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Questions tagged [slowdown]

235 questions
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data uri slowing down page loading

i am using data uri for avatar image on profile page of the site.(i am using asp.net) Profile site is opening quickly but when i click link on profile page, chrome shows uploading message on left bottom corner and it is uploading very slow. i cannot…
verdery
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Performance issues in MySQL query using groupby and orderby

1) First query used ... which took around 23 secs select a.id from mza_movie_upload a,mza_movie_statics b where a.status=1 and b.download=1 and a.id=b.rid group by b.rid order by sum(b.download) desc Currently i modified the query ..which takes…
Vijax
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c++ multithreading and affinity

I'm writing a simple thread pool for my application, which I test on dual-core processor. Usually it works good, but i noticed that when other processes are using more than 50% of processor, my application almost halts. This made me curious, so i…
Zwierzolak
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Why does a method call slows down everything?

I have this small loop with a new object. for ($i = 0; $i < $ilen; $i++) { $time = microtime(true); $row = db_row($res, $i); echo "(" . ($i + 1) . " / " . $ilen . ") "; $element = new dataStructureElement($row['code']); $elementT…
user2381982
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Pointer to element in an 2D array slows down code

I have this piece of code which accesses some information about a point on a 'x' and 'y' axis. This information is later used to draw some points onto the screen. This is how the code works: //MAX_X_COORD has a value of 169 //MAX_Y_COORD has a…
Hjorthenify
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Over time Application built in FlashBuilder runs slower and slower

I have an application built in FlashBuilder written in actionscript that when I launch the application its very responsive and smooth running. However, over time and after interacting with some sliders in the application the program slowly becomes…
user1964603
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UIScrollView stops (or slows down) scrolling between stops defined by Paging

I have an iOS App that uses Unity3D. When I pause Unity to show only Quartz-related content, the performance is usually fine. But on a current project, scrollviews and table views sometimes perform very bad. They stop scrolling too early, and the…
lambruscoAcido
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WPF slowdown performance

It is an application developed in VS2010 with the philosophy of 3 layers for WPF Web Browser against Postgres database. A level of code (VB.NET) have followed the best practices suggested by Microsoft for code optimization. This is an application of…
xavendano
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Cordova 2.2 - Application runs slower after upgrade

After we upgraded from phoneGap to Cordova 2.2, the application runs notable slower. We are testing on iOS 5 and iOS 6 and at this point have no idea what could cause this slowdown. It did not occur on phoneGap. We do have a very complex…
Pascal
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Changing bg Image via Jquery very slow on IE

I´m having a problem changing the bg image from a div. It works on Google Chrome and Firefox flawlessly but on IE it hangs a little bit. It´s pretty slow on IE, and sometimes it doest even load the image properly. my jquery code…
japabr
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PHP slow if requested with AJAX?

I made a simple Webpage with an empty form Tag. This Tag is filled with the response of an AJAX request. The request asks a PHP script for data. This script returns its execution time. Now there is something really odd. If I type in the address by…
ortreum
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canvas 'requestAnimFrame' is slow when any event fire

I got a problem in drawing on canvas. the problem is that when some event fire, the 'requestAnimFrame' is slow. http://jsfiddle.net/pAjYC/4/ You can see a time between current drawing and next drawing. just type a little bit long text on any…
박정환
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Android Map Activity becomes slow overtime on Honeycomb

I am implementing a MapFragemt (using a hack to the compatability support lib that makes all FragmentActivities MapActivities). The Activity displays some overlays on the map (0-30) and the users current location. The activity contains on…
Patrick Jackson
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How to slow down text to Speech with SSML - voice sounds distorted/warped/ghastly

i am using nuance dragon mobile sdk for iPhone, for using text to speech. The readed text is a little bit to fast and i want to make it slower, so the user can learn the words. My aim is to slow down the text a bit. That works very fine with SSML…
brush51
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CSS style slow down the browsers

i have a stylesheet (css) that slow down the browsers speed (rendering). I tried to use a css compressor but the result it is the same, the original file weighs 1120 bytes and compressed 810 bytes, but compressing the file it still slow down the…
user10368033
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