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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What is the most stable kernel for my ALE-L21 (2015) alice and ROM?

I'm pretty sure that this is already a weak legacy device but I want it to be useful and stable in performance to the max. Can you suggest the ultimate kernel for my 7.1.2 AOSP based custom ROM? Note:...
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13 views

Is it a requirement for an Android Go image to use f2fs format for data partition?

I am currently performing performance testing using PCMark on a 2GB Ram Android Tablet but changing its OS (Android 10 vs 10 go). I have noted a considerable increase in storage performance (around 40%...
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14 views

how to know which application is hogging the system

My Sister has a Xiaomi Redmi Note 7 phone, using MIUI 11 on Android 10. Unfortunately, the System shows small lags randomly, I've got the same phone and OS but don't suffer from this problem so it's ...
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14 views

Why i have less performance in LG apps when openning in the default way?

So, i have a LG phone and i don't know what LG do with his systems, but when i open a game that needs better performance, and if a open it on the default way (just click on the game in the menu) i ...
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25 views

Huge difference in transfer speeds when using separate directories for transfer

I was transferring around 12k images (total size around 2 GBs) from my laptop running Windows 10 1909 to my Android phone via USB. Initially, it was around 5-6 images copying per second and soon after ...
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19 views

Is there any way to tweak Android to more quickly render image thumbnails?

For example, when previewing to include in a tweet or other social media post via a file browsing app? I know apps can be coded to leverage more robust image and thumbnail caching and related stuff, ...
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30 views

How to log the source of a freeze?

Since some time my Samsung Galaxy 9+ sometimes freezes. I have the impression that this is somehow related to Chome but I am not sure (maybe it is just because I spend there more time than on other ...
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38 views

What is Relevant benchmark values for microSDcard performance?

I found benchmarks of micro SD card in various websites. For reading those values and deciding and understanding and clarifying which one is relevant for adoptable/ swapping. I want to know what speed ...
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133 views

How to Benchmark MicroSD card internal and external in Android Mobile Phone through ADB SHELL commands?

How to Benchmark MicroSD card internal and external in Android Mobile Phone through ADB SHELL commands? There are many Benchmark Apps (Andro Bench, PCMark, 3D Mark, Crystal Bench for windows) to ...
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1answer
381 views

How to check that my Phone supports MicroSd Card SDXC UHS1 Bus Speed U30 card or not?

My device manufacturer technical specifications say that Expandable storage supported is of 128GB FAT32 hope its slots must be supporting SDXC form factor not SDHC form factor and UHS1 U3 BUS SPEED I ...
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97 views

Compatibility Feasibility Speed and use of High Capacity MicroSd Card for adaptable swapping and linking apps?

I want purchase a new high capacity (64GB or 128GB) high speed (100Mbps 170Mbps 250 MBps) MicroSdcard for Swapping/Adoptable /linking apps through Link2SD/ portable (adoptable) storage so i want ...
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39 views

Is it possible to view disk/IO activity by per app?

Is there really no way to see disk activity by per app/thread on Android OS? A tablet (android 5.0.1) gets very laggy at times, especially on startup. I can see its because of high disk activity but I ...
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48 views

Profiling tasker tasks for best performance

I'm working on a project to intercept the android.bluetooth.device.action.BATTERY_LEVEL_CHANGED intent using tasker and shunt the battery level to display as a widget on my smartwatch. I'm planning on ...
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29 views

Why switching off for 5 minutes increase the android device performance

I have observed that an Android device (I have tested on Mi 6 Pro) will regain the performance which have been deteriorated for some months after I have switched off the phone for 5 minutes and then ...
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26 views

Is it possible to prevent an android from slowing down in just 2 or 3 years or even 4 years

I know that SSDs wear out with time but it takes a long amount of time for the wear out noticeable affect performance (not 2 or three years). I can TRIM the SSD as far as I know to bring back it's old ...
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1answer
5k views

Should I get A1 or A2 spec'd Micro SD card for my phone? [closed]

I'm currently running with Samsung EVO Micro SD card in my phone (GT-i9195 or serranoltexx) in Adoptable storage mode. I'm looking for a faster card to improve performance. I was about to get Sandisk ...
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100 views

Why is ART still needed on Android?

The reason Andy Rubin chose Java for Android Dev is not publicly known, only speculations, but it seems to me that the combination of being able to run a Java app everywhere (because the earliest ...
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982 views

If I reset my phone, will it also TRIM the fragmented eMMC?

I know that Android supports fstrim but it only works if the phone is idle for a long time while charging. I think my phone is too fragmented and is lacking performance so I want to reset it but I am ...
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93 views

Does installing, deleting and reinstalling an app make your phone slower?

I recently bought my oneplus 7 pro and I was wondering if installing a certain app, deleting it, and reinstalling it again makes my phone slower. I was forced to do this to a certain application today....
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1answer
588 views

Clock speed of Adreno 509

I'm sorry if this if off topic but I don't know a better place to put it, after it's a GPU used in Android device My ROM maintainer has capped it at 430 mhz on the Moto z3 play. I distinctly remember ...
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84 views

Is speed improvement to be expected from rooting/modding a Samsung Galaxy Player 4.2 YP-GI1

I have an old Samsung Galaxy Player 4.2 YP-GI1 lying around and would like to use it either as a media player or a media center remote. However even after a factory reset the device or the UI reacts ...
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1answer
64 views

How do I troubleshoot low touchscreen event rate?

I have a strange slowdown on my device (non-rooted Android 5.0.2). At times, the screen becomes unresponsive. And touchscreen testing apps register only a few events per second when I move my finger ...
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116 views

Does buying thousands of apps (but not installing them) cause bloat in Android?

A few years ago, Google added the ability for app developers to place their apps "on sale". They included the ability for developers to temporarily offer their apps for free. I started "buying" ...
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26 views

How to find out what slows down a freshly installed OS?

I have two Fairphone 2 devices here, one owned by me, one by my mother. She got hers in September 2017, I in January 2019. Mine has a few slightly upgraded pieces, like a better camera and battery, ...
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2k views

Does Huawei's super charging affect the battery?

I have a Huawei P20 pro and it came with a "super charger" that can take full charge the phone's battery really quickly. Sometimes in less than an hour. I wonder if this affects the battery's ...
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45 views

How to get rid of Google invasion?

The performance of my phone became very poor. It's very slow. When I open the wifi, it freezes for a few minutes! I had to reset factory default. After the resetting, the phone became super fast once ...
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223 views

How come Android can support 2 apps in split screen but not in background?

I read another question on Ask Different about why apps have to reload when you switch to another app and back, and I think it's the same for Android. But why does this not happen in split screen? ...
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27 views

microSD card performance issue

I have some microSD cards and I noticed a weird behaviour: larger microSDs give lower results! For example, using them on my Note 8, I get these results: Code: 64GB -> R: 70MBs W: 35MBs 128GB -&...
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Incredibly low performance of Contacts app in Moto Z / Android 8

My 4 GB/64 GB/8 core Moto Z2 is incredibly slow when it comes to built in Contacts app. I.e.: it requires at least 3-4 seconds to open it up, it needs at least 2-3 seconds to exchange phone numbers ...
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39 views

How do I control how many processes run in the background on Android Marshmellow 6.0?

My tablet has a tendency to run kind of slow, and I think it's because there's too much running in the background. How do I control how many things get started at one time?
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34 views

How to infer battery consumption on a non owned app

I am a back-office system developer, and am struggling to deal with a problem. I am addicted to podcasts (in fact I use the Podcast Addict app), but I am interested in all kinds of subjects and there ...
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2answers
805 views

Lenovo Vibe p1m suddenly slow

Today I notice my Lenovo Vibe p1m is running slow. It coudn't open Chrome without freezing. The whole UI is basically sluggish. It also couldn't open the flashlight. I have tried removing the sdcard ...
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110 views

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
42 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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1answer
840 views

Performance troubles with Motorola Moto X Force (Android 7.0)

Since quite some time I am having some peculiar performance problems on my Motorola Moto X Force. Sometimes any interaction (like just opening Chrome for example) takes incredibly long until it ...
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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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1answer
7k views

Slow touch response

My girlfriend bought a Lenovo K6 with Android 6 a few months ago. After some time, I tried to use her phone and I notice that the touch responsiveness was very slow. I feel a delay in every touch (...
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640 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
866 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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1answer
370 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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5answers
3k views

Does downloading too many games slow down a device?

I have over 15 games on my device. Some do occupy some memory; others not so much. I have enough leftover memory on the phone. Is it true that this can slow down the device?
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309 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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36 views

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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6answers
9k views

CPU-Z shows 8 cores, but 4 of them are stopped

I am using CPU-Z to test basic things about the J7. It reports an Exynos Octa 7580, 8 cores, 8x ARM Cortex-A53 @ 1.5GHz, r0p3, 28 nm. At all times that I checked, only cores 0-3 are active, and cores ...
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1answer
773 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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69 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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2answers
177 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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468 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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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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