Ubuntu 15.10 Host KVM testing on Ubuntu 15.10 via the Phoronix Test Suite. Bare Metal Host: Processor: Intel Xeon E5-2687W v3 @ 3.50GHz (20 Cores), Motherboard: MSI X99S SLI PLUS (MS-7885) v1.0, Chipset: Intel Xeon E7 v3/Xeon, Memory: 16384MB, Disk: 80GB INTEL SSDSCKGW08, Graphics: AMD FirePro V7900 2048MB, Audio: Realtek ALC892, Monitor: ASUS PB278, Network: Intel Connection OS: Ubuntu 15.10, Kernel: 4.2.0-16-generic (x86_64), Desktop: Unity, Display Server: X Server 1.17.2, Display Driver: radeon 7.5.99, OpenGL: 3.3 Mesa 11.0.2 Gallium 0.4, Compiler: GCC 5.2.1 20151010, File-System: ext4, Screen Resolution: 2560x1440 KVM Guest: Processor: 20 x Intel Core (Haswell no TSX) @ 3.10GHz (20 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996), Chipset: Intel 440FX- 82441FX PMC, Memory: 8192MB, Disk: 30GB, Graphics: LLVMpipe, Audio: QEMU ID 22, Network: Red Hat Virtio device OS: Ubuntu 15.10, Kernel: 4.2.0-16-generic (x86_64), Desktop: Unity, Display Server: X Server 1.17.2, Display Driver: modesetting 1.17.2, OpenGL: 3.0 Mesa 11.0.2 Gallium 0.4, Compiler: GCC 5.2.1 20151010, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM SQLite 3.8.10.2 Test Target: Default Test Directory Seconds < Lower Is Better Bare Metal Host . 374.67 |==================== KVM Guest ....... 999.28 |===================================================== Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better Bare Metal Host . 22.18 |================================== KVM Guest ....... 35.43 |====================================================== Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better Bare Metal Host . 90.86 |====================================================== KVM Guest ....... 20.96 |============ Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better Bare Metal Host . 35.50 |====================================================== KVM Guest ....... 35.07 |===================================================== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better Bare Metal Host . 92.88 |====================================================== KVM Guest ....... 22.45 |============= Dbench 4.0 Client Count: 6 MB/s > Higher Is Better Bare Metal Host . 56.74 |====================================================== KVM Guest ....... 20.43 |=================== Compile Bench 0.6 Test: Compile MB/s > Higher Is Better Bare Metal Host . 883.91 |=================================================== KVM Guest ....... 911.23 |===================================================== Compile Bench 0.6 Test: Initial Create MB/s > Higher Is Better Bare Metal Host . 302.61 |===================================================== KVM Guest ....... 237.94 |========================================== Compile Bench 0.6 Test: Read Compiled Tree MB/s > Higher Is Better Bare Metal Host . 2206.42 |==================================================== KVM Guest ....... 871.69 |===================== Parboil 2.5 Test: OpenMP CUTCP Seconds < Lower Is Better Bare Metal Host . 7.09 |====================================================== KVM Guest ....... 7.18 |======================================================= Parboil 2.5 Test: OpenMP MRI Gridding Seconds < Lower Is Better Bare Metal Host . 97.11 |====================================================== KVM Guest ....... 96.83 |====================================================== Rodinia 2.4 Test: OpenMP LavaMD Seconds < Lower Is Better Bare Metal Host . 97.23 |===================================================== KVM Guest ....... 98.60 |====================================================== Rodinia 2.4 Test: OpenMP Streamcluster Seconds < Lower Is Better Bare Metal Host . 20.56 |============================================ KVM Guest ....... 25.31 |====================================================== Timed HMMer Search 2.3.2 Pfam Database Search Seconds < Lower Is Better Bare Metal Host . 15.57 |===================================================== KVM Guest ....... 15.98 |====================================================== Timed MAFFT Alignment 6.864 Multiple Sequence Alignment Seconds < Lower Is Better Bare Metal Host . 4.34 |============================================= KVM Guest ....... 5.28 |======================================================= x264 2014-08-30 H.264 Video Encoding Frames Per Second > Higher Is Better Bare Metal Host . 328.26 |===================================================== KVM Guest ....... 250.74 |======================================== GraphicsMagick 1.3.19 Operation: Resizing Iterations Per Minute > Higher Is Better Bare Metal Host . 178 |======================================================== KVM Guest ....... 149 |=============================================== Himeno Benchmark 3.0 Poisson Pressure Solver MFLOPS > Higher Is Better Bare Metal Host . 1879.53 |==================================================== KVM Guest ....... 1852.47 |=================================================== Timed Linux Kernel Compilation 3.18-rc6 Time To Compile Seconds < Lower Is Better Bare Metal Host . 55.83 |=================================================== KVM Guest ....... 59.49 |====================================================== C-Ray 1.1 Total Time Seconds < Lower Is Better Bare Metal Host . 10.76 |====================================================== KVM Guest ....... 10.86 |====================================================== FLAC Audio Encoding 1.3.1 WAV To FLAC Seconds < Lower Is Better Bare Metal Host . 7.17 |======================================================= KVM Guest ....... 7.07 |====================================================== LAME MP3 Encoding 3.99.3 WAV To MP3 Seconds < Lower Is Better Bare Metal Host . 12.87 |====================================================== KVM Guest ....... 12.85 |====================================================== FFmpeg 2.6.2 H.264 HD To NTSC DV Seconds < Lower Is Better Bare Metal Host . 24.58 |================================================= KVM Guest ....... 26.83 |====================================================== PostgreSQL pgbench 9.4.3 Scaling: On-Disk - Test: Normal Load - Mode: Read Write TPS > Higher Is Better Bare Metal Host . 2015.07 |==================================================== KVM Guest ....... 1127.06 |============================= Redis 3.0.1 Test: LPOP Requests Per Second > Higher Is Better Bare Metal Host . 641140.00 |======================== KVM Guest ....... 1328080.48 |================================================= Redis 3.0.1 Test: SADD Requests Per Second > Higher Is Better Bare Metal Host . 600962.81 |========================== KVM Guest ....... 1132218.92 |================================================= Redis 3.0.1 Test: LPUSH Requests Per Second > Higher Is Better Bare Metal Host . 575171.54 |========================= KVM Guest ....... 1110582.42 |================================================= Redis 3.0.1 Test: GET Requests Per Second > Higher Is Better Bare Metal Host . 638573.96 |======================= KVM Guest ....... 1348172.37 |================================================= Redis 3.0.1 Test: SET Requests Per Second > Higher Is Better Bare Metal Host . 573197.94 |=========================== KVM Guest ....... 1055445.71 |================================================= Apache Benchmark 2.4.7 Static Web Page Serving Requests Per Second > Higher Is Better Bare Metal Host . 16866.69 |========================= KVM Guest ....... 34559.58 |===================================================