Fwd: Re: More Slow Windows Response Discussion

Robert Olson olson at mcs.anl.gov
Wed Feb 5 11:19:23 CST 2003


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>Date: Wed, 05 Feb 2003 11:13:31 -0600
>From: "Kabe Vanderbaan"<kabev at motorola.com>
>Reply-To: kabev at motorola.com
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>To: "Paul B. Huang"<pbhuang at bmrc.berkeley.edu>
>CC: Kabe VanderBaan<kabev at motorola.com>,
>         Open Developers<Openmash-developers at openmash.org>
>Subject: Re: More Slow Windows Response Discussion
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>Paul,
>Here's some info I grabbed this morning, this is from OM grabbed from cvs 
>in early December, with debug turned off and some optimization flags 
>included with the compile.  Nothing very scientific, just watching the 
>windows 2000 task manager.
>
> > 1) What is the load on the cpu?
>I am doing the test with 8 video feeds,
>Thumbnails only:
>4 -10% cpu,
>1 Actual Size: (Thumbnail is selected and actual size window is displayed)
>Immediate responses to mouse clicks and mouse overs, video is realtime 
>17%-20% cpu
>2 Actual Size:
>Immediate Responses to mouse clicks and mouse overs, video is realtime 
>25%-30% cpu
>3 Actual Size:
>Immediate Responses to mouse clicks and mouse overs, video is realtime 
>25%-30% cpu
>4 Actual Size:
>Immediate Responses to mouse clicks and mouse overs, video is realtime 
>25-30% cpu
>5 Actual Size:
>Immediate Responses to mouse clicks and mouse overs, video is realtime 
>38-40% cpu
>6 Actual Size:
>Immediate responses to mouse clicks and mouse overs, video is realtime 
>45-50% cpu
>7 Actual Size
>No longer immediate responses to mouse clicks, and mouse overs, video is 
>less realtime 50-55% cpu,
>8 Actual Size
>No longer immediate responses to mouse clicks, and mouse overs, video is 
>less realtime, 60% cpu
>
> > 2) how many streams are being decoded?
>8
>
> > 3) Do you have the vic encoder running on the same machine?
>no encoding on the machine
>
> > 4) How many streams have the window opened (ie you clicked on the
> > thumbnail to bring up a larger window)?
>above
>
> > 5) Does AG vic show any slow responses at all?  Even with decoding 10
> > streams with each window opened?
>No, Ag vic responds immediately to mouse clicks, and mouse overs).
>With all 8 streams their actual size, 16% cpu
>
>Interesting scenario:
>If you click on all 8 thumbnails fairly rapidly, they will display fairly 
>fast, but when you attempt to move them around, OM will begin to act up 
>and stop responding to mouse clicks in a timely matter.
>
>Does this help?
>Kabe
>
>Paul B. Huang wrote:
>>Hi Kabe,
>>I'm trying to understand more about the problem you are experiencing under
>>windows.  When you experience the slow responses:
>>1) What is the load on the cpu?
>>2) how many streams are being decoded?
>>3) Do you have the vic encoder running on the same machine?
>>4) How many streams have the window opened (ie you clicked on the
>>thumbnail to bring up a larger window)?
>>5) Does AG vic show any slow responses at all?  Even with decoding 10
>>streams with each window opened?
>>Thanks,
>>Paul
>
>
>--
>Kabe VanderBaan, Senior Research Engineer
>Networks and Infrastructure Research, Motorola Labs
>Phone: 847-576-1832
>Cell: 847-980-4100
>http://internet2.motlabs.com/agnode/
>http://internet2.motlabs.com/ipaq/




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