VM Comparison Virtualization Comparison Baremetal (ondemand): Processor: 2 x Intel Xeon E5440 @ 2.83GHz (8 Cores), Motherboard: Dell 0TT740, Chipset: Intel 5000X MCH, Memory: 16384MB, Disk: 1000GB PERC 6/i, Graphics: AMD ATI ES1000 128MB, Network: Broadcom NetXtreme II BCM5708 Gigabit OS: Ubuntu 12.04, Kernel: 3.2.0-37-generic (x86_64), Compiler: GCC 4.6, File-System: ext4, Screen Resolution: 1024x768 Baremetal (Performance): Processor: 2 x Intel Xeon E5440 @ 2.83GHz (8 Cores), Motherboard: Dell 0TT740, Chipset: Intel 5000X MCH, Memory: 16384MB, Disk: 1000GB PERC 6/i, Graphics: AMD ATI ES1000 128MB, Network: Broadcom NetXtreme II BCM5708 Gigabit OS: Ubuntu 12.04, Kernel: 3.2.0-37-generic (x86_64), Compiler: GCC 4.6, File-System: ext4, Screen Resolution: 1024x768 LXC (on Ubuntu 12.04 LTS): Processor: 2 x Intel Xeon E5440 @ 2.83GHz (8 Cores), Motherboard: Dell 0TT740, Memory: 16384MB, Disk: 1000GB PERC 6/i, Graphics: 128MB OS: Ubuntu 12.04, Kernel: 3.2.0-37-generic (x86_64), Compiler: GCC 4.6, File-System: ext4, Screen Resolution: 1024x768 KVM (on Ubuntu 12.04 LTS): Processor: QEMU Virtual 1.0 @ 2.83GHz (8 Cores), Motherboard: Bochs, Chipset: Red Hat Virtio, Memory: 14336MB, Disk: 45GB, Graphics: Cirrus Logic GD 5446, Network: Red Hat Virtio device OS: Ubuntu 12.04, Kernel: 3.5.0-23-generic (x86_64), Compiler: GCC 4.6, File-System: ext4, Screen Resolution: 800x600, System Layer: QEMU 1.0 KVM 13.5GB (on Ubuntu 12.04 LTS): Processor: QEMU Virtual 1.0 @ 2.83GHz (8 Cores), Motherboard: Bochs, Chipset: Red Hat Virtio, Memory: 13312MB, Disk: 45GB, Graphics: Cirrus Logic GD 5446, Network: Red Hat Virtio device OS: Ubuntu 12.04, Kernel: 3.2.0-37-generic (x86_64), Compiler: GCC 4.6, File-System: ext4, Screen Resolution: 800x600, System Layer: QEMU 1.0 KVM cache=none (on Ubuntu 12.04 LTS): Processor: Intel Core 2 Duo T7700 @ 2.83GHz (8 Cores), Motherboard: Bochs, Chipset: Red Hat Virtio, Memory: 14336MB, Disk: 45GB, Graphics: Cirrus Logic GD 5446, Network: Red Hat Virtio device OS: Ubuntu 12.04, Kernel: 3.2.0-37-generic (x86_64), Compiler: GCC 4.6, File-System: ext4, Screen Resolution: 800x600 Xen PV (on Ubuntu 12.04 LTS): Processor: Intel Xeon E5440 @ 2.83GHz (8 Cores), Memory: 14336MB, Disk: 60GB OS: Ubuntu 12.04, Kernel: 3.2.0-37-generic (x86_64), Compiler: GCC 4.6, File-System: ext4, System Layer: Xen 4.1.2 Hypervisor Flexible IO Tester 1.57 Test: Intel IOMeter File Server Access Pattern Seconds (Run Time) < Lower Is Better Baremetal (ondemand) ................. 2571.17 |============================== Baremetal (Performance) .............. 2592.09 |=============================== LXC (on Ubuntu 12.04 LTS) ............ 2567.48 |============================== KVM (on Ubuntu 12.04 LTS) ............ 698.74 |======== KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 648.24 |======== KVM cache=none (on Ubuntu 12.04 LTS) . 2540.83 |============================== Xen PV (on Ubuntu 12.04 LTS) ......... 2618.00 |=============================== SQLite 3.7.3 Test Target: Default Test Directory Seconds < Lower Is Better Baremetal (ondemand) ................. 10.65 |= Baremetal (Performance) .............. 11.52 |= LXC (on Ubuntu 12.04 LTS) ............ 600.43 |================================ KVM (on Ubuntu 12.04 LTS) ............ 24.80 |= KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 24.40 |= KVM cache=none (on Ubuntu 12.04 LTS) . 32.58 |== Xen PV (on Ubuntu 12.04 LTS) ......... 15.70 |= FS-Mark 3.3 Test: 1000 Files, 1MB Size Files/s > Higher Is Better Baremetal (ondemand) ................. 134.38 |================================ Baremetal (Performance) .............. 135.63 |================================ LXC (on Ubuntu 12.04 LTS) ............ 62.43 |=============== KVM (on Ubuntu 12.04 LTS) ............ 128.63 |============================== KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 127.37 |============================== KVM cache=none (on Ubuntu 12.04 LTS) . 124.75 |============================= Xen PV (on Ubuntu 12.04 LTS) ......... 121.13 |============================= FS-Mark 3.3 Test: 1000 Files, 1MB Size, No Sync/FSync Files/s > Higher Is Better Baremetal (ondemand) ................. 945.67 |=============================== Baremetal (Performance) .............. 928.23 |=============================== LXC (on Ubuntu 12.04 LTS) ............ 930.87 |=============================== KVM (on Ubuntu 12.04 LTS) ............ 962.00 |================================ KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 954.37 |================================ KVM cache=none (on Ubuntu 12.04 LTS) . 953.93 |================================ Xen PV (on Ubuntu 12.04 LTS) ......... 744.10 |========================= BlogBench 1.0 Test: Read Final Score > Higher Is Better Baremetal (ondemand) ................. 344940 |================================ Baremetal (Performance) .............. 345025 |================================ LXC (on Ubuntu 12.04 LTS) ............ 332072 |=============================== KVM (on Ubuntu 12.04 LTS) ............ 322967 |============================== KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 317652 |============================= KVM cache=none (on Ubuntu 12.04 LTS) . 321802 |============================== Xen PV (on Ubuntu 12.04 LTS) ......... 326710 |============================== hdparm Timed Disk Reads Disk To Read: /dev/sda MB/s > Higher Is Better Baremetal (ondemand) ................. 128.83 |=========== Baremetal (Performance) .............. 128.85 |=========== LXC (on Ubuntu 12.04 LTS) ............ 133.17 |=========== KVM (on Ubuntu 12.04 LTS) ............ 378.66 |================================ KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 354.91 |============================== KVM cache=none (on Ubuntu 12.04 LTS) . 116.53 |========== Xen PV (on Ubuntu 12.04 LTS) ......... 121.76 |========== IOzone 3.405 Record Size: 1MB - File Size: 32GB - Disk Test: Read Performance MB/s > Higher Is Better Baremetal (ondemand) ................. 139.47 |================================ Baremetal (Performance) .............. 137.92 |================================ LXC (on Ubuntu 12.04 LTS) ............ 137.26 |=============================== KVM (on Ubuntu 12.04 LTS) ............ 92.43 |===================== KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 114.11 |========================== KVM cache=none (on Ubuntu 12.04 LTS) . 132.24 |============================== Xen PV (on Ubuntu 12.04 LTS) ......... 120.79 |============================ IOzone 3.405 Record Size: 1MB - File Size: 8GB - Disk Test: Write Performance MB/s > Higher Is Better Baremetal (ondemand) ................. 128.03 |================================ Baremetal (Performance) .............. 128.30 |================================ LXC (on Ubuntu 12.04 LTS) ............ 126.75 |================================ KVM (on Ubuntu 12.04 LTS) ............ 111.60 |============================ KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 111.14 |============================ KVM cache=none (on Ubuntu 12.04 LTS) . 121.94 |============================== Xen PV (on Ubuntu 12.04 LTS) ......... 117.75 |============================= IOzone 3.405 Record Size: 64kB - File Size: 32GB - Disk Test: Read Performance MB/s > Higher Is Better Baremetal (ondemand) ................. 139.23 |================================ Baremetal (Performance) .............. 138.92 |================================ LXC (on Ubuntu 12.04 LTS) ............ 137.37 |================================ KVM (on Ubuntu 12.04 LTS) ............ 65.67 |=============== KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 62.02 |============== KVM cache=none (on Ubuntu 12.04 LTS) . 133.86 |=============================== Xen PV (on Ubuntu 12.04 LTS) ......... 120.86 |============================ IOzone 3.405 Record Size: 64kB - File Size: 8GB - Disk Test: Write Performance MB/s > Higher Is Better Baremetal (ondemand) ................. 128.53 |================================ Baremetal (Performance) .............. 128.70 |================================ LXC (on Ubuntu 12.04 LTS) ............ 124.87 |=============================== KVM (on Ubuntu 12.04 LTS) ............ 120.00 |============================== KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 87.96 |====================== KVM cache=none (on Ubuntu 12.04 LTS) . 122.25 |============================== Xen PV (on Ubuntu 12.04 LTS) ......... 118.08 |============================= Threaded I/O Tester 0.3.3 Test: Sequential Read - Size Per Thread: 1.024 MB - Thread Count: 32 - 64 k Block Size - Total 32 GB MB/s > Higher Is Better Baremetal (ondemand) ................. 91.70 |================================= Baremetal (Performance) .............. 91.89 |================================= LXC (on Ubuntu 12.04 LTS) ............ 90.97 |================================= KVM (on Ubuntu 12.04 LTS) ............ 64.02 |======================= KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 61.01 |====================== KVM cache=none (on Ubuntu 12.04 LTS) . 85.58 |=============================== Xen PV (on Ubuntu 12.04 LTS) ......... 75.46 |=========================== Threaded I/O Tester 0.3.3 Test: Random Read - Size Per Thread: 128 MB - Thread Count: 32 - 4 k Block Size - Total 4 GB MB/s > Higher Is Better Baremetal (ondemand) ................. 4248.86 |=============================== Baremetal (Performance) .............. 4222.69 |=============================== LXC (on Ubuntu 12.04 LTS) ............ 3560.32 |========================== KVM (on Ubuntu 12.04 LTS) ............ 3628.25 |========================== KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 2804.77 |==================== KVM cache=none (on Ubuntu 12.04 LTS) . 3436.15 |========================= Xen PV (on Ubuntu 12.04 LTS) ......... 1628.56 |============ Threaded I/O Tester 0.3.3 Test: Random Write - Size Per Thread: 2 MB - Thread Count: 32 - 4 k Block Size - Total 64 MB MB/s > Higher Is Better Baremetal (ondemand) ................. 853.29 |============================== Baremetal (Performance) .............. 827.64 |============================= LXC (on Ubuntu 12.04 LTS) ............ 915.80 |================================ KVM (on Ubuntu 12.04 LTS) ............ 138.29 |===== KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 357.20 |============ KVM cache=none (on Ubuntu 12.04 LTS) . 498.15 |================= Xen PV (on Ubuntu 12.04 LTS) ......... 647.35 |======================= Threaded I/O Tester 0.3.3 Test: Random Write - Size Per Thread: 64 MB - Thread Count: 16 - 4 k Block Size - Total 1 GB MB/s > Higher Is Better Baremetal (ondemand) ................. 7.27 |================================== Baremetal (Performance) .............. 7.33 |================================== LXC (on Ubuntu 12.04 LTS) ............ 7.13 |================================= KVM (on Ubuntu 12.04 LTS) ............ 6.78 |=============================== KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 5.74 |=========================== KVM cache=none (on Ubuntu 12.04 LTS) . 7.00 |================================ Xen PV (on Ubuntu 12.04 LTS) ......... 6.96 |================================ Threaded I/O Tester 0.3.3 Test: Sequential Write - Size Per Thread: 128 MB - Thread Count: 32 - 4 k Block Size - Total 4 GB MB/s > Higher Is Better Baremetal (ondemand) ................. 126.83 |================================ Baremetal (Performance) .............. 125.90 |================================ LXC (on Ubuntu 12.04 LTS) ............ 124.11 |=============================== KVM (on Ubuntu 12.04 LTS) ............ 120.50 |============================== KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 115.03 |============================= KVM cache=none (on Ubuntu 12.04 LTS) . 121.12 |=============================== Xen PV (on Ubuntu 12.04 LTS) ......... 116.49 |============================= Compile Bench 0.6 Test: Compile MB/s > Higher Is Better Baremetal (ondemand) ................. 353.40 |================================ Baremetal (Performance) .............. 353.87 |================================ LXC (on Ubuntu 12.04 LTS) ............ 338.46 |=============================== KVM (on Ubuntu 12.04 LTS) ............ 133.26 |============ KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 61.26 |====== KVM cache=none (on Ubuntu 12.04 LTS) . 288.82 |========================== Xen PV (on Ubuntu 12.04 LTS) ......... 298.77 |=========================== PostMark 1.51 NetApp Disk Transaction Performance TPS > Higher Is Better Baremetal (ondemand) ................. 2395 |================================== Baremetal (Performance) .............. 2403 |================================== LXC (on Ubuntu 12.04 LTS) ............ 2245 |================================ KVM (on Ubuntu 12.04 LTS) ............ 1942 |=========================== KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 1918 |=========================== KVM cache=none (on Ubuntu 12.04 LTS) . 1984 |============================ Xen PV (on Ubuntu 12.04 LTS) ......... 1724 |======================== RAMspeed SMP 3.5.0 Type: Triad - Benchmark: Integer MB/s > Higher Is Better Baremetal (ondemand) ................. 5157.28 |=============================== Baremetal (Performance) .............. 5156.48 |=============================== LXC (on Ubuntu 12.04 LTS) ............ 5149.90 |=============================== KVM (on Ubuntu 12.04 LTS) ............ 5033.52 |============================== KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 4712.71 |============================ KVM cache=none (on Ubuntu 12.04 LTS) . 4566.42 |=========================== Xen PV (on Ubuntu 12.04 LTS) ......... 3594.22 |====================== RAMspeed SMP 3.5.0 Type: Triad - Benchmark: Floating Point MB/s > Higher Is Better Baremetal (ondemand) ................. 5317.75 |=============================== Baremetal (Performance) .............. 5321.30 |=============================== LXC (on Ubuntu 12.04 LTS) ............ 5312.11 |=============================== KVM (on Ubuntu 12.04 LTS) ............ 5185.25 |============================== KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 3683.14 |===================== KVM cache=none (on Ubuntu 12.04 LTS) . 5185.52 |============================== Xen PV (on Ubuntu 12.04 LTS) ......... 3811.91 |====================== FFTE 5.0 Test: N=64, 1D Complex FFT Routine MFLOPS > Higher Is Better Baremetal (ondemand) ................. 3614.78 |=============================== Baremetal (Performance) .............. 3603.48 |=============================== LXC (on Ubuntu 12.04 LTS) ............ 3576.88 |=============================== KVM (on Ubuntu 12.04 LTS) ............ 3593.49 |=============================== KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 3573.87 |=============================== KVM cache=none (on Ubuntu 12.04 LTS) . 3568.13 |=============================== Xen PV (on Ubuntu 12.04 LTS) ......... 3573.96 |=============================== Timed MrBayes Analysis 3.1.2 Primate Phylogeny Analysis (Bayes) Seconds < Lower Is Better Baremetal (ondemand) ................. 23.67 |==================== Baremetal (Performance) .............. 19.83 |================= LXC (on Ubuntu 12.04 LTS) ............ 24.86 |===================== KVM (on Ubuntu 12.04 LTS) ............ 35.55 |============================== KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 38.92 |================================= KVM cache=none (on Ubuntu 12.04 LTS) . 38.47 |================================= Xen PV (on Ubuntu 12.04 LTS) ......... 30.21 |========================== CacheBench Test: Read / Modify / Write MB/s > Higher Is Better Baremetal (ondemand) ................. 14219.27 |============================== Baremetal (Performance) .............. 14225.03 |============================== LXC (on Ubuntu 12.04 LTS) ............ 14218.59 |============================== KVM (on Ubuntu 12.04 LTS) ............ 14147.34 |============================== KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 14150.52 |============================== KVM cache=none (on Ubuntu 12.04 LTS) . 14159.84 |============================== Xen PV (on Ubuntu 12.04 LTS) ......... 14098.96 |============================== John The Ripper 1.7.9-jumbo-7 Password Hasing: Blowfish Real C/S > Higher Is Better Baremetal (ondemand) ................. 6219 |================================== Baremetal (Performance) .............. 6240 |================================== LXC (on Ubuntu 12.04 LTS) ............ 6240 |================================== KVM (on Ubuntu 12.04 LTS) ............ 6144 |================================= KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 6155 |================================== KVM cache=none (on Ubuntu 12.04 LTS) . 5926 |================================ Xen PV (on Ubuntu 12.04 LTS) ......... 6064 |================================= Timed Linux Kernel Compilation 3.1 Time To Compile Seconds < Lower Is Better Baremetal (ondemand) ................. 86.43 |=============== Baremetal (Performance) .............. 85.25 |=============== LXC (on Ubuntu 12.04 LTS) ............ 87.28 |=============== KVM (on Ubuntu 12.04 LTS) ............ 185.79 |================================ KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 180.60 |=============================== KVM cache=none (on Ubuntu 12.04 LTS) . 182.91 |================================ Xen PV (on Ubuntu 12.04 LTS) ......... 103.98 |================== C-Ray 1.1 Raytracing, 1600x1200, 16 Threads, 8xAA Seconds < Lower Is Better Baremetal (ondemand) ................. 37.33 |================================ Baremetal (Performance) .............. 37.26 |================================ LXC (on Ubuntu 12.04 LTS) ............ 37.31 |================================ KVM (on Ubuntu 12.04 LTS) ............ 37.58 |================================ KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 37.56 |================================ KVM cache=none (on Ubuntu 12.04 LTS) . 37.59 |================================ Xen PV (on Ubuntu 12.04 LTS) ......... 38.28 |================================= Parallel BZIP2 Compression 1.1.6 256MB File Compression Seconds < Lower Is Better Baremetal (ondemand) ................. 6.69 |============================== Baremetal (Performance) .............. 6.71 |============================== LXC (on Ubuntu 12.04 LTS) ............ 6.71 |============================== KVM (on Ubuntu 12.04 LTS) ............ 7.68 |================================== KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 7.61 |================================== KVM cache=none (on Ubuntu 12.04 LTS) . 7.34 |================================ Xen PV (on Ubuntu 12.04 LTS) ......... 7.19 |================================ Gzip Compression 2GB File Compression Seconds < Lower Is Better Baremetal (ondemand) ................. 15.90 |============================= Baremetal (Performance) .............. 15.77 |============================= LXC (on Ubuntu 12.04 LTS) ............ 16.07 |============================= KVM (on Ubuntu 12.04 LTS) ............ 17.90 |================================ KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 17.70 |================================ KVM cache=none (on Ubuntu 12.04 LTS) . 17.64 |================================ Xen PV (on Ubuntu 12.04 LTS) ......... 18.25 |================================= FLAC Audio Encoding 1.2.1 WAV To FLAC Seconds < Lower Is Better Baremetal (ondemand) ................. 10.30 |================================= Baremetal (Performance) .............. 10.29 |================================= LXC (on Ubuntu 12.04 LTS) ............ 10.25 |================================= KVM (on Ubuntu 12.04 LTS) ............ 10.35 |================================= KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 10.36 |================================= KVM cache=none (on Ubuntu 12.04 LTS) . 10.36 |================================= Xen PV (on Ubuntu 12.04 LTS) ......... 10.36 |================================= LAME MP3 Encoding 3.99.3 WAV To MP3 Seconds < Lower Is Better Baremetal (ondemand) ................. 23.37 |================================ Baremetal (Performance) .............. 23.35 |================================ LXC (on Ubuntu 12.04 LTS) ............ 23.38 |================================ KVM (on Ubuntu 12.04 LTS) ............ 23.60 |================================ KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 23.58 |================================ KVM cache=none (on Ubuntu 12.04 LTS) . 23.59 |================================ Xen PV (on Ubuntu 12.04 LTS) ......... 23.99 |================================= GnuPG 1.4.10 1GB File Encryption Seconds < Lower Is Better Baremetal (ondemand) ................. 12.20 |================================ Baremetal (Performance) .............. 12.21 |================================ LXC (on Ubuntu 12.04 LTS) ............ 12.19 |================================ KVM (on Ubuntu 12.04 LTS) ............ 12.46 |================================= KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 12.47 |================================= KVM cache=none (on Ubuntu 12.04 LTS) . 12.30 |================================ Xen PV (on Ubuntu 12.04 LTS) ......... 12.56 |================================= Mencoder 1.1 AVI To LAVC Seconds < Lower Is Better Baremetal (ondemand) ................. 37.31 |================================= Baremetal (Performance) .............. 37.37 |================================= LXC (on Ubuntu 12.04 LTS) ............ 37.41 |================================= KVM (on Ubuntu 12.04 LTS) ............ 37.82 |================================= KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 37.77 |================================= KVM cache=none (on Ubuntu 12.04 LTS) . 37.85 |================================= Xen PV (on Ubuntu 12.04 LTS) ......... 37.83 |================================= PyBench 2008-08-14 Python Benchmark Suite Milliseconds < Lower Is Better Baremetal (ondemand) ................. 2956 |================================= Baremetal (Performance) .............. 2938 |================================= LXC (on Ubuntu 12.04 LTS) ............ 2960 |================================= KVM (on Ubuntu 12.04 LTS) ............ 3038 |================================== KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 3037 |================================== KVM cache=none (on Ubuntu 12.04 LTS) . 2976 |================================= Xen PV (on Ubuntu 12.04 LTS) ......... 2973 |================================= PHPBench 0.8.1 PHP Benchmark Suite Score > Higher Is Better Baremetal (ondemand) ................. 60426 |================================= Baremetal (Performance) .............. 60369 |================================= LXC (on Ubuntu 12.04 LTS) ............ 59460 |================================ KVM (on Ubuntu 12.04 LTS) ............ 58861 |================================ KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 57083 |=============================== KVM cache=none (on Ubuntu 12.04 LTS) . 59552 |================================= Xen PV (on Ubuntu 12.04 LTS) ......... 58729 |================================ Cyclictest 0.84 Kernel Latency: POSIX Timer, Interval 500 ms, 100000 Loops ms Average < Lower Is Better Baremetal (ondemand) ................. 7 |==== Baremetal (Performance) .............. 6 |=== KVM (on Ubuntu 12.04 LTS) ............ 61 |=============================== KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 60 |============================== KVM cache=none (on Ubuntu 12.04 LTS) . 60 |============================== Xen PV (on Ubuntu 12.04 LTS) ......... 71 |==================================== Cyclictest 0.84 Kernel Latency: POSIX Timer, Interval 10000 ms, 10000 Loops ms Average < Lower Is Better Baremetal (ondemand) ................. 10 |===== Baremetal (Performance) .............. 8 |==== KVM (on Ubuntu 12.04 LTS) ............ 58 |============================= KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 57 |============================ KVM cache=none (on Ubuntu 12.04 LTS) . 61 |============================== Xen PV (on Ubuntu 12.04 LTS) ......... 73 |==================================== Cyclictest 0.84 Kernel Latency: clock_nanosleep TIME_ABSTIME, Interval 500 ms, 100000 Loops ms Average < Lower Is Better Baremetal (ondemand) ................. 6 |=== Baremetal (Performance) .............. 5 |=== KVM (on Ubuntu 12.04 LTS) ............ 53 |============================ KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 53 |============================ KVM cache=none (on Ubuntu 12.04 LTS) . 53 |============================ Xen PV (on Ubuntu 12.04 LTS) ......... 68 |==================================== Cyclictest 0.84 Kernel Latency: clock_nanosleep TIME_ABSTIME, Interval 10000 ms, 10000 Loops ms Average < Lower Is Better Baremetal (ondemand) ................. 8 |==== Baremetal (Performance) .............. 7 |==== KVM (on Ubuntu 12.04 LTS) ............ 59 |============================== KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 55 |============================ KVM cache=none (on Ubuntu 12.04 LTS) . 59 |============================== Xen PV (on Ubuntu 12.04 LTS) ......... 71 |==================================== OpenSSL 1.0.1c RSA 4096-bit Performance Signs Per Second > Higher Is Better Baremetal (ondemand) ................. 61.70 |================================= Baremetal (Performance) .............. 61.50 |================================= LXC (on Ubuntu 12.04 LTS) ............ 61.70 |================================= KVM (on Ubuntu 12.04 LTS) ............ 61.13 |================================= KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 61.30 |================================= KVM cache=none (on Ubuntu 12.04 LTS) . 61.37 |================================= Xen PV (on Ubuntu 12.04 LTS) ......... 61.10 |================================= PostgreSQL pgbench 8.4.11 PostgreSQL TPC-B Transactions Per Second TPS > Higher Is Better Baremetal (ondemand) ................. 2541.71 |====================== Baremetal (Performance) .............. 2596.37 |====================== LXC (on Ubuntu 12.04 LTS) ............ 3634.92 |=============================== KVM (on Ubuntu 12.04 LTS) ............ 1359.17 |============ KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 1391.54 |============ KVM cache=none (on Ubuntu 12.04 LTS) . 1389.03 |============ Xen PV (on Ubuntu 12.04 LTS) ......... 1379.47 |============ NGINX Benchmark 1.0.11 Static Web Page Serving Requests Per Second > Higher Is Better Baremetal (ondemand) ................. 14187.48 |============================ Baremetal (Performance) .............. 14174.44 |============================ LXC (on Ubuntu 12.04 LTS) ............ 11181.34 |====================== KVM (on Ubuntu 12.04 LTS) ............ 15282.50 |============================== KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 14155.04 |============================ KVM cache=none (on Ubuntu 12.04 LTS) . 14508.97 |============================ Xen PV (on Ubuntu 12.04 LTS) ......... 10100.59 |==================== Apache Benchmark 2.4.3 Static Web Page Serving Requests Per Second > Higher Is Better Baremetal (ondemand) ................. 14486.26 |============================== Baremetal (Performance) .............. 12787.70 |========================== LXC (on Ubuntu 12.04 LTS) ............ 11201.48 |======================= KVM (on Ubuntu 12.04 LTS) ............ 11346.78 |======================= KVM 13.5GB (on Ubuntu 12.04 LTS) ..... 10707.66 |====================== KVM cache=none (on Ubuntu 12.04 LTS) . 10814.30 |====================== Xen PV (on Ubuntu 12.04 LTS) ......... 9219.40 |===================