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I think you need more than what's reported in the WTM to be sure that memory has actually leaked.<br><br>Xiaofeng <br><br><br><div><div id="SkyDrivePlaceholder"></div><hr id="stopSpelling">Date: Fri, 27 Apr 2012 09:46:01 -0700<br>Subject: Re: [vtkusers] Potential memory leak on render<br>From: jonmorra@gmail.com<br>To: xf10036@hotmail.com<br>CC: vtkusers@vtk.org<br><br><div class="ecxgmail_extra"> I tested all these memory problems by putting a break point on the return0; line and noting the memory in the Windows Task Manager. <br><br><div class="ecxgmail_quote">On Fri, Apr 27, 2012 at 9:46 AM, Xiaofeng Z <span dir="ltr"><<a href="mailto:xf10036@hotmail.com">xf10036@hotmail.com</a>></span> wrote:<br>
<blockquote class="ecxgmail_quote" style="border-left:1px #ccc solid;padding-left:1ex">How did you measure the memory usage?<br>
<div><div class="h5"><br>
On Apr 27, 2012, at 12:23 PM, "Jonathan Morra" <<a href="mailto:jonmorra@gmail.com">jonmorra@gmail.com</a>> wrote:<br>
<br>
> I'm running the following code on Windows 7 (both x86 and x64), and have noticed the following memory usages. I think this implies some memory leak in the render call to VTK. Can someone please let me know if they see this as well, and if so how to fix it.<br>
><br>
> Thanks<br>
><br>
> Here are my results<br>
> 0 Renders -- 9.852 M<br>
> 1 Render -- 29.28 M (I'm not sure if this jump is to be expected)<br>
> 10 Renders -- 29.76 M<br>
> 100 Renders -- 30.404 M<br>
> 1000 Renders -- 31.172 M<br>
> 10000 Renders -- 36.56 M<br>
> 100000 Renders -- 44.276 M<br>
><br>
> Here is the code<br>
><br>
> //<b> I tested all these memory problems by putting a break point on the return0; line and noting the memory in the Windows Task Manager.</b><br>
> int main(int argc, char *argv[]) {<br>
> vtkSmartPointer<vtkImageData> imageData =<br>
> vtkSmartPointer<vtkImageData>::New();<br>
> imageData->SetExtent(0, 100, 0, 100, 0, 100);<br>
> imageData->SetOrigin(0, 0, 0);<br>
> imageData->SetSpacing(1, 1, 1);<br>
> imageData->AllocateScalars();<br>
> imageData->GetPointData()->GetScalars()->FillComponent(0, 0);<br>
> vtkSmartPointer<vtkImageViewer2> imageViewer =<br>
> vtkSmartPointer<vtkImageViewer2>::New();<br>
> imageViewer->SetInput(imageData);<br>
> int numRenders = 100000;<br>
> for (int i=0; i<numRenders; ++i) {<br>
> imageViewer->Render();<br>
> }<br>
> return 0;<br>
> }<br>
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