R-512 cachebench 4 x AMD Opteron 6128 testing with a and on CentOS 5.3 via the Phoronix Test Suite. 2011-12-06 13:04: Processor: 4 x AMD Opteron 6128 @ 2.00GHz (4 Cores), Memory: 512MB, Disk: 8GB OS: CentOS 5.3, Kernel: 2.6.18-128.el5xen (x86_64), Compiler: GCC 4.1.2, File-System: ext3 CacheBench Test: Read MB/s > Higher Is Better 2011-12-06 13:04 . 202.72 |==================================================== CacheBench Test: Write MB/s > Higher Is Better 2011-12-06 13:04 . 1005.52 |=================================================== CacheBench Test: Read / Modify / Write MB/s > Higher Is Better 2011-12-06 13:04 . 1767.72 |===================================================