opencl-book-samples
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Problem Chapter 16 Example
I am trying to run the example code from chapter 16 on a 2011 macbook pro.
If i use cmake and generate unix make files i get an abort trap in the program.
On the other hand, if i run it with Xcode, the --ref runs well (6.4s) but all
the other ones crash and give the following errors
Line 229 in File
/Users/tomcool/opencl-book-samples-read-only/src/Chapter_16/Dijkstra/oclDijkstra
Kernel.cpp
with lines 228 and 229 being
errNum = clEnqueueNDRangeKernel(commandQueue, initializeKernel, 1, NULL,
&globalWorkSize, &localWorkSize,
0, NULL, NULL);
checkError(errNum, CL_SUCCESS);
Would you have any idea as to what the problem could be?
Thanks
T.
Original issue reported on code.google.com by [email protected]
on 17 Feb 2012 at 2:57
If you add the lines below to runDijkstra you'll find localWorkSize is actually
smaller than the value returned by the CL_DEVICE_MAX_WORK_GROUP_SIZE check.
size_t kernelLocalSize;
errNum = clGetKernelWorkGroupInfo(initializeBuffersKernel, deviceId, CL_KERNEL_WORK_GROUP_SIZE, sizeof(kernelLocalSize), &kernelLocalSize, NULL);
The enqueue function will fail if the localWorkSize is larger than
kernelLocalSize.
Original comment by [email protected]
on 23 Feb 2012 at 8:46