Ubuntu Server, Xen VM Xen HVM domU 4.1.5 testing on Ubuntu 14.04 via the Phoronix Test Suite. x3550, local storage: Processor: Intel Xeon E5420 @ 2.49GHz (1 Core), Motherboard: Xen HVM domU v4.1.5, Chipset: Intel 440FX- 82441FX PMC, Memory: 2048MB, Disk: 18GB, Graphics: Cirrus Logic GD 5446 OS: Ubuntu 14.04, Kernel: 3.13.0-44-generic (x86_64), Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1024x768, System Layer: Xen HVM domU 4.1.5 AIO-Stress 0.21 Random Write MB/s > Higher Is Better x3550, local storage . 50.44 |================================================= SQLite 3.7.3 12,500 INSERTs Seconds < Lower Is Better x3550, local storage . 374.22 |================================================ FS-Mark 3.3 1000 Files, 1MB Size Files/s > Higher Is Better x3550, local storage . 40.90 |================================================= Dbench 4.0 12 Clients MB/s > Higher Is Better x3550, local storage . 100.44 |================================================ Dbench 4.0 48 Clients MB/s > Higher Is Better x3550, local storage . 117.52 |================================================ Dbench 4.0 128 Clients MB/s > Higher Is Better x3550, local storage . 94.71 |================================================= Dbench 4.0 1 Clients MB/s > Higher Is Better x3550, local storage . 40.30 |================================================= IOzone 3.405 8GB Read Performance MB/s > Higher Is Better x3550, local storage . 103.18 |================================================ IOzone 3.405 8GB Write Performance MB/s > Higher Is Better x3550, local storage . 100.44 |================================================ Threaded I/O Tester 0.3.3 64MB Random Read - 32 Threads MB/s > Higher Is Better x3550, local storage . 18.37 |================================================= Threaded I/O Tester 0.3.3 64MB Random Write - 32 Threads MB/s > Higher Is Better x3550, local storage . 1.53 |================================================== Compile Bench 0.6 Test: Compile MB/s > Higher Is Better x3550, local storage . 66.96 |================================================= Compile Bench 0.6 Test: Initial Create MB/s > Higher Is Better x3550, local storage . 61.69 |================================================= Compile Bench 0.6 Test: Read Compiled Tree MB/s > Higher Is Better x3550, local storage . 36.04 |================================================= Unpacking The Linux Kernel linux-2.6.32.tar.bz2 Seconds < Lower Is Better x3550, local storage . 16.57 |================================================= PostMark 1.51 Disk Transaction Performance TPS > Higher Is Better x3550, local storage . 1260 |================================================== Gzip Compression 2GB File Compression Seconds < Lower Is Better x3550, local storage . 25.51 |================================================= Apache Benchmark 2.4.7 Static Web Page Serving Requests Per Second > Higher Is Better x3550, local storage . 2989.38 |===============================================