Ubuntu Linux 12.10 Xen KVM Virtualization

A comparison of Xen and KVM virtualization against bare metal from an Intel Core i7 3960X Extreme Edition system running a development snapshot of Ubuntu 12.10 Quantal from 27 June 2012. Benchmarking for a future article on Phoronix.com.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 1206282-SU-XENKVMUBU15
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Bioinformatics 3 Tests
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Common Kernel Benchmarks 3 Tests
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Ubuntu Linux 12.10 Xen KVM VirtualizationProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilerFile-SystemScreen ResolutionSystem LayerXen HVM 4.1.2Bare MetalKVM VirtualizationIntel Core i7-3960X @ 3.30GHz (12 Cores)Xen HVM domU v4.1.2Intel 440FX- 82441FX PMC6144MB22GBLLVMpipeEnsoniq ES1370Ubuntu 12.103.5.0-2-generic (x86_64)Unity 2D 5.12.0X Server 1.11.3cirrus 1.4.02.1 Mesa 8.0.3 Gallium 0.4GCC 4.7ext41024x768Xen HVM domU 4.1.2Intel DX79SIIntel Xeon E5/Core8192MB64GB OCZ VERTEXAMD Radeon HD 4650 512MBRealtek ALC892DELL S2409WIntel 82579LM Gigabit ConnectionUnity 5.12.0radeon 6.14.41920x1080QEMU Virtual 1.1.0 @ 3.30GHz (12 Cores)BochsIntel 440FX- 82441FX PMC6144MB18GBLLVMpipeGeneric 1af4 ID 21Red Hat Virtio deviceUnity 2D 5.12.0cirrus 1.4.01024x768QEMU 1.1.0OpenBenchmarking.orgCompiler Details- --build=x86_64-linux-gnu --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-languages=c,c++,go,fortran,objc,obj-c++ --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-nls --enable-objc-gc --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-arch-32=i686 --with-tune=generic -v Disk Details- CFQ / data=ordered,errors=remount-ro,relatime,rwSystem Details- Xen HVM 4.1.2: Disk Scheduler: CFQ.- Bare Metal: Disk Scheduler: CFQ. Compiz was running on this system.- KVM Virtualization: Disk Scheduler: CFQ.Processor Details- Bare Metal: Scaling Governor: ondemand

Xen HVM 4.1.2Bare MetalKVM VirtualizationResult OverviewPhoronix Test Suite100%127%154%181%Timed MAFFT AlignmentDbenchThreaded I/O TesterPostgreSQL pgbenchTimed Linux Kernel CompilationVP8 libvpx Encodingx264GraphicsMagickSciMarkNAS Parallel Benchmarks7-Zip CompressionFFmpegJohn The RipperOpenSSLC-RayTimed HMMer SearchApache BenchmarkHimeno BenchmarkLAMMPS Molecular Dynamics SimulatorSmallpt

Ubuntu Linux 12.10 Xen KVM Virtualizationdbench: 1tiobench: Rand Write - 64MB - 8npb: EP.Bnpb: LU.Anpb: MG.Bnpb: SP.Alammps: Rhodopsin Proteinhmmer: Pfam Database Searchmafft: Multiple Sequence Alignmentscimark2: Compositescimark2: Monte Carloscimark2: Fast Fourier Transformscimark2: Sparse Matrix Multiplyscimark2: Dense LU Matrix Factorizationscimark2: Jacobi Successive Over-Relaxationjohn-the-ripper: Blowfishvpxenc: vpxencx264: H.264 Video Encodinggraphics-magick: Sharpengraphics-magick: Resizinggraphics-magick: Local Adaptive Thresholdinghimeno: Poisson Pressure Solvercompress-7zip: Compress Speed Testbuild-linux-kernel: Time To Compilec-ray: Total Timesmallpt: Global Illumination Renderer; 100 Samplesffmpeg: AVI To NTSC VCDopenssl: RSA 4096-bit Performancepgbench: TPC-B Transactions Per Secondapache: Static Web Page ServingXen HVM 4.1.2Bare MetalKVM Virtualization17.953.33378.8010603.072520.883472.4840.2215.8912.871211.82405.58310.111930.462260.281152.69766428.78192.8095153911592.1524021103.1423.716410.7987.28176.9716499.0035.913.07401.8412804.562711.723689.3339.2515.546.171262.68416.59333.922005.392378.311179.18811627.43201.461061751021632.272501161.5322.746410.1092.00314.0516780.1626.181.75394.6911630.582471.403460.6939.9416.1012.041167.57414.58232.041843.002179.171169.08793323.05166.951041691001616.822281270.7123.816510.3291.53211.4716318.92OpenBenchmarking.org

Dbench

Dbench is a benchmark designed by the Samba project as a free alternative to netbench, but dbench contains only file-system calls for testing the disk performance. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMB/s, More Is BetterDbench 4.0Client Count: 1KVM VirtualizationBare MetalXen HVM 4.1.2816243240SE +/- 0.08, N = 3SE +/- 0.36, N = 3SE +/- 0.02, N = 326.1835.9117.951. (CC) gcc options: -lpopt
OpenBenchmarking.orgMB/s, More Is BetterDbench 4.0Client Count: 1KVM VirtualizationBare MetalXen HVM 4.1.2816243240Min: 26.03 / Avg: 26.18 / Max: 26.28Min: 35.24 / Avg: 35.91 / Max: 36.45Min: 17.93 / Avg: 17.95 / Max: 181. (CC) gcc options: -lpopt

Threaded I/O Tester

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Random Write - Size Per Thread: 64MB - Thread Count: 8KVM VirtualizationBare MetalXen HVM 4.1.20.74931.49862.24792.99723.7465SE +/- 0.01, N = 4SE +/- 0.05, N = 8SE +/- 0.04, N = 41.753.073.33
OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Random Write - Size Per Thread: 64MB - Thread Count: 8KVM VirtualizationBare MetalXen HVM 4.1.2246810Min: 1.73 / Avg: 1.75 / Max: 1.77Min: 2.84 / Avg: 3.07 / Max: 3.25Min: 3.23 / Avg: 3.33 / Max: 3.38

NAS Parallel Benchmarks

OpenBenchmarking.orgTotal Mop/s, More Is BetterNAS Parallel Benchmarks 3.3Test / Class: EP.BKVM VirtualizationBare MetalXen HVM 4.1.290180270360450SE +/- 0.34, N = 3SE +/- 0.27, N = 3SE +/- 5.68, N = 6394.69401.84378.801. (F9X) gfortran options: -fopenmp
OpenBenchmarking.orgTotal Mop/s, More Is BetterNAS Parallel Benchmarks 3.3Test / Class: EP.BKVM VirtualizationBare MetalXen HVM 4.1.270140210280350Min: 394.26 / Avg: 394.69 / Max: 395.35Min: 401.5 / Avg: 401.84 / Max: 402.38Min: 353.24 / Avg: 378.8 / Max: 390.391. (F9X) gfortran options: -fopenmp

OpenBenchmarking.orgTotal Mop/s, More Is BetterNAS Parallel Benchmarks 3.3Test / Class: LU.AKVM VirtualizationBare MetalXen HVM 4.1.23K6K9K12K15KSE +/- 232.55, N = 3SE +/- 17.50, N = 3SE +/- 225.13, N = 611630.5812804.5610603.071. (F9X) gfortran options: -fopenmp
OpenBenchmarking.orgTotal Mop/s, More Is BetterNAS Parallel Benchmarks 3.3Test / Class: LU.AKVM VirtualizationBare MetalXen HVM 4.1.22K4K6K8K10KMin: 11326.26 / Avg: 11630.58 / Max: 12087.34Min: 12769.93 / Avg: 12804.56 / Max: 12826.31Min: 9615.41 / Avg: 10603.07 / Max: 11192.151. (F9X) gfortran options: -fopenmp

OpenBenchmarking.orgTotal Mop/s, More Is BetterNAS Parallel Benchmarks 3.3Test / Class: MG.BKVM VirtualizationBare MetalXen HVM 4.1.26001200180024003000SE +/- 37.34, N = 3SE +/- 1.62, N = 3SE +/- 26.68, N = 32471.402711.722520.881. (F9X) gfortran options: -fopenmp
OpenBenchmarking.orgTotal Mop/s, More Is BetterNAS Parallel Benchmarks 3.3Test / Class: MG.BKVM VirtualizationBare MetalXen HVM 4.1.25001000150020002500Min: 2398.26 / Avg: 2471.4 / Max: 2520.99Min: 2709.25 / Avg: 2711.72 / Max: 2714.78Min: 2467.76 / Avg: 2520.88 / Max: 2551.881. (F9X) gfortran options: -fopenmp

OpenBenchmarking.orgTotal Mop/s, More Is BetterNAS Parallel Benchmarks 3.3Test / Class: SP.AKVM VirtualizationBare MetalXen HVM 4.1.28001600240032004000SE +/- 42.40, N = 3SE +/- 7.20, N = 3SE +/- 23.94, N = 33460.693689.333472.481. (F9X) gfortran options: -fopenmp
OpenBenchmarking.orgTotal Mop/s, More Is BetterNAS Parallel Benchmarks 3.3Test / Class: SP.AKVM VirtualizationBare MetalXen HVM 4.1.26001200180024003000Min: 3376.43 / Avg: 3460.69 / Max: 3511.12Min: 3680.94 / Avg: 3689.33 / Max: 3703.65Min: 3428.69 / Avg: 3472.48 / Max: 3511.161. (F9X) gfortran options: -fopenmp

LAMMPS Molecular Dynamics Simulator

OpenBenchmarking.orgLoop Time, Fewer Is BetterLAMMPS Molecular Dynamics Simulator 1.0Test: Rhodopsin ProteinKVM VirtualizationBare MetalXen HVM 4.1.2918273645SE +/- 0.02, N = 3SE +/- 0.05, N = 3SE +/- 0.24, N = 339.9439.2540.221. (CXX) g++ options: -lfftw -lmpich
OpenBenchmarking.orgLoop Time, Fewer Is BetterLAMMPS Molecular Dynamics Simulator 1.0Test: Rhodopsin ProteinKVM VirtualizationBare MetalXen HVM 4.1.2816243240Min: 39.91 / Avg: 39.94 / Max: 39.98Min: 39.15 / Avg: 39.25 / Max: 39.31Min: 39.89 / Avg: 40.22 / Max: 40.691. (CXX) g++ options: -lfftw -lmpich

Timed HMMer Search

This test searches through the Pfam database of profile hidden markov models. The search finds the domain structure of Drosophila Sevenless protein. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed HMMer Search 2.3.2Pfam Database SearchKVM VirtualizationBare MetalXen HVM 4.1.248121620SE +/- 0.08, N = 3SE +/- 0.05, N = 3SE +/- 0.07, N = 316.1015.5415.891. (CC) gcc options: -O2 -pthread -lhmmer -lsquid -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed HMMer Search 2.3.2Pfam Database SearchKVM VirtualizationBare MetalXen HVM 4.1.248121620Min: 16 / Avg: 16.1 / Max: 16.26Min: 15.46 / Avg: 15.54 / Max: 15.62Min: 15.82 / Avg: 15.89 / Max: 16.031. (CC) gcc options: -O2 -pthread -lhmmer -lsquid -lm

Timed MAFFT Alignment

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed MAFFT Alignment 6.864Multiple Sequence AlignmentKVM VirtualizationBare MetalXen HVM 4.1.23691215SE +/- 0.32, N = 6SE +/- 0.17, N = 6SE +/- 0.22, N = 412.046.1712.871. (CC) gcc options: -O3 -lm -lpthread
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed MAFFT Alignment 6.864Multiple Sequence AlignmentKVM VirtualizationBare MetalXen HVM 4.1.248121620Min: 11.23 / Avg: 12.04 / Max: 13.36Min: 5.89 / Avg: 6.17 / Max: 7.01Min: 12.34 / Avg: 12.87 / Max: 13.361. (CC) gcc options: -O3 -lm -lpthread

SciMark

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: CompositeKVM VirtualizationBare MetalXen HVM 4.1.230060090012001500SE +/- 2.83, N = 4SE +/- 0.68, N = 4SE +/- 4.94, N = 41167.571262.681211.82
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: CompositeKVM VirtualizationBare MetalXen HVM 4.1.22004006008001000Min: 1159.99 / Avg: 1167.57 / Max: 1172.06Min: 1261.11 / Avg: 1262.68 / Max: 1263.94Min: 1197.69 / Avg: 1211.82 / Max: 1220.5

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Monte CarloKVM VirtualizationBare MetalXen HVM 4.1.290180270360450SE +/- 1.13, N = 4SE +/- 0.41, N = 4SE +/- 1.15, N = 4414.58416.59405.58
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Monte CarloKVM VirtualizationBare MetalXen HVM 4.1.270140210280350Min: 411.4 / Avg: 414.58 / Max: 416.18Min: 416.18 / Avg: 416.59 / Max: 417.8Min: 403.66 / Avg: 405.58 / Max: 408.27

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Fast Fourier TransformKVM VirtualizationBare MetalXen HVM 4.1.270140210280350SE +/- 0.30, N = 4SE +/- 1.23, N = 4SE +/- 3.17, N = 4232.04333.92310.11
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Fast Fourier TransformKVM VirtualizationBare MetalXen HVM 4.1.260120180240300Min: 231.25 / Avg: 232.04 / Max: 232.51Min: 330.36 / Avg: 333.92 / Max: 335.54Min: 304.5 / Avg: 310.11 / Max: 318.08

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Sparse Matrix MultiplyKVM VirtualizationBare MetalXen HVM 4.1.2400800120016002000SE +/- 3.98, N = 4SE +/- 2.45, N = 4SE +/- 20.40, N = 41843.002005.391930.46
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Sparse Matrix MultiplyKVM VirtualizationBare MetalXen HVM 4.1.230060090012001500Min: 1836.77 / Avg: 1843 / Max: 1853.39Min: 1998.05 / Avg: 2005.39 / Max: 2007.84Min: 1870.32 / Avg: 1930.46 / Max: 1959.81

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Dense LU Matrix FactorizationKVM VirtualizationBare MetalXen HVM 4.1.25001000150020002500SE +/- 7.58, N = 4SE +/- 2.64, N = 4SE +/- 17.22, N = 42179.172378.312260.28
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Dense LU Matrix FactorizationKVM VirtualizationBare MetalXen HVM 4.1.2400800120016002000Min: 2159.24 / Avg: 2179.17 / Max: 2194.79Min: 2370.37 / Avg: 2378.31 / Max: 2380.95Min: 2231.52 / Avg: 2260.28 / Max: 2308.8

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Jacobi Successive Over-RelaxationKVM VirtualizationBare MetalXen HVM 4.1.230060090012001500SE +/- 2.80, N = 4SE +/- 0.00, N = 4SE +/- 6.38, N = 41169.081179.181152.69
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Jacobi Successive Over-RelaxationKVM VirtualizationBare MetalXen HVM 4.1.22004006008001000Min: 1161.31 / Avg: 1169.08 / Max: 1174.66Min: 1179.18 / Avg: 1179.18 / Max: 1179.18Min: 1139.72 / Avg: 1152.69 / Max: 1165.73

John The Ripper

OpenBenchmarking.orgReal C/S, More Is BetterJohn The Ripper 1.7.9Test: BlowfishKVM VirtualizationBare MetalXen HVM 4.1.22K4K6K8K10KSE +/- 0.67, N = 3SE +/- 5.33, N = 3SE +/- 146.21, N = 37933811676641. (CC) gcc options: -fopenmp -lcrypt
OpenBenchmarking.orgReal C/S, More Is BetterJohn The Ripper 1.7.9Test: BlowfishKVM VirtualizationBare MetalXen HVM 4.1.214002800420056007000Min: 7932 / Avg: 7932.67 / Max: 7934Min: 8105 / Avg: 8115.67 / Max: 8121Min: 7372 / Avg: 7664.33 / Max: 78171. (CC) gcc options: -fopenmp -lcrypt

VP8 libvpx Encoding

OpenBenchmarking.orgFrames Per Second, More Is BetterVP8 libvpx Encoding 0.9.7-p1vpxencKVM VirtualizationBare MetalXen HVM 4.1.2714212835SE +/- 0.38, N = 3SE +/- 0.22, N = 3SE +/- 0.39, N = 323.0527.4328.781. (CC) gcc options: -m64 -lvpx -lm -lpthread
OpenBenchmarking.orgFrames Per Second, More Is BetterVP8 libvpx Encoding 0.9.7-p1vpxencKVM VirtualizationBare MetalXen HVM 4.1.2612182430Min: 22.44 / Avg: 23.05 / Max: 23.74Min: 27.01 / Avg: 27.43 / Max: 27.73Min: 28 / Avg: 28.78 / Max: 29.231. (CC) gcc options: -m64 -lvpx -lm -lpthread

x264

OpenBenchmarking.orgFrames Per Second, More Is Betterx264 2011-12-06H.264 Video EncodingKVM VirtualizationBare MetalXen HVM 4.1.24080120160200SE +/- 5.08, N = 6SE +/- 2.94, N = 5SE +/- 3.67, N = 6166.95201.46192.80
OpenBenchmarking.orgFrames Per Second, More Is Betterx264 2011-12-06H.264 Video EncodingKVM VirtualizationBare MetalXen HVM 4.1.24080120160200Min: 141.71 / Avg: 166.95 / Max: 173.68Min: 189.8 / Avg: 201.46 / Max: 205.53Min: 174.59 / Avg: 192.8 / Max: 197.8

GraphicsMagick

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.12Operation: SharpenKVM VirtualizationBare MetalXen HVM 4.1.220406080100SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.33, N = 3104106951. (CC) gcc options: -std=gnu99 -fopenmp -O2 -pthread -lz -lm -lgomp -lpthread
OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.12Operation: SharpenKVM VirtualizationBare MetalXen HVM 4.1.220406080100Min: 104 / Avg: 104 / Max: 104Min: 106 / Avg: 106 / Max: 106Min: 95 / Avg: 95.33 / Max: 961. (CC) gcc options: -std=gnu99 -fopenmp -O2 -pthread -lz -lm -lgomp -lpthread

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.12Operation: ResizingKVM VirtualizationBare MetalXen HVM 4.1.24080120160200SE +/- 0.67, N = 3SE +/- 0.00, N = 3SE +/- 1.20, N = 31691751531. (CC) gcc options: -std=gnu99 -fopenmp -O2 -pthread -lz -lm -lgomp -lpthread
OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.12Operation: ResizingKVM VirtualizationBare MetalXen HVM 4.1.2306090120150Min: 168 / Avg: 169.33 / Max: 170Min: 175 / Avg: 175 / Max: 175Min: 151 / Avg: 153.33 / Max: 1551. (CC) gcc options: -std=gnu99 -fopenmp -O2 -pthread -lz -lm -lgomp -lpthread

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.12Operation: Local Adaptive ThresholdingKVM VirtualizationBare MetalXen HVM 4.1.220406080100SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 1.00, N = 3100102911. (CC) gcc options: -std=gnu99 -fopenmp -O2 -pthread -lz -lm -lgomp -lpthread
OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.12Operation: Local Adaptive ThresholdingKVM VirtualizationBare MetalXen HVM 4.1.220406080100Min: 100 / Avg: 100 / Max: 100Min: 102 / Avg: 102 / Max: 102Min: 89 / Avg: 91 / Max: 921. (CC) gcc options: -std=gnu99 -fopenmp -O2 -pthread -lz -lm -lgomp -lpthread

Himeno Benchmark

The Himeno benchmark is a linear solver of pressure Poisson using a point-Jacobi method. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure SolverKVM VirtualizationBare MetalXen HVM 4.1.2400800120016002000SE +/- 3.25, N = 3SE +/- 1.21, N = 3SE +/- 7.54, N = 31616.821632.271592.151. (CC) gcc options: -O3
OpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure SolverKVM VirtualizationBare MetalXen HVM 4.1.230060090012001500Min: 1611.45 / Avg: 1616.82 / Max: 1622.69Min: 1629.99 / Avg: 1632.27 / Max: 1634.11Min: 1584.08 / Avg: 1592.15 / Max: 1607.211. (CC) gcc options: -O3

7-Zip Compression

OpenBenchmarking.orgMIPS, More Is Better7-Zip Compression 9.20.1Compress Speed TestKVM VirtualizationBare MetalXen HVM 4.1.25K10K15K20K25KSE +/- 139.43, N = 3SE +/- 82.72, N = 3SE +/- 69.43, N = 32281225011240211. (CXX) g++ options: -pipe -lpthread
OpenBenchmarking.orgMIPS, More Is Better7-Zip Compression 9.20.1Compress Speed TestKVM VirtualizationBare MetalXen HVM 4.1.24K8K12K16K20KMin: 22534 / Avg: 22812 / Max: 22970Min: 24855 / Avg: 25010.67 / Max: 25137Min: 23892 / Avg: 24021 / Max: 241301. (CXX) g++ options: -pipe -lpthread

Timed Linux Kernel Compilation

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed Linux Kernel Compilation 3.1Time To CompileKVM VirtualizationBare MetalXen HVM 4.1.220406080100SE +/- 1.36, N = 3SE +/- 0.58, N = 3SE +/- 0.66, N = 370.7161.53103.14
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed Linux Kernel Compilation 3.1Time To CompileKVM VirtualizationBare MetalXen HVM 4.1.220406080100Min: 68.66 / Avg: 70.71 / Max: 73.27Min: 60.83 / Avg: 61.53 / Max: 62.67Min: 102.16 / Avg: 103.14 / Max: 104.39

C-Ray

This is a test of C-Ray, a simple raytracer designed to test the floating-point CPU performance. This test is multi-threaded (16 threads per core), will shoot 8 rays per pixel for anti-aliasing, and will generate a 1600 x 1200 image. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total TimeKVM VirtualizationBare MetalXen HVM 4.1.2612182430SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.01, N = 323.8122.7423.711. (CC) gcc options: -lm -lpthread -O3
OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total TimeKVM VirtualizationBare MetalXen HVM 4.1.2612182430Min: 23.79 / Avg: 23.81 / Max: 23.83Min: 22.69 / Avg: 22.74 / Max: 22.78Min: 23.69 / Avg: 23.71 / Max: 23.721. (CC) gcc options: -lm -lpthread -O3

Smallpt

Smallpt is a C++ global illumination renderer written in less than 100 lines of code. Global illumination is done via unbiased Monte Carlo path tracing and there is multi-threading support via the OpenMP library. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterSmallpt 1.0Global Illumination Renderer; 100 SamplesKVM VirtualizationBare MetalXen HVM 4.1.21530456075SE +/- 0.00, N = 3SE +/- 0.33, N = 3SE +/- 0.33, N = 36564641. (CXX) g++ options: -fopenmp
OpenBenchmarking.orgSeconds, Fewer Is BetterSmallpt 1.0Global Illumination Renderer; 100 SamplesKVM VirtualizationBare MetalXen HVM 4.1.21326395265Min: 65 / Avg: 65 / Max: 65Min: 64 / Avg: 64.33 / Max: 65Min: 64 / Avg: 64.33 / Max: 651. (CXX) g++ options: -fopenmp

FFmpeg

OpenBenchmarking.orgSeconds, Fewer Is BetterFFmpeg 0.10AVI To NTSC VCDKVM VirtualizationBare MetalXen HVM 4.1.23691215SE +/- 0.01, N = 3SE +/- 0.03, N = 3SE +/- 0.16, N = 310.3210.1010.791. (CC) gcc options: -lavdevice -lavfilter -lavformat -lavcodec -lswresample -lswscale -lavutil -ldl -lm -pthread
OpenBenchmarking.orgSeconds, Fewer Is BetterFFmpeg 0.10AVI To NTSC VCDKVM VirtualizationBare MetalXen HVM 4.1.23691215Min: 10.3 / Avg: 10.32 / Max: 10.34Min: 10.07 / Avg: 10.1 / Max: 10.16Min: 10.52 / Avg: 10.79 / Max: 11.071. (CC) gcc options: -lavdevice -lavfilter -lavformat -lavcodec -lswresample -lswscale -lavutil -ldl -lm -pthread

OpenSSL

OpenBenchmarking.orgSigns Per Second, More Is BetterOpenSSL 1.0.0eRSA 4096-bit PerformanceKVM VirtualizationBare MetalXen HVM 4.1.220406080100SE +/- 0.26, N = 4SE +/- 0.23, N = 4SE +/- 0.95, N = 491.5392.0087.281. (CC) gcc options: -m64 -O3 -lssl -lcrypto -ldl
OpenBenchmarking.orgSigns Per Second, More Is BetterOpenSSL 1.0.0eRSA 4096-bit PerformanceKVM VirtualizationBare MetalXen HVM 4.1.220406080100Min: 91 / Avg: 91.53 / Max: 92.1Min: 91.3 / Avg: 92 / Max: 92.3Min: 84.9 / Avg: 87.28 / Max: 88.91. (CC) gcc options: -m64 -O3 -lssl -lcrypto -ldl

PostgreSQL pgbench

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 8.4.11TPC-B Transactions Per SecondKVM VirtualizationBare MetalXen HVM 4.1.270140210280350SE +/- 2.14, N = 3SE +/- 2.51, N = 3SE +/- 0.70, N = 3211.47314.05176.971. (CC) gcc options: -O2 -fno-strict-aliasing -fwrapv -lpgport -lpq -lcrypt -ldl -lm
OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 8.4.11TPC-B Transactions Per SecondKVM VirtualizationBare MetalXen HVM 4.1.260120180240300Min: 207.2 / Avg: 211.47 / Max: 213.82Min: 309.07 / Avg: 314.05 / Max: 316.98Min: 175.58 / Avg: 176.97 / Max: 177.821. (CC) gcc options: -O2 -fno-strict-aliasing -fwrapv -lpgport -lpq -lcrypt -ldl -lm

Apache Benchmark

OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.2.21Static Web Page ServingKVM VirtualizationBare MetalXen HVM 4.1.24K8K12K16K20KSE +/- 124.98, N = 3SE +/- 101.52, N = 3SE +/- 69.42, N = 316318.9216780.1616499.001. (CC) gcc options: -O2 -pthread -lm -lrt -lcrypt -lpthread -ldl
OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.2.21Static Web Page ServingKVM VirtualizationBare MetalXen HVM 4.1.23K6K9K12K15KMin: 16153.08 / Avg: 16318.92 / Max: 16563.81Min: 16614.01 / Avg: 16780.16 / Max: 16964.29Min: 16372.29 / Avg: 16499 / Max: 16611.491. (CC) gcc options: -O2 -pthread -lm -lrt -lcrypt -lpthread -ldl