c3testm Xen HVM domU 4.2.amazon testing on Amazon Linux AMI 2013.09 via the Phoronix Test Suite. Intel Xeon E5-2680 v2: Processor: Intel Xeon E5-2680 v2 @ 2.79GHz (2 Cores), Motherboard: Xen HVM domU, Memory: 4096MB, Disk: 8GB OS: Amazon Linux AMI 2013.09, Kernel: 3.4.82-69.112.amzn1.x86_64 (x86_64), Compiler: GCC 4.8.2 20140120, File-System: ext4, System Layer: Xen HVM domU 4.2.amazon RAMspeed SMP 3.5.0 Integer Add MB/s > Higher Is Better Intel Xeon E5-2680 v2 . 9844.90 |============================================== RAMspeed SMP 3.5.0 Integer Copy MB/s > Higher Is Better Intel Xeon E5-2680 v2 . 10310.72 |============================================= RAMspeed SMP 3.5.0 Integer Scale MB/s > Higher Is Better Intel Xeon E5-2680 v2 . 10451.60 |============================================= RAMspeed SMP 3.5.0 Floating-Point Add MB/s > Higher Is Better Intel Xeon E5-2680 v2 . 11741.37 |============================================= Stream 2013-01-17 Add MB/s > Higher Is Better Intel Xeon E5-2680 v2 . 11482.81 |============================================= Stream 2013-01-17 Copy MB/s > Higher Is Better Intel Xeon E5-2680 v2 . 9502.38 |============================================== Stream 2013-01-17 Scale MB/s > Higher Is Better Intel Xeon E5-2680 v2 . 11264.56 |============================================= CacheBench Read Cache MB/s > Higher Is Better Intel Xeon E5-2680 v2 . 2617.69 |============================================== CacheBench Write Cache MB/s > Higher Is Better Intel Xeon E5-2680 v2 . 11605.35 |=============================================