Function OpenCLCPUOffload

src/backend/opencl/platform.cpp:398–418

}

bool OpenCLCPUOffload(bool forceOffloadOSX) {
    static const bool offloadEnv = getEnvVar("AF_OPENCL_CPU_OFFLOAD") != "0";
    bool offload                 = false;
    if (offloadEnv) { offload = getDeviceType() == CL_DEVICE_TYPE_CPU; }
#if OS_MAC
    // FORCED OFFLOAD FOR LAPACK FUNCTIONS ON OSX UNIFIED MEMORY DEVICES
    //
    // On OSX Unified Memory devices (Intel), always offload LAPACK but not GEMM
    // irrespective of the AF_OPENCL_CPU_OFFLOAD value
    // From GEMM, OpenCLCPUOffload(false) is called which will render the
    // variable inconsequential to the returned result.
    //
    // Issue https://github.com/arrayfire/arrayfire/issues/662
    // Force condition
    bool osx_offload = getDeviceType() == CL_DEVICE_TYPE_CPU;
    offload          = osx_offload && (offload || forceOffloadOSX);
#else
    UNUSED(forceOffloadOSX);
#endif
    return offload;
}

bool isGLSharingSupported() {
    device_id_t& devId = tlocalActiveDeviceId();