4 x Common KVM Performance Various open-source benchmarks by the Phoronix Test Suite v5.2.1 (Khanino). Common KVM: Processor: 4 x Common KVM @ 2.60GHz (24 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996), Chipset: Intel 440FX- 82441FX PMC, Memory: 2 x 16384 MB RAM QEMU, Disk: 31GB, Graphics: Cirrus Logic GD 5446, Network: Red Hat Virtio device OS: Debian 7.6, Kernel: 3.2.0-4-amd64 (x86_64), Compiler: GCC 4.7.2, File-System: ext4 AIO-Stress 0.21 Test: Random Write MB/s > Higher Is Better Common KVM . 1544.48 |========================================================= Flexible IO Tester 2.1.11 Test: Example Network Job - Disk Target: Default Test Directory Seconds (Run Time) < Lower Is Better Common KVM . 372.40 |========================================================== Flexible IO Tester 2.1.11 Test: Intel IOMeter File Server Access Pattern - Disk Target: Default Test Directory Seconds (Run Time) < Lower Is Better Common KVM . 102.65 |========================================================== Timed Apache Compilation 2.4.7 Time To Compile Seconds < Lower Is Better Common KVM . 49.83 |===========================================================