IOZONE VirtualBox testing on CentOS 6.7 via the Phoronix Test Suite. vmware: Processor: 4 x Intel Core i7-6820HQ @ 2.71GHz (4 Cores), Motherboard: Intel 440BX, Chipset: Intel 440BX/ZX/DX, Memory: 12288MB, Disk: 64GB VMware Virtual S + 13GB VMware Virtual S, Graphics: VMware SVGA II, Audio: Ensoniq ES1371 / Creative, Network: Intel 82545EM Gigabit OS: Ubuntu 16.04, Kernel: 4.4.0-43-generic (x86_64), Desktop: Unity 7.4.0, Display Server: X Server 1.18.4, Display Driver: vmware 13.1.0, OpenGL: 2.1 Mesa 11.2.0 Gallium 0.4, Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1680x1050, System Layer: VMware bare: Processor: Intel Core i5-2540M @ 3.30GHz (4 Cores), Motherboard: Dell 0CMN08, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 8192MB, Disk: 256GB Samsung SSD 840, Graphics: Intel HD 3000 (1300MHz), Audio: IDT 92HD90BXX, Monitor: DELL P2414H, Network: Intel 82579LM Gigabit Connection + Intel Centrino Advanced-N 6205 OS: Ubuntu 16.04, Kernel: 4.4.0-42-generic (x86_64), Desktop: Unity 7.4.0, Display Server: X Server 1.18.3, Display Driver: intel 2.99.917, OpenGL: 3.3 Mesa 11.2.0, Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 3840x1080 bare-with-vagrant: Processor: Intel Core i5-2540M @ 2.59GHz (1 Core), Motherboard: Oracle VirtualBox v1.2, Memory: 490MB, Disk: 43GB VBOX HDD OS: CentOS 6.7, Kernel: 2.6.32-573.el6.x86_64 (x86_64), Compiler: GCC 4.4.7 20120313, File-System: ext4, System Layer: VirtualBox IOzone 3.405 Record Size: 1MB - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better vmware ............ 9888.17 |================================================== bare .............. 5304.85 |=========================== bare-with-vagrant . 246.50 |= IOzone 3.405 Record Size: 1MB - File Size: 4GB - Disk Test: Read Performance MB/s > Higher Is Better vmware ............ 10573.78 |================================================= bare .............. 508.93 |== bare-with-vagrant . 245.07 |= IOzone 3.405 Record Size: 1MB - File Size: 8GB - Disk Test: Read Performance MB/s > Higher Is Better vmware ............ 10752.56 |================================================= bare .............. 509.85 |== bare-with-vagrant . 246.93 |= IOzone 3.405 Record Size: 4Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better vmware ............ 7501.41 |================================================== bare .............. 4836.19 |================================ bare-with-vagrant . 260.42 |== IOzone 3.405 Record Size: 4Kb - File Size: 4GB - Disk Test: Read Performance MB/s > Higher Is Better vmware ............ 8121.92 |================================================== bare .............. 510.43 |=== bare-with-vagrant . 254.21 |== IOzone 3.405 Record Size: 4Kb - File Size: 8GB - Disk Test: Read Performance MB/s > Higher Is Better vmware ............ 8485.96 |================================================== bare .............. 506.01 |=== bare-with-vagrant . 244.13 |= IOzone 3.405 Record Size: 1MB - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better vmware ............ 278.48 |========================================= bare .............. 345.51 |=================================================== bare-with-vagrant . 268.50 |======================================== IOzone 3.405 Record Size: 1MB - File Size: 4GB - Disk Test: Write Performance MB/s > Higher Is Better vmware ............ 286.19 |====================================== bare .............. 387.68 |=================================================== bare-with-vagrant . 345.75 |============================================= IOzone 3.405 Record Size: 1MB - File Size: 8GB - Disk Test: Write Performance MB/s > Higher Is Better vmware ............ 246.00 |=============================== bare .............. 398.68 |=================================================== bare-with-vagrant . 351.98 |============================================= IOzone 3.405 Record Size: 4Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better vmware ............ 277.31 |====================================== bare .............. 375.98 |=================================================== bare-with-vagrant . 304.63 |========================================= IOzone 3.405 Record Size: 4Kb - File Size: 4GB - Disk Test: Write Performance MB/s > Higher Is Better vmware ............ 251.37 |============================== bare .............. 422.97 |=================================================== bare-with-vagrant . 317.70 |====================================== IOzone 3.405 Record Size: 4Kb - File Size: 8GB - Disk Test: Write Performance MB/s > Higher Is Better vmware ............ 231.18 |============================= bare .............. 404.00 |=================================================== bare-with-vagrant . 325.24 |========================================= IOzone 3.405 Record Size: 64Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better vmware ............ 10176.59 |================================================= bare .............. 5932.03 |============================= bare-with-vagrant . 268.79 |= IOzone 3.405 Record Size: 64Kb - File Size: 4GB - Disk Test: Read Performance MB/s > Higher Is Better vmware ............ 10868.28 |================================================= bare .............. 506.96 |== bare-with-vagrant . 267.48 |= IOzone 3.405 Record Size: 64Kb - File Size: 8GB - Disk Test: Read Performance MB/s > Higher Is Better vmware ............ 11345.17 |================================================= bare .............. 508.88 |== bare-with-vagrant . 271.52 |= IOzone 3.405 Record Size: 1MB - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better vmware ............ 6876.85 |================================================== bare .............. 3798.21 |============================ bare-with-vagrant . 262.46 |== IOzone 3.405 Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better vmware ............ 6884.04 |================================================== bare .............. 3150.40 |======================= bare-with-vagrant . 265.66 |== IOzone 3.405 Record Size: 64Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better vmware ............ 278.72 |=========================================== bare .............. 327.00 |=================================================== bare-with-vagrant . 284.94 |============================================ IOzone 3.405 Record Size: 64Kb - File Size: 4GB - Disk Test: Write Performance MB/s > Higher Is Better vmware ............ 248.31 |=================================== bare .............. 362.34 |=================================================== bare-with-vagrant . 285.54 |======================================== IOzone 3.405 Record Size: 64Kb - File Size: 8GB - Disk Test: Write Performance MB/s > Higher Is Better vmware ............ 219.55 |============================= bare .............. 380.37 |=================================================== bare-with-vagrant . 344.25 |============================================== IOzone 3.405 Record Size: 1MB - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better vmware ............ 272.84 |=================================================== bare .............. 266.48 |================================================== bare-with-vagrant . 179.15 |================================= IOzone 3.405 Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better vmware ............ 269.86 |=================================================== bare .............. 242.20 |============================================== bare-with-vagrant . 186.01 |=================================== IOzone 3.405 Record Size: 64Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better vmware ............ 7190.61 |================================================== bare .............. 3995.04 |============================ bare-with-vagrant . 253.08 |== IOzone 3.405 Record Size: 64Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better vmware ............ 273.53 |=================================================== bare .............. 217.47 |========================================= bare-with-vagrant . 185.63 |===================================