[vtkusers] streamline calculation crash on a dual- processor machine! vtkMultiProsessControl?

tom fogal tfogal at apollo.sr.unh.edu
Wed Dec 1 14:31:17 EST 2004

"joseph mccoy" writes:
>hi all,
>i have a vtk- app that calculates streamlines on an unstructured grid. =
>it works fine on every single- processor machine i've tested it on. but =
>if i use this application on a dual- processor workstation it crashes. =
>the same happens on a p4 with activated hyperthreading (when ht is =
>deactivated, it runs fine).=20
>i guess, the problem is that the ThreadedIntegrator within the =
>vtkStreamer doesn't work fine with two processors. is there a way to =
>avoid this problem ( without rewriting half of the vtkStreamer)? i've =
>just read something about vtkMultiProcessController. could that help =
>calculating streamlines on a machine with two processors?

The vtkStreamer interface is deprecated.
Switch your code over to using vtkStreamTracer and then write back if
you are still having issues.



>Content-Type: text/html;

*insert generic sound of discontent here*


More information about the vtkusers mailing list