out Intel Core i7-4770K testing with a Microsoft Virtual Machine v7.0 and hyperv_fb on Ubuntu 14.04 via the Phoronix Test Suite. out 1: Processor: Intel Core i7-4770K @ 3.20GHz (2 Cores), Motherboard: Microsoft Virtual Machine v7.0, Memory: 32768MB, Disk: 54GB Virtual Disk + 1200GB MTFDHAX1T2MCF-1A, Graphics: hyperv_fb OS: Ubuntu 14.04, Kernel: 4.4.0-83-generic (x86_64), Compiler: GCC 4.8.4, File-System: UNKNOWN (0x794c7630), Screen Resolution: 1152x864 Virtual Disk: Processor: Intel Core i7-4770K @ 3.20GHz (2 Cores), Motherboard: Microsoft Virtual Machine v7.0, Memory: 32768MB, Disk: 54GB Virtual Disk + 1200GB MTFDHAX1T2MCF-1A, Graphics: hyperv_fb OS: Ubuntu 14.04, Kernel: 4.4.0-83-generic (x86_64), Compiler: GCC 4.8.4, File-System: UNKNOWN (0x794c7630), Screen Resolution: 1152x864 AIO-Stress 0.21 Random Write MB/s > Higher Is Better out 1 . 2146.77 |============================================================== SQLite 3.8.10.2 Test Target: Default Test Directory Seconds < Lower Is Better Virtual Disk . 3.16 |==========================================================