Games run at half speed. No option to speed up - Galaxy S II

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What steps will reproduce the problem?
1. Load any rom on a Galaxy S II

What is the expected output? What do you see instead?
Everything else is fine and the framerate is good

What version of the product are you using? On what operating system?
1.7 on Gingerbread 2.3.4

Please provide any additional information below.
Tried everything still runs slow

Original issue reported on code.google.com by XevonNZ on 12 Sep 2011 at 11:49

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Can you clarify on this?  The game itself runs at half speed or the audio 
sounds slow?

Original comment by shinhals...@gmail.com on 19 Sep 2011 at 3:57

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The game as a whole. Happens with every rom, just runs in slow motion

Original comment by XevonNZ on 19 Sep 2011 at 3:59

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I have users with Galaxy S II running it just fine.  Still with Android two 
identical devices are not truly identical, odd ball bugs come up.  Is your 
phone doing anything crazy in the background?  Have you tried an 
uninstall/reinstall?  

Original comment by shinhals...@gmail.com on 28 Sep 2011 at 5:02

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Phone is behaving fine, market is crashing a bit however. Reinstall fixes 
nothing. I am running a custom rom, may be the cause

Original comment by XevonNZ on 29 Sep 2011 at 9:03

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After reinstalling, removing audio stretch seemed to solve the issue.goodness 
knows why this didn't work the first time

Original comment by XevonNZ on 29 Sep 2011 at 10:47

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Was going to suggest setting the audio stretch to 0. That's how I fixed it on 
my S II

Original comment by juan.ro...@gmail.com on 6 Dec 2011 at 4:21

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I am having the same issue on my S2, removing audio stretch made it run a 
little faster, but sound and game are still slow, so it didn't completely 
solved it. Already tried reinstalling and everything...

Original comment by cd.c0xi...@gmail.com on 17 Dec 2011 at 11:33

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Hi, I've tried to reports a similar issue, but couldn't, here it is:

What steps will reproduce the problem?
1.game start
2.
3.

What is the expected output? What do you see instead?
Sound crackle, some unexpected lines (like flickering) e slowdown

What version of the product are you using? On what operating system?
Latest GenPlus version on 2.3.5 android (Galaxy Note)

Please provide any additional information below.

The emulator used to run flawless and perfectly, but suddenly those issues 
started (this afternoon). Tried to fix reinstaling the app, but nothing 
happend. I´m not sure if any update was released at least 2 days ago and I 
also uninstaled the other emulators I´ve downloaded today (ataroid, Mame4Droid 
reloaded and Tiger Arcade) but the problem persists.

Original comment by rivethea...@gmail.com on 25 Mar 2012 at 2:11

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i am running genplusdroid on S3, somethime the games are flawless and other 
times they run slow, anyone know why i have this intermittent fault ???

Original comment by spizz...@gmail.com on 23 Jun 2012 at 10:58

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What steps will reproduce the problem?
1.Game is running up very slowly
2.
3.

What is the expected output? What do you see instead?

I opened the simulator, and then open the game, the game speed is slow, the 
voice is also slow

What version of the product are you using? On what operating system?

genplusdroid version is 1.9.3,and Other version also tried, slowly,My equipment 
is ainol novo7 basic ,and mips architecture,But it can pass a software to make 
ARMV6 to MIPS operation
Please provide any additional information below.

Original comment by ljf1...@gmail.com on 1 Sep 2012 at 6:01

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Same here on a Nexus 10 tablet running Android 4.2.1. It looks like switching 
to another app and coming back makes sound work perfectly fine for a few 
seconds, but then it gets progressively slower showing the problem again.

Just a wild guess: perhaps you're creating continuously some kind of Java 
object or allocating resources that could be reused? This sounds like the 
garbage collector or something similar hitting the app performance badly.

Original comment by shirokur...@gmail.com on 28 Jan 2013 at 1:59

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Hi. It seems that problem with slow game speed is somehow related to devices 
with multicore processors, like S2, S3, Nexus 10. I have Alcatel OT997D with 
dual core processor and have the same problem like everyone else here: Game 
runs at half speed. I also have Samsung Galaxy Gio (single core 800Mhz 
processor) and all games run smoothly at normal speed. Also I noticed when I 
click "reset shader" in app menu, game and sound speed returns to normal for 
few seconds, and then gradually slows down to half speed.
I hope this info helps in solving the problem.

Original comment by pistin...@gmail.com on 15 Mar 2013 at 1:58

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Am having the same problem on galaxy note 2. If I set to 0 frameskip and 0 
audio stretch, works smooth, but at about half speed.

Original comment by ranzi...@gmail.com on 28 Jun 2013 at 5:01

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Try switching off energy saving in the android settings. I've had the same 
problems when energy saving was turned on (Samsung Galaxy S Relay 4G, android 
4.1.2).

Original comment by martin....@gmail.com on 17 Feb 2014 at 11:16

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I tried usually different genesis emulators on my phone and still nothing. Im 
using a samsung galaxy grand neo

Original comment by stevenso...@gmail.com on 13 Oct 2014 at 2:43

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Thanks guys. Turning the audio stretch to 0 fixed this for me! 

Original comment by Joel.Inn...@gmail.com on 22 Dec 2014 at 10:44

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Original comment by joelespi...@gmail.com on 19 May 2015 at 3:58