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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Android Auto unusable

I have a Google Pixel 2 XL and a Sony XAV-AX100. More often than not, when I connect the phone to the car, Android Auto is unusable. Everything is sooooo slow, that I have to reboot the phone. I can ...
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1answer
2k views

Do android phones have hardware chips for encryption? If it's software only, then what is the performance/battery impact?

Do android phones have hardware support for the OOTB full phone encryption or is it entirely done in software? If there are phones which have hardware support for encryption then where could I find a ...
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5answers
212k 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 article)...
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1answer
3k views

Reduce delay when waking up the phone

The delay between me pressing the power button and the phone actually waking up is annoying. Is there any way to optimize this?
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1answer
39 views

lan transfer speeds

I have been trying to figure out what is limiting my lan transfer speeds. I have openwrt/lede on my linksys router, and a samba server running on it with a usb hdd plugged in. My last device, a M8s ...
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4answers
7k views

Is it possible, that old smartphone becomes slow simply because it is old?

I have 3.5 half year old Samsung / Google Galaxy Nexus i9250. The phone has become so slow after that time, that it is simply being unusable. Launching any application, as simple as Gmail or Calendar ...
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1answer
8k views

Improving performance of YouTube app

I have a Galaxy Tab 10.1 (a.k.a. p4, P7500), running Android 4.2.2 rooted (latest CyanogenMod nightly build: 10.1-20131208-NIGHTLY-p4) and YouTube v5.3.28. Does anyone have an idea how to improve the ...
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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 ...
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1answer
21k views

Is it necessary to update android apps

Recently i got a new android smartphone and i want know if its necessary to update android apps frequently.The reason for asking this is 1)does updates for android apps reduce the battery usage? 2)...
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1answer
854 views

Samsung S7: stuttering during slow motion video recording

When I try to record slow-motion video on a Samsung S7 (running Android 7.0), there is often stuttering. This has ruined some otherwise amazing footage I acquired. What can I do to ensure that there ...
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3answers
2k views

Why are apps slowing down my phone just by being installed?

I have about 50 apps installed on my phone (not counting system apps). And my phone is absolutely unusable this way. Everything lags so bad that I can barely even enter my lockscreen pattern. I ...
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619 views

How to identify which app is reading from my disk

Except for disabling one app at a time or all at once and then enable them all slowly again (The Elimination method) - How do I identify what app is reading my disk ? it happens periodically and ...
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1answer
386 views

My HTC Hero Upgrade to Android 2.1 has slowed it down!

I went ahead and let my phone update itself and since then it's been realllly SLOW. Phone calls take 5-45 seconds to connect, which is beyond aggravating. Apps don't run as fast as they use to. And I ...
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1answer
367 views

Why my phone keep restarting apps?

When i play game, my phone always restart the game every few minutes to the first screen. It is same when i play a video it is always blinking and skip few seconds every few minutes. It is so annoying ...
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178 views

Massive slow down when changing networks

Whenever my phone switches from cellular to wifi or the reverse, the phone effectively stalls. This can last for a minute or so. It is still functional during this time, but very slow and stuttering ...
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306 views

Why is CPU usage constant high (~2/2/2.5) on Samsung S3?

Short story: Samsung S3 running stock Android 4.3. Was sluggish, turned on "show CPU usage" in developer options and it hovers around 2/2/2.5. Stopping all active apps doesn't help. I see "mmcqd", ...
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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
542 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
751 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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62 views

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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4answers
41k views

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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0answers
171 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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2answers
175 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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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
146 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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0answers
442 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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3answers
12k 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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2answers
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
8k 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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1answer
203 views

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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1answer
563 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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1answer
977 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
368 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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5answers
268k 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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2answers
805 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
905 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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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?
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1answer
1k views

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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0answers
401 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
17k 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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6answers
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
516 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
184 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
28k 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 ...