{{See also2|[[Adobe_Flash#Performance|Performance of Adobe Flash]]}}
ManySome users—especially those on [[Mac OS X]] and [[Linux]]—have complained about the relatively high [[CPU time|CPU usage]] of Flash for video playback compared.<ref>"Flash - CPU Usage - FPS - Frame Rate." Online posting. 10 Dec 2008. Reader discussions, Adobe Support Forums. 10 Dec 2010. http://forums.adobe.com/thread/230334</ref>{{verify credibility|date=December 2010}} VersionThis 10.1was helpedpartially correctdue thisto issuethe byfact usingthat athe computer'sFlash GPUplugin todid rendernot video.<ref>"Adobe'suse Flash Player 10.1 betathe GPU accelerationto tested,render documented," ''Engadget,'' <http://wwwvideo.engadget.com/2009/11/17/adobes-flash-player-10-1-beta-gpu-acceleration-tested-document/>.</ref> Adobe has attempted to respond to some of those criticisms in the 10.1 and 10.2 releases of the Flash plugin by offloading H.264 video decoding to dedicated hardware and by introducing a new video API called Stage Video.<ref>{{cite web | url=http://lifehacker.com/5702983/adobe-releases-flash-102-beta-reduces-cpu-usage-during-video-playback | title=Adobe Releases Flash 10.2 Beta, Reduces CPU Usage During Video Playback | accessdate=2010-12-27 | date=2010-12-01 | work=Lifehacker}}</ref> Another reason for poor Flash performance is that some Flash developers incorrectly code their Flash files, which can be a problem with "HTML 5" animations, as well.<ref>Skinner, Grant. "Quick as a Flash" <http://2010.max.adobe.com/schedule/by-session/quick-as-a-flash/471c495b-7ddf-4c0c-936b-609916f11e85></ref>
