ram usage - General Questions and Answers

guys .. i wanted to ask you something if what is the most effective way to decrease my ram usage cause it almost reaches 700 mb .. please help ..
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memae008 said:
guys .. i wanted to ask you something if what is the most effective way to decrease my ram usage cause it almost reaches 700 mb .. please help ..
Sent from my GT-I9082 using XDA Premium 4 mobile app
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If you're rooted, you can use Greenify to hibernate apps that you want accessible, but not necessarily running in the background.
Samsung's TouchWiz is a heavy ROM, and there's probably a lot of features that are running that you don't use. Turn them off in settings, hibernate them with Greenify, or disable them entirely in your app manager.
Other than that, just leave it be. Apps that you use frequently you want to keep running in the background, and yes, taking up RAM. This way they quickly load. Apps running in the background don't drain your battery significantly, but loading them up every time you want to use them because you've killed them with a task manager does.
Don't obsess over RAM usage. RAM is there to be used.

thanks sir ..
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Dont know

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[q] appz killer

Finally succesfully installed latest cordroid after a lot of help from a few certain people on here. THANX!!Now this is my very first android phone so bear with me on the dumb questions!Am i gonna have to click on appz killer everytime i want to kill everything ?? Even after one call about 15 apps are running in background so i have to kill them all again. i switch phone off, get a call, answer it . hang up after i am done and again i have 10 apps to kill with appz killer. so basic question is do i have to keep killing numerous apps each time i use the phone???wont that drain the battery if i ever forget to kill the apps and all 10 or 15 are running even after i press the off button ??
It will kill your battery faster if you keep killing them. Just let them run.
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why would you want to kill apps? If you aren't using them and they aren't running in the background then they aren't using your cpu, which means they aren't eating your battery. You don't need an app killer, they cause more problems then they solve.
Are u serious?? WQOW. All this time i swear that i thought the more running items u have, the quicker your battery would drain.. Thanx. i will just leave them alone and not kill 'em))
ldd2142 said:
It will kill your battery faster if you keep killing them. Just let them run.
Sent from my Desire HD using XDA Premium App
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If The number of apps does not matter.
Does the number of processes running matter? They are the ones actively using the cpu/batter?

Any way to free up RAM in CM7?

Hey guys, the longer I leave the phone on the less RAM I have.. I am down to a measly 62MB of ram at the end of the day.. I thought that android 2.2+ didn't need task killers? Anyone have any apps or ideas to help with that?
Edit: Please move this thread, I posted it in the completely wrong section I didn't have my glasses on, sorry.
Don't use any task killers but if you need a memory helper def go with "autokiller" from market. Its free and will def free up some ram for ya.
Sent from my MiuiSpeedy with that Premium XDA App
Does your phone slow down? If it's not slowing down, don't worry about it. Apps stay asleep in ram and don't run, this just means they don't have to be reloaded and are saved in the position they are in when you left them... this is the pseudo multi-tasking. If it's not slow, don't mess with it. Mine runs down that low fairly often with no loss of speed. But you can adjust the minimum settings in autokiller as suggested above if it bothers you that much
you can always enable some swap space.
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Ron Overdrive said:
you can always enable some swap space.
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Are you talking about compcache?
And my phone seems to progressively get laggier throughout the day but a reboot every morning seems to be sufficient.
Using autokiller with the optimum preset keeps me with 120 mb free and things still run fast and smooth. . .
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I use advanced task killer and it works fine. Under settings I have auto kill set to safe and to do it when screen turns off
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Comp cache will be slower, and isn't necessary for phones with as much ram as ours. Swap is far different than comp cache, and may help some, but I notice no difference.
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sparksco said:
I use advanced task killer and it works fine. Under settings I have auto kill set to safe and to do it when screen turns off
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I don't recommend anyone use this.
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one thing that I do is use Titanium Backup to roll updates into the ROM. it hasnt caused me any issues yet that a reboot doesnt solve.
If you long press on an item in Titanium Backup...you get an option to integrate update into rom. Doing that will free up a small bit of storage, but for multiple apps it might add up for some people. My phone is smooth as butter running CM7
l2icky said:
I don't recommend anyone use this.
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Maybe running donut or eclair, but anything post froyo has absolutely no need for a task killer, simply use google search.
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[Q] about ram and multitasking

Is ram availability on this phone based on time or physical availability?
Sent from my HTC One X using xda app-developers app
What do you mean time? Ram is a physical limitation. But since sense is hogging up quite a bit atm, we might be able to squeeze a bit more free ram in the future.but 1gb is fixed.
Sent from my MB860 using xda app-developers app
ethantarheels123 said:
What do you mean time? Ram is a physical limitation. But since sense is hogging up quite a bit atm, we might be able to squeeze a bit more free ram in the future.but 1gb is fixed.
Sent from my MB860 using xda app-developers app
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I know it's physical but some of my apps don't hold their spot after time vs availability of free resources.
Sent from my HTC One X using xda app-developers app
Apps only get dumped from the RAM by the OS when the OS runs out of RAM to use.
So just time wouldn't affect an app getting dumped from the memory. Your problem is probably stemming from an app that continuously is using up more and more RAM.
rohan32 said:
Apps only get dumped from the RAM by the OS when the OS runs out of RAM to use.
So just time wouldn't affect an app getting dumped from the memory. Your problem is probably stemming from an app that continuously is using up more and more RAM.
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Actually, Sense also kills apps after a certain time limit (around 10-15 minutes) even if there is sufficient RAM. So, to answer the OP's question, YES, the physical limit of RAM as well as the arbitrary HTC Sense "time limit" will both kill a back-grounded app.
You can test this yourself easily. Reboot phone. Load two apps, then make note of your RAM usage. (You should still have a fair amount left with only two apps open.) Let phone sleep. Open phone 15 minutes later, verify RAM is roughly the same as you left it, use recent apps key to select an app, and boom, one or both apps will reload. :-(
http://forums.androidcentral.com/ht...-solution-without-needing-root-i-think-2.html
rohan32 said:
Apps only get dumped from the RAM by the OS when the OS runs out of RAM to use.
So just time wouldn't affect an app getting dumped from the memory. Your problem is probably stemming from an app that continuously is using up more and more RAM.
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not true. the OS will dump an app if its been idle in the background for too long even if there is a sufficient amount of free memory. I post a similar thread about it the other day.

Just found a way to substantially increase smoothness

under Developer Options--> Limit Background Processes
I set mine to 4 and notice a difference
Great find, ill try it out
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Yup, been using it since my vibrant. Cuts the running background app usage down from 45+ to whatever I select (4 in my case) thus freeing up and keeping a good amount of RAM freed up.
-Sent from my T999 / T-Mobile Galaxy SIII
We have 2gb of RAM. I have zero stutter. Why do you feel need to reduce background apps?
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bootloopz said:
We have 2gb of RAM. I have zero stutter. Why do you feel need to reduce background apps?
Sent from my Nexus 7 using Tapatalk 2
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In my case, I have anywhere from 35-45 background processes running at a time and 1/3 seems to be bloatware. There's no need for unnecessary processes to be hogging up any amount of RAM.
So if heimdall worked on the mac for our U.S. variant s3's, I personally wouldn't have to do such a thing.
-Sent from my T999 / T-Mobile Galaxy SIII
Wow just did this, phone feels way faster!
Sent from my JellyBean Galaxys3
would this reduce battery usage too? I find I always have a bunch of programs running in the background when i go to the task manager (programs that dont close down after i leave them) and fear they might be draining battery.
bootloopz said:
We have 2gb of RAM. I have zero stutter. Why do you feel need to reduce background apps?
Sent from my Nexus 7 using Tapatalk 2
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Same thing I was thinking....
Do you put lo test gas and high profile tires on your ferrari so it rides smioth too?
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I've always done this ... Not sure how it affects battery life tho... Not sure I notice much difference either.
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dmichalski said:
would this reduce battery usage too? I find I always have a bunch of programs running in the background when i go to the task manager (programs that dont close down after i leave them) and fear they might be draining battery.
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in theory yes it should as the task manager is continually working.
In response to the "do you put low test gas in a high performance car" ... I sort of agree but...
I wish there was more of a choice than standard (which appears to be around 48 to 50 background apps) and 1, 2, 3 or 4....
I would like to set it to maybe 15 max, 4 seems far too few.
Alice the Brit, in sunny Florida
Sent on my (T-Mobile) US Galaxy S III
If you're worried about bloatware you can disable it under the Settings -> Apps -> All
Select the app in the manager and hit disable. Removes the shortcut and stops it from running.

Question on ram

I just got my gt2 10.1 a week or so ago and have a question. When I open the task manager to close any running apps I click on the ram tab and here is where my question comes in. It says I have 687MB of ram. Does that seem right? I know you will never have the advertised 1gb but my number seems a little low. Do I have a hardware issue with my tab? I removed all the live widgets from the home screen and it helped to make it smoother, I just don't wanna regret getting this tab later.
Thanks guys
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When things are running normally with Android you should see about 80% of the RAM in use. The memory manager attempts to keep things in memory so they start faster. you have more than 50% maybe when you first boot,. but as things run it will go to about 80% used. That's optimal you can kill task all day and it will come back. That's the way it works and optimizes RAM use.
And oh, by the way , that's typical for modern virtual memory systems, Linux, Windows etc.
Ok bro. Thanks for clearing this up for me. so it's all good then.
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