Performance is characterized by the amount of useful work accomplished by a computer system compared to the time and resources used (Wikipedia).

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2
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1answer
3k views

sluggish performance due to mmcqd CPU usage

I have an older Droid Incredible running Cyanogenmod 7.2. Recently, I've noticed some sluggishness on the phone that doesn't seem limited to a single app. The CPU Usage Plus app (which I think just ...
0
votes
1answer
29 views

Moto G 2014: Maximum upload speed?

According to specs the 2nd gen. Moto G has network support for: GSM/GPRS/EDGE (850, 900, 1800, 1900 MHz) UMTS/HSPA+ up to 21 Mbps (850, 1700 (AWS), 1900 MHz) What's the actual maximum upload speed?
0
votes
1answer
765 views

High CPU usage from UEventObserver and inputmethod.latin (Nexus S)

I have kept my Google Nexus S up to date with the latest Android O/S since I've owned it and its always had performance problems to varying degrees. I'm currently running: Android version: 4.1.2 ...
0
votes
1answer
25 views

Video and game lags after rooting S3

I recently rooted my phone, and am now using Paranoid and I love it. However, whenever I play videos and games it lags really noticeably. This never happened before I rooted my phone. I'm using ...
0
votes
0answers
49 views

Slow home screen load, applications restarting

The problem has a few symptoms. 1) Whenever I return to the home screen it takes a few seconds to redraw. 2) Most applications restart when I switch back and forth between them. 3) If I go to the ...
2
votes
3answers
6k views

Are there any downsides or risks to limiting background processes?

I enabled developer options on my Samsung Galaxy Grand Duos and then changed "Limit background process" option from Standard limit to No background process. After that my phone is working fine, with ...
1
vote
1answer
75 views

Improve scrolling lag in Android

I am not referring to the App opening/closing animations (that can be modified in the launcher or the Developer Options changing the animation scale) but the actual scrolling of websites, webviews, ...
3
votes
1answer
1k views

Android 4.0.3 sluggish: nandd process hogging CPU

I have an Allwinner A10 tablet clone. While working the tablet "freezes" regularly but not too frequently for a strech of time between 2 and 15 seconds. Described differently: the tablet is useable ...
0
votes
1answer
1k views

How to make rooted android phone faster and avoid battery drain

I have rooted by Samsung S dous s7562 (645 RAM single core 1ghz processor)phone using Kingo Android root desktop App. I decided to root my phone as it was very slow . I have already done the ...
0
votes
0answers
85 views

Does KitKat improve performance on devices with more than 512MB of RAM?

I know that KitKat is "designed to work better with 512MB RAM". This is all fine and dandy but does it have any impact in devices with more RAM than that? If the device is not starved of RAM to begin ...
0
votes
1answer
85 views

How to make Android run faster? [closed]

I am completely depressed with Android, I can't remember having to deal with such a slow and cumbersome OS since I used Windows 97. Literally, I have to re-install Android every month (reset to ...
0
votes
1answer
1k views

Samsung Note 2 slow down

I find my note 2 is getting slower and slower after using it for 1 year. Is there anything I can do to make my phone run normally/faster. It looks like the memory is approaching to the max usage. Is ...
0
votes
4answers
6k views

very slow performance of Galaxy Grand 4.2.2

After the new update of 4.2.2 on Feb 6,2014 my phone performs very very slow.. cant even run a single application.. cant even pick up the call as the screen remains blank... Smart phone has become ...
0
votes
1answer
30 views

Impact of android version on phone performance

I pondering whether I should upgrade my Android system, or stick to my current one. Is there any reference website that would list Android devices and see how different Android versions compare in ...
1
vote
2answers
26 views

Apps spamming my log

I've been looking at my log recently for more development of android applications, and I've noticed my log is spammed with all sorts of information that I wouldn't considered needed to be logged. ...
1
vote
0answers
59 views

Analyse performance / profile Android System? Why is the system slow?

My Android 4.2.1 tablet is slow, it wasn’t when purchased. As the reason is often the software, I was looking for a tool to analyse the performance of the whole system, but couldn’t find any. What I ...
-1
votes
1answer
42 views

Can i read the RAM and CPU usage of other applications-Android

I want to know whether is it possible to monitor the CPU, RAM, Network and Battery usage of each and every application installed in my device through my application dynamically? Does Android's ...
18
votes
5answers
7k views

Does moving apps to the SD card negatively affect performance?

Does moving an application to the SD card negatively influence I/O performance of the app or of Android in any way, in particular loading times?
0
votes
1answer
472 views

Sony Reader PRS-T1 becomes unresponsive

My Sony Reader PRS-T1 based on Android 2.2 is acting funny. I had rooted it in the past but is now in the "original" state, upgraded with the latest official firmware. The problem is that many ...
0
votes
0answers
365 views

Very specific Asus MeMO Pad HD 7 Wi-Fi problem

I've got a fairly odd problem and have not been able to find a solution for months... I have n Asus MeMO pad HD 7 (ME173X) running Android 4.2.2 which usually does just fine connecting to Wi-fi to ...
0
votes
0answers
49 views

Android extremely slow when USB Debugging

Whenever my android device is plugged into my computer with USB Debugging enabled, it (the entire device: all apps, etc.) becomes extremely slow. I need USB Debugging enabled to install and debug ...
1
vote
2answers
215 views

Will installing Cyanogenmod speed up my Galaxy S?

I recently purchased a used Samsung Galaxy S Captivate. While it seems fine for my purposes, it would be nice if it were just a bit faster, in terms of loading different pages more quickly. From what ...
4
votes
2answers
455 views

Do apps that claim to increase SD card performance really work? Strain on card?

I was recommended an app today that supposedly increases the r/w cache on the SD card. By default it's set to 128kb. I'd imagine this works in a similar fashion to a BufferedReader (in java). My ...
27
votes
4answers
89k views

My device is getting slow, apps start misbehaving/crashing. What can I do?

Everything was working fine for a long time. But suddenly the device is getting slower than usual (e.g. apps react slowly when starting an action -- like the RSS reader takes "ages" to open an ...
0
votes
1answer
434 views

Dialer is very slow between dialing the number and getting into the call: spinning wheel for 5-10 seconds

I have a Nexus 4 with CM (latest version). For the last few months whenever I dial a number it takes anywhere from 5-10 seconds for the actual call to start. I checked Android SE and didn't find ...
0
votes
0answers
42 views

Does Android indeed need defragment?

I have recently format(not just wiping) userdata partition on Note 2 N7100 and Tab 7.7 P6800. I also restore /data using nandroid and restore internal sdcard by manually copying files. I notice that ...
2
votes
0answers
192 views

LG G2 getting sluggier by the day

I'm not sure if this is specific to this model or not, but I am having troubles understanding how four cores of over 2GHz can perform so miserably slow. During the last few days, it's gotten to the ...
0
votes
1answer
87 views

How to meausre GPU performance in different Custom ROMs

I plan to compare the GPU performance of different GPU powerscale policies. GPU powerscale policies are found under /drivers/msm/gpu/msm[or any other chipset name]/kgsl_pwrscale_XXXX.c under the ...
0
votes
1answer
215 views

How to uninstall Android upgrade

I was asked by my Galaxy Grand to update. It was a 608 MB build update. After done , now I got Android Jelly-bean 4.2.2 . It is making my phone very slow and uses too much phone memory. Want to ...
0
votes
1answer
90 views

Developing applications under Cyanogenmod? How compatible to vanila Android? (Nexus devices)

If I am to develop (and test) my application under Cyanongenmod (base install, without any additional changes), how confident can I be that I would see similar performance of my application on the ...
0
votes
1answer
33 views

Poor Performance at Low Battery

I'm having an issue where my phone gets sluggish and non-responsive when the battery level gets to around 35% or less. Apps will freeze, it will take the keyboard a long time to appear, and the ...
0
votes
0answers
51 views

phone becomes extremely slow when internal storage usage reaches around 50%

I flashed my android phone many times recently using odin, my phone is a Galaxy Grand Duos. Then I finally got it working. but I found the problem as described in the title. What could possibly be the ...
0
votes
1answer
118 views

why smartphones become laggey and slow with time? [duplicate]

I found a lot of info about how to make my smartphone faster but I couldn't find the reason for smartphones lowliness. I found that you should move apps to SD Card (if you have one) Don't use a lot ...
0
votes
0answers
333 views

What is filling my phone's RAM, if not apps?

My Galaxy S3 has gone from snappy to slow over the past few weeks: When I open or change apps it reacts very slowly. When the app is running that app is working fine. It resembles having too little ...
22
votes
5answers
27k views

How can I deal with “Low on Space” messages on my Android?

I keep getting the "Low on Space: Application data space is low. To free up" [the rest is cut off] message. I've moved every app I can over to the SD card, cleared the cache, compacted my K9 mail ...
0
votes
1answer
114 views

Why are there a ton of Logcat processes slowing down phone?

I noticed a major slowdown on 2.2.2 Android, and it looks as though it's caused by too many logcat processes. With adb shell, I ran ps | wc -l and there were about 400 processes, after running killall ...
0
votes
1answer
219 views

Scala and ART, android runtime

I understand that Dalvik has a just-in-time compiler. The android team is making ART, android runtime, which has an ahead-of-time compiler. Effectively using Scala can increase code execution time ...
0
votes
1answer
2k views

Improving HTC Sensation XE somehow

I have an HTC Sensation XE and the smartphone is becoming slower and worse every day, expecially compared to my Nexus 7 and Samsung Tab 2. Android on the phone is slow and lagged ( I have to wait ...
0
votes
0answers
82 views

Update to 4.2.2 slowed down my Samsung Galaxy Grand

Recently, my phone got updated to 4.2.2 and now it has terribly slowed down. I don't know what is the problem but opening a single application takes hell lot of time. Should I do factory reset or is ...
5
votes
4answers
24k views

Change the speed of games in Android / SpeedHack for Android

Is there a way to slow down / speed up the actual game speed? For Windows PC, there is the Cheat Engine SpeedHack that does it nicely. Is there anything (requiring root or not) to achieve similar ...
0
votes
1answer
29 views

Phone is lagging

Some apps lag on my phone. For example, Chrome, Opera Beta. But other apps are working quite normal. I noticed that these apps redraw almost all screen, so I believe this is somehow related to ...
2
votes
1answer
240 views

How big of a speed difference will be noticed with a 100-200 MHz overclock?

I am going to overclock my 600 MHz to around 700-800+. Nothing too big of a jump, and don't need any help either. The question I'm concerned about is what kind of performance does this slight speed ...
0
votes
0answers
386 views

Why is the screen rotation slow and freezing the screen?

I have a Samsung Galaxy note 10.1, and the screen rotation before was noticeably quicker. It just recently started to take another second or two to rotate. On top of that, everything on screen will ...
0
votes
0answers
38 views

Run apps at half-size

I have an Android tablet (TF101) which runs really slow, especially with games like Asphalt 8. I was wondering if I could run the slow apps at half-size, so they would run faster. Is there any way to ...
4
votes
4answers
2k views

How can I find which app slows down my phone?

I have a Samsung Galaxy S3. My phone is becoming slow. I don't know how to find the app that slows it down. Can someone help me with this? My guess that the app is FACEBOOK... worst app ever. After ...
4
votes
3answers
2k views

Black screen starting an app

Occasionally I'll start an app only to be presented with the App's title bar and a black screen. Usually the app's interface shows after 3-10 seconds. Very rarely the screen will stay black. I don't ...
0
votes
1answer
2k views

Are there technical reasons why Android is not as smooth as iOS and can they be overcome? [closed]

There are some discussions of this topic on the internet but I'm looking for something objective and technical like the Stack Exchange community is generally quite good at. I've resisted the ...
3
votes
1answer
121 views

How do I know if an Android tablet supports Project Butter?

As far as I know, Project Butter is just shorthand for versions of Android OS that have quicker touch screen response, close to the "physicalness" of iOS devices. But how do I know if a particular ...
0
votes
0answers
12 views

How to restrict uploading the benchmark tool result to their server?

I downloaded 3rd party benchmark application like Antutu , for checking my phone performance .but i don't want to upload my phone result to their server . Is their any way to restrict uploading the ...
1
vote
0answers
6k views

HTC One V really slow

I bought my HTC One V exactly one year ago, at first everything went really smoothly and it worked like a charm. It didn't take long before the phone crashed from an unexpected error. The phone spent ...