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Thomas Dinges ad0a3de3ce Cycles / OpenCL: Let the OpenCL runtime determine its optimal work-group size automatically, by passing a NULL pointer here. ...

This is recommended in the Intel OpenCL optimization docs (http://software.intel.com/en-us/vcsource/samples/optimizing-opencl) and I can confirm a small performance increase here (1-2% on nVidia OpenCL, up to 8% on Intel OpenCL).

2013-12-24 20:20:57 +01:00

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