On 14 Feb 2014, at 15:53, Gerriet M. Denkmann <gerr...@mdenkmann.de> wrote: > I am trying to build the Basic Programming Sample in: > <https://developer.apple.com/library/mac/documentation/Performance/Conceptual/OpenCL_MacProgGuide/ExampleHelloWorld/Example_HelloWorld.html#//apple_ref/doc/uid/TP40008312-CH112-SW2> > > I have myKernel.cl: > > __kernel void squareq( __global float* input, __global float* output ) > { > int i = get_global_id(0); > printf("i %d\n",i); // never seen > output[i] = input[i] * input[i]; > } > > and myKernel.cl.h:
What happens when you remove the printf call ? AFAIK CIKernels don’t run with a full runtime. They’re intended for raw number crunching. So I wouldn’t be surprised if it crashed beause it can’t resolve printf to anything that it can actually run on the GPU. Cheers, -- Uli Kusterer “The Witnesses of TeachText are everywhere...” http://zathras.de _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com