m3.xlarge Xen HVM domU 4.2.amazon testing on Ubuntu 14.04 via the Phoronix Test Suite. Intel Xeon E5-2670 v2: Processor: Intel Xeon E5-2670 v2 @ 2.50GHz (4 Cores), Motherboard: Xen HVM domU, Chipset: Intel 440FX- 82441FX PMC, Memory: 15360MB, Disk: 8GB, Graphics: Cirrus Logic GD 5446 OS: Ubuntu 14.04, Kernel: 3.13.0-36-generic (x86_64), Compiler: GCC 4.8, File-System: ext4, System Layer: Xen HVM domU 4.2.amazon SciMark 2.0 Computational Test: Composite Mflops > Higher Is Better Intel Xeon E5-2670 v2 . 1059.33 |============================================== SciMark 2.0 Computational Test: Monte Carlo Mflops > Higher Is Better Intel Xeon E5-2670 v2 . 411.49 |=============================================== SciMark 2.0 Computational Test: Fast Fourier Transform Mflops > Higher Is Better Intel Xeon E5-2670 v2 . 342.08 |=============================================== SciMark 2.0 Computational Test: Sparse Matrix Multiply Mflops > Higher Is Better Intel Xeon E5-2670 v2 . 1828.16 |============================================== SciMark 2.0 Computational Test: Dense LU Matrix Factorization Mflops > Higher Is Better Intel Xeon E5-2670 v2 . 1841.27 |============================================== SciMark 2.0 Computational Test: Jacobi Successive Over-Relaxation Mflops > Higher Is Better Intel Xeon E5-2670 v2 . 873.66 |===============================================