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warning: ignore unrecognized OpenCL extension cl_khr_fp64

Question asked by chevydevil on Aug 25, 2012
Latest reply on Aug 25, 2012 by settle



I'm working under Ubuntu 12.04 with AMD APP 2.7 on a Radeon 5870 and a Intel Core I7 860. Both devices support the cl_khr_fp64 extension according to the opencl extension query. But when I try to use:

#pragma OPENCL EXTENSION cl_khr_fp64 : enable


in my kernel I got the mentioned warning. cl_amd_fp64 works though. Whats wrong?