bulletxserve1,1 2 x Intel Xeon 5160 testing with a Apple Mac-F4208AC8 and AMD Radeon X1300/X1550 on Ubuntu 14.04 via the Phoronix Test Suite. Intel Xeon 5160: Processor: 2 x Intel Xeon 5160 @ 2.99GHz (4 Cores), Motherboard: Apple Mac-F4208AC8, Chipset: Intel 5000X MCH, Memory: 16384MB, Disk: 80GB Western Digital WD800AAJS-00, Graphics: AMD Radeon X1300/X1550, Audio: Intel 631xESB/632xESB, Network: Intel 80003ES2LAN Gigabit OS: Ubuntu 14.04, Kernel: 3.13.0-44-generic (x86_64), Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 800x600 Bullet Physics Engine 2.81 Test: Raytests Seconds < Lower Is Better Intel Xeon 5160 . 6.37 |======================================================= Bullet Physics Engine 2.81 Test: 3000 Fall Seconds < Lower Is Better Intel Xeon 5160 . 10.69 |====================================================== Bullet Physics Engine 2.81 Test: 1000 Stack Seconds < Lower Is Better Intel Xeon 5160 . 13.31 |====================================================== Bullet Physics Engine 2.81 Test: 1000 Convex Seconds < Lower Is Better Intel Xeon 5160 . 10.44 |====================================================== Bullet Physics Engine 2.81 Test: 136 Ragdolls Seconds < Lower Is Better Intel Xeon 5160 . 6.10 |======================================================= Bullet Physics Engine 2.81 Test: Prim Trimesh Seconds < Lower Is Better Intel Xeon 5160 . 1.65 |======================================================= Bullet Physics Engine 2.81 Test: Convex Trimesh Seconds < Lower Is Better Intel Xeon 5160 . 2.16 |=======================================================