Ubuntu 12.10 KVM Virtualization - Ubuntu 12.04, CentOS 6.3 Ubuntu 12.10 virtualization performance benchmarking with KVM virtual machines against an Intel Core i7 Sandy Bridge Extreme Edition i7-3960X host with hardware virtualization on Linux 3.5. Ubuntu Linux virtualization results compared to KVM on Ubuntu 12.04.1 LTS and CentOS 6.3 from the same hardware system. Benchmarking for a future article on Phoronix.com. CentOS 6.3: Bare Metal Host: Processor: Intel Core i7-3960X @ 3.30GHz (12 Cores), Motherboard: Intel DX79SI, Chipset: Intel Xeon E5/Core, Memory: 2 x 4096 MB DDR3-1600MHz, Disk: 64GB OCZ VERTEX, Graphics: AMD Radeon HD 4650 512MB, Audio: Intel C600/X79, Monitor: DELL S2409W, Network: Intel 82579LM Gigabit Connection OS: CentOS 6.3, Kernel: 2.6.32-279.el6.x86_64 (x86_64), Desktop: GNOME 2.28.2, Display Server: X Server 1.10.6, Display Driver: radeon 6.14.2, OpenGL: 2.1 Mesa 7.11 Gallium 0.4, Compiler: GCC 4.4.6 20120305, File-System: ext4, Screen Resolution: 1920x1080 CentOS 6.3: KVM: Processor: QEMU Virtual @ 3.30GHz (12 Cores), Motherboard: Red Hat KVM, Chipset: Red Hat Virtio, Memory: 4096MB, Disk: 20GB, Graphics: Cirrus Logic GD 5446, Audio: Intel 82801FB/FBM/FR/FW/FRW, Network: Red Hat Virtio device OS: CentOS 6.3, Kernel: 2.6.32-279.el6.x86_64 (x86_64), Desktop: GNOME 2.28.2, Display Server: X Server 1.10.6, Display Driver: cirrus 1.3.2, OpenGL: 2.1 Mesa 7.11, Compiler: GCC 4.4.6 20120305, File-System: ext4, Screen Resolution: 1024x768, System Layer: QEMU Ubuntu 12.04.1 LTS: Bare Metal Host: Processor: Intel Core i7-3960X @ 3.30GHz (12 Cores), Motherboard: Intel DX79SI, Chipset: Intel Sandy Bridge DMI2, Memory: 8192MB, Disk: 64GB OCZ VERTEX, Graphics: AMD Radeon HD 4650 512MB, Audio: Realtek ALC892, Monitor: DELL S2409W, Network: Intel 82579LM Gigabit Connection OS: Ubuntu 12.04, Kernel: 3.2.0-29-generic (x86_64), Desktop: Unity 5.14.0, Display Server: X Server 1.11.3, Display Driver: radeon 6.14.99, OpenGL: 2.1 Mesa 8.0.2 Gallium 0.4, Compiler: GCC 4.6, File-System: ext4, Screen Resolution: 1920x1080 Ubuntu 12.04.1 LTS: KVM: Processor: QEMU Virtual 1.0 @ 3.30GHz (12 Cores), Motherboard: Bochs, Chipset: Red Hat Virtio, Memory: 4096MB, Disk: 20GB, Graphics: LLVMpipe, Audio: Generic 1af4 ID 20, Network: Red Hat Virtio device OS: Ubuntu 12.04, Kernel: 3.2.0-29-generic (x86_64), Desktop: Unity 2D 5.14.0, Display Server: X Server 1.11.3, Display Driver: cirrus 1.3.2, OpenGL: 2.1 Mesa 8.0.2 Gallium 0.4, Compiler: GCC 4.6, File-System: ext4, Screen Resolution: 1024x768, System Layer: QEMU 1.0 Ubuntu 12.10: Bare Metal Host: Processor: Intel Core i7-3960X @ 3.30GHz (12 Cores), Motherboard: Intel DX79SI, Chipset: Intel Xeon E5/Core, Memory: 8192MB, Disk: 64GB OCZ VERTEX, Graphics: AMD Radeon HD 4650 512MB, Audio: Realtek ALC892, Monitor: DELL S2409W, Network: Intel 82579LM Gigabit Connection OS: Ubuntu 12.10, Kernel: 3.5.0-17-generic (x86_64), Desktop: Unity 6.8.0, Display Server: X Server 1.13.0, Display Driver: radeon 6.99.99, OpenGL: 2.1 Mesa 9.0 Gallium 0.4, Compiler: GCC 4.7, File-System: ext4, Screen Resolution: 1920x1080 Ubuntu 12.10: KVM: Processor: QEMU Virtual 1.2.0 @ 3.30GHz (12 Cores), Motherboard: Bochs, Chipset: Intel 440FX- 82441FX PMC, Memory: 4096MB, Disk: 24GB, Graphics: LLVMpipe, Audio: Generic 1af4 ID 21, Network: Red Hat Virtio device OS: Ubuntu 12.10, Kernel: 3.5.0-17-generic (x86_64), Desktop: Unity 6.8.0, Display Server: X Server 1.13.0, Display Driver: cirrus 1.5.1, OpenGL: 2.1 Mesa 9.0 Gallium 0.4, Compiler: GCC 4.7, File-System: ext4, Screen Resolution: 1024x768, System Layer: QEMU 1.2.0 Dbench 4.0 Client Count: 1 MB/s > Higher Is Better CentOS 6.3: Bare Metal Host ......... 26.93 |====================== CentOS 6.3: KVM ..................... 30.67 |========================= Ubuntu 12.04.1 LTS: Bare Metal Host . 38.72 |================================ Ubuntu 12.04.1 LTS: KVM ............. 27.76 |======================= Ubuntu 12.10: Bare Metal Host ....... 41.60 |================================== Ubuntu 12.10: KVM ................... 34.51 |============================ Compile Bench 0.6 Test: Compile MB/s > Higher Is Better CentOS 6.3: Bare Metal Host ......... 204.04 |================================= CentOS 6.3: KVM ..................... 46.23 |======= Ubuntu 12.04.1 LTS: Bare Metal Host . 63.51 |========== Ubuntu 12.04.1 LTS: KVM ............. 28.18 |===== Ubuntu 12.10: Bare Metal Host ....... 75.73 |============ Ubuntu 12.10: KVM ................... 150.96 |======================== Compile Bench 0.6 Test: Initial Create MB/s > Higher Is Better CentOS 6.3: Bare Metal Host ......... 112.82 |================================= CentOS 6.3: KVM ..................... 43.56 |============= Ubuntu 12.04.1 LTS: Bare Metal Host . 75.65 |====================== Ubuntu 12.04.1 LTS: KVM ............. 40.70 |============ Ubuntu 12.10: Bare Metal Host ....... 91.57 |=========================== Ubuntu 12.10: KVM ................... 98.99 |============================= NAS Parallel Benchmarks 3.3 Test / Class: BT.A Total Mop/s > Higher Is Better CentOS 6.3: Bare Metal Host ......... 12936.18 |=============================== CentOS 6.3: KVM ..................... 8346.52 |==================== Ubuntu 12.04.1 LTS: Bare Metal Host . 12860.69 |=============================== Ubuntu 12.04.1 LTS: KVM ............. 11899.18 |============================= Ubuntu 12.10: Bare Metal Host ....... 12831.17 |=============================== Ubuntu 12.10: KVM ................... 11521.14 |============================ NAS Parallel Benchmarks 3.3 Test / Class: CG.B Total Mop/s > Higher Is Better CentOS 6.3: Bare Metal Host ......... 1565.87 |================================ CentOS 6.3: KVM ..................... 1016.13 |===================== Ubuntu 12.04.1 LTS: Bare Metal Host . 1101.05 |======================= Ubuntu 12.04.1 LTS: KVM ............. 1513.18 |=============================== Ubuntu 12.10: Bare Metal Host ....... 1530.57 |=============================== Ubuntu 12.10: KVM ................... 1456.82 |============================== NAS Parallel Benchmarks 3.3 Test / Class: EP.B Total Mop/s > Higher Is Better CentOS 6.3: Bare Metal Host ......... 353.66 |============================== CentOS 6.3: KVM ..................... 313.36 |=========================== Ubuntu 12.04.1 LTS: Bare Metal Host . 368.77 |=============================== Ubuntu 12.04.1 LTS: KVM ............. 360.19 |=============================== Ubuntu 12.10: Bare Metal Host ....... 387.23 |================================= Ubuntu 12.10: KVM ................... 378.73 |================================ NAS Parallel Benchmarks 3.3 Test / Class: FT.B Total Mop/s > Higher Is Better CentOS 6.3: Bare Metal Host ......... 6315.94 |================================ CentOS 6.3: KVM ..................... 5948.96 |============================== Ubuntu 12.04.1 LTS: Bare Metal Host . 5519.63 |============================ Ubuntu 12.04.1 LTS: KVM ............. 5891.17 |============================== Ubuntu 12.10: Bare Metal Host ....... 6363.54 |================================ Ubuntu 12.10: KVM ................... 5887.19 |============================== NAS Parallel Benchmarks 3.3 Test / Class: IS.C Total Mop/s > Higher Is Better CentOS 6.3: Bare Metal Host ......... 148.21 |========================== CentOS 6.3: KVM ..................... 110.17 |=================== Ubuntu 12.04.1 LTS: Bare Metal Host . 188.83 |================================= Ubuntu 12.04.1 LTS: KVM ............. 114.29 |==================== Ubuntu 12.10: Bare Metal Host ....... 188.55 |================================= Ubuntu 12.10: KVM ................... 115.05 |==================== NAS Parallel Benchmarks 3.3 Test / Class: LU.A Total Mop/s > Higher Is Better CentOS 6.3: Bare Metal Host ......... 11405.33 |=========================== CentOS 6.3: KVM ..................... 9717.63 |======================= Ubuntu 12.04.1 LTS: Bare Metal Host . 12918.35 |=============================== Ubuntu 12.04.1 LTS: KVM ............. 9962.72 |======================== Ubuntu 12.10: Bare Metal Host ....... 12835.23 |=============================== Ubuntu 12.10: KVM ................... 10160.83 |======================== NAS Parallel Benchmarks 3.3 Test / Class: MG.B Total Mop/s > Higher Is Better CentOS 6.3: Bare Metal Host ......... 2922.92 |================================ CentOS 6.3: KVM ..................... 1286.70 |============== Ubuntu 12.04.1 LTS: Bare Metal Host . 2370.23 |========================== Ubuntu 12.04.1 LTS: KVM ............. 2592.32 |============================ Ubuntu 12.10: Bare Metal Host ....... 2724.79 |============================== Ubuntu 12.10: KVM ................... 2505.78 |=========================== NAS Parallel Benchmarks 3.3 Test / Class: SP.A Total Mop/s > Higher Is Better CentOS 6.3: Bare Metal Host ......... 3878.18 |================================ CentOS 6.3: KVM ..................... 1698.74 |============== Ubuntu 12.04.1 LTS: Bare Metal Host . 3854.57 |================================ Ubuntu 12.04.1 LTS: KVM ............. 3313.68 |=========================== Ubuntu 12.10: Bare Metal Host ....... 3642.89 |============================== Ubuntu 12.10: KVM ................... 3367.85 |============================ NAS Parallel Benchmarks 3.3 Test / Class: UA.A Total Mop/s > Higher Is Better CentOS 6.3: Bare Metal Host ......... 53.91 |================================== CentOS 6.3: KVM ..................... 46.62 |============================= Ubuntu 12.04.1 LTS: Bare Metal Host . 45.01 |============================ Ubuntu 12.04.1 LTS: KVM ............. 41.27 |========================== Ubuntu 12.10: Bare Metal Host ....... 52.60 |================================= Ubuntu 12.10: KVM ................... 36.78 |======================= Dolfyn 0.527 Computational Fluid Dynamics Seconds < Lower Is Better CentOS 6.3: Bare Metal Host ......... 26.87 |================================= CentOS 6.3: KVM ..................... 27.39 |================================== Ubuntu 12.04.1 LTS: Bare Metal Host . 24.65 |=============================== Ubuntu 12.04.1 LTS: KVM ............. 25.07 |=============================== Ubuntu 12.10: Bare Metal Host ....... 24.02 |============================== Ubuntu 12.10: KVM ................... 24.67 |=============================== FFTE 5.0 Test: N=64, 1D Complex FFT Routine MFLOPS > Higher Is Better CentOS 6.3: Bare Metal Host ......... 5925.41 |================================ CentOS 6.3: KVM ..................... 5843.23 |================================ Ubuntu 12.04.1 LTS: Bare Metal Host . 5469.06 |============================== Ubuntu 12.04.1 LTS: KVM ............. 5470.42 |============================== Ubuntu 12.10: Bare Metal Host ....... 5762.41 |=============================== Ubuntu 12.10: KVM ................... 5714.71 |=============================== SciMark 2.0 Computational Test: Monte Carlo Mflops > Higher Is Better CentOS 6.3: Bare Metal Host ......... 325.88 |==================== CentOS 6.3: KVM ..................... 322.69 |==================== Ubuntu 12.04.1 LTS: Bare Metal Host . 539.23 |================================= Ubuntu 12.04.1 LTS: KVM ............. 536.54 |================================= Ubuntu 12.10: Bare Metal Host ....... 400.61 |========================= Ubuntu 12.10: KVM ................... 407.79 |========================= SciMark 2.0 Computational Test: Fast Fourier Transform Mflops > Higher Is Better CentOS 6.3: Bare Metal Host ......... 322.76 |=============================== CentOS 6.3: KVM ..................... 314.00 |============================== Ubuntu 12.04.1 LTS: Bare Metal Host . 284.98 |=========================== Ubuntu 12.04.1 LTS: KVM ............. 241.54 |======================= Ubuntu 12.10: Bare Metal Host ....... 343.63 |================================= Ubuntu 12.10: KVM ................... 229.09 |====================== SciMark 2.0 Computational Test: Sparse Matrix Multiply Mflops > Higher Is Better CentOS 6.3: Bare Metal Host ......... 2040.56 |================================ CentOS 6.3: KVM ..................... 1995.36 |=============================== Ubuntu 12.04.1 LTS: Bare Metal Host . 1812.39 |============================ Ubuntu 12.04.1 LTS: KVM ............. 1943.54 |============================== Ubuntu 12.10: Bare Metal Host ....... 2015.28 |================================ Ubuntu 12.10: KVM ................... 1863.96 |============================= SciMark 2.0 Computational Test: Dense LU Matrix Factorization Mflops > Higher Is Better CentOS 6.3: Bare Metal Host ......... 2250.35 |============================== CentOS 6.3: KVM ..................... 2204.18 |============================== Ubuntu 12.04.1 LTS: Bare Metal Host . 2341.80 |================================ Ubuntu 12.04.1 LTS: KVM ............. 2240.92 |============================== Ubuntu 12.10: Bare Metal Host ....... 2367.75 |================================ Ubuntu 12.10: KVM ................... 2197.08 |============================== SciMark 2.0 Computational Test: Jacobi Successive Over-Relaxation Mflops > Higher Is Better CentOS 6.3: Bare Metal Host ......... 1174.66 |================================ CentOS 6.3: KVM ..................... 1160.22 |================================ Ubuntu 12.04.1 LTS: Bare Metal Host . 1176.92 |================================ Ubuntu 12.04.1 LTS: KVM ............. 1171.30 |================================ Ubuntu 12.10: Bare Metal Host ....... 1176.92 |================================ Ubuntu 12.10: KVM ................... 1170.18 |================================ John The Ripper 1.7.9-jumbo-7 Test: Blowfish Real C/S > Higher Is Better CentOS 6.3: Bare Metal Host ......... 7054 |============================== CentOS 6.3: KVM ..................... 5750 |========================= Ubuntu 12.04.1 LTS: Bare Metal Host . 8037 |================================== Ubuntu 12.04.1 LTS: KVM ............. 7258 |=============================== Ubuntu 12.10: Bare Metal Host ....... 8160 |=================================== Ubuntu 12.10: KVM ................... 7260 |=============================== TTSIOD 3D Renderer 2.2w Phong Rendering With Soft-Shadow Mapping FPS > Higher Is Better CentOS 6.3: Bare Metal Host ......... 164.16 |============================= CentOS 6.3: KVM ..................... 48.14 |======== Ubuntu 12.04.1 LTS: Bare Metal Host . 187.77 |================================= Ubuntu 12.04.1 LTS: KVM ............. 63.89 |=========== Ubuntu 12.10: Bare Metal Host ....... 171.05 |============================== Ubuntu 12.10: KVM ................... 64.53 |=========== VP8 libvpx Encoding 1.1.0 vpxenc Frames Per Second > Higher Is Better Ubuntu 12.04.1 LTS: Bare Metal Host . 28.77 |================================== Ubuntu 12.04.1 LTS: KVM ............. 23.75 |============================ Ubuntu 12.10: Bare Metal Host ....... 28.85 |================================== Ubuntu 12.10: KVM ................... 23.63 |============================ x264 2012-10-03 H.264 Video Encoding Frames Per Second > Higher Is Better Ubuntu 12.04.1 LTS: Bare Metal Host . 210.52 |================================= Ubuntu 12.04.1 LTS: KVM ............. 164.66 |========================== Ubuntu 12.10: Bare Metal Host ....... 211.31 |================================= Ubuntu 12.10: KVM ................... 165.36 |========================== GraphicsMagick 1.3.16 Operation: Blur Iterations Per Minute > Higher Is Better CentOS 6.3: Bare Metal Host ......... 138 |=================================== CentOS 6.3: KVM ..................... 128 |================================= Ubuntu 12.04.1 LTS: Bare Metal Host . 141 |==================================== Ubuntu 12.04.1 LTS: KVM ............. 133 |================================== Ubuntu 12.10: Bare Metal Host ....... 138 |=================================== Ubuntu 12.10: KVM ................... 131 |================================= GraphicsMagick 1.3.16 Operation: Sharpen Iterations Per Minute > Higher Is Better CentOS 6.3: Bare Metal Host ......... 103 |=================================== CentOS 6.3: KVM ..................... 97 |================================= Ubuntu 12.04.1 LTS: Bare Metal Host . 107 |==================================== Ubuntu 12.04.1 LTS: KVM ............. 104 |=================================== Ubuntu 12.10: Bare Metal Host ....... 105 |=================================== Ubuntu 12.10: KVM ................... 103 |=================================== GraphicsMagick 1.3.16 Operation: Resizing Iterations Per Minute > Higher Is Better CentOS 6.3: Bare Metal Host ......... 164 |================================= CentOS 6.3: KVM ..................... 122 |========================= Ubuntu 12.04.1 LTS: Bare Metal Host . 178 |==================================== Ubuntu 12.04.1 LTS: KVM ............. 168 |================================== Ubuntu 12.10: Bare Metal Host ....... 170 |================================== Ubuntu 12.10: KVM ................... 165 |================================= GraphicsMagick 1.3.16 Operation: HWB Color Space Iterations Per Minute > Higher Is Better CentOS 6.3: Bare Metal Host ......... 183 |================================= CentOS 6.3: KVM ..................... 175 |================================ Ubuntu 12.04.1 LTS: Bare Metal Host . 198 |==================================== Ubuntu 12.04.1 LTS: KVM ............. 191 |=================================== Ubuntu 12.10: Bare Metal Host ....... 192 |=================================== Ubuntu 12.10: KVM ................... 186 |================================== GraphicsMagick 1.3.16 Operation: Local Adaptive Thresholding Iterations Per Minute > Higher Is Better CentOS 6.3: Bare Metal Host ......... 134 |=================================== CentOS 6.3: KVM ..................... 130 |================================== Ubuntu 12.04.1 LTS: Bare Metal Host . 137 |=================================== Ubuntu 12.04.1 LTS: KVM ............. 133 |================================== Ubuntu 12.10: Bare Metal Host ....... 139 |==================================== Ubuntu 12.10: KVM ................... 133 |================================== Timed Linux Kernel Compilation 3.1 Time To Compile Seconds < Lower Is Better CentOS 6.3: Bare Metal Host ......... 57.00 |=========================== CentOS 6.3: KVM ..................... 69.01 |================================= Ubuntu 12.04.1 LTS: Bare Metal Host . 57.20 |=========================== Ubuntu 12.04.1 LTS: KVM ............. 65.05 |=============================== Ubuntu 12.10: Bare Metal Host ....... 61.08 |============================= Ubuntu 12.10: KVM ................... 71.25 |================================== Timed PHP Compilation 5.2.9 Time To Compile Seconds < Lower Is Better CentOS 6.3: Bare Metal Host ......... 21.55 |============================ CentOS 6.3: KVM ..................... 26.04 |================================== Ubuntu 12.04.1 LTS: Bare Metal Host . 20.92 |=========================== Ubuntu 12.04.1 LTS: KVM ............. 24.52 |================================ Ubuntu 12.10: Bare Metal Host ....... 22.22 |============================= Ubuntu 12.10: KVM ................... 25.80 |================================== C-Ray 1.1 Total Time Seconds < Lower Is Better CentOS 6.3: Bare Metal Host ......... 32.46 |================================= CentOS 6.3: KVM ..................... 33.17 |================================== Ubuntu 12.04.1 LTS: Bare Metal Host . 30.71 |=============================== Ubuntu 12.04.1 LTS: KVM ............. 32.45 |================================= Ubuntu 12.10: Bare Metal Host ....... 22.84 |======================= Ubuntu 12.10: KVM ................... 23.88 |======================== Parallel BZIP2 Compression 1.1.6 256MB File Compression Seconds < Lower Is Better CentOS 6.3: Bare Metal Host ......... 5.76 |================================ CentOS 6.3: KVM ..................... 6.09 |================================== Ubuntu 12.04.1 LTS: Bare Metal Host . 6.14 |================================== Ubuntu 12.04.1 LTS: KVM ............. 5.93 |================================= Ubuntu 12.10: Bare Metal Host ....... 5.67 |=============================== Ubuntu 12.10: KVM ................... 6.35 |=================================== Smallpt 1.0 Global Illumination Renderer; 100 Samples Seconds < Lower Is Better CentOS 6.3: Bare Metal Host ......... 60 |================================== CentOS 6.3: KVM ..................... 62 |=================================== Ubuntu 12.04.1 LTS: Bare Metal Host . 60 |================================== Ubuntu 12.04.1 LTS: KVM ............. 60 |================================== Ubuntu 12.10: Bare Metal Host ....... 64 |==================================== Ubuntu 12.10: KVM ................... 65 |===================================== LAME MP3 Encoding 3.99.3 WAV To MP3 Seconds < Lower Is Better CentOS 6.3: Bare Metal Host ......... 13.62 |================================= CentOS 6.3: KVM ..................... 13.85 |================================== Ubuntu 12.04.1 LTS: Bare Metal Host . 13.58 |================================= Ubuntu 12.04.1 LTS: KVM ............. 13.66 |================================== Ubuntu 12.10: Bare Metal Host ....... 13.53 |================================= Ubuntu 12.10: KVM ................... 13.64 |================================= Opus Codec Encoding 1.0.1 WAV, Opus Encode, Opus Decode Seconds < Lower Is Better Ubuntu 12.10: Bare Metal Host . 9.43 |===================================== Ubuntu 12.10: KVM ............. 10.15 |======================================== FFmpeg 1.0 H.264 HD To NTSC DV Seconds < Lower Is Better Ubuntu 12.04.1 LTS: Bare Metal Host . 18.27 |============================= Ubuntu 12.04.1 LTS: KVM ............. 21.18 |================================== Ubuntu 12.10: Bare Metal Host ....... 18.35 |============================= Ubuntu 12.10: KVM ................... 20.96 |================================== Minion 0.12 Benchmark: Bibd Seconds < Lower Is Better CentOS 6.3: Bare Metal Host ......... 117.89 |============================ CentOS 6.3: KVM ..................... 119.92 |============================ Ubuntu 12.04.1 LTS: Bare Metal Host . 116.37 |============================ Ubuntu 12.04.1 LTS: KVM ............. 125.41 |============================== Ubuntu 12.10: Bare Metal Host ....... 118.42 |============================ Ubuntu 12.10: KVM ................... 139.40 |================================= Minion 0.12 Benchmark: Graceful Seconds < Lower Is Better CentOS 6.3: Bare Metal Host ......... 72.69 |================================= CentOS 6.3: KVM ..................... 74.67 |================================= Ubuntu 12.04.1 LTS: Bare Metal Host . 69.70 |=============================== Ubuntu 12.04.1 LTS: KVM ............. 73.31 |================================= Ubuntu 12.10: Bare Metal Host ....... 73.15 |================================= Ubuntu 12.10: KVM ................... 75.79 |================================== Minion 0.12 Benchmark: Solitaire Seconds < Lower Is Better CentOS 6.3: Bare Metal Host ......... 110.43 |============================ CentOS 6.3: KVM ..................... 116.57 |============================= Ubuntu 12.04.1 LTS: Bare Metal Host . 112.63 |============================ Ubuntu 12.04.1 LTS: KVM ............. 122.40 |=============================== Ubuntu 12.10: Bare Metal Host ....... 115.29 |============================= Ubuntu 12.10: KVM ................... 131.06 |================================= Minion 0.12 Benchmark: Quasigroup Seconds < Lower Is Better CentOS 6.3: Bare Metal Host ......... 155.97 |================================ CentOS 6.3: KVM ..................... 160.79 |================================= Ubuntu 12.04.1 LTS: Bare Metal Host . 156.37 |================================ Ubuntu 12.04.1 LTS: KVM ............. 156.65 |================================ Ubuntu 12.10: Bare Metal Host ....... 156.04 |================================ Ubuntu 12.10: KVM ................... 156.03 |================================ Open FMM Nero2D 2.0.2 Total Time Seconds < Lower Is Better CentOS 6.3: Bare Metal Host ......... 461.21 |================================= CentOS 6.3: KVM ..................... 466.43 |================================= Ubuntu 12.04.1 LTS: Bare Metal Host . 446.77 |================================ Ubuntu 12.04.1 LTS: KVM ............. 450.00 |================================ Ubuntu 12.10: Bare Metal Host ....... 439.23 |=============================== Ubuntu 12.10: KVM ................... 448.96 |================================ POV-Ray 3.6.1 Total Time Seconds < Lower Is Better CentOS 6.3: Bare Metal Host ......... 666 |=================================== CentOS 6.3: KVM ..................... 678 |==================================== Ubuntu 12.04.1 LTS: Bare Metal Host . 661 |=================================== Ubuntu 12.04.1 LTS: KVM ............. 664 |=================================== Ubuntu 12.10: Bare Metal Host ....... 649 |================================== Ubuntu 12.10: KVM ................... 658 |=================================== OpenSSL 1.0.1c RSA 4096-bit Performance Signs Per Second > Higher Is Better CentOS 6.3: Bare Metal Host ......... 121.27 |================================= CentOS 6.3: KVM ..................... 119.70 |================================= Ubuntu 12.04.1 LTS: Bare Metal Host . 121.53 |================================= Ubuntu 12.04.1 LTS: KVM ............. 121.00 |================================= Ubuntu 12.10: Bare Metal Host ....... 121.20 |================================= Ubuntu 12.10: KVM ................... 120.57 |================================= PostgreSQL pgbench 8.4.11 TPC-B Transactions Per Second TPS > Higher Is Better CentOS 6.3: KVM ..................... 271.67 |====================== Ubuntu 12.04.1 LTS: Bare Metal Host . 385.90 |=============================== Ubuntu 12.04.1 LTS: KVM ............. 238.90 |=================== Ubuntu 12.10: Bare Metal Host ....... 407.19 |================================= Ubuntu 12.10: KVM ................... 341.02 |============================ Apache Benchmark 2.4.3 Static Web Page Serving Requests Per Second > Higher Is Better Ubuntu 12.04.1 LTS: Bare Metal Host . 18421.02 |=============================== Ubuntu 12.04.1 LTS: KVM ............. 12629.58 |===================== Ubuntu 12.10: Bare Metal Host ....... 14080.67 |======================== Ubuntu 12.10: KVM ................... 13227.70 |======================