[vtkusers] vtk web pages eat CPU

Glen Lehmann glehmann at imaging.robarts.ca
Wed Apr 7 13:21:31 EDT 2004


Hello,

The VTK page (http://www.vtk.org/doc/nightly/html/classes.html) 
exhibits similar behavior using Safari on OS X 10.3.3.  CPU usage is 
consistently between 25% and 40%, as opposed to 0% to 15% without the 
VTK page open.

The ITK page (http://www.itk.org/Doxygen14/html/classes.htm) does not 
increase CPU load.

Glen

On Apr 7, 2004, at 1:11 PM, Andy Cedilnik wrote:

> Hi John,
>
> I do not see this behavior. Please try the following page and let me
> know if you see the same problem:
>
> http://www.itk.org/Doxygen14/html/classes.html
>
> Thank you.
>
> 			Andy
>
> On Wed, 2004-04-07 at 12:34, John Hunter wrote:
>> On my linux box running mozilla firebird, opening up vtk documentation
>> from http://www.vtk.org/doc/nightly/html/classes.html eats my CPU
>> alive.  I tend to do tab browsing, and will often have documentation
>> for several classes open at a time in different tabs.  Currently my
>> CPU usage (3GHz P4, 1GB RAM) for my browser is
>>
>>  4474 jdhunter  25   0 46724  44M 16436 R    99.6  4.4  75:02   1 
>> MozillaFirebi
>>
>> I've spent some time making sure this is really specific to VTK web
>> documentation and it is.  This problem has been consistently occurring
>> over the last month.  Even if I open a single page and leave my
>> computer idle, the CPU will climb to about 30% and stay there.  When I
>> close the VTK page and open another one it goes away.  The total CPU
>> usage is proportional to the number of vtk doc pages I have open.
>>
>> Perhaps this is something arising from that floating navigation helper
>> that was recently introduced (but it doesn't go away when I click
>> close on that thingie.)
>>
>> Strange, but true,
>> John Hunter
>>
>>
>> hunter:~/python/examples/vtk> uname -a
>> Linux hunter.paradise.lost 2.4.20-8smp #1 SMP Thu Mar 13 17:45:54 EST 
>> 2003 i686
>> i686 i386 GNU/Linux
>>
>> hunter:~/python/examples/vtk> MozillaFirebird --version
>> Mozilla 1.5a, Copyright (c) 2003 mozilla.org, build 2003060808
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