KVM KVM VS VIRTUALBOX KVM: Processor: 2 x Intel Xeon E312xx (Sandy Bridge) @ 2.39GHz (2 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996), Chipset: Intel 440FX- 82441FX PMC, Memory: 2048MB, Disk: 7GB, Graphics: Cirrus Logic GD 5446, Audio: Generic 1af4 ID 22, Network: Red Hat Virtio device OS: Ubuntu 14.04, Kernel: 3.13.0-32-generic (x86_64), Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1024x768 Sudokut 0.4 Total Time Seconds < Lower Is Better KVM . 19.63 |================================================================== Open FMM Nero2D 2.0.2 Total Time Seconds < Lower Is Better KVM . 637.93 |================================================================= Minion 0.15 Solitaire Seconds < Lower Is Better KVM . 102.30 |================================================================= Mencoder 1.1 AVI To LAVC Seconds < Lower Is Better KVM . 26.29 |================================================================== FFmpeg 2.1.1 H.264 HD To NTSC DV Seconds < Lower Is Better KVM . 24.50 |================================================================== dcraw RAW To PPM Image Conversion Seconds < Lower Is Better KVM . 64.93 |================================================================== Crafty 23.4 Elapsed Time Seconds < Lower Is Better KVM . 89.44 |================================================================== x264 2014-08-30 H.264 Video Encoding Frames Per Second > Higher Is Better KVM . 51.77 |================================================================== SciMark 2.0 Composite Mflops > Higher Is Better KVM . 980.51 |================================================================= CacheBench Write Cache MB/s > Higher Is Better KVM . 9677.15 |================================================================ CacheBench Read Cache MB/s > Higher Is Better KVM . 2708.24 |================================================================ BYTE Unix Benchmark 3.6 Dhrystone 2 LPS > Higher Is Better KVM . 24719642.43 |============================================================ Fhourstones 3.1 Complex Connect-4 Solving Kpos / sec > Higher Is Better KVM . 9999.10 |================================================================ GMPbench 0.2 Total Time GMPbench Score > Higher Is Better KVM . 3018.90 |================================================================ Timed MrBayes Analysis 3.1.2 Primate Phylogeny Analysis Seconds < Lower Is Better KVM . 47.51 |================================================================== Timed MAFFT Alignment 6.864 Multiple Sequence Alignment Seconds < Lower Is Better KVM . 15.56 |================================================================== Timed HMMer Search 2.3.2 Pfam Database Search Seconds < Lower Is Better KVM . 33.01 |================================================================== Stream 2013-01-17 Scale MB/s > Higher Is Better KVM . 7247.58 |================================================================ Stream 2013-01-17 Copy MB/s > Higher Is Better KVM . 7288.92 |================================================================ Stream 2013-01-17 Add MB/s > Higher Is Better KVM . 8122.34 |================================================================ RAMspeed SMP 3.5.0 Floating-Point Add MB/s > Higher Is Better KVM . 7415.71 |================================================================ RAMspeed SMP 3.5.0 Integer Scale MB/s > Higher Is Better KVM . 6596.43 |================================================================ RAMspeed SMP 3.5.0 Integer Copy MB/s > Higher Is Better KVM . 6392.75 |================================================================ RAMspeed SMP 3.5.0 Integer Add MB/s > Higher Is Better KVM . 6426.30 |================================================================ SQLite 3.7.3 12,500 INSERTs Seconds < Lower Is Better KVM . 1123.21 |================================================================