LLVM Clang 3.1 GCC 4.7 Intel Core i7 Benchmarks

Benchmarking of GCC 4.6.3, GCC 4.7.0, LLVM Clang 3.0, and LLVM Clang 3.1 SVN compilers for a future article on Phoronix.com. Compilers built all test binaries with CFLAGS/CXXFLAGS of -O3 -march=native from this Intel Core i7 Clarksfield notebook. Ubuntu 12.04 LTS x86_64 was used with the Linux 3.2 kernel.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 1204215-SU-LLVMCLANG23
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Audio Encoding 2 Tests
Bioinformatics 4 Tests
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HPC - High Performance Computing 5 Tests
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GCC 4.6.3
April 21 2012
 
GCC 4.7.0
April 21 2012
 
LLVM-Clang 3.0
April 21 2012
 
LLVM-Clang 3.1 SVN
April 21 2012
 
Open64 5.0
April 21 2012
 
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GCC 4.6.3

Processor: Intel Core i7 720Q @ 1.60GHz (8 Cores), Motherboard: LENOVO 4318CTO, Chipset: Intel Core DMI, Memory: 4096MB, Disk: 160GB INTEL SSDSA2M160, Graphics: NVIDIA Quadro FX 880M 1024MB (405/324MHz), Audio: Conexant CX20585, Network: Intel 82577LM Gigabit Connection + Intel Centrino Ultimate-N 6300

OS: Ubuntu 12.04, Kernel: 3.4.0-999-generic (x86_64), Desktop: Unity 5.10.0, Display Server: X Server 1.11.3, Display Driver: nouveau 0.0.16, OpenGL: 2.1 Mesa 8.0.2 Gallium 0.4, Compiler: GCC 4.6.3, File-System: ext4, Screen Resolution: 1600x900

Compiler Notes: --enable-checking=release --enable-languages=c,c++ --enable-lto
Processor Notes: Scaling Governor: ondemand
System Notes: Compiz was running on this system.

GCC 4.7.0

OS: Ubuntu 12.04, Kernel: 3.4.0-999-generic (x86_64), Desktop: Unity 5.10.0, Display Server: X Server 1.11.3, Display Driver: nouveau 0.0.16, OpenGL: 2.1 Mesa 8.0.2 Gallium 0.4, Compiler: GCC 4.7.0, File-System: ext4, Screen Resolution: 1600x900

LLVM-Clang 3.0

OS: Ubuntu 12.04, Kernel: 3.4.0-999-generic (x86_64), Desktop: Unity 5.10.0, Display Server: X Server 1.11.3, Display Driver: nouveau 0.0.16, OpenGL: 2.1 Mesa 8.0.2 Gallium 0.4, Compiler: Clang 3.0 + LLVM 3.0, File-System: ext4, Screen Resolution: 1600x900

Compiler Notes: Optimized build; Built Apr 21 2012 (12:40:14); Host: x86_64-unknown-linux-gnu; Host CPU: corei7
Processor Notes: Scaling Governor: ondemand
System Notes: Compiz was running on this system.

LLVM-Clang 3.1 SVN

OS: Ubuntu 12.04, Kernel: 3.4.0-999-generic (x86_64), Desktop: Unity 5.10.0, Display Server: X Server 1.11.3, Display Driver: nouveau 0.0.16, OpenGL: 2.1 Mesa 8.0.2 Gallium 0.4, Compiler: Clang 3.1 (SVN 155295) + LLVM 3.1svn, File-System: ext4, Screen Resolution: 1600x900

Compiler Notes: Optimized build; Built Apr 21 2012 (14:54:30); Default target: x86_64-unknown-linux-gnu; Host CPU: corei7
Processor Notes: Scaling Governor: ondemand
System Notes: Compiz was running on this system.

Open64 5.0

OS: Ubuntu 12.04, Kernel: 3.4.0-999-generic (x86_64), Desktop: Unity 5.10.0, Display Server: X Server 1.11.3, Display Driver: nouveau 0.0.16, OpenGL: 2.1 Mesa 8.0.2 Gallium 0.4, Compiler: Open64 5.0, File-System: ext4, Screen Resolution: 1600x900

Processor Notes: Scaling Governor: ondemand
System Notes: Compiz was running on this system.

LLVM Clang 3.1 GCC 4.7 Intel Core i7 BenchmarksOpenBenchmarking.orgPhoronix Test SuiteIntel Core i7 720Q @ 1.60GHz (8 Cores)LENOVO 4318CTOIntel Core DMI4096MB160GB INTEL SSDSA2M160NVIDIA Quadro FX 880M 1024MB (405/324MHz)Conexant CX20585Intel 82577LM Gigabit Connection + Intel Centrino Ultimate-N 6300Ubuntu 12.043.4.0-999-generic (x86_64)Unity 5.10.0X Server 1.11.3nouveau 0.0.162.1 Mesa 8.0.2 Gallium 0.4GCC 4.6.3GCC 4.7.0Clang 3.0 + LLVM 3.0Clang 3.1 (SVN 155295) + LLVM 3.1svnOpen64 5.0ext41600x900ProcessorMotherboardChipsetMemoryDiskGraphicsAudioNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilersFile-SystemScreen ResolutionLLVM Clang 3.1 GCC 4.7 Intel Core I7 Benchmarks PerformanceSystem Logs- GCC 4.6.3: --enable-checking=release --enable-languages=c,c++ --enable-lto- GCC 4.7.0: --enable-checking=release --enable-languages=c,c++ --enable-lto- LLVM-Clang 3.0: Optimized build; Built Apr 21 2012 (12:40:14); Host: x86_64-unknown-linux-gnu; Host CPU: corei7 - LLVM-Clang 3.1 SVN: Optimized build; Built Apr 21 2012 (14:54:30); Default target: x86_64-unknown-linux-gnu; Host CPU: corei7 - Scaling Governor: ondemand- Compiz was running on this system.

LLVM Clang 3.1 GCC 4.7 Intel Core i7 Benchmarkscrafty: Elapsed Timehmmer: Pfam Database Searchmafft: Multiple Sequence Alignmentmrbayes: Primate Phylogeny Analysishimeno: Poisson Pressure Solverminion: Bibdminion: Gracefulminion: Solitaireminion: Quasigroupencode-flac: WAV To FLACencode-mp3: WAV To MP3ffte: N=64, 1D Complex FFT Routinecompress-7zip: Compress Speed Testjohn-the-ripper: Blowfishbuild-php: Time To Compilecompress-pbzip2: 256MB File Compressionnero2d: Total Timex264: H.264 Video Encodingvpxenc: vpxenctachyon: Total Timec-ray: Total Timettsiod-renderer: Phong Rendering With Soft-Shadow Mappingffmpeg: AVI To NTSC VCDsmallpt: Global Illumination Renderer; 100 Samplesnginx: Static Web Page Servingapache: Static Web Page Servingopenssl: RSA 4096-bit Performancepgbench: TPC-B Transactions Per Secondbyte: Dhrystone 2fhourstones: Complex Connect-4 Solvinggmpbench: Total TimeGCC 4.6.3GCC 4.7.0LLVM-Clang 3.0LLVM-Clang 3.1 SVNOpen64 5.0109.8826.5213.7337.071060.59206.67111.35203.00255.839.9723.583276.198849221550.4219.34640.1758.469.9336.05139.0163.3215.876915482.0814290.9942.232375.1818737961.278643.401739108.2926.6313.6032.381142.97217.34122.41211.57253.169.3223.103156.928890221154.7422.30638.6058.269.7637.2191.1859.5015.736814956.3014322.0542.082405.9118075520.178631.431751.2033.0216.141002.87223.86110.30224.90277.693270.199108118.2023415559.9614867.10107.8532.6314.7340.091053.29219.58110.04217.96262.5010.8523.813197.68916666247.4923.219.0736.17109.1116.0925115767.2114834.6642.082426.918551.903267.81OpenBenchmarking.org

Crafty

OpenBenchmarking.orgSeconds, Fewer Is BetterCrafty 23.4Elapsed TimeGCC 4.6.3GCC 4.7.0LLVM-Clang 3.1 SVN20406080100SE +/- 0.11, N = 3SE +/- 0.05, N = 3SE +/- 0.06, N = 3109.88108.29107.851. (CC) gcc options: -lstdc++ -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterCrafty 23.4Elapsed TimeGCC 4.6.3GCC 4.7.0LLVM-Clang 3.1 SVN20406080100Min: 109.71 / Avg: 109.88 / Max: 110.09Min: 108.18 / Avg: 108.29 / Max: 108.35Min: 107.72 / Avg: 107.85 / Max: 107.931. (CC) gcc options: -lstdc++ -lm

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 SearchGCC 4.6.3GCC 4.7.0LLVM-Clang 3.0LLVM-Clang 3.1 SVN816243240SE +/- 0.03, N = 3SE +/- 0.01, N = 3SE +/- 0.04, N = 3SE +/- 0.06, N = 326.5226.6333.0232.631. (CC) gcc options: -O3 -march=native -pthread -lhmmer -lsquid -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed HMMer Search 2.3.2Pfam Database SearchGCC 4.6.3GCC 4.7.0LLVM-Clang 3.0LLVM-Clang 3.1 SVN714212835Min: 26.47 / Avg: 26.52 / Max: 26.58Min: 26.62 / Avg: 26.63 / Max: 26.64Min: 32.95 / Avg: 33.02 / Max: 33.09Min: 32.54 / Avg: 32.63 / Max: 32.751. (CC) gcc options: -O3 -march=native -pthread -lhmmer -lsquid -lm

Timed MAFFT Alignment

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed MAFFT Alignment 6.864Multiple Sequence AlignmentGCC 4.6.3GCC 4.7.0LLVM-Clang 3.0LLVM-Clang 3.1 SVN48121620SE +/- 0.18, N = 6SE +/- 0.04, N = 3SE +/- 0.28, N = 4SE +/- 0.07, N = 313.7313.6016.1414.731. (CC) gcc options: -O3 -lm -lpthread
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed MAFFT Alignment 6.864Multiple Sequence AlignmentGCC 4.6.3GCC 4.7.0LLVM-Clang 3.0LLVM-Clang 3.1 SVN48121620Min: 13.38 / Avg: 13.73 / Max: 14.58Min: 13.53 / Avg: 13.6 / Max: 13.66Min: 15.7 / Avg: 16.14 / Max: 16.96Min: 14.6 / Avg: 14.73 / Max: 14.821. (CC) gcc options: -O3 -lm -lpthread

Timed MrBayes Analysis

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed MrBayes Analysis 3.1.2Primate Phylogeny AnalysisGCC 4.6.3GCC 4.7.0LLVM-Clang 3.1 SVN918273645SE +/- 0.03, N = 3SE +/- 0.09, N = 3SE +/- 0.25, N = 337.0732.3840.09
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed MrBayes Analysis 3.1.2Primate Phylogeny AnalysisGCC 4.6.3GCC 4.7.0LLVM-Clang 3.1 SVN816243240Min: 37.03 / Avg: 37.07 / Max: 37.12Min: 32.25 / Avg: 32.38 / Max: 32.55Min: 39.82 / Avg: 40.09 / Max: 40.6

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 SolverGCC 4.6.3GCC 4.7.0LLVM-Clang 3.0LLVM-Clang 3.1 SVN2004006008001000SE +/- 16.23, N = 3SE +/- 2.04, N = 3SE +/- 5.12, N = 3SE +/- 9.10, N = 31060.591142.971002.871053.291. (CC) gcc options: -O3 -march=native
OpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure SolverGCC 4.6.3GCC 4.7.0LLVM-Clang 3.0LLVM-Clang 3.1 SVN2004006008001000Min: 1029.39 / Avg: 1060.59 / Max: 1083.93Min: 1140.7 / Avg: 1142.97 / Max: 1147.05Min: 996.63 / Avg: 1002.87 / Max: 1013.02Min: 1040.5 / Avg: 1053.29 / Max: 1070.91. (CC) gcc options: -O3 -march=native

Minion

OpenBenchmarking.orgSeconds, Fewer Is BetterMinion 0.12Benchmark: BibdGCC 4.6.3GCC 4.7.0LLVM-Clang 3.0LLVM-Clang 3.1 SVN50100150200250SE +/- 0.63, N = 3SE +/- 0.27, N = 3SE +/- 0.43, N = 3SE +/- 0.37, N = 3206.67217.34223.86219.58-mdynamic-no-pic -lz -lbz2-mdynamic-no-pic -lz -lbz21. (CXX) g++ options: -O3 -fomit-frame-pointer -rdynamic -lboost_iostreams-mt
OpenBenchmarking.orgSeconds, Fewer Is BetterMinion 0.12Benchmark: BibdGCC 4.6.3GCC 4.7.0LLVM-Clang 3.0LLVM-Clang 3.1 SVN4080120160200Min: 205.41 / Avg: 206.67 / Max: 207.41Min: 216.96 / Avg: 217.34 / Max: 217.87Min: 223.42 / Avg: 223.86 / Max: 224.73Min: 218.85 / Avg: 219.58 / Max: 220.021. (CXX) g++ options: -O3 -fomit-frame-pointer -rdynamic -lboost_iostreams-mt

OpenBenchmarking.orgSeconds, Fewer Is BetterMinion 0.12Benchmark: GracefulGCC 4.6.3GCC 4.7.0LLVM-Clang 3.0LLVM-Clang 3.1 SVN306090120150SE +/- 0.27, N = 3SE +/- 0.33, N = 3SE +/- 0.08, N = 3SE +/- 0.31, N = 3111.35122.41110.30110.04-mdynamic-no-pic -lz -lbz2-mdynamic-no-pic -lz -lbz21. (CXX) g++ options: -O3 -fomit-frame-pointer -rdynamic -lboost_iostreams-mt
OpenBenchmarking.orgSeconds, Fewer Is BetterMinion 0.12Benchmark: GracefulGCC 4.6.3GCC 4.7.0LLVM-Clang 3.0LLVM-Clang 3.1 SVN20406080100Min: 110.9 / Avg: 111.35 / Max: 111.83Min: 121.82 / Avg: 122.41 / Max: 122.95Min: 110.16 / Avg: 110.3 / Max: 110.4Min: 109.48 / Avg: 110.04 / Max: 110.551. (CXX) g++ options: -O3 -fomit-frame-pointer -rdynamic -lboost_iostreams-mt

OpenBenchmarking.orgSeconds, Fewer Is BetterMinion 0.12Benchmark: SolitaireGCC 4.6.3GCC 4.7.0LLVM-Clang 3.0LLVM-Clang 3.1 SVN50100150200250SE +/- 0.36, N = 3SE +/- 0.22, N = 3SE +/- 0.44, N = 3SE +/- 0.41, N = 3203.00211.57224.90217.96-mdynamic-no-pic -lz -lbz2-mdynamic-no-pic -lz -lbz21. (CXX) g++ options: -O3 -fomit-frame-pointer -rdynamic -lboost_iostreams-mt
OpenBenchmarking.orgSeconds, Fewer Is BetterMinion 0.12Benchmark: SolitaireGCC 4.6.3GCC 4.7.0LLVM-Clang 3.0LLVM-Clang 3.1 SVN4080120160200Min: 202.32 / Avg: 203 / Max: 203.55Min: 211.19 / Avg: 211.57 / Max: 211.96Min: 224.24 / Avg: 224.9 / Max: 225.74Min: 217.46 / Avg: 217.96 / Max: 218.781. (CXX) g++ options: -O3 -fomit-frame-pointer -rdynamic -lboost_iostreams-mt

OpenBenchmarking.orgSeconds, Fewer Is BetterMinion 0.12Benchmark: QuasigroupGCC 4.6.3GCC 4.7.0LLVM-Clang 3.0LLVM-Clang 3.1 SVN60120180240300SE +/- 0.25, N = 3SE +/- 0.04, N = 3SE +/- 0.27, N = 3SE +/- 0.21, N = 3255.83253.16277.69262.50-mdynamic-no-pic -lz -lbz2-mdynamic-no-pic -lz -lbz21. (CXX) g++ options: -O3 -fomit-frame-pointer -rdynamic -lboost_iostreams-mt
OpenBenchmarking.orgSeconds, Fewer Is BetterMinion 0.12Benchmark: QuasigroupGCC 4.6.3GCC 4.7.0LLVM-Clang 3.0LLVM-Clang 3.1 SVN50100150200250Min: 255.43 / Avg: 255.83 / Max: 256.3Min: 253.08 / Avg: 253.16 / Max: 253.21Min: 277.15 / Avg: 277.69 / Max: 278Min: 262.11 / Avg: 262.5 / Max: 262.821. (CXX) g++ options: -O3 -fomit-frame-pointer -rdynamic -lboost_iostreams-mt

FLAC Audio Encoding

OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.2.1WAV To FLACGCC 4.6.3GCC 4.7.0LLVM-Clang 3.1 SVN3691215SE +/- 0.01, N = 5SE +/- 0.02, N = 5SE +/- 0.02, N = 59.979.3210.851. (CXX) g++ options: -O3 -march=native -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.2.1WAV To FLACGCC 4.6.3GCC 4.7.0LLVM-Clang 3.1 SVN3691215Min: 9.94 / Avg: 9.97 / Max: 10Min: 9.27 / Avg: 9.32 / Max: 9.37Min: 10.81 / Avg: 10.85 / Max: 10.91. (CXX) g++ options: -O3 -march=native -lm

LAME MP3 Encoding

LAME is an MP3 encoder licensed under the LGPL. This test measures the time required to encode a WAV file to MP3 format. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.99.3WAV To MP3GCC 4.6.3GCC 4.7.0LLVM-Clang 3.1 SVN612182430SE +/- 0.04, N = 5SE +/- 0.02, N = 5SE +/- 0.04, N = 523.5823.1023.81
OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.99.3WAV To MP3GCC 4.6.3GCC 4.7.0LLVM-Clang 3.1 SVN612182430Min: 23.44 / Avg: 23.58 / Max: 23.63Min: 23.02 / Avg: 23.1 / Max: 23.14Min: 23.69 / Avg: 23.81 / Max: 23.88

FFTE

FFTE is a package by Daisuke Takahashi to compute Discrete Fourier Transforms of 1-, 2- and 3- dimensional sequences of length (2^p)*(3^q)*(5^r). Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMFLOPS, More Is BetterFFTE 5.0Test: N=64, 1D Complex FFT RoutineGCC 4.6.3GCC 4.7.0LLVM-Clang 3.0LLVM-Clang 3.1 SVNOpen64 5.07001400210028003500SE +/- 11.98, N = 3SE +/- 48.14, N = 3SE +/- 7.30, N = 3SE +/- 29.94, N = 3SE +/- 6.76, N = 33276.193156.923270.193197.683267.811. (F9X) gfortran options: -O3 -fomit-frame-pointer -fopenmp -pthread -lmpi_f90 -lmpi_f77 -lmpi -lopen-rte -lopen-pal -ldl -lnsl -lutil -lm
OpenBenchmarking.orgMFLOPS, More Is BetterFFTE 5.0Test: N=64, 1D Complex FFT RoutineGCC 4.6.3GCC 4.7.0LLVM-Clang 3.0LLVM-Clang 3.1 SVNOpen64 5.06001200180024003000Min: 3252.28 / Avg: 3276.19 / Max: 3289.31Min: 3100.92 / Avg: 3156.92 / Max: 3252.75Min: 3257.26 / Avg: 3270.19 / Max: 3282.53Min: 3142.87 / Avg: 3197.68 / Max: 3245.97Min: 3257.71 / Avg: 3267.81 / Max: 3280.651. (F9X) gfortran options: -O3 -fomit-frame-pointer -fopenmp -pthread -lmpi_f90 -lmpi_f77 -lmpi -lopen-rte -lopen-pal -ldl -lnsl -lutil -lm

7-Zip Compression

OpenBenchmarking.orgMIPS, More Is Better7-Zip Compression 9.20.1Compress Speed TestGCC 4.6.3GCC 4.7.0LLVM-Clang 3.0LLVM-Clang 3.1 SVN2K4K6K8K10KSE +/- 65.12, N = 3SE +/- 42.67, N = 3SE +/- 11.50, N = 3SE +/- 7.55, N = 388498890910891661. (CXX) g++ options: -pipe -lpthread
OpenBenchmarking.orgMIPS, More Is Better7-Zip Compression 9.20.1Compress Speed TestGCC 4.6.3GCC 4.7.0LLVM-Clang 3.0LLVM-Clang 3.1 SVN16003200480064008000Min: 8745 / Avg: 8849.33 / Max: 8969Min: 8805 / Avg: 8890 / Max: 8939Min: 9085 / Avg: 9108 / Max: 9120Min: 9157 / Avg: 9166 / Max: 91811. (CXX) g++ options: -pipe -lpthread

John The Ripper

OpenBenchmarking.orgReal C/S, More Is BetterJohn The Ripper 1.7.9Test: BlowfishGCC 4.6.3GCC 4.7.0LLVM-Clang 3.1 SVN5001000150020002500SE +/- 1.67, N = 3SE +/- 1.67, N = 3SE +/- 1.53, N = 3221522116621. (CC) gcc options: -fopenmp -lcrypt
OpenBenchmarking.orgReal C/S, More Is BetterJohn The Ripper 1.7.9Test: BlowfishGCC 4.6.3GCC 4.7.0LLVM-Clang 3.1 SVN400800120016002000Min: 2213 / Avg: 2214.67 / Max: 2218Min: 2208 / Avg: 2211.33 / Max: 2213Min: 660 / Avg: 662 / Max: 6651. (CC) gcc options: -fopenmp -lcrypt

Timed PHP Compilation

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed PHP Compilation 5.2.9Time To CompileGCC 4.6.3GCC 4.7.0LLVM-Clang 3.1 SVN1224364860SE +/- 0.07, N = 3SE +/- 0.05, N = 3SE +/- 0.06, N = 350.4254.7447.49-lpthread1. (CC) gcc options: -O3 -march=native -pedantic -ldl -lz -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed PHP Compilation 5.2.9Time To CompileGCC 4.6.3GCC 4.7.0LLVM-Clang 3.1 SVN1122334455Min: 50.29 / Avg: 50.42 / Max: 50.53Min: 54.65 / Avg: 54.74 / Max: 54.8Min: 47.39 / Avg: 47.49 / Max: 47.61. (CC) gcc options: -O3 -march=native -pedantic -ldl -lz -lm

Parallel BZIP2 Compression

OpenBenchmarking.orgSeconds, Fewer Is BetterParallel BZIP2 Compression 1.0.5256MB File CompressionGCC 4.6.3GCC 4.7.0LLVM-Clang 3.1 SVN612182430SE +/- 0.05, N = 3SE +/- 0.03, N = 3SE +/- 0.03, N = 319.3422.3023.211. (CXX) g++ options: -O2 -pthread -lpthread -lbz2
OpenBenchmarking.orgSeconds, Fewer Is BetterParallel BZIP2 Compression 1.0.5256MB File CompressionGCC 4.6.3GCC 4.7.0LLVM-Clang 3.1 SVN510152025Min: 19.27 / Avg: 19.34 / Max: 19.43Min: 22.26 / Avg: 22.3 / Max: 22.36Min: 23.17 / Avg: 23.21 / Max: 23.271. (CXX) g++ options: -O2 -pthread -lpthread -lbz2

Open FMM Nero2D

OpenBenchmarking.orgSeconds, Fewer Is BetterOpen FMM Nero2D 2.0.2Total TimeGCC 4.6.3GCC 4.7.0140280420560700640.17638.601. (CXX) g++ options: -O3 -march=native -lfftw3 -llapack -lblas -lgfortran -lm

x264

OpenBenchmarking.orgFrames Per Second, More Is Betterx264 2011-12-06H.264 Video EncodingGCC 4.6.3GCC 4.7.01326395265SE +/- 0.05, N = 3SE +/- 0.12, N = 358.4658.26
OpenBenchmarking.orgFrames Per Second, More Is Betterx264 2011-12-06H.264 Video EncodingGCC 4.6.3GCC 4.7.01224364860Min: 58.35 / Avg: 58.46 / Max: 58.51Min: 58.1 / Avg: 58.26 / Max: 58.49

VP8 libvpx Encoding

OpenBenchmarking.orgFrames Per Second, More Is BetterVP8 libvpx Encoding 0.9.7-p1vpxencGCC 4.6.3GCC 4.7.0LLVM-Clang 3.1 SVN3691215SE +/- 0.09, N = 3SE +/- 0.07, N = 3SE +/- 0.06, N = 39.939.769.071. (CC) gcc options: -m64 -lvpx -lm -lpthread
OpenBenchmarking.orgFrames Per Second, More Is BetterVP8 libvpx Encoding 0.9.7-p1vpxencGCC 4.6.3GCC 4.7.0LLVM-Clang 3.1 SVN3691215Min: 9.75 / Avg: 9.93 / Max: 10.04Min: 9.63 / Avg: 9.76 / Max: 9.83Min: 8.97 / Avg: 9.07 / Max: 9.161. (CC) gcc options: -m64 -lvpx -lm -lpthread

Tachyon

OpenBenchmarking.orgSeconds, Fewer Is BetterTachyon 0.98.9Total TimeGCC 4.6.3GCC 4.7.0LLVM-Clang 3.1 SVN918273645SE +/- 0.02, N = 3SE +/- 0.02, N = 3SE +/- 0.02, N = 336.0537.2136.171. (CC) gcc options: -m32 -O3 -fomit-frame-pointer -ffast-math -ltachyon -lm -lpthread
OpenBenchmarking.orgSeconds, Fewer Is BetterTachyon 0.98.9Total TimeGCC 4.6.3GCC 4.7.0LLVM-Clang 3.1 SVN816243240Min: 36.03 / Avg: 36.05 / Max: 36.09Min: 37.18 / Avg: 37.21 / Max: 37.24Min: 36.14 / Avg: 36.17 / Max: 36.21. (CC) gcc options: -m32 -O3 -fomit-frame-pointer -ffast-math -ltachyon -lm -lpthread

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 TimeGCC 4.6.3GCC 4.7.0LLVM-Clang 3.0LLVM-Clang 3.1 SVN306090120150SE +/- 12.48, N = 6SE +/- 3.00, N = 6SE +/- 3.60, N = 6SE +/- 4.36, N = 6139.0191.18118.20109.111. (CC) gcc options: -lm -lpthread -O3 -march=native
OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total TimeGCC 4.6.3GCC 4.7.0LLVM-Clang 3.0LLVM-Clang 3.1 SVN306090120150Min: 110.6 / Avg: 139.01 / Max: 198.02Min: 82.85 / Avg: 91.18 / Max: 102.16Min: 109.15 / Avg: 118.2 / Max: 128.93Min: 96.74 / Avg: 109.11 / Max: 125.151. (CC) gcc options: -lm -lpthread -O3 -march=native

TTSIOD 3D Renderer

OpenBenchmarking.orgFPS, More Is BetterTTSIOD 3D Renderer 2.2wPhong Rendering With Soft-Shadow MappingGCC 4.6.3GCC 4.7.01428425670SE +/- 0.04, N = 3SE +/- 0.12, N = 363.3259.501. (CXX) g++ options: -O3 -march=native -fomit-frame-pointer -ffast-math -mtune=native -flto -msse -mrecip -mfpmath=sse -msse2 -mssse3 -lSDL -lstdc++
OpenBenchmarking.orgFPS, More Is BetterTTSIOD 3D Renderer 2.2wPhong Rendering With Soft-Shadow MappingGCC 4.6.3GCC 4.7.01224364860Min: 63.25 / Avg: 63.32 / Max: 63.4Min: 59.35 / Avg: 59.5 / Max: 59.731. (CXX) g++ options: -O3 -march=native -fomit-frame-pointer -ffast-math -mtune=native -flto -msse -mrecip -mfpmath=sse -msse2 -mssse3 -lSDL -lstdc++

FFmpeg

OpenBenchmarking.orgSeconds, Fewer Is BetterFFmpeg 0.10AVI To NTSC VCDGCC 4.6.3GCC 4.7.0LLVM-Clang 3.1 SVN48121620SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.01, N = 315.8715.7316.091. (CC) gcc options: -lavdevice -lavfilter -lavformat -lavcodec -lswresample -lswscale -lavutil -ldl -lasound -lSDL -lm -pthread -lbz2
OpenBenchmarking.orgSeconds, Fewer Is BetterFFmpeg 0.10AVI To NTSC VCDGCC 4.6.3GCC 4.7.0LLVM-Clang 3.1 SVN48121620Min: 15.85 / Avg: 15.87 / Max: 15.89Min: 15.68 / Avg: 15.73 / Max: 15.76Min: 16.08 / Avg: 16.09 / Max: 16.11. (CC) gcc options: -lavdevice -lavfilter -lavformat -lavcodec -lswresample -lswscale -lavutil -ldl -lasound -lSDL -lm -pthread -lbz2

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 SamplesGCC 4.6.3GCC 4.7.0LLVM-Clang 3.0LLVM-Clang 3.1 SVN50100150200250SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.33, N = 3SE +/- 0.67, N = 369682342511. (CXX) g++ options: -fopenmp -O3 -march=native
OpenBenchmarking.orgSeconds, Fewer Is BetterSmallpt 1.0Global Illumination Renderer; 100 SamplesGCC 4.6.3GCC 4.7.0LLVM-Clang 3.0LLVM-Clang 3.1 SVN50100150200250Min: 69 / Avg: 69 / Max: 69Min: 68 / Avg: 68 / Max: 68Min: 233 / Avg: 233.67 / Max: 234Min: 250 / Avg: 251.33 / Max: 2521. (CXX) g++ options: -fopenmp -O3 -march=native

NGINX Benchmark

OpenBenchmarking.orgRequests Per Second, More Is BetterNGINX Benchmark 1.0.11Static Web Page ServingGCC 4.6.3GCC 4.7.0LLVM-Clang 3.0LLVM-Clang 3.1 SVN3K6K9K12K15KSE +/- 89.02, N = 3SE +/- 54.72, N = 3SE +/- 184.13, N = 3SE +/- 141.05, N = 315482.0814956.3015559.9615767.211. (CC) gcc options: -lpthread -lcrypt -lcrypto -lz
OpenBenchmarking.orgRequests Per Second, More Is BetterNGINX Benchmark 1.0.11Static Web Page ServingGCC 4.6.3GCC 4.7.0LLVM-Clang 3.0LLVM-Clang 3.1 SVN3K6K9K12K15KMin: 15339.22 / Avg: 15482.08 / Max: 15645.52Min: 14852.52 / Avg: 14956.3 / Max: 15038.26Min: 15245.02 / Avg: 15559.96 / Max: 15882.73Min: 15500.29 / Avg: 15767.21 / Max: 15979.761. (CC) gcc options: -lpthread -lcrypt -lcrypto -lz

Apache Benchmark

OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.2.21Static Web Page ServingGCC 4.6.3GCC 4.7.0LLVM-Clang 3.0LLVM-Clang 3.1 SVN3K6K9K12K15KSE +/- 14.58, N = 3SE +/- 59.62, N = 3SE +/- 62.06, N = 3SE +/- 131.26, N = 314290.9914322.0514867.1014834.661. (CC) gcc options: -pthread -O3 -march=native -lm -lexpat -lrt -lcrypt -lpthread -ldl
OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.2.21Static Web Page ServingGCC 4.6.3GCC 4.7.0LLVM-Clang 3.0LLVM-Clang 3.1 SVN3K6K9K12K15KMin: 14263.09 / Avg: 14290.99 / Max: 14312.3Min: 14215.84 / Avg: 14322.05 / Max: 14422.1Min: 14792.67 / Avg: 14867.1 / Max: 14990.33Min: 14580.12 / Avg: 14834.66 / Max: 15017.561. (CC) gcc options: -pthread -O3 -march=native -lm -lexpat -lrt -lcrypt -lpthread -ldl

OpenSSL

OpenBenchmarking.orgSigns Per Second, More Is BetterOpenSSL 1.0.0eRSA 4096-bit PerformanceGCC 4.6.3GCC 4.7.0LLVM-Clang 3.1 SVN1020304050SE +/- 0.10, N = 4SE +/- 0.03, N = 4SE +/- 0.05, N = 442.2342.0842.081. (CC) gcc options: -m64 -O3 -lssl -lcrypto -ldl
OpenBenchmarking.orgSigns Per Second, More Is BetterOpenSSL 1.0.0eRSA 4096-bit PerformanceGCC 4.6.3GCC 4.7.0LLVM-Clang 3.1 SVN918273645Min: 42 / Avg: 42.23 / Max: 42.4Min: 42 / Avg: 42.08 / Max: 42.1Min: 42 / Avg: 42.08 / Max: 42.21. (CC) gcc options: -m64 -O3 -lssl -lcrypto -ldl

PostgreSQL pgbench

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 8.4.11TPC-B Transactions Per SecondGCC 4.6.3GCC 4.7.0LLVM-Clang 3.1 SVN5001000150020002500SE +/- 12.24, N = 3SE +/- 10.83, N = 3SE +/- 16.75, N = 32375.182405.912426.911. (CC) gcc options: -O3 -march=native -fno-strict-aliasing -fwrapv -lpgport -lpq -lcrypt -ldl -lm
OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 8.4.11TPC-B Transactions Per SecondGCC 4.6.3GCC 4.7.0LLVM-Clang 3.1 SVN400800120016002000Min: 2350.78 / Avg: 2375.18 / Max: 2389.1Min: 2389.65 / Avg: 2405.91 / Max: 2426.44Min: 2406.29 / Avg: 2426.91 / Max: 2460.081. (CC) gcc options: -O3 -march=native -fno-strict-aliasing -fwrapv -lpgport -lpq -lcrypt -ldl -lm

BYTE Unix Benchmark

OpenBenchmarking.orgLPS, More Is BetterBYTE Unix Benchmark 3.6Computational Test: Dhrystone 2GCC 4.6.3GCC 4.7.04M8M12M16M20MSE +/- 36800.75, N = 3SE +/- 14064.68, N = 318737961.2718075520.171. (CC) gcc options: -O3 -march=native
OpenBenchmarking.orgLPS, More Is BetterBYTE Unix Benchmark 3.6Computational Test: Dhrystone 2GCC 4.6.3GCC 4.7.03M6M9M12M15MMin: 18688412 / Avg: 18737961.27 / Max: 18809869.1Min: 18051997.8 / Avg: 18075520.17 / Max: 18100640.61. (CC) gcc options: -O3 -march=native

Fhourstones

OpenBenchmarking.orgKpos / sec, More Is BetterFhourstones 3.1Complex Connect-4 SolvingGCC 4.6.3GCC 4.7.0LLVM-Clang 3.1 SVN2K4K6K8K10KSE +/- 22.37, N = 3SE +/- 5.11, N = 3SE +/- 5.30, N = 38643.408631.438551.901. (CC) gcc options: -O3
OpenBenchmarking.orgKpos / sec, More Is BetterFhourstones 3.1Complex Connect-4 SolvingGCC 4.6.3GCC 4.7.0LLVM-Clang 3.1 SVN15003000450060007500Min: 8608.7 / Avg: 8643.4 / Max: 8685.2Min: 8622.4 / Avg: 8631.43 / Max: 8640.1Min: 8541.5 / Avg: 8551.9 / Max: 8558.91. (CC) gcc options: -O3

GMPbench

OpenBenchmarking.orgGMPbench Score, More Is BetterGMPbench 0.2Total TimeGCC 4.6.3GCC 4.7.04008001200160020001739.001751.201. (CC) gcc options: -O3 -march=native

GCC 4.6.3

Processor: Intel Core i7 720Q @ 1.60GHz (8 Cores), Motherboard: LENOVO 4318CTO, Chipset: Intel Core DMI, Memory: 4096MB, Disk: 160GB INTEL SSDSA2M160, Graphics: NVIDIA Quadro FX 880M 1024MB (405/324MHz), Audio: Conexant CX20585, Network: Intel 82577LM Gigabit Connection + Intel Centrino Ultimate-N 6300

OS: Ubuntu 12.04, Kernel: 3.4.0-999-generic (x86_64), Desktop: Unity 5.10.0, Display Server: X Server 1.11.3, Display Driver: nouveau 0.0.16, OpenGL: 2.1 Mesa 8.0.2 Gallium 0.4, Compiler: GCC 4.6.3, File-System: ext4, Screen Resolution: 1600x900

Compiler Notes: --enable-checking=release --enable-languages=c,c++ --enable-lto
Processor Notes: Scaling Governor: ondemand
System Notes: Compiz was running on this system.

Testing initiated at 21 April 2012 06:56 by user phoronix.

GCC 4.7.0

Processor: Intel Core i7 720Q @ 1.60GHz (8 Cores), Motherboard: LENOVO 4318CTO, Chipset: Intel Core DMI, Memory: 4096MB, Disk: 160GB INTEL SSDSA2M160, Graphics: NVIDIA Quadro FX 880M 1024MB (405/324MHz), Audio: Conexant CX20585, Network: Intel 82577LM Gigabit Connection + Intel Centrino Ultimate-N 6300

OS: Ubuntu 12.04, Kernel: 3.4.0-999-generic (x86_64), Desktop: Unity 5.10.0, Display Server: X Server 1.11.3, Display Driver: nouveau 0.0.16, OpenGL: 2.1 Mesa 8.0.2 Gallium 0.4, Compiler: GCC 4.7.0, File-System: ext4, Screen Resolution: 1600x900

Compiler Notes: --enable-checking=release --enable-languages=c,c++ --enable-lto
Processor Notes: Scaling Governor: ondemand
System Notes: Compiz was running on this system.

Testing initiated at 21 April 2012 10:15 by user phoronix.

LLVM-Clang 3.0

Processor: Intel Core i7 720Q @ 1.60GHz (8 Cores), Motherboard: LENOVO 4318CTO, Chipset: Intel Core DMI, Memory: 4096MB, Disk: 160GB INTEL SSDSA2M160, Graphics: NVIDIA Quadro FX 880M 1024MB (405/324MHz), Audio: Conexant CX20585, Network: Intel 82577LM Gigabit Connection + Intel Centrino Ultimate-N 6300

OS: Ubuntu 12.04, Kernel: 3.4.0-999-generic (x86_64), Desktop: Unity 5.10.0, Display Server: X Server 1.11.3, Display Driver: nouveau 0.0.16, OpenGL: 2.1 Mesa 8.0.2 Gallium 0.4, Compiler: Clang 3.0 + LLVM 3.0, File-System: ext4, Screen Resolution: 1600x900

Compiler Notes: Optimized build; Built Apr 21 2012 (12:40:14); Host: x86_64-unknown-linux-gnu; Host CPU: corei7
Processor Notes: Scaling Governor: ondemand
System Notes: Compiz was running on this system.

Testing initiated at 21 April 2012 13:17 by user phoronix.

LLVM-Clang 3.1 SVN

Processor: Intel Core i7 720Q @ 1.60GHz (8 Cores), Motherboard: LENOVO 4318CTO, Chipset: Intel Core DMI, Memory: 4096MB, Disk: 160GB INTEL SSDSA2M160, Graphics: NVIDIA Quadro FX 880M 1024MB (405/324MHz), Audio: Conexant CX20585, Network: Intel 82577LM Gigabit Connection + Intel Centrino Ultimate-N 6300

OS: Ubuntu 12.04, Kernel: 3.4.0-999-generic (x86_64), Desktop: Unity 5.10.0, Display Server: X Server 1.11.3, Display Driver: nouveau 0.0.16, OpenGL: 2.1 Mesa 8.0.2 Gallium 0.4, Compiler: Clang 3.1 (SVN 155295) + LLVM 3.1svn, File-System: ext4, Screen Resolution: 1600x900

Compiler Notes: Optimized build; Built Apr 21 2012 (14:54:30); Default target: x86_64-unknown-linux-gnu; Host CPU: corei7
Processor Notes: Scaling Governor: ondemand
System Notes: Compiz was running on this system.

Testing initiated at 21 April 2012 15:42 by user phoronix.

Open64 5.0

Processor: Intel Core i7 720Q @ 1.60GHz (8 Cores), Motherboard: LENOVO 4318CTO, Chipset: Intel Core DMI, Memory: 4096MB, Disk: 160GB INTEL SSDSA2M160, Graphics: NVIDIA Quadro FX 880M 1024MB (405/324MHz), Audio: Conexant CX20585, Network: Intel 82577LM Gigabit Connection + Intel Centrino Ultimate-N 6300

OS: Ubuntu 12.04, Kernel: 3.4.0-999-generic (x86_64), Desktop: Unity 5.10.0, Display Server: X Server 1.11.3, Display Driver: nouveau 0.0.16, OpenGL: 2.1 Mesa 8.0.2 Gallium 0.4, Compiler: Open64 5.0, File-System: ext4, Screen Resolution: 1600x900

Processor Notes: Scaling Governor: ondemand
System Notes: Compiz was running on this system.

Testing initiated at 21 April 2012 18:11 by user phoronix.