cray-perf Intel Xeon E3-1245 V2 testing with a ASUS P8Z77 WS (3505 BIOS) and Sapphire AMD Radeon HD 7950/8950 OEM / R9 280 3GB on Fedora 31 via the Phoronix Test Suite. testing perf governor: Processor: Intel Xeon E3-1245 V2 @ 3.80GHz (4 Cores / 8 Threads), Motherboard: ASUS P8Z77 WS (3505 BIOS), Chipset: Intel Xeon E3-1200 v2/Ivy, Memory: 32768MB, Disk: 256GB ADATA SX8200PNP + 60GB Toshiba MKNSSDCR60GB, Graphics: Sapphire AMD Radeon HD 7950/8950 OEM / R9 280 3GB, Audio: Realtek ALC898, Monitor: PN17JO, Network: 2 x Intel 82574L + Realtek RTL8192EE PCIe OS: Fedora 31, Kernel: 5.4.12-200.fc31.x86_64 (x86_64), Desktop: KDE Plasma 5.17.5, Display Server: X Server 1.20.6, Display Driver: modesetting 1.20.6, OpenGL: 4.5 Mesa 19.2.8 (LLVM 9.0.0), Compiler: GCC 9.2.1 20190827, File-System: ext4, Screen Resolution: 1280x1024 C-Ray 1.1 Total Time - 4K, 16 Rays Per Pixel Seconds < Lower Is Better testing perf governor . 242.40 |===============================================