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37097Re: [ydn-javascript] Re: Drag Drop - High CPU in Internet Explorer

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  • Dav Glass
    Sep 2, 2008
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      ajaxgames --

      I would be happy to look, but I need a working repro case..

      Can you post a link, if you don't want to post it to the group, feel free to email me off list..

      Dav

      Dav Glass
      dav.glass@...
      blog.davglass.com




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      ----- Original Message ----
      > From: ajaxgames <ajaxgames@...>
      > To: ydn-javascript@yahoogroups.com
      > Sent: Sunday, August 31, 2008 1:02:22 PM
      > Subject: [ydn-javascript] Re: Drag Drop - High CPU in Internet Explorer
      >
      > I have the same issue, if more than a few DDs or DDProxys are defined
      > in a page, IE7 will remain at high cpu even when doing nothing with
      > the page. If the window is minimized then cpu usage does drop after a
      > while.
      >
      > Can someone please take a look. If this can't be helped, can you
      > provide any tips or workarounds to ease cpu load while keeping more
      > DD elements on the page?
      >
      >
      > Thank you.
      >
      >
      > --- In ydn-javascript@yahoogroups.com, "dmhst1" wrote:
      > >
      > > Hi!
      > >
      > > I'm working on implementing Yahoo's/YUI Drag and Drop utility on my
      > > site. I've been able to make it work and it is great, so long as I
      > > have a very small list of items in my list (20 or so). But in doing
      > > some stress testing, I noticed the CPU hits over 50% on my system
      > if I
      > > make the lists longer. Note that this CPU hit occurs upon loading
      > the
      > > page, even before you move your mouse or drag any of the items. I'd
      > > expect an immediate CPU hit upon page load, and another hit during
      > the
      > > act of dragging, but I'm confused as to why IE would suck up CPU
      > after
      > > the page has been rendered. (Yes, we've tried this page on several
      > > other machines -- it's not just mine).
      > >
      > > A sample of the page is here:
      > > http://www.newsroomsolutions.com/yuiissue/
      > >
      > > I've removed some references to our back-end, which are unrelated to
      > > this problem. Is this YUI widget only good for a very small list?
      > I
      > > find that really hard to believe. Thanks for your help.
      > >
      > > Damian
      > >
      >
      >
      >
      > ------------------------------------
      >
      > Yahoo! Groups Links
      >
      >
      >
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