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

[Sean McBride]

On Fri, 19 Feb 2016 10:27:24 -0700, David Gobbi said:

>> With AppleClang not supporting OpenMP, and TBB not being included, it
>> means VTK won't be buildable 'out of the box' on OS X anymore, if I
>> understand all this correctly.  That would be a shame.
>
>VTK will still build out-of-the-box on OS X, because the Sequential backend
>will be used if neither OpenMP or TBB are available.  In fact, this is the
>current situation in master and the dashboards are working fine.

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?

Cheers,

-- 
____________________________________________________________
Sean McBride, B. Eng                 sean at rogue-research.com
Rogue Research                        www.rogue-research.com 
Mac Software Developer              Montréal, Québec, Canada