AWS Xen HVM domU 4.2.amazon testing on Ubuntu 14.04 via the Phoronix Test Suite. t2.medium: Processor: Intel Xeon E5-2676 v3 @ 2.40GHz (2 Cores), Motherboard: Xen HVM domU (4.2.amazon BIOS), Chipset: Intel 440FX- 82441FX PMC, Memory: 1 x 4096 MB RAM, Disk: 8GB, Graphics: Cirrus Logic GD 5446 OS: Ubuntu 14.04, Kernel: 3.13.0-147-generic (x86_64), Compiler: GCC 4.8.4, File-System: ext4, System Layer: Xen HVM domU 4.2.amazon RAMspeed SMP 3.5.0 Type: Add - Benchmark: Integer MB/s > Higher Is Better t2.medium . 23644.92 |========================================================= RAMspeed SMP 3.5.0 Type: Copy - Benchmark: Integer MB/s > Higher Is Better t2.medium . 20326.03 |========================================================= RAMspeed SMP 3.5.0 Type: Scale - Benchmark: Integer MB/s > Higher Is Better t2.medium . 16003.76 |========================================================= RAMspeed SMP 3.5.0 Type: Triad - Benchmark: Integer MB/s > Higher Is Better t2.medium . 23468.15 |========================================================= RAMspeed SMP 3.5.0 Type: Average - Benchmark: Integer MB/s > Higher Is Better t2.medium . 20860.28 |========================================================= RAMspeed SMP 3.5.0 Type: Add - Benchmark: Floating Point MB/s > Higher Is Better t2.medium . 23453.42 |========================================================= RAMspeed SMP 3.5.0 Type: Copy - Benchmark: Floating Point MB/s > Higher Is Better t2.medium . 20306.28 |========================================================= RAMspeed SMP 3.5.0 Type: Scale - Benchmark: Floating Point MB/s > Higher Is Better t2.medium . 20252.72 |========================================================= RAMspeed SMP 3.5.0 Type: Triad - Benchmark: Floating Point MB/s > Higher Is Better t2.medium . 23495.57 |========================================================= RAMspeed SMP 3.5.0 Type: Average - Benchmark: Floating Point MB/s > Higher Is Better t2.medium . 21893.60 |=========================================================