I'm using kernel adiutor.
There isn't any option to change the GPU governor. If I change the CPU governor, will that in effect change how the GPU is governed?
There is the option of changing the voltage of the GPU, however. Can I safely underclock the GPU? Will it result in longer battery life?
Thanks
You can underclock CPU easily is the settings on stock rom. And yeah battery life is better but the device performance are affected.
Related
Been wondering this for a few days. Does setCPU raise CPU voltage when it overclocks ?
Because if it doesn't, then battery life shouldn't be affected.
I'm not sure about SetCPU itself, but in order to overclock, the voltage must be raised anyway - for example on my milestone ( using milestone-overclock ) when i set the maximum to 1.2Ghz, i have to change it to 80vsel. ... so battery life will be affected when you load a custom ROM or load the kernel module to overclock.
so when you load the overclocked setting in setCPU, it uses the vsel specifed from there, right? which would result in more voltage
Hello guys if you have note 3 (sm-n900) with Kernel -halaszk-UNIVERSAL5420- and want to undervolt your CPU I have found a stable voltage for undervolting, Use SetCpu, first of all set your CPU when you are playing huge games to avoid overheating to min.200 max1300Ghz.
200Mhz-700mv
250-750
300-775
350-825
400-850
450-875
500-925
550-975
600-1025
650-1075
800-750
900-800
1000-825
1100-850
1200-875
1300-950 or 975
If your device overheats after undervolting I recommend to use DVFS disabler.
Do keep in mind, that there are not 2 exactly same devices. There is no stable voltage, which works for all phones with that model number.
Need help
I am using N-900 running Lollipop stock rom 5.0
I wanna do undervolting the cpu for long lasting battery life without flashing new mod rom.
Please give me some advice or recommended kernel for stock rom supporting an undervolt method.
Thank you in advance.
are there tests for battery life gained vs performance lost? would be interesting
bekasulaberidze said:
Hello guys if you have note 3 (sm-n900) with Kernel -halaszk-UNIVERSAL5420- and want to undervolt your CPU I have found a stable voltage for undervolting, Use SetCpu, first of all set your CPU when you are playing huge games to avoid overheating to min.200 max1300Ghz.
200Mhz-700mv
250-750
300-775
350-825
400-850
450-875
500-925
550-975
600-1025
650-1075
800-750
900-800
1000-825
1100-850
1200-875
1300-950 or 975
If your device overheats after undervolting I recommend to use DVFS disabler.
Click to expand...
Click to collapse
1) What is DVFS?
2) Underclock to 200mhz is NOT POSSIBLE!
3) There no undervolting, because my phone stock volt for 300Mhz is 775Mhz, which i use for 300Mhz is 700Mhz and no reboot, nothing. Just bit longer battery life.
4) Setting for 300Mhz-1300Mhz for gaming isn't recommend i. Just enabler Samsung Stock Power Saving. It's limited CPU to 1700Mhz with MCPS (Multi-core Power Saving) with Bettery thermal options and GPU framerates limits to 30FPS for slightly save power and slightly reduce overheating.
Thanks
Just curious out there on what everybody is running their CPU frequency, governor, and such, Just looking to see all my options and how I can save battery and increase performance
You won't decide anything until you try. The freq and other settings are highly subjective. As per my usage, i can even survive on 1497Mhz and the phone would still feel buttery smooth, but i use 19xx Mhz step. GPU at 389Mhz. Using default SAOSP kernel with alucard governor + hotplug and the system is performing like a nexus device.
Hai I'm wondering what's the best kernel for battery life is and if they're about the same which would be the best one
ninja85a said:
Hai I'm wondering what's the best kernel for battery life is and if they're about the same which would be the best one
Click to expand...
Click to collapse
There is no "best" kernel as each one will behave differently depending on your usage. Battery life is about trading performance for longer usage... If you don't like to tweak the kernel, leave it stock... the stock kernel and ROM are quite well optimized. Other wise if you don't mind tweaking, try any kernel, maybe start with Squid, and a conservative governor (like lionfish, conservative, or powersave), set the CPU minimum to 200Mhz, and the CPU Max Frequency 1094Mhz, even take a core or two off line if you want to get real crazy. Remember that to make a significant difference in battery you need to make a noticeable change in performance.
acejavelin said:
There is no "best" kernel as each one will behave differently depending on your usage. Battery life is about trading performance for longer usage... If you don't like to tweak the kernel, leave it stock... the stock kernel and ROM are quite well optimized. Other wise if you don't mind tweaking, try any kernel, maybe start with Squid, and a conservative governor (like lionfish, conservative, or powersave), set the CPU minimum to 200Mhz, and the CPU Max Frequency 1094Mhz, even take a core or two off line if you want to get real crazy. Remember that to make a significant difference in battery you need to make a noticeable change in performance.
Click to expand...
Click to collapse
Ah cheers
Hey guys I am using kernel auditor
Want to know
1)the profile to get the max performance regardless of battery
2)profile for normal multitasking but with higher battery saving capacity than stock arrangement
3)which is better 4 Cores and then restricting to 1.5ghz (or any other frequency which u would seem for the power saving) or switching off permanently and then setting the frequencies at about 2 GHz