First test first try to run tests cpu gpu mem: Processor: AMD A10-7870K Radeon R7 12 Compute Cores 4C+8G @ 4.20GHz (4 Cores), Motherboard: ASUS A88XM-PLUS, Chipset: AMD Family 15h, Memory: 8192MB, Disk: 2000GB TOSHIBA DT01ACA2, Graphics: XFX AMD Radeon R9 200 3072MB, Audio: Realtek ALC887-VD, Monitor: HS225HPB, Network: Realtek RTL8111/8168/8411 OS: Ubuntu 15.10, Kernel: 4.2.0-27-generic (x86_64), Desktop: Unity 7.3.3, Display Server: X Server 1.17.2, Display Driver: fglrx 15.20.3, OpenGL: 4.4.13399, Compiler: GCC 5.2.1 20151010, File-System: ext4, Screen Resolution: 1920x1080 ViennaCL 1.4.2 OpenCL LU Factorization GFLOPS > Higher Is Better cpu gpu mem . 17.82 |========================================================== Stream 2013-01-17 Type: Copy MB/s > Higher Is Better cpu gpu mem . 12559.26 |======================================================= C-Ray 1.1 Total Time Seconds < Lower Is Better cpu gpu mem . 46.91 |==========================================================