OpenCL on OSX

asked 2013-06-24 17:31:40 -0500

Hansg91 gravatar image

Hello,

I am trying to use OpenCL in OpenCV on OSX (10.8.3) to see the face detector. OpenCL is already integrated in OSX so I had nothing to do with its installation. When I try to run it with a cascade of frontal faces I get the following error :

OpenCV Error: Assertion failed (localThreads[0] * localThreads[1] * localThreads[2] <= kernelWorkGroupSize) in openCLVerifyKernel

I do not know what this means, but after googeling this could be some hardware restriction or something, but why does this happen? Is there anything I can do to fix or debug this? I have the 2012 macbook pro retina model so I would find it weird I'd run into some hardware restriction, unless the restriction is about something from opencl missing in my hardwares architecture.

Best regards, Hans

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