m3tmem Xen HVM domU 4.2.amazon testing on Amazon Linux AMI 2013.09 via the Phoronix Test Suite. Intel Xeon E5-2670 v2: Processor: Intel Xeon E5-2670 v2 @ 2.50GHz (2 Cores), Motherboard: Xen HVM domU, Memory: 8192MB, 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 E5-2670 v2 . 9541.13 |============================================== RAMspeed SMP 3.5.0 Integer Copy MB/s > Higher Is Better Intel Xeon E5-2670 v2 . 10021.41 |============================================= RAMspeed SMP 3.5.0 Integer Scale MB/s > Higher Is Better Intel Xeon E5-2670 v2 . 10021.42 |============================================= RAMspeed SMP 3.5.0 Floating-Point Add MB/s > Higher Is Better Intel Xeon E5-2670 v2 . 11279.27 |============================================= Stream 2013-01-17 Add MB/s > Higher Is Better Intel Xeon E5-2670 v2 . 11058.46 |============================================= Stream 2013-01-17 Copy MB/s > Higher Is Better Intel Xeon E5-2670 v2 . 9072.51 |============================================== Stream 2013-01-17 Scale MB/s > Higher Is Better Intel Xeon E5-2670 v2 . 10868.88 |============================================= CacheBench Read Cache MB/s > Higher Is Better Intel Xeon E5-2670 v2 . 2454.04 |============================================== CacheBench Write Cache MB/s > Higher Is Better Intel Xeon E5-2670 v2 . 10871.25 |=============================================