At which point, it will be doing just 883MHz before getting completely shut down! We all know (I hope we do) that big cores are generally more efficient at higher clock speed but someone must have missed the memo here. However, it doesn't escape the overall thermal tolerance which is set at 38-70 degrees. Only CPU 4, which is the first big core that controls the other 3 is exempted from being turned off due to this insanely low threshold. The big cores are allowed to hot plug at a measly 40 degrees and at 42 degrees the system is allowed to turn off three of them. I looked at the stock smallEUI thermal config and was shocked to find that the CPU starts throttling when it reaches temperatures as low as 38 degrees Celsius. When CPU thermal throttles, it leads to more power consumption because it has to stay on longer and use more CPU cycles to finish tasks that it could have completed much faster with high clock speed at the expense of negligible heating. I have also improved thermal thresholds to minimize throttling. I have done major tweaks to the custom kernel, use greenify in elevated mode, and block the recommended wakelocks on kernel adiutor app. I use a slimmed down EUI rom, a custom kernel to boot, and minor tweaks to the build.prop. Here's some background to this achievement.įirst off, I don't run anything on stock settings. When I started I wasn't even looking to break any screen on time records but at around 21% battery remaining, I was at 7 hours SOT so I decided to keep using the phone normally until I ran it down to empty. (Note: I used v2.5 because v3 uses lazy plug for CPU hot plugging which IMHO has far more battery drain than the stock Qualcomm core control) but I digress.Īnyways, I am a heavy gamer and frequently play real racing 3 for more than 1.5 hours in some days Today I decided to cut back and only played it for 25 minutes.This reduced gaming time enabled me to subject my phone to a more mixed use pattern. So I just got 8 hours and 30 minutes of sot running smallEUI version 3 with illusion kernel v2.5. Whomever has done better please feel free to share your awesome le 2 battery life with smallEUI, stock,or any other rom (doubtful). I have never got this much screen on time on the leeco le 2 (SD version) so I just had to share this with somebody.
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