cpu cycles on hidden animations?

  • Thread starter Thread starter Dave Gower
  • Start date Start date
D

Dave Gower

A lot of the web pages I bring down have animations on them - ads or
something more elaborate i.e. moving weather images etc. But I'm wondering,
when these moving images are hidden - for example I've scrolled down so they
no longer show, or they're minimized, or they're underneath, do the
animations consume cpu cycles? Or do they only use computational power when
actually displayed?

The reason I'm curious is to know how important it is to close pages with
moving images so as not to slow down other activities.
 
It has been my experience that hidden animation uses some CPU cycles, but not nearly as much as when the animation is visible. This depends on the OS, browser, scripts, etc. You can use Performance Monitor or System Monitor to monitor the CPU usage.

Dave said:
A lot of the web pages I bring down have animations on them - ads or
something more elaborate i.e. moving weather images etc. But I'm wondering,
when these moving images are hidden - for example I've scrolled down so they
no longer show, or they're minimized, or they're underneath, do the
animations consume cpu cycles? Or do they only use computational power when
actually displayed?

The reason I'm curious is to know how important it is to close pages with
moving images so as not to slow down other activities.
Click to expand...

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Mike Walsh
West Palm Beach, Florida, U.S.A.
 
Probably not a very helpful test but I watched a video file and monitored
CPU usage whilst it was and was not visiable (minimised).
It didn't make any difference to the CPU really, and I didnt expect it to.

However I just tried it with an animated banner ( macromedia) and there was
a drop in CPU when the animation was hidden or off screen.
CPU dropped from about 45% - 28%.

Why is it you can never find porn site with animation on it when you want
to,
and vice versa?



Mike Walsh said:
It has been my experience that hidden animation uses some CPU cycles, but
Click to expand...
not nearly as much as when the animation is visible. This depends on the OS,
browser, scripts, etc. You can use Performance Monitor or System Monitor to
monitor the CPU usage.
 
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