[vtk-developers] vtkGarbageCollector performance

Clinton Stimpson clinton at elemtech.com
Wed Feb 23 21:05:11 EST 2011


On Feb 23, 2011, at 11:38 AM, Sean McBride wrote:

> On Tue, 1 Feb 2011 19:14:54 -0500, Sean McBride said:
> 
>> We've been profiling our app and finding that lots of time is spent in
>> VTK's garbage collector.
>> 
>> Part of the problem is that we are creating too many temporary objects,
>> but I still wanted to investigate a little to see if there are any
>> obvious improvements to be had in vtkGarbageCollector itself.
> 
> Hi all,
> 
> I've put my vtkGarbageCollector performance improvements here:
> <http://review.source.kitware.com/1052>
> <http://review.source.kitware.com/1053>
> 
> Anyone care to review?
> 

What kind of improvements were you able to see?
I've been sprinkling Push/Pop's in code where garbage collection is slow, but that's not an ideal solution for some parts of the code.

Clint




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