imac Intel Core i5-2400S testing with a Apple Mac-942B5BF58194151B v1.0 and AMD Radeon HD 6600M 512MB on Ubuntu 12.04 via the Phoronix Test Suite. 2013-04-15 17:47: Processor: Intel Core i5-2400S @ 2.50GHz (4 Cores), Motherboard: Apple Mac-942B5BF58194151B v1.0, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 8192MB, Disk: 500GB Seagate ST3500418AS, Graphics: AMD Radeon HD 6600M 512MB, Audio: Cirrus Logic CS4206, Monitor: iMac, Network: Broadcom NetXtreme BCM57765 Gigabit PCIe + Atheros AR9300 Wireless LAN adaptor OS: Ubuntu 12.04, Kernel: 3.2.0-40-generic (x86_64), Desktop: Unity 5.18.0, Display Server: X Server 1.11.3, Display Driver: radeon 6.14.99, Compiler: GCC 4.6, File-System: ext2/ext3, Screen Resolution: 1920x1080 Threaded I/O Tester 0.3.3 Test: Write - Size Per Thread: 256MB - Thread Count: 16 MB/s > Higher Is Better 2013-04-15 17:47 . 111.83 |==================================================== Threaded I/O Tester 0.3.3 Test: Random Write - Size Per Thread: 256MB - Thread Count: 16 MB/s > Higher Is Better 2013-04-15 17:47 . 1.59 |====================================================== Threaded I/O Tester 0.3.3 Test: Read - Size Per Thread: 256MB - Thread Count: 16 MB/s > Higher Is Better 2013-04-15 17:47 . 13849.88 |================================================== Threaded I/O Tester 0.3.3 Test: Random Read - Size Per Thread: 256MB - Thread Count: 16 MB/s > Higher Is Better 2013-04-15 17:47 . 8985.09 |===================================================