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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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For Android devices, is internal storage memory typically faster, slower, or equal to microSD card storage?

For Android devices, is internal storage memory typically faster, slower, or equal to microSD card storage? For example, let's take the Samsung Galaxy S10 Android phone. It comes in 128GB, 512GB, and ...
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Why can't I get similar performance degradation with Monkey in different experiments?

I have configured experiments to test which among 10 launched apps impacts performance the most. But I can't make an objective comparison, because if I launch the experiment twice with the same ...
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Why doesn't Monkey generate the same sequence of events?

I'm running stress tests on Android using Monkey to generate the workload. For the type of analysis I have to do, I need to generate the same sequence of events for each experiment. So, in every ...
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Android 11 Samsung - Should you turn performance monitor auto manage performance off or on?

People have found that disabling this option actually increases FPS, but I'm not sure what exactly it does. Would turning it on save you on power and temperature somehow? Does it just limit ...
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Does clearing RAM actually help in performance before opening a game? [duplicate]

I have the samsung a32 5g. Is it a good idea to clear RAM often on your phone? I have 4GB total and notice it is always usually using 2GB, and 3GB when I have opened apps recently. To prevent app game ...
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What to look for in a phone that will be kept for many years? [duplicate]

I am asking this on behalf of someone who strongly dislikes changing their devices. What should I pay attention to when purchasing an Android phone with the intention to keep using it in the long term ...
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Why does an Android phone with Snapdragon 732G run slower than an Android phone with Snapdragon 678?

I am comparing the two phones: Xiaomi Poco X3 NFC - Snapdragon 732G (8 nm) - Adreno 618 - Android 10, MIUI 12 Redmi Note 10 - Snapdragon 678 (11 nm) - Adreno 612 - Android 11, MIUI 12 For both of ...
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how to improve performance for games?

When touch responsiveness is really important (other than urgent moments, actually that would be a more important context). I have a sm-j700, android 6.0.1, 1.34GB RAM (low RAM is the biggest problem)....
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Does software update decrease device performance? [closed]

I’ve been using an Android tablet for a month, and I’ve just got a notification on an update for my tab for Android 11 or One UI 3 (not sure if they mean the same thing). I’m on Android 10. Based on ...
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Frame stutters appear just when touching/swiping the screen on Android EMUI 8

I have heard about intensive apps causing frame stutters on Android, but this isn't apparently. I'm using a Huawei P10 Lite with Android EMUI 8 (Oreo), and the stutters in this case only happen when I ...
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How to determine which app or service is frequently writing to storage and causing lagging?

When I turn on the screen on a sleeping (but not powered off) high-end Samsung Android 7 Nougat device, the device is often very unresponsive (lagging) for 20-200 seconds. Using the excellent Simple ...
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Sharing image makes phone very unstable

I think that Motorola One can be considered a quite powerful phone with its octa-core 2.0 GHz Snapdragon 625 and 3 GB or RAM. It also produces a fairly small images of 4160x3120 pixels and approx. 3-5 ...
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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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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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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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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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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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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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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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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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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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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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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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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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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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3 votes
1 answer
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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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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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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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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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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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1 vote
1 answer
315 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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2 votes
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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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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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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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2 answers
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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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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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2 votes
1 answer
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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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2 answers
863 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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1 answer
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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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1 answer
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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3 votes
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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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1 vote
1 answer
935 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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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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3 votes
5 answers
5k 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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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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3 votes
7 answers
13k 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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1 answer
862 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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