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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Where to compare flash memory (internal memory) performance?

I used some apps from Google Play ("Disk Speed / Performance Test" and "A1 SD Bench") to get some metrics for the internal storage (NAND flash memory) of my tablet. I got +/- 25 MB/s reading, +/- 9 ...
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3answers
528 views

HTC One internal storage performing very slowly

Using A1 SD, I can see that my HTC One (M7)'s 'internal SD card' (ie, the embedded storage) is incredibly slow compared to other benchmarks listed by anonymous users for the same phone. I'm only ...
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1answer
599 views

How to prevent CPU throttling after not poking at screen

I'm trying to run some benchmarks on a Nexus 5 using GNURoot Debian. (The purpose of these benchmarks is to figure out which implementation strategy of an algorithm is the fastest on ARMv7, so the CPU ...
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Will there be a performance issue if I put many files in a single ext4 directory?

I have a database of 250,000 tiny audio files that will grow to perhaps 500,000. I need to copy this to my Android phone's ext4-formatted internal storage. I have discovered that some computers are ...
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1answer
3k views

What is the initial TCP Receive Window size in Android?

This may be pretty similar to the question here, however, I think it was either in the wrong place, or it wasn't clear enough, so it hasn't got to the right audience. Thus, I have re-formulated it ...
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Why does my Android device slow down after successive ROM updates without wiping?

I have a 32 GB Verizon Galaxy Nexus (toro). I am running Cyanogenmod 10.1 ROM nightlies and I use CyanDelta Updater to stay up to date. For a period of about 3 weeks, I updated to the latest nightly ...
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170 views

Do Android devices become slower with time?

I own a Galaxy S (2.3.5 / GT-I9000 / BVJV3) and use it since two and a half years. I also have bought more recent hardware, like an iPad Mini and a more recent Android tablet, which comparatively are ...
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2answers
4k views

Galaxy S GT-I9000 is slow

My GT-I9000 takes ages to come "alive" after powering up. It has been slow for a while, but now it has gotten even slower, anything up to 10 minutes sometimes. When it activates, everything works fine....
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164 views

I can not find informations about Hisilicon kirin 650

I want to know if Hisilcon Kirin 650 is a heterogenous or a homogenous processor!! (working all 8 cores or 4 by 4, not in the same time ) Please answer to my question !!
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55 views

How can I debug degrading performance for my Shamu device?

I've had my Nexus 6 since it first came out and will be replacing it with the new Pixel anyway but I want to get to the bottom of this. In the last 6+ months the phone got increasingly slow and ...
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1answer
139 views

Practical longevity of current Android phones [closed]

Before continuing to read, please understand that I do not have a smartphone and have never had one. Thus my experience with such devices is minimal. I am thinking about getting an Android smartphone,...
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296 views

fstrim not working

I have a Samsung Galaxy Note II running CyanogenMod 11, so it's obviously rooted. As of recently the phone seems very laggy and much slower than it used to be. So I did some research and tried ...
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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 ...
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8k views

Do widgets slow down Android phone?

I use a lot of widgets (like Gmail, calender, weather app, Facebook, music, news, etc.) and since I have been using them I feel my mobile has become slower than before. I don't use a task manager. ...
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1answer
5k views

Locking the speed of the cpu on an android phone

The battery life of my cell phone lasts for about 6 hours. About 2 days ago I downloaded the app CPUControl to reduce the speed of my CPU. This resulted in more than 20 hours of battery life. However ...
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Is force stopping an app equivalent to uninstalling it, as far as increasing the performance of a phone is concerned?

Suppose I force stop an app and it stays that way for long. Will this boost the performance of my phone in the same way as uninstalling the app would?
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446 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 ...
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10k 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 ...
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1answer
733 views

Approaches for diagnosing input lag / performance problems

Recently, my phone (A non-rooted Note 4) has begun to exhibit widespread performance problems. All apps and interactions are affected: the UI pauses frequently and even lightweight soft keyboards (...
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3answers
354 views

What happens to CPU frequency when Android downloads a large file with screen off?

For example, I start downloading system update file and hit the power button to dim my screen. What happens to CPU? Does it lowers its frequency or change its governor to powersave? Or does CPU ...
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1answer
11k views

What are some general tips on improving overall performance of an Android phone?

I was wondering if anyone could share some general tips on speeding up/ improving performance of your phone. I have had my droid eris for about a year now and it seems more sluggish than ever. I ...
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233k 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 ...
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726 views

Android's native process management vs. Greenify

Disclaimer: I'm not in any way connected to the Greenify developers, nor am I trying to promote Greenify or anything. I'm actually interested in the answers to these questions. I've found that with a ...
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1answer
647 views

Why does any app having an active overlay is causing low frame rates?

Any app that I try on my device that is some kind of on-screen tool, such as monitoring apps, pie apps, screen filters, corner sliding apps, etc., makes the device have consistent low frame rates. ...
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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?
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Is a 16gb class 4 micro sd card enough for hd gaming on Xperia Neo V GB?

I want to expand my storage to 16gb primarily for HD gaming (which the Neo V does so well). I have been offered a great deal for a SanDisk 16GB card Class 4 and wanted to clarify if it is enough for ...
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399 views

OnePlus Two Freezes often

I have been using the OnePlus Two for few months now. About two months ago it started freezing and slowing down. Often I have to power cycle the phone in order to get it working again. Usually it ...
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1answer
15k views

General difference in read/write speeds for internal memory vs SD card

I understand that read/write speeds are dependent on what the phone is, and what the SD card is, but since both are flash memory, I thought the read/write times would pretty much be around the same. I ...
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8k views

Nexus 7 Incredibly Slow

Over the past few weeks, my Nexus 7 running 4.2 Jelly Bean has gotten incredibly slow at times. Sometimes I can count off a full five (or more) seconds for an app to open or even for something as ...
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2answers
2k views

Why android OS performance is not too efficient compare to iOS? [closed]

Android phones have better processor and more RAM than iPhone. Then after many android phones are suffering from hang problem. Both OS are based on Linux then why should this big performance issue ...
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1answer
455 views

Why apps are launching slowly?

This issue happens on all of my devices no matter what operating system is on it. Apps launch slowly, however the resources monitor says that CPU and RAM are not busy that much. For instance, I ...
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1answer
133 views

Android Versions Size Vs Features

This occurred to me while updating Windows laptop. Each version of Windows gets bigger, much bigger in size compared to the extra benefits to "average Joe (or Jane)". Question: What is the size of ...
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1answer
23k views

Removing junk files from my Android device

Previously I had installed an application for cleaning junk files from my phone, but the app no longer works with my device. What is the best way to find and remove junk files from my phone in order ...
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5answers
11k views

What is /system/bin/mediaserver on Android, and why is it pegging the CPU?

I noticed that my Motorola Droid, running rooted 2.2 Froyo, has been acting sluggish sometimes. I fired up the terminal emulator, and ran top, and noticed that /system/bin/mediaserver is using around ...
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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 ...
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2answers
593 views

What Google Apps can I disable?

I'm using a Kitkat 4.4.4 based phone (Samsung Galaxy S Duos 3) For the most part I don't use G+ or Maps or most of the Google apps provided. But I do prefer documents being backed up, so I've ...
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4answers
33k views

Why is my phone slow?

My phone has lately been really slow. When I turn on the screen, particularly if it has been off for a while, the phone is really sluggish. For example, it might take 30 seconds to respond to my input....
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4answers
514 views

Why does my phone peg the CPU every time I wake it up?

This is driving me nuts. I have SeePU installed so that I can see a CPU graph on my Moto Droid. When I unlock the phone after being idle for a while, the CPU is pegged by android.process.acore and the ...
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1answer
693 views

Fast boot up on iMX6

I'm working with a development board based on Freescale i.MX6 ARM Cortex A9 processors. You can have more info about the board on this link. The Android version I'm using is the one provided by the ...
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51k 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 ...
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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, ...
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1answer
119 views

So, what type of process is Android Keyboard?

I've recently installed CyanogenMod 11 on my (now very old) LG Optimus 2X. After some tweaking, I managed to make it work much snappier than the original ROM, one of the main things being setting the ...
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1answer
210 views

SD Maid on Rooted Roger's Galaxy S3 hanging on “System Cleanup” and “Duplicate”

My phone is a rooted Canadian Samsung Galaxy S3 (SGH-I747M) running stock 4.4.2. I've had SD Maid installed for a very long time and it's worked great up until now. I've never had any issues with it. ...
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1answer
1k views

How can I maintain stable/smooth performance permanently on a Nexus 7 2012 (wifi) [grouper/nakasi]?

After a day to a few days, the n7's performance will degrade sharply to the point where a reboot is necessary for the device to function properly. I've tried numerous ROMs, a few kernels, tweaking ...
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1k views

/system/bin/mediaserver and /system/bin/drmserver dont want these but Android disagrees

I used this link Use Adb to disable Media Server hoping to permanenenly disable the battery hogging media server process . It did not work Mediaserver still runs on my Android 4.4 Jiayu S3 phone as /...
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1answer
109 views

Does Android OS clutter similar to Desktop OS

What I mean by this. Is it expected that overtime, the performance of a device will be reduced, and the software will work slower? This is assuming no changes in core OS (e.g upgrade from 4 to 5 etc). ...
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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 ...
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1answer
996 views

My icons in the homescreen are not showing up (galaxy s6 edge)

I have a Samsung Galaxy S6 Edge and I bought it about 2-3 weeks ago. Its performance has been weakened lately, first snapchat stopped working and every time I open it crashes. And now none of app ...
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1answer
1k views

Why do US SIM cards slow down my Galaxy Note 3, and prevent system settings from opening?

I have a problem that seems specific to US SIM cards. They cause the performance of my Galaxy Note 3 to tank, and I can't get into the system settings at all, without rebooting my phone into safe mode....
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44 views

Find process causing io

I've been having some serious performance problems with my fairphone (wait times of 1 minute or more before apps open or switching apps, and general lack of responsiveness). I installed System ...