Ubuntu 16.04 Installation hints
    -------------------------------

 (A) GPU Drivers: /opt/amdgpu-pro
     OpenCL:      /opt/AMDAPPSDK-3.0 
     simlink to OpenCL if needed:
       sudo ln -s /usr/lib/x86_64-linux-gnu/libOpenCL.so.1 /usr/lib/libOpenCL.so

 (B) clFFT:  
       /Downloads/clFFT-Full-2.12.2-Linux-x64
       export LD_LIBRARY_PATH=/home/mvp/Downloads/clFFT-Full-2.12.2-Linux-x64/lib64
       sudo apt-get install libclfft-bin
       sudo dpkg -L libclfft-bin
        
 (C) AMDGPU-PRO: GPU memory settings
       strings /opt/amdgpu-pro/lib/x86_64-linux-gnu/libamdocl64.so | grep GPU | grep Alloc
       strings /opt/amdgpu-pro/lib/x86_64-linux-gnu/libamdocl64.so | grep GPU | grep ALLOC
       export GPU_SINGLE_ALLOC_PERCENT="100"
       export GPU_ENABLE_LARGE_ALLOCATION="Y"  
       clinfo  | grep alloc
         Max memory allocation                           3633479680 (3.384GiB)
         Max memory allocation                           4002578432 (3.728GiB)
         Max memory allocation                           8416240640 (7.838GiB)