primesieve-before Intel Core i7-4770 testing with a Alienware 0PGRP5 and AMD Radeon R7 370 / R9 270X/370X 2048MB on Ubuntu 17.04 via the Phoronix Test Suite. Intel Core i7-4770: Processor: Intel Core i7-4770 @ 3.90GHz (8 Cores), Motherboard: Alienware 0PGRP5, Chipset: Intel 4th Gen Core DRAM, Memory: 8192MB, Disk: 256GB M4-CT256M4SSD2, Graphics: AMD Radeon R7 370 / R9 270X/370X 2048MB (1200MHz), Audio: Intel Xeon E3-1200 v3/4th, Monitor: HDMI, Network: Realtek RTL8111/8168/8411 + Broadcom Limited BCM4352 802.11ac Wireless OS: Ubuntu 17.04, Kernel: 4.10.0-19-generic (x86_64), Desktop: GNOME Shell 3.24.2, Display Driver: modesetting 1.19.3, OpenGL: 4.5 Mesa 17.0.3 Gallium 0.4 (LLVM 4.0.0), Compiler: GCC 6.3.0 20170406, File-System: ext4, Screen Resolution: 2560x1440 Primesieve 5.4.2 1e12 Prime Number Generation Seconds < Lower Is Better Intel Core i7-4770 . 79.32 |===================================================