xen KVM VirtualBox testing on Debian 8.8 via the Phoronix Test Suite. xen: Processor: Intel Xeon E3-1265L v3 @ 2.50GHz (1 Core), Motherboard: Xen HVM domU, Chipset: Intel 440FX- 82441FX PMC, Memory: 16384 MB + 16368 MB RAM, Disk: 19GB, Graphics: bochsdrmfb OS: Debian 8.8, Kernel: 3.16.0-4-amd64 (x86_64), Compiler: GCC 4.9.2, File-System: ext4, Screen Resolution: 1024x768, System Layer: Xen HVM domU 4.7.1-1.4 localvm: Processor: Intel Core i5-7400 @ 3.00GHz (1 Core), Motherboard: Oracle VirtualBox v1.2, Chipset: Intel 440FX- 82441FX PMC, Memory: 1024MB, Disk: 16GB VBOX HDD, Graphics: InnoTek VirtualBox, Audio: Intel 82801AA AC 97 Audio, Network: Intel 82540EM Gigabit OS: Debian 8.8, Kernel: 3.16.0-4-amd64 (x86_64), Compiler: GCC 4.9.2, File-System: ext4, System Layer: KVM VirtualBox AIO-Stress 0.21 Test: Random Write MB/s > Higher Is Better xen ..... 91.27 |======= localvm . 745.40 |============================================================= Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: Sync - Buffered: No - Direct: Yes - Block Size: 32KB - Disk Target: / MB/s > Higher Is Better xen ..... 52.51 |============================================================== localvm . 39.69 |=============================================== Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: Sync - Buffered: No - Direct: Yes - Block Size: 32KB - Disk Target: / IOPS > Higher Is Better xen ..... 1641 |=============================================================== localvm . 1240 |================================================ RAMspeed SMP 3.5.0 Type: Scale - Benchmark: Floating Point MB/s > Higher Is Better xen ..... 13253.90 |======================================================= localvm . 14221.34 |=========================================================== 7-Zip Compression 9.20.1 Compress Speed Test MIPS > Higher Is Better xen ..... 3603 |=============================================================== localvm . 3133 |======================================================= C-Ray 1.1 Total Time Seconds < Lower Is Better xen ..... 97.17 |============================================================== localvm . 94.77 |============================================================ Gzip Compression 2GB File Compression Seconds < Lower Is Better xen ..... 19.05 |============================================================== localvm . 13.01 |==========================================