opencl 1.2 docker testing on Ubuntu 16.04 via the Phoronix Test Suite. llvmpipe: Processor: Intel Atom x5-Z8330 @ 1.92GHz (4 Cores), Motherboard: Intel STK1A32SC, Chipset: Intel Device 2280, Memory: 1 x 2048 MB DDR3-1600MHz 00000000, Disk: 31GB DF4032, Graphics: llvmpipe (LLVM 7.0 128 bits), Network: Intel Wireless 7265 OS: Ubuntu 16.04, Kernel: 4.13.0-36-generic (x86_64), Desktop: Xfce 4.12, Display Server: X Server 1.18.4, OpenGL: 3.3 Mesa 18.1.0-devel- padoka PPA, Compiler: GCC 5.4.0 20160609 + CUDA 8.0, File-System: overlayfs, Screen Resolution: 1280x720, System Layer: docker SmallPT GPU 1.6pts1 OpenCL Device: GPU - Resolution: 1280 x 720 - Scene: Caustic Samples/sec > Higher Is Better llvmpipe . 1521727740 |======================================================== SmallPT GPU 1.6pts1 OpenCL Device: GPU - Resolution: 1280 x 720 - Scene: Cornell Samples/sec > Higher Is Better llvmpipe . 1521727890 |======================================================== SmallPT GPU 1.6pts1 OpenCL Device: GPU - Resolution: 1280 x 720 - Scene: Caustic3 Samples/sec > Higher Is Better llvmpipe . 1521728028 |========================================================