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).

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0answers
11k views

Why is my Xperia U slow? [closed]

I have a Sony Xperia U running Android 4.0.4 ICS. The problem is that it runs really slowly. It is particularly bad while multi-tasking. While listening to music, if I get a phone call, it hangs. ...
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0answers
2k views

Explain the ondemand CPUFreq governor parameters in SAMSUNG galaxy S4?

I am trying to understand how does the onDemand CPUFreq governor works. I have a SAMSUNG S4 device and I looked into the following file to see the tuneable parameters of SAMSUNG Glaxy S4 GT-i9505 (...
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2answers
123 views

Are running apps slowing down Android phones?

When my phone (Xperia J) is getting slow I'll go to Setting→Apps, select running apps, and delete everything in there. Then I go back to the homescreen and I notice that my phone is faster. So is ...
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1answer
381 views

Can Anti-virus affect device performance?

I have installed some anti-viruses on my device, and since then I am feeling that the performance of the device is quite slow, and when I uninstall them the device works fine, and the device starts ...
2
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1answer
299 views

Why a phone gets slower as time passes?

I did a hard-reset, wiped everything everywhere, reinstalled firmware and changed SD card. However, the phone still works extremely slowly, not as when it was bought. What can wear out in phone? Inner ...
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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 ...
8
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1answer
991 views

Performance impact of device encryption

As far as I know, most or all Android devices don't have any hardware cryptography accelerators, so the block-level storage encryption happens on the CPU. How high is the impact of encrypting and ...
2
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0answers
376 views

TRIM command operability in Android 4.3

Has anyone been able to confirm the usage and operability of the fstrim (TRIM) functionality in the latest Android 4.3 (Jelly Bean) release? I have seen multiple articles mention the operability of ...
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2answers
403 views

Galaxy Nexus slow on WiFi wakeup

Performance question here : my Galaxy Nexus is really slow right after I connect it to a WiFi network after long periods not being connected to the internet. That doesn't happen on EDGE or on 4G, and ...
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0answers
18 views

How to optimize my Rooted desire bravo for gaming? [duplicate]

Presently using the Runnymede AIO V6.0.4.3 Special Edition [Stable] Tried Cyanogenmode-7.2 Stable But I am finding great lag in performance when playing games. Such as Angry Gran, Temple run, ...
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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 ...
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1answer
608 views

MicroSD card performance during boot

I have a Nook HD+ and a Nook HD. When I ran CyanogenMod off of a MicroSD card, the Class I (43MB/s) doesn't even boot! I spent $30 on a 32GB one. The Class 10 (10MB/s) 16GB booted, but ran poorly ...
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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 ...
2
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2answers
258 views

Huawei G300 not fast enough for Google Racer

So on my Nexus 7 (currently clocked at 1300mb RAM) Google Racer works fine. However, when I use it on my Huawei Ascend G300 (only clocked at ~30mb less RAM) it says it is too slow. This doesn't ...
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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 ...
3
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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 ...
5
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1answer
642 views

Performance gain from upgrading higher class SD card [duplicate]

Possible Duplicate: Is the class rating of my MicroSD card relevant? If you've upgraded the SD card on your phone to a higher class, have you measured or noticed any significant performance ...
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1answer
2k views

Maximum (micro) SD card speed class for HTC EVO?

What is the maximum class (e.g., 2,4,6,8,10) supported of microSD card supported by the HTC EVO? I noticed an improvement in performance when upgrading from the Class 2 to a faster card on my Hero. ...
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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?
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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.
26
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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, ...
3
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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 ...
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1answer
3k views

How to speed up Android during bootup time?

I'm looking at the bootup time of Android on my embedded device and I'm trying to get a sense for where I can save some time. 1) What are some things that you've done to really help speed up the ...
1
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1answer
1k views

Why My android device show less RAM and Slow at Jelly bean? [duplicate]

I bought a new Samsung galaxy S Advance(GT-i9070). It came with Gingerbread. It was actually a phone with 768 RAM. I clearly verified this with the shop when I bought it. Last day I upgraded my phone ...
3
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3answers
574 views

Ways to improve battery life on Droid Incredible?

Out of the box, I noticed my Incredible has a lot of stuff running/turned on by default. Besides the basics of turning off WiFi, GPS, and BlueTooth when I'm not using them, are there more steps I can ...
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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, ...
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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?
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My OS and phone freeze and lag every time the blue “Show CPU Usage” bar appears. What is it?

Lately, I've been experiencing the very unpleasant phenomenon of my almost new S3 completely locking up and stopping responding to input. It's like a very serious lag that has to either be waited out, ...
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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 ...
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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 ...
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0answers
3k views

Samsung Galaxy S has become very slow

My phone recently has begun to become very slow. At certain times of the day, the phone will completely stop working and will have to be turned off by holding the power button. Sometimes, the lock ...
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1answer
2k views

Nexus 10 handwriting apps always lag

So I just bought a nexus 10 and among the many reasons for getting one, I want to take notes with it. I've bought myself a nice stylus that works wonderfully on iPads and my galaxy nexus phone. ...
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2answers
4k views

galaxy s2 cellphone problem; possible virus

I read that it is used on the computer. It has been coming up on my Android Galaxy 2 s. It is on at least 3 times at once and up to 7 or 8 at once. They are called kworker/0:1 through kworker/0:4 ...
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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, ...
0
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1answer
178 views

How to run android phone flawlessly ? [duplicate]

Possible Duplicate: What are some general tips on improving overall performance of an Android phone? I have been using android phone(Sony Xperia Tipo Dual) few months now .However I see that ...
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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 ...
5
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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 ...
4
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1answer
690 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. ...
3
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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? ...
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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 ...
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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 ...
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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 ...
2
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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 ...
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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-...
4
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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 ...
2
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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 ...
2
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1answer
555 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
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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
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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 (...
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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. ...