optimus testing Comparing primusrun to optirun with various compression methods primusrun: Processor: Intel Core i5-3210M @ 2.50GHz (4 Cores), Motherboard: Acer VA50_HC_CR, Chipset: Intel 3rd Gen Core DRAM, Memory: 8192MB, Disk: 500GB Seagate ST9500325AS, Graphics: NVIDIA GeForce GT 640M, Audio: Realtek ALC269VB, Network: Broadcom NetLink BCM57785 Gigabit PCIe + Atheros AR9462 Wireless OS: Ubuntu 12.10, Kernel: 3.5.0-19-generic (x86_64), Desktop: LXDE 0.5.11, Display Server: X Server 1.13.0, Display Driver: intel 2.20.9, OpenGL: 4.2.0, Compiler: GCC 4.7, File-System: ext4, Screen Resolution: 1366x768 Unigine Heaven 3.0 1366 x 768 Frames Per Second > Higher Is Better primusrun . 32.23 |============================================================ Unigine Sanctuary 2.3 1366 x 768 Frames Per Second > Higher Is Better primusrun . 58.38 |============================================================ Unigine Tropics 1.3 1366 x 768 Frames Per Second > Higher Is Better primusrun . 43.91 |============================================================