/home/changjiang/ this is my workstation the system information: Processor: 2 x Intel Xeon E5-2690 0 @ 2.90GHz (32 Cores), Motherboard: LENOVO, Chipset: Intel Xeon E5/Core, Memory: 24576MB, Disk: 450GB Seagate ST3450857SS, Graphics: NVIDIA Quadro 6000 6144MB, Audio: Realtek ALC662 rev3, Network: Intel 82579LM Gigabit Connection OS: Ubuntu 14.04, Kernel: 3.13.0-71-generic (x86_64), Desktop: Unity 7.2.2, Display Server: X Server 1.15.1, Display Driver: nouveau 1.0.10, Compiler: GCC 4.8 + CUDA 7.5, File-System: ext4, Screen Resolution: 1024x768 Unigine Valley 1.0 Resolution: 800 x 600 - Mode: Windowed Frames Per Second > Higher Is Better the system information . 4.39 |================================================ Unigine Valley 1.0 Resolution: 1024 x 768 - Mode: Windowed Frames Per Second > Higher Is Better the system information . 3.43 |================================================ Unigine Valley 1.0 Resolution: 800 x 600 - Mode: Fullscreen Frames Per Second > Higher Is Better the system information . 4.64 |================================================ Unigine Valley 1.0 Resolution: 1024 x 768 - Mode: Fullscreen Frames Per Second > Higher Is Better the system information . 3.55 |================================================ GpuTest 0.7.0 Test: Plot3D - Resolution: 800 x 600 - Mode: Windowed Points > Higher Is Better the system information . 3290 |================================================ GpuTest 0.7.0 Test: Plot3D - Resolution: 1024 x 768 - Mode: Windowed Points > Higher Is Better the system information . 3059 |================================================ GpuTest 0.7.0 Test: Plot3D - Resolution: 800 x 600 - Mode: Fullscreen Points > Higher Is Better the system information . 3650 |================================================ GpuTest 0.7.0 Test: Plot3D - Resolution: 1024 x 768 - Mode: Fullscreen Points > Higher Is Better the system information . 3646 |================================================