Function generate_kernel_ws

test_conformance/spir/run_services.cpp:249–280

}

void generate_kernel_ws( cl_device_id device, cl_kernel kernel, WorkSizeInfo& ws)
{
    size_t compile_work_group_size[MAX_WORK_DIM];

    memset(&ws, 0, sizeof(WorkSizeInfo));
    ws.work_dim = 1;
    ws.global_work_size[0] = (GLOBAL_WORK_SIZE <= 32) ? GLOBAL_WORK_SIZE : 32;        // kernels limitations
    ws.local_work_size[0] = ((GLOBAL_WORK_SIZE % 4) == 0) ? (GLOBAL_WORK_SIZE / 4) : (GLOBAL_WORK_SIZE / 2);

    //Check if the kernel was compiled with specific work group size
    int error = clGetKernelWorkGroupInfo(kernel, device, CL_KERNEL_COMPILE_WORK_GROUP_SIZE, sizeof(compile_work_group_size), &compile_work_group_size, NULL);
    if( error != CL_SUCCESS )
    {
        throw Exceptions::TestError("clGetKernelWorkGroupInfo failed\n", error);
    }

    // if compile_work_group_size[0] is not 0 - use the compiled values
    if ( 0 != compile_work_group_size[0] )
    {
        // the kernel compiled with __attribute__((reqd_work_group_size(X, Y, Z)))
        memcpy(ws.global_work_size, compile_work_group_size, sizeof(ws.global_work_size));

        // Now, check the correctness of the local work size and fix it if necessary
        for ( int i = 0; i < MAX_WORK_DIM; ++i )
        {
            if ( ws.local_work_size[i] > compile_work_group_size[i] )
            {
                ws.local_work_size[i] = compile_work_group_size[i];
            }
        }
    }
}

TestResult* TestResult::clone(cl_context ctx, const WorkSizeInfo& ws, const cl_kernel kernel, const cl_device_id device) const
{