Questions tagged [performance]

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

10
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3answers
11k views

How to make camera start faster

Everyone knows that start Android camera sometimes is a pain, specially if you wish to take a picture of something that lasts only some seconds. What I want to know is: is there a way or an app that ...
7
votes
2answers
1k views

Faster CPU means higher battery consumption?

A friend of mine and I have the Samsung Galaxy Tab 10.1. His tab is flashed with a custom kernel giving 1.2Ghz instead of the 1Ghz I have by default. Using antutu benchmark, we saw what we expected, ...
4
votes
1answer
687 views

How to log and visualize resource usage stats (to identify resource hogs)?

I want to be able to collect up to, say, a couple of day's worth of resource usage statics for my android, at the resolution of individual apps, and ordered according to their shares of the resource. ...
4
votes
3answers
2k views

Troubleshoot/ Tune Android performance / speed

I have a Motorola Xoom (not rooted) and new to the Android world (at least as an advanced user). I've installed several (around 30) games + several (around 30) apps. I've noticed that it became a ...
1
vote
0answers
994 views

Android Ice Cream Sandwich Performance on HTC Vision / Desire Z

I've got a HTC Vision / Desire Z (aka. T-Mobile G2), and I flashed a custom Android Ice Cream Sandwich (ICS) 4.0 ROM on it. Unfortunately, performance leaves a lot to be desired. I've tried the ...
1
vote
1answer
4k views

How do I speed up Android on Sony Ericsson Xperia X10 Mini?

My first Android device is an Xperia X10 Mini. I've installed a custom ROM (miniCm7) and now my device is definitely 'cool'. The only problem is that a lot of applications run in the background, ...
22
votes
0answers
15k views

Does moving apps to the SD card negatively affect performance? [duplicate]

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?
2
votes
0answers
1k views

Why does my Samsung Galaxy S keep crashing/slow performance? [duplicate]

Possible Duplicate: My device is getting slow, apps start misbehaving/crashing. What can I do? I have a Samsung Galaxy S which I've had for less than a year now. It has been working fine until ...
4
votes
1answer
4k views

How can I slow down my phone?

I know it seems like a silly question, but here is the situation: I'm debugging an app and my users have reported a bug on slow devices that I can't see on my fast device. Is there anything I can do ...
4
votes
2answers
3k views

Are there guidelines on how much free RAM a phone should have - specifically Samsung Galaxy S?

I have a Samsung Galaxy S (AT&T Captivate) that is rooted. I have various ways to tweak the amount of free RAM the OS leaves on the phone. The default is 48 MB, but I was wondering if I could ...
0
votes
1answer
1k views

Xperia X10i slow

Did anyone experience the x10i to become very slow in any given day? After restarting work for few hours fine and then suddenly become. Battery drainage is also very quick almost 4hours of some 10-...
6
votes
3answers
3k views

Picture Gallery Slow & Won't Refresh on HTC G2 w Android 2.3 Gingerbread

I'm having a problem with Picture Gallery not refreshing and loading too slowly on Android 2.3.4 Gingerbread (HTC G2). After I take a picture and then go to add it on foursquare or facebook from ...
11
votes
2answers
4k views

Defragmenting my Android Phone

I just received an email from the vendor of a well known de-fragmentation software package suggesting I can make my phone go faster by plugging it into my PC and using the packages "consolidate free ...
2
votes
1answer
554 views

Is there a way to lower GPU load from Ice Cream Sandwich?

I have seen some mentions (including here on Android SE) that Ice Cream Sandwich may not necessarily run optimally (e.g. will be slow/lag) on devices with slower/older GPUs. I assume that's due to ...
3
votes
1answer
209 views

Are there specific cases in which a task-killer or “fast reboot” program is helpful?

I know there have been previous questions regarding task killers, but I wanted to ask about two specific cases. I've heard a debate raging here and on several forums about Android's way of managing ...
3
votes
1answer
147 views

Are there good resources for comparing performance of Stock Motorola ROMs vs. CM7.1?

I'm looking for a good resource for which shows performance comparison - for Droid X - of Froyo 2.2 (stock ROM), Gingerbread 2.3 (Stock Verizon ROM) and any sort of Cyanogen ROM running on Droid X (...
5
votes
5answers
19k views

How do I know which applications slows down the phone?

How do I know which applications slows down the phone, so that I could get rid of them?
0
votes
0answers
584 views

Why does installing applications freeze my DroidX running Froyo 2.2?

I noticed recently that installing any applications caused my Droid X (Stock rooted Froyo 2.2) to freeze for a while - I mean completely freeze, can't go to home screen or pull down Notification bar ...
6
votes
1answer
2k views

Why does my phone slow down after using internet and installing apps?

I have Samsung Galaxy Y. I think that when I use wireless and installing apps, not immediately but after a while the phone slows down considerably. When it happens I must restart and when it turn on, ...
3
votes
3answers
4k views

How do I speed up media scanning?

When putting new music files or images onto the sd card of my android phone, android needs to scan for new files. Is there any way to speed up this process? E.g. putting all files in one directory? ...
2
votes
1answer
109 views

Evo 3D constantly locking up

I have the Sprint Evo3D, and as of late its been locking up a lot. When it locks up, the screen is no longer interactive, nor the buttons at the bottom. I have to power it off and then back on then I ...
6
votes
1answer
5k views

Force GPU rendering in ICS. How does this affect system performance?

I thankfully discovered the option to force GPU rendering of apps in the system settings of ICS. So far, I did only notice a difference with one app: Twitter for Android was very annoying to use ...
1
vote
0answers
520 views

Nexus S: slow, jerky web browser scrolling in ICS (compared to Gingerbread)

My Nexus S was OTA-upgraded yesterday to Ice Cream Sandwich 4.0.3 from 2.3 (Gingerbread), and I'm still finding my way around. One problem I've noticed has been web browser performance, particularly ...
1
vote
3answers
1k views

How do I find out why my phone is locking up?

My Samsung Captivate (Galaxy S series) locks up about once per day, where the screen is frozen and it doesn't respond to any type of input. There's no pattern concerning what app I'm running at the ...
22
votes
8answers
66k views

Dialer app becoming too slow and less responsive

It takes almost more than 5-10 seconds to open the dialer application in my phone. This has been happening for a while now and is especially critical since during incoming calls, when my phone snaps ...
3
votes
1answer
706 views

Is there any known memory leak in Gingerbread 2.3.3 fixed by occasional reboot? Related to battery usage?

I notice that when I reboot my Samsung Captivate, it runs smoothly for about 2 or 3 days. After that, I notice that there is a lot more lag with various apps, and the launcher screen is more likely ...
0
votes
1answer
1k views

Phone is slow to respond after waking up

Many times when I unlock my phone to wake it up, there seems to be a lot of lag shortly after. For instance, simply trying to make a call or opening an app seems to take about 5 to 10 seconds or so. ...
20
votes
4answers
27k views

Factory reset to restore performance? What are the disadvantages?

tl;dr: What bad things will happen if I do a factory reset? So I've had this original Droid for about a year and a half. I love this phone, and if only I could get it to be a bit faster and have a ...
3
votes
4answers
399 views

Is the Galaxy S II stable?

I am thinking about getting a Galaxy S2. It seems like a great phone, but I have some concerns about the system stability. I hear from Android users that Samsung's original ROM is very slow and heavy ...
3
votes
1answer
172 views

How can I fix my cheap Android 2.2 phone? Should I root it?

I recently purchased a Samsung Intercept for Virgin Mobile. The problem is that it doesn't work very well. There's a delay when doing almost anything on it, even calling or texting. It also has poor ...
3
votes
2answers
632 views

Does moving apps to SD card make launcher load time longer?

I've been experiencing longer and longer times for the launcher to load when removing my phone (Moto Droid, 2.2.1) from the car dock or media dock, or when running the clock application for a long ...
26
votes
10answers
8k views

Other than portability, are there any other advantages (or disadvantages) to storing apps on external storage?

Are there any particular advantages/disadvantages to storing apps on the external storage of an Android device? As I have a Nexus S, I can't think of advantages for me as I can't remove the storage, ...
4
votes
2answers
558 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 ...
8
votes
2answers
1k views

Is the class rating of my MicroSD card relevant?

Does Class 4 perform differently from Class 6, and so on, when it comes to Micro SD(HC) memory cards on smartphones? Samsung Galaxy S to be specific.
1
vote
1answer
500 views

What is Acer Liquid Metal maximum SD card speed class?

I want to buy a new sd and I'd like to get best bang (and speed) for the buck... But I can't find this information... Anybody knows?
2
votes
1answer
97 views

Do odexed programs have any runtime (vs load time) performance gains?

From my understanding, odexed programs are programs that are pre-compiled for specific architecture. It is obvious that this process would help decrease the startup time for the program. Am I ...
8
votes
1answer
7k views

Are ROMs with deodexed programs faster or slower than odexed?

I am a bit confused by the effect of deodexing (or even by terminology). Based on answers to "What is the difference between odexed and deodexed roms?": A "deodexed" ROM is one where the .odex ...
9
votes
3answers
8k views

Improve Android Emulator Performance on Windows 7 x64

I'm running Eclipse Helios on Windows 7 x64. I have a Core 2 Duo 2.0 Ghz with 4.0 GB which I think should be enough, since I've never have any performance problems with other developing tools. When I ...
1
vote
0answers
267 views

Android 2.1 - MyTouch Slide 3G - Tips to Fixing Slow Phone & Poor Battery Life [duplicate]

Possible Duplicate: What can I do to increase battery life on my Android phone? What are the best applications or best practices for fixing slow operating phones and poor battery life on Android ...
1
vote
2answers
332 views

constantly consuming high CPU

i want to use software to monitor my network, the monitor process is consuming 20% CPU times, is it any impact to my device except battery life? If a program constantly consume high CPU, will it ...
4
votes
2answers
298 views

Regular maintenance to keep the phone running quickly and smoothly

I've noticed that over time my phone has slowed down and feels laggy and less responsive in general. In the same way you'd get your car serviced every year, what can you run to keep your phone ...
25
votes
4answers
66k views

How do RAM and processor speed affect overall performance on Android?

Since Android can be installed on wide range of devices, I'm wondering how important RAM and the CPU speed are to the performance of a device. There are always tradeoffs when something is increased ...
0
votes
1answer
139 views

Please check your user name and password error message when I am trying to log in andFBChat1.3.0

I installed andFBChat app on android emulator and when I am traying to log in using my facebook account , it says wrong username and password although they are right why !!
9
votes
1answer
2k views

What are the pros/cons of using the JIT (Just-in-Time) compiler on an older phone?

On an older phone originally designed to run Android 1.5 or 1.6, what are the pros and cons of using a newer Android feature like the JIT compiler?
5
votes
2answers
3k views

Poor performance with portable wifi hot spot. Is this normal?

I'm using an HTC Desire HD to create a portable wifi hotspot on a 2G connection (yes, I know, but its all I got sometimes) so I can use my laptop for simple internet based tasks. My 2G connection on ...
3
votes
2answers
453 views

Troubleshooting the Android Emulator

When starting up my emulator at home, the emulator takes forever to start. Sometimes it does not start. If the emulator starts, it is hit or miss if I get a network connection. When it does finally ...
3
votes
2answers
10k views

My phone keeps slowing down and burning battery. How can I debug performance and cpu consumption? (DHD 2.2)

I know there are already a lot of threads about suggestions on how to improve performance and, strongly related, save battery life on your android. I also have tried most of the tools to diagnose ...
5
votes
3answers
9k views

How to reduce number of screens on HTC Sense android phones?

I was wondering, is there a way to reduce the number of screens available with HTC sense phones to say 5? Just I find that 7 screens is excessive for my needs, and I heard I can get a decent ...
2
votes
2answers
1k views

How can I make my hacked WPDN run faster?

I have a white Pandigital Novel that I hacked to run Android 2.1. Is there any way I can make it and the apps it runs go faster? It's already overclocked to 800Mhz and I have no home screen ...
2
votes
1answer
300 views

What is the dominant factor for evaluating performance for TTS & ASR?

We know that CPU speed ("MFLOPS") alone is not the only factor that determines the performance of an Android device. Other factors include the I/O subsystem, memory speed and, of course, the software ...