[vtk-developers] Checking SMP backend at runtime/compiletime?

[David Gobbi]

On Fri, Feb 19, 2016 at 10:32 AM, Sean McBride <sean at rogue-research.com>
wrote:
>
>
> It's the single-thread backend, right?
>
> So when code that uses vtkMultiThreader is converted to this new scheme,
> 'out of the box' OS X builds will see massive performance regressions,
> right?


Yes.  That's why, when we converted the vtkThreadedImageAlgorithm, we kept
the vtkMultiThreader code path in place.  And I'll fight tooth-and-nail to
keep that code path maintained for as long as it's needed.  But for the new
parallel geometry filters, I agree that this will be a concern.

 - David
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