Actionscript 3 - Animated Background In Flash - High CPU Usage?
Feb 24, 2012
I've hired a freelancer, to make a design for my flash app. And everything was fine, untill I saw this. It was an animated background. It has about 100 tweened movie clips, that do pretty much the same - simple rotation tween, but cpu usage on that background only reaches 17-20%. Its high for such a small effect. I've tried to optimize it - removing all code, and leving just timeline based tween, but that didn't solve my issue.[URL]
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Feb 21, 2009
As more and more FLV videos are moving to HD, I'm noticing high CPU usage and lots of dropped frames when playing FLV video in web browser with Flash 10. This is true even if the video isn't full screen. I've tried a variety of browsers (Firefox, I.E., Chrome) and the problem occurs on all of them so it's pretty clear it's a limitation in Flash.
Now my PC isn't high end (it has a Pentium M 1.86 GHz processor), but I can take those same FLV files and load them in something like Media Player Classic or Windows Media Player (when using ffdshow) and play the FLV files full screen with little or no drop in frames and an acceptable CPU rate.
This is especially annoying on sites like YouTube where I actually have to save the video and play it back in something other than Flash to have it play back at an acceptable rate. This doesn't work for other sites like Amazon.
Why is the CPU usage so high when decoding and displaying videos when compared to other media players?
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Feb 5, 2012
I'm building a GUI for a karaoke system which uses Flash IDE.
Im not doing the OOP method, if you ask me why, its becoz I code slower with OOP and I need this urgently.
Anyway, I had only created 3 scenes with several simple MovieClips in it and some png files as button icons.
When I try to publish it and run, i noticed it will just freeze my Flash IDE and I've checked the CPU Usage in TaskMgr, it shows over 50% usage.
The filesize for this FLA is just 992KB, so you can probably tell that it doesnt have much bitmap in it.
I am hoping someone in this forum could show me some light as I've already struggle for the past 12 hours with no luck at all.
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May 12, 2009
I've been deploying video to the web via Flash for a couple years now and I was curious if anyone has experience with / knows if deploying video via a Flash Media Server or any other type of video centric server has a significant impact on performance playback? I've noticed lately that with YouTube content, often available in "HQ" or "HD" that the video playback suffers very marginally when switching to higher quality video. However, with video players I have developed, using HTTP progressive download, CPU usage often spikes during download of the video and decreases once it's been cached. I've also recently employed pseudo-streaming techniques with the help of XMOOV but this doesn't seem to have much of an effect on CPU usage during video download.
My video player was developed in AS3 and while it's not using a class based structure, it does follow general OOP techniques. Would a class based video player improve performance? Here is a link to a work in progress video player: [URL] Please try a couple videos and let me know if they play back smoothly and / or if you notice CPU spikes. Also note that the only video that makes use of XMOOV is the "Make a Wish" video as it's been injected with the necessary metadata.
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Nov 16, 2009
my flash has lots of images and dispaly objects. Hence it costs high cpu usages. after using my flash for an hour, it is dieing.I am trying to reduce it. I have some questions here:
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2. does anyone know how to force the flash to do garbage collection??
3. any other possible reasons that cause high cpu usage?
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Apr 16, 2009
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Jun 11, 2003
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reduce the CPU usage.
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Feb 24, 2009
I'm working on a new site and one of the things the client likes most is the idea of these gears that are constantly rotating on the screen. However, now that I have the mock-up design done, I'm noticing that the constant rotation requires a lot of CPU to maintain. Has anyone else experienced this and have you figured out a better method than the one I am using to rotate the movieclips?
[Code]...
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Jan 8, 2011
All three of my family's computers have been experiencing problems with the firefox plugin container. The container spikes the CPU for long, long, periods of time slowing overall performance noticably.The only way to address the problem is to kill the Firefox plugin container.When I kill the plugin container it kills Adobe Flash.I've tried clearing the flash cache from the Adobe troubleshooting site, deleting all cache applications, and changing settings.My family plays Farmville which is always hanging and can only be fixed by restarting the computer. Okay, maybe farmville is a bad app.
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Jul 29, 2011
There are 25 livestreams streaming to FMS4 server by fmle3.2,and client number is 20, (FMSCore.exe)CPU usage is about 20%~40%, how can i reduce cpu usage?
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Sep 6, 2011
I've created a Flex website that plays a video using the Spark VideoDisplay component. When selected, the VideoDisplay loads in the PopUpManager.
This works fine in all the browsers, except Google Chrome take significantly longer to start playing, during which the CPU usage peaks, then goes back down once video starts playing.
I've traced the player states it goes through and they are as follows:
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What could be causing this to temporarily hang for so much longer in Chrome? I thought I could expect the same functionality and behaviour throughout all the browsers, as Flash is simply a plugin that runs as a separate process?
Edit: It seems that it's the same in Opera too. Is there any commonality between the two that would explain this behaviour?
[Code]....
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May 19, 2009
How do you make a flash full browser background with high quality like here: [URL](choose your language at first. After that opens up a screen with a full browser bitmap man on the left size.)I have been trying to make such scalable high quality background image but the results have been poor.
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Jul 19, 2011
I have a site that is fairly complex, but was using a massive amount of CPU power, even when sitting idle on a page with no animations. I went through everything with a fine toothed comb, and couldn't find the culprit.So I just started removing layers one by one, until I found the one causing the problem.
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Feb 17, 2011
I'm developing a touch-screen Flash application for a shoe store, and it runs fine initially, but slows down toward the end of the day. I've been diligent with removing event listeners and so on. I've now narrowed the problem to be very specific - it's one section of the application causing the problem, and one part of that section:
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[Code]...
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Dec 8, 2010
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[Code]...
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Am I completely hallucinating or what ? That's several years I'm working with Flash, and today, i want to do the simplest animation ever, and it just doesn't work....I want to mask an animated clip with an animated mask (a shape animation), but every time the mask arrives at a keyframe, the clip restarts to the frame 1 !!I added a piece of code to see at which keyframe it is blocked, and at every mask keyframe, the code says 'TypeError: Error #1009: null property..
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May 25, 2010
Currently when I load my presentation that I have just recently created and testing I'm getting a HUGE spike in my cpu usage.
I'm running an i5 2.4, and it's nearly taking up 100%, a friend of mine is running a core 2 duo and it's taking up 100% of the cores.
What is a proper way to optimize for these occurances? I don't have any preloaders up and running yet.
Here is the link to the site.
[URL]
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Jun 15, 2010
I'm user of relatively weak computer (pentium IV 3.0 with hyper-threadingiem) but with a bit newer graphic card - asus radeon HD4650I'm not big new games fun, I'm useing my hardware most to internet access so I would rather not to buy new computer in the near future. But also I would like to have possibility to watch flash movies fluently on full screen (eg. youtube, video streeming). Unfortunatelly, till now, it was pretty weak. I got hope that afther new flash release (lately), which should use computing power of graphic card and making CPU work lighter.
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Feb 25, 2011
Is there some way to get the cpu usage in flash or adobe AIR?
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Jul 6, 2009
How much memory in bytes can Flash normally handle? I have a fairly involved program that is running at 39MB usage and now may be causing some memory issues (I'm not sure it's the memory, since it was running smoothly up until I made a few code changes and now Flash freezes after making those changes). But anyway, I have been wondering about memory usage and Flash CS3 and felt like this was a good topic to dicuss. Is there a way to force an increase in available memory for Flash?
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Aug 20, 2009
I am doing a flash getting data from mysql. My Database is quite big (200+MB) with lots of datas. here is my problems, after using my flash for some searching, maybe because of calling mysql to get too much data (like getting 900 records with their names and images), my memory usage increase to over 2 GB. Thus my flash is dead. I need to restart it. Is there any ways to reduce the memory usage?? Or it might be some other problems. I am quite new at my job, so it might be something that I forget to close ot remove.
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