrade like this ?
Herpderp Defy.
Click to expand...
Click to collapse
Yes, it should be fine.
Flashing the kernel every time is flashing a 'new' one. There are not any dependency with the previous kernel.

4 days of intensive testing and I've found no probs. Can someone put his undervolting stable results?
Enviado desde mi GT-I9103 usando Tapatalk

help..............
first i used 1200 frequency on interactive profile on 1.5, i have no lags but just test 1.6 the same frequency i find some lags in adw transition and also battery is drain out very fast............................

Still I would love to see support for 2WCR

amar1548 said:
first i used 1200 frequency on interactive profile on 1.5, i have no lags but just test 1.6 the same frequency i find some lags in adw transition and also battery is drain out very fast............................
Click to expand...
Click to collapse
Thanks for your report.
As I think you are the only one experiencing that. Could you please elaborate more on the situation. Example: the SetCPU setting / profile setting / screenshot. Lag, how lag, and have you wipe the cache before flashing the new kernel? Have you tried to flash back v1.5 and see the situation. Also, battery drain is fast is strange as I use 'lower' voltage setting that v1.5.
Please help to test more and provide more information such that we could help in fixing the problem. Thanks.

ardatdat said:
Thanks for your report.
As I think you are the only one experiencing that. Could you please elaborate more on the situation. Example: the SetCPU setting / profile setting / screenshot. Lag, how lag, and have you wipe the cache before flashing the new kernel? Have you tried to flash back v1.5 and see the situation. Also, battery drain is fast is strange as I use 'lower' voltage setting that v1.5.
Please help to test more and provide more information such that we could help in fixing the problem. Thanks.
Click to expand...
Click to collapse
when firstly i installed this i didn't format cache then restore to 1.5 but see ur instruction i format cache and again flash 1.6 since 2 hours flashing it runs quite smoothly now ....... in set cpu i have used 1200 mhz frequency and interactive profile but i doesn't change any voltage.......... please insist me if i have to change voltage either or frequency........

I tested frequency 1100 mhz and I must admit it's unbelievable how much boost i performance gives you clocking with just 100 mhz. I would say it's relatively the most efficient frequency. (if you compare differences between 1 and 1,1 ghz, and then 1,1 and 1,2 ghz).

Where can I find 1,6 version
Sent from my GT-I9103 using Tapatalk

u can't, it's still being tested, but if you want to participate send pm directly to ardatdat.

NTFS Support
Got my OTG cable today,
Plugged in my NTFS formatted Pen drive and its loaded with all gears.
Thanks ardatdat for bringing up NTFS support on my request.

m.kochan10 said:
I tested frequency 1100 mhz and I must admit it's unbelievable how much boost i performance gives you clocking with just 100 mhz. I would say it's relatively the most efficient frequency. (if you compare differences between 1 and 1,1 ghz, and then 1,1 and 1,2 ghz).
Click to expand...
Click to collapse
I'm still on stock kernel, but will most likely update to ardatdat's 1.6 when released.
Is the performance boost perceived boost under general usage or is it synthetic benchmarks such as Antutu?

It was so funny. If v1.6 is not released, maybe you could all blame him for it.
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Woah . What a spammer .
Herpderp Defy.

Why spamer? Huge and devoted fan of good piece of software
Sent from my GT-I9103 using xda premium

m.kochan10 said:
Why spamer? Huge and devoted fan of good piece of software
Sent from my GT-I9103 using xda premium
Click to expand...
Click to collapse
Devoted..? "Fanatic" XD

That was supposed to be sarcastic

[APP][ROOT][FREE] [2.1+] One Power Guard

This post is moved to http://forum.xda-developers.com/showthread.php?t=1947559

thanks man for your hard work will try it now

great app, but in conflict with CPU Tuner It changes the CPU Frequency but CPU Tuner tries also (have customized CPU Tuner so it saves battery better then you App does I think) but wil compare those two now
Thanks for the Trial Options!

mautz001 said:
great app, but in conflict with CPU Tuner It changes the CPU Frequency but CPU Tuner tries also (have customized CPU Tuner so it saves battery better then you App does I think) but wil compare those two now
Thanks for the Trial Options!
Click to expand...
Click to collapse
You might give me some advice.One Power Guard does not just set the CPU

pixiebob said:
thanks man for your hard work will try it now
Click to expand...
Click to collapse
How effective? I think I will write a help document.

fonter said:
How effective? I think I will write a help document.
Click to expand...
Click to collapse
during night no interesting to compare because deep sleep work already great , no loss.
i have reinstall and try your application today to see if there are better battery usage during the day.
but for people who trying they must accept that phone is low cause optimal settings battery profile.

I'll give it a try thanks, battery defender don't seem to be working to well with faux kernel and my rom.
Sent from my Atrix
Motorola Atrix (MokeeOS v1.10.436)
Nexus 7 (Vanilla root flavour)

fonter: can you tell me more details how exactly your application initiating or improve deep sleep like you says in introduction.

pixiebob said:
fonter: can you tell me more details how exactly your application initiating or improve deep sleep like you says in introduction.
Click to expand...
Click to collapse
We optimize some kernel, CPU, WIFI etc.
New Version 1.5 Release
1.5 Version
1、Fix the custom mode bug
2、Fix get CPU frequency is null problem

Hi, everybody
1.6 version releases, can be updated.
1、Fix some custom mode bug
2、Fix the notification bug

The speed of the processor appears in Khz. It is incorrect that value. Is not it?
Where I can get the blonde? :silly:
Salu2

fonter said:
Hi, everybody
1.6 version releases, can be updated.
1、Fix some custom mode bug
2、Fix the notification bug
Click to expand...
Click to collapse
1.7 version releases
1、Fix bluetooth adapter bug
2、Fix Listview bug

Jolufa said:
The speed of the processor appears in Khz. It is incorrect that value. Is not it?
Where I can get the blonde? :silly:
Salu2
Click to expand...
Click to collapse
Thank you for your reminder, we will change the CPU unit.

Guess its very use full for people who are lazy to manually tweak their rooted phones. Almost perfect now =].
Sent from my Nexus S using Tapatalk 2

xjerlzx said:
Guess its very use full for people who are lazy to manually tweak their rooted phones. Almost perfect now =].
Sent from my Nexus S using Tapatalk 2
Click to expand...
Click to collapse
We consider that many users do not know how to modify the system parameters, do not know how to optimize.So we did some work.
Version 1.7 has been perfect, we already have new innovations, please waiting.

Is there any way to change the governor in the already made mode? It always set to ondemand how about I want to change it to other governor like badass / smartassv2?
Sent From My BioWonder V4

reddvilzz said:
Is there any way to change the governor in the already made mode? It always set to ondemand how about I want to change it to other governor like badass / smartassv2?
Sent From My BioWonder V4
Click to expand...
Click to collapse
You can select the Custom mode,change cpu governor.
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New version release V1.8
Search "One Power Guard" from android play
New modified as follows
1.8 Version
1、Fix bitmap size exceeds VM budget
2、Fix motion event bug
3、Fix get running tasks exception
4、Fix popup window exception
5、Try fix notification bug

thanks man for your hard work will try it now

roger0220 said:
thanks man for your hard work will try it now
Click to expand...
Click to collapse
If you like, please give a good rating.

[APP][ROOT]KonaBess - Customize GPU Frequency and Voltage Tables on the Fly

Stumbled upon this app for our snapdragon 865, via github and thought I would share.
This app allows to quickly and easily (OC,UC,OV,UV) Overclock and Undervolt your GPU by allowing to edit the frequency and voltage tables. Also the ability to repack your current kernel with changes and flash your new image for you.
KonaBess
Requires root .
What is this?
A simple app that can custom GPU frequency and voltage tables without recompiling the kernel
How it works?
By unpacking Boot / Vendor Boot image, decompiling and editing relevant dtb (device tree binary) files, and finally repacking and flashing.
How to use?
See "help" inside.
Why "KonaBess"?
"Kona" is the code name of Snapdragon 865 series.
Snapdragon 888 's GPU has minus improvement in energy efficiency, thus we are able to overclock sd865 and beat it. And this is the reason why the app was born.
Though sd888 is compatible now, the app name won't change.
How much improvement can I get?
I see someone undervolted his sd865, reducing power cost 25% in gfx(4.2w->3.2w) bench.
In fact, it is chip-specific and depends on your stability requirements.
Click to expand...
Click to collapse
Screen Shots
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I have been running 150mz-902mz without issues .
The config I am using is one 2nd post .
Below I will begin sharing config files I find / create.
Share your experience and config files!
( Feedback is encouraged, not required )
I did not create this application , As mentioned just sharing
More Details and Source can be found on
The developer's (libxzr) git hub - https://github.com/libxzr/KonaBess
KonaBess Releases https://github.com/libxzr/KonaBess/releases

This config is set to 150mz-905mz .
Shared by a member , here is their post
KonaBess [GPU overclock & undervolt] OnePlus 8 PRO
Let's share best configs for OnePlus 8 PRO. Anyone used it? What is this? A simple app that can custom GPU frequency and voltage tables without recompiling the kernel, compatible for Snapdragon 865 series, 855 series, 888, 765 series, 750 /...
forum.xda-developers.com
This is my first day running this config, I have set my max gpu to 720mhz . So far , everything is working out.
Thanks for sharing !
@JIm Bob 6666

How do I return to my original kernel after using Kona?

Bumbae said:
How do I return to my original kernel after using Kona?
Click to expand...
Click to collapse
Reflash stock kernel, or set settings to default in KonaBess.

Man this's wholesome. I overclocked my snapdragon 778G from 550 to 563 and the performance score in 3Dmark is higher than 90% devices of the same model (Mi 11 lite 5G NE). I wonder if it's possible to do the same with CPU someday

I have a device running on a SD750G 5G, the SD750 is in the supported list but would it also work on this specific processor? It's for a OnePlus Nord CE 5G.
Thanks in advance.
Kind regards,

Rootk1t said:
Reflash stock kernel, or set settings to default in KonaBess.
Click to expand...
Click to collapse
Reflashing stock vendor_boot restores stock settings as well. I didn't know you could apply default config through app. Cool. Anyone know of a kona.txt that works well with op9 series using oos a13

Vipxpert said:
Man this's wholesome. I overclocked my snapdragon 778G from 550 to 563 and the performance score in 3Dmark is higher than 90% devices of the same model (Mi 11 lite 5G NE). I wonder if it's possible to do the same with CPU someday
Click to expand...
Click to collapse
Hey can you help me a little bit. I'm also using sd 778G on poco x5 pro and can you guide me how to underclock my processor for good battery backup and thermals

did you ever get this screen

working good on 13.1 thank you

How To Guide Optimise Stock Kernel Scheduler & Governor Setting

So, after months of using Pixel 7 family, surely we all know that Tensor 2 is not exactly the best flagship SOC in term of raw power or energy usage, probably due to it's "Exynos Genetics Trait"
that being said, doesnt mean it's down bad. And with some optimisation, we can always try to make it run better. One of the example is by seeing how much better it run on custom kernel. But what about other stock kernel user ?
Well, fortunately, as long as we have root access, the stock kernel still allow us to play with some parameter. And here are some tunables parameters that i use to balance the energy usage and responsiveness of the device. (my aim is 10% battery for 1 Hour of SoT and ±0-1% decrease during 6-10hrs idle)
If you want to know more about each parameters, you can google a lot of linux kernel documentation (like here for example : https://access.redhat.com/solutions/177953)
but for now i'll just write down the change and my configurations. (I used EX Kernel Manager to change the parameters) :
CPU Section :
Switch governors for all CPU clusters from 'sched_pixel' to 'shedutil'
Open "Governor Options" and change the 'rate_limit_us' for all clusters from '10000' to '0'
Open "CPU scheduler options" and use bellow value for respected parameters :
sched_wakeup_granularity_ns : 10000000
sched_tunable_scaling : 1
sched_min_granulatity_ns : 2000000
sched_latency_ns : 12000000
Memory Section :
Disable "ZRAM"
That's it for now. Try and feedback if you find any improvement in your energy usage.
I've been using it for weeks, and pretty happy especially with idle drain. As for SoT, normally i end up with 5-6 Hrs screen time when i down to bed with ±30% battery remaining.

otonieru said:
So, after months of using Pixel 7 family, surely we all know that Tensor 2 is not exactly the best flagship SOC in term of raw power or energy usage, probably due to it's "Exynos Genetics Trait"
that being said, doesnt mean it's down bad. And with some optimisation, we can always try to make it run better. One of the example is by seeing how much better it run on custom kernel. But what about other stock kernel user ?
Well, fortunately, as long as we have root access, the stock kernel still allow us to play with some parameter. And here are some tunables parameters that i use to balance the energy usage and responsiveness of the device. (my aim is 10% battery for 1 Hour of SoT and ±0-1% decrease during 6-10hrs idle)
If you want to know more about each parameters, you can google a lot of linux kernel documentation (like here for example : https://access.redhat.com/solutions/177953)
but for now i'll just write down the change and my configurations. (I used EX Kernel Manager to change the parameters) :
CPU Section :
Switch governors for all CPU clusters from 'sched_pixel' to 'shedutil'
Open "Governor Options" and change the 'rate_limit_us' for all clusters from '10000' to '0'
Open "CPU scheduler options" and use bellow value for respected parameters :
sched_wakeup_granularity_ns : 10000000
sched_tunable_scaling : 1
sched_min_granulatity_ns : 2000000
sched_latency_ns : 12000000
Memory Section :
Disable "ZRAM"
That's it for now. Try and feedback if you find any improvement in your energy usage.
I've been using it for weeks, and pretty happy especially with idle drain. As for SoT, normally i end up with 5-6 Hrs screen time when i down to bed with ±30% battery remaining.
Click to expand...
Click to collapse
Someone said that it reverts back once you reboot?

elong7681 said:
Someone said that it reverts back once you reboot?
Click to expand...
Click to collapse
In the Franco Kernel Manager, there's an option to "keep" the new settings on a reboot. (Not sure about the EX Kernel Manager.)

elong7681 said:
Someone said that it reverts back once you reboot?
Click to expand...
Click to collapse
Right, it reverts back for CPU Governor (Cluster 3) after a reboot. (with EXKM)
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Then I tried with FKM and problem is the same.
I will see after the night how is my battery drain.
But i can't complain because i loose only 2 or 3% during night (8h)
(Bluetooth and 5G on) No wifi because 5G signal is good.
No custom rom, rooted, january update.

Plathoon said:
Right, it reverts back for CPU Governor (Cluster 3) after a reboot. (with EXKM)
View attachment 5817379
Then I tried with FKM and problem is the same.
I will see after the night how is my battery drain.
But i can't complain because i loose only 2 or 3% during night (8h)
(Bluetooth and 5G on) No wifi because 5G signal is good.
No custom rom, rooted, january update.
Click to expand...
Click to collapse
It's expected that it reverts back to default because it's controlled by multiple things. People shouldn't change the governor. There is a write-up on this in Freak's kernel thread.

ekin_strops said:
It's expected that it reverts back to default because it's controlled by multiple things. People shouldn't change the governor. There is a write-up on this in Freak's kernel thread.
Click to expand...
Click to collapse
Can you provide a link to the write-up please?

Pixel86 said:
Can you provide a link to the write-up please?
Click to expand...
Click to collapse
Post

Mrcactuseater what's your deal always laughing at genuine posts?

ekin_strops said:
It's expected that it reverts back to default because it's controlled by multiple things. People shouldn't change the governor. There is a write-up on this in Freak's kernel thread.
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Actually you can change the CPU governor from the default one to one of the additional existing alternatives.
The issue is just that the frequency scaling driver for the affected CPU cluster(s) will break if the PowerHAL detects that the Sched_Pixel governor isn't "there" anymore for doing the job that it is supposed to do.

Plathoon said:
But i can't complain because i loose only 2 or 3% during night (8h)
(Bluetooth and 5G on) No wifi because 5G signal is good.
No custom rom, rooted, january update.
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Damn that's less than half of mine...

Not_Purgatory said:
Actually you can change the CPU governor from the default one to one of the additional existing alternatives.
The issue is just that the frequency scaling driver for the affected CPU cluster(s) will break if the PowerHAL detects that the Sched_Pixel governor isn't "there" anymore for doing the job that it is supposed to do.
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I never wrote you can't change it, I wrote people SHOULDN'T change it to avoid the issues you mentioned.

You say to try to deactivate zram. Is there any real benefit? Zram is useful?

Techboyz97 said:
You say to try to deactivate zram. Is there any real benefit? Zram is useful?
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You save CPU cycles at the expense of additional vRAM.

If you use smartpack kernel manager there's an option to apply all changes with a script on boot. That's the way I've always worked with kernels that won't allow changes to stick on boot

Pixel86 said:
You save CPU cycles at the expense of additional vRAM.
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WUT? lol