R-8G cachebench 4 x AMD Opteron 6128 testing with a and on CentOS 5.3 via the Phoronix Test Suite. 2011-12-06 12:58: Processor: 4 x AMD Opteron 6128 @ 2.00GHz (4 Cores), Memory: 8192MB, 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 12:58 . 1133.74 |=================================================== CacheBench Test: Write MB/s > Higher Is Better 2011-12-06 12:58 . 6142.55 |=================================================== CacheBench Test: Read / Modify / Write MB/s > Higher Is Better 2011-12-06 12:58 . 10973.15 |==================================================