test VirtualBox testing on Debian 6.0.5 via the Phoronix Test Suite. Virtualbox: Processor: Intel Core i7-2600K @ 3.36GHz (8 Cores), Motherboard: Oracle VirtualBox v1.2, Chipset: Intel 440FX- 82441FX PMC, Memory: 1024MB, Disk: 9GB VBOX HDD, Graphics: InnoTek VirtualBox, Audio: Intel 82801AA AC 97 Audio, Network: Intel 82540EM Gigabit OS: Debian 6.0.5, Kernel: 2.6.32-5-amd64 (x86_64), Desktop: GNOME 2.30.2, Display Driver: vboxvideo 1.0.1, Compiler: GCC 4.4.5, File-System: xfs, System Layer: VirtualBox VMware 4 cores: Processor: Intel Core i7-2600K @ 3.40GHz (4 Cores), Motherboard: Intel 440BX, Chipset: Intel 440BX/ZX/DX, Memory: 1 x 1024 MB DRAM, Disk: 9GB VMware Virtual S + 9GB VMware Virtual I, Graphics: VMware SVGA II, Audio: Ensoniq ES1371, Network: Intel 82545EM Gigabit OS: Debian 6.0.5, Kernel: 2.6.32-5-amd64 (x86_64), Desktop: GNOME 2.30.2, Display Driver: vmware 11.0.1, Compiler: GCC 4.4.5, File-System: xfs, System Layer: VMware Virtualbox 4 cores: Processor: Intel Core i7-2600K @ 3.28GHz (4 Cores), Motherboard: Oracle VirtualBox v1.2, Chipset: Intel 440FX- 82441FX PMC, Memory: 1024MB, Disk: 9GB VBOX HDD, Graphics: InnoTek VirtualBox, Audio: Intel 82801AA AC 97 Audio, Network: Intel 82540EM Gigabit OS: Debian 6.0.5, Kernel: 2.6.32-5-amd64 (x86_64), Display Driver: vboxvideo 1.0.1, Compiler: GCC 4.4.5, File-System: xfs, System Layer: VirtualBox Bare metal: Processor: Intel Core i7-2600K @ 3.40GHz (8 Cores), Motherboard: ASUS P8Z68-V LX, Chipset: Intel Sandy Bridge DRAM, Memory: 4 x 4096 MB 1600MHz, Disk: 120GB OCZ VERTEX3 + 1500GB Seagate ST31500341AS, Graphics: NVIDIA Device 1244, Audio: Realtek ALC887, Monitor: HP 2311, Network: Realtek RTL8111/8168B OS: Debian 6.0.5, Kernel: 2.6.32-5-amd64 (x86_64), Display Driver: vesa 2.3.0, File-System: xfs Xen Dom0: Processor: Intel Core i7-2600K @ 3.40GHz (8 Cores), Motherboard: ASUS P8Z68-V LX, Chipset: Intel Sandy Bridge DRAM, Memory: 4 x 4096 MB 1600MHz, Disk: 120GB OCZ VERTEX3 + 1500GB Seagate ST31500341AS, Graphics: NVIDIA Device 1244, Audio: Realtek ALC887, Monitor: HP 2311, Network: Realtek RTL8111/8168B OS: Debian 6.0.5, Kernel: 2.6.32-5-xen-amd64 (x86_64), Display Driver: vesa 2.3.0, Compiler: GCC 4.4.5, File-System: xfs, System Layer: Xen 4.0.1 Hypervisor Apache Benchmark 2.2.21 Static Web Page Serving Requests Per Second > Higher Is Better Virtualbox ......... 11598.85 |=============== VMware 4 cores ..... 15346.21 |==================== Virtualbox 4 cores . 11480.35 |=============== Bare metal ......... 36677.94 |================================================ Xen Dom0 ........... 8912.58 |============ Timed ImageMagick Compilation 6.6.3-4 Time To Compile Seconds < Lower Is Better Virtualbox ......... 49.75 |=================================================== VMware 4 cores ..... 45.37 |=============================================== Virtualbox 4 cores . 49.65 |=================================================== Bare metal ......... 29.39 |============================== Xen Dom0 ........... 31.77 |================================= Timed PHP Compilation 5.2.9 Time To Compile Seconds < Lower Is Better Virtualbox ......... 28.01 |================================================ VMware 4 cores ..... 23.49 |========================================= Virtualbox 4 cores . 29.57 |=================================================== Bare metal ......... 18.74 |================================ Xen Dom0 ........... 26.26 |============================================= FFmpeg 0.10 AVI To NTSC VCD Seconds < Lower Is Better Virtualbox ......... 9.02 |==================================================== VMware 4 cores ..... 8.76 |================================================== Virtualbox 4 cores . 9.07 |==================================================== Bare metal ......... 8.57 |================================================= Xen Dom0 ........... 8.67 |================================================== GraphicsMagick 1.3.12 Operation: Blur Iterations Per Minute > Higher Is Better Virtualbox ......... 122 |============================================ VMware 4 cores ..... 121 |=========================================== Virtualbox 4 cores . 118 |========================================== Bare metal ......... 148 |===================================================== Xen Dom0 ........... 129 |============================================== GraphicsMagick 1.3.12 Operation: Sharpen Iterations Per Minute > Higher Is Better Virtualbox ......... 84 |=============================================== VMware 4 cores ..... 63 |=================================== Virtualbox 4 cores . 61 |================================== Bare metal ......... 97 |====================================================== Xen Dom0 ........... 93 |==================================================== GraphicsMagick 1.3.12 Operation: Resizing Iterations Per Minute > Higher Is Better Virtualbox ......... 117 |================================== VMware 4 cores ..... 153 |============================================= Virtualbox 4 cores . 149 |=========================================== Bare metal ......... 182 |===================================================== Xen Dom0 ........... 146 |=========================================== GraphicsMagick 1.3.12 Operation: HWB Color Space Iterations Per Minute > Higher Is Better Virtualbox ......... 169 |============================================ VMware 4 cores ..... 199 |==================================================== Virtualbox 4 cores . 193 |================================================== Bare metal ......... 204 |===================================================== Xen Dom0 ........... 181 |=============================================== GraphicsMagick 1.3.12 Operation: Local Adaptive Thresholding Iterations Per Minute > Higher Is Better Virtualbox ......... 84 |================================================ VMware 4 cores ..... 65 |===================================== Virtualbox 4 cores . 64 |==================================== Bare metal ......... 95 |====================================================== Xen Dom0 ........... 90 |=================================================== NGINX Benchmark 1.0.11 Static Web Page Serving Requests Per Second > Higher Is Better Virtualbox ......... 16241.05 |============== VMware 4 cores ..... 48839.33 |=========================================== Virtualbox 4 cores . 15832.99 |============== Bare metal ......... 53973.85 |================================================ Xen Dom0 ........... 29020.34 |========================== OpenSSL 1.0.0e RSA 4096-bit Performance Signs Per Second > Higher Is Better Virtualbox ......... 106.15 |================================================= VMware 4 cores ..... 108.05 |================================================== Virtualbox 4 cores . 106.00 |================================================= Bare metal ......... 108.83 |================================================== Xen Dom0 ........... 108.68 |================================================== PHPBench 0.8.1 PHP Benchmark Suite Score > Higher Is Better Virtualbox ......... 87918 |=========================================== VMware 4 cores ..... 101960 |================================================== Virtualbox 4 cores . 87961 |=========================================== Bare metal ......... 102431 |================================================== Xen Dom0 ........... 99536 |================================================= POV-Ray 3.6.1 Total Time Seconds < Lower Is Better Virtualbox ......... 581 |==================================================== VMware 4 cores ..... 564 |=================================================== Virtualbox 4 cores . 588 |===================================================== Bare metal ......... 561 |=================================================== Xen Dom0 ........... 560 |================================================== Stream 2009-04-11 Type: Copy MB/s > Higher Is Better Virtualbox ......... 12809.28 |======================================= VMware 4 cores ..... 12843.90 |======================================== Virtualbox 4 cores . 15606.92 |================================================ Bare metal ......... 11547.41 |==================================== Xen Dom0 ........... 11434.29 |=================================== Stream 2009-04-11 Type: Scale MB/s > Higher Is Better Virtualbox ......... 11855.46 |======================================= VMware 4 cores ..... 12479.44 |========================================= Virtualbox 4 cores . 14686.09 |================================================ Bare metal ......... 11324.61 |===================================== Xen Dom0 ........... 11146.20 |==================================== Stream 2009-04-11 Type: Triad MB/s > Higher Is Better Virtualbox ......... 12960.63 |======================================== VMware 4 cores ..... 13446.39 |========================================= Virtualbox 4 cores . 15558.40 |================================================ Bare metal ......... 12376.93 |====================================== Xen Dom0 ........... 12052.39 |===================================== Stream 2009-04-11 Type: Add MB/s > Higher Is Better Virtualbox ......... 12579.13 |======================================== VMware 4 cores ..... 13104.55 |========================================== Virtualbox 4 cores . 15092.34 |================================================ Bare metal ......... 12025.47 |====================================== Xen Dom0 ........... 11726.73 |===================================== Threaded I/O Tester 0.3.3 Test: Read - Size Per Thread: 64MB - Thread Count: 4 MB/s > Higher Is Better Virtualbox ......... 2089.27 |====== VMware 4 cores ..... 13601.46 |====================================== Virtualbox 4 cores . 2240.36 |====== Bare metal ......... 17093.73 |================================================ Xen Dom0 ........... 8122.49 |======================= Threaded I/O Tester 0.3.3 Test: Read - Size Per Thread: 64MB - Thread Count: 8 MB/s > Higher Is Better Virtualbox ......... 1088.63 |=== VMware 4 cores ..... 14774.27 |======================================== Virtualbox 4 cores . 2243.59 |====== Bare metal ......... 17513.73 |================================================ Xen Dom0 ........... 12448.73 |================================== Threaded I/O Tester 0.3.3 Test: Read - Size Per Thread: 64MB - Thread Count: 16 MB/s > Higher Is Better Virtualbox ......... 322.51 |= VMware 4 cores ..... 133.03 | Virtualbox 4 cores . 112.58 | Bare metal ......... 17909.18 |================================================ Xen Dom0 ........... 12389.49 |================================= Threaded I/O Tester 0.3.3 Test: Read - Size Per Thread: 64MB - Thread Count: 32 MB/s > Higher Is Better Virtualbox ......... 188.09 | VMware 4 cores ..... 63.22 | Virtualbox 4 cores . 37.04 | Bare metal ......... 18147.18 |================================================ Xen Dom0 ........... 12365.68 |================================= Threaded I/O Tester 0.3.3 Test: Write - Size Per Thread: 64MB - Thread Count: 4 MB/s > Higher Is Better Virtualbox ......... 312.27 |================================ VMware 4 cores ..... 73.31 |======== Virtualbox 4 cores . 404.96 |========================================== Bare metal ......... 487.14 |================================================== Xen Dom0 ........... 461.36 |=============================================== Threaded I/O Tester 0.3.3 Test: Write - Size Per Thread: 64MB - Thread Count: 8 MB/s > Higher Is Better Virtualbox ......... 342.47 |==================================== VMware 4 cores ..... 81.91 |========= Virtualbox 4 cores . 301.58 |================================ Bare metal ......... 474.93 |================================================== Xen Dom0 ........... 467.48 |================================================= Threaded I/O Tester 0.3.3 Test: Write - Size Per Thread: 64MB - Thread Count: 16 MB/s > Higher Is Better Virtualbox ......... 347.61 |==================================== VMware 4 cores ..... 42.54 |==== Virtualbox 4 cores . 382.38 |======================================= Bare metal ......... 484.09 |================================================== Xen Dom0 ........... 371.04 |====================================== Threaded I/O Tester 0.3.3 Test: Write - Size Per Thread: 64MB - Thread Count: 32 MB/s > Higher Is Better Virtualbox ......... 271.93 |===================================== VMware 4 cores ..... 23.71 |=== Virtualbox 4 cores . 122.97 |================= Bare metal ......... 368.66 |================================================== Xen Dom0 ........... 226.65 |=============================== Threaded I/O Tester 0.3.3 Test: Random Read - Size Per Thread: 64MB - Thread Count: 4 MB/s > Higher Is Better Virtualbox ......... 1805.87 |======= VMware 4 cores ..... 10633.02 |============================================ Virtualbox 4 cores . 2008.01 |======== Bare metal ......... 11642.11 |================================================ Xen Dom0 ........... 6088.07 |========================= Threaded I/O Tester 0.3.3 Test: Random Read - Size Per Thread: 64MB - Thread Count: 8 MB/s > Higher Is Better Virtualbox ......... 1384.04 |===== VMware 4 cores ..... 11579.82 |=========================================== Virtualbox 4 cores . 2036.02 |======== Bare metal ......... 12967.27 |================================================ Xen Dom0 ........... 9057.63 |================================== Threaded I/O Tester 0.3.3 Test: Random Read - Size Per Thread: 64MB - Thread Count: 16 MB/s > Higher Is Better Virtualbox ......... 48.41 | VMware 4 cores ..... 7.08 | Virtualbox 4 cores . 56.51 | Bare metal ......... 13716.97 |================================================ Xen Dom0 ........... 9143.89 |================================ Threaded I/O Tester 0.3.3 Test: Random Read - Size Per Thread: 64MB - Thread Count: 32 MB/s > Higher Is Better Virtualbox ......... 16.06 | VMware 4 cores ..... 1.80 | Virtualbox 4 cores . 16.53 | Bare metal ......... 14217.22 |================================================ Xen Dom0 ........... 9135.61 |=============================== Threaded I/O Tester 0.3.3 Test: Random Write - Size Per Thread: 64MB - Thread Count: 4 MB/s > Higher Is Better Virtualbox ......... 72.42 |=========== VMware 4 cores ..... 1.52 | Virtualbox 4 cores . 62.15 |========= Bare metal ......... 331.76 |================================================== Xen Dom0 ........... 302.59 |============================================== Threaded I/O Tester 0.3.3 Test: Random Write - Size Per Thread: 64MB - Thread Count: 8 MB/s > Higher Is Better Virtualbox ......... 70.26 |========== VMware 4 cores ..... 0.66 | Virtualbox 4 cores . 60.83 |========= Bare metal ......... 340.02 |================================================== Xen Dom0 ........... 261.88 |======================================= Threaded I/O Tester 0.3.3 Test: Random Write - Size Per Thread: 64MB - Thread Count: 16 MB/s > Higher Is Better Virtualbox ......... 58.03 |========= VMware 4 cores ..... 0.40 | Virtualbox 4 cores . 58.51 |========= Bare metal ......... 330.83 |================================================== Xen Dom0 ........... 202.30 |=============================== Threaded I/O Tester 0.3.3 Test: Random Write - Size Per Thread: 64MB - Thread Count: 32 MB/s > Higher Is Better Virtualbox ......... 43.95 |======= VMware 4 cores ..... 0.33 | Virtualbox 4 cores . 39.93 |======= Bare metal ......... 307.14 |================================================== Xen Dom0 ........... 214.94 |=================================== Unpacking The Linux Kernel linux-2.6.32.tar.bz2 Seconds < Lower Is Better Virtualbox ......... 306.31 |================================================== VMware 4 cores ..... 58.90 |========== Virtualbox 4 cores . 266.30 |=========================================== Bare metal ......... 9.47 |== Xen Dom0 ........... 10.22 |==