ss VMware testing on CentOS 6.5 via the Phoronix Test Suite. 16384 MB DRAM: Processor: 4 x Intel Xeon X5670 @ 2.93GHz (8 Cores), Motherboard: Intel 440BX, Chipset: Intel 440BX/ZX/DX, Memory: 2 x 16384 MB DRAM, Disk: 1100GB Virtual disk, Graphics: VMware SVGA II, Network: VMware VMXNET3 OS: CentOS 6.5, Kernel: 2.6.32-431.el6.x86_64 (x86_64), Compiler: GCC 4.4.7 20120313, File-System: ext4, System Layer: VMware Stream 2013-01-17 Type: Copy MB/s > Higher Is Better 16384 MB DRAM . 13091.31 |===================================================== Stream 2013-01-17 Type: Scale MB/s > Higher Is Better 16384 MB DRAM . 12947.83 |===================================================== Stream 2013-01-17 Type: Triad MB/s > Higher Is Better 16384 MB DRAM . 14475.90 |===================================================== Stream 2013-01-17 Type: Add MB/s > Higher Is Better 16384 MB DRAM . 13987.36 |=====================================================