GCC 4.8 Link-Time Optimization LTO

Prelimary test data for a future article.

HTML result view exported from: https://openbenchmarking.org/result/1302087-FO-GCC48LINK37&gru&sor.

ProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilerFile-SystemScreen ResolutionGCC 4.7.2GCC 4.8.0 Stock LTO Stock LTOIntel Core i7-3770K @ 3.50GHz (8 Cores)ECS Z77H2-A2X v1.0Intel Xeon E3-1200 v2/3rd8192MB60GB OCZ VERTEX2NVIDIA GeForce GTX 550 Ti 1024MB (405/324MHz)Realtek ALC892DELL P2210HRealtek RTL8111/8168B + Intel Centrino Advanced-N 6205Ubuntu 13.043.8.0-4-generic (x86_64)Unity 6.6.0X Server 1.13.2nouveau 1.0.63.0 Mesa 9.0.2 Gallium 0.4GCC 4.7ext41920x1080GCC 4.8.0 20130121OpenBenchmarking.orgCompiler Details- GCC 4.7.2: Stock: --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-multiarch --enable-nls --enable-objc-gc --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-multilib-list=m32,m64,mx32 --with-tune=generic -v - GCC 4.7.2: LTO: --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-multiarch --enable-nls --enable-objc-gc --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-multilib-list=m32,m64,mx32 --with-tune=generic -v - GCC 4.8.0: Stock: --build=x86_64-linux-gnu --disable-browser-plugin --disable-nls --disable-werror --enable-checking=yes --enable-clocale=gnu --enable-gnu-unique-object --enable-gtk-cairo --enable-java-awt=gtk --enable-java-home --enable-languages=c,ada,c++,java,go,fortran,objc,obj-c++ --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-objc-gc --enable-plugin --enable-shared --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-arch-directory=amd64 --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.8-snap-amd64/jre --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-snap-amd64 --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-snap-amd64 --with-multilib-list=m32,m64,mx32 --with-tune=generic -v - GCC 4.8.0: LTO: --build=x86_64-linux-gnu --disable-browser-plugin --disable-nls --disable-werror --enable-checking=yes --enable-clocale=gnu --enable-gnu-unique-object --enable-gtk-cairo --enable-java-awt=gtk --enable-java-home --enable-languages=c,ada,c++,java,go,fortran,objc,obj-c++ --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-objc-gc --enable-plugin --enable-shared --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-arch-directory=amd64 --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.8-snap-amd64/jre --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-snap-amd64 --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-snap-amd64 --with-multilib-list=m32,m64,mx32 --with-tune=generic -v Processor Details- Scaling Governor: ondemand

vpxenc: vpxencgmpbench: Total Timebyte: Dhrystone 2ffte: N=64, 1D Complex FFT Routinescimark2: Monte Carloscimark2: Fast Fourier Transformscimark2: Sparse Matrix Multiplyscimark2: Dense LU Matrix Factorizationscimark2: Jacobi Successive Over-Relaxationhimeno: Poisson Pressure Solvercompress-7zip: Compress Speed Testapache: Static Web Page Servingnpb: BT.Anpb: CG.Bnpb: EP.Bnpb: FT.Bnpb: IS.Cnpb: LU.Anpb: MG.Bnpb: SP.Anpb: UA.Ablake2: Phoronix Test Suite v4.4.0m2lammps: Rhodopsin Proteinrodinia: OpenMP LavaMDrodinia: OpenMP Leukocyterodinia: OpenMP CFD Solverrodinia: OpenMP Streamclusterhmmer: Pfam Database Searchmafft: Multiple Sequence Alignmentbuild-imagemagick: Time To Compilebuild-php: Time To Compilecompress-pbzip2: 256MB File Compressionsmallpt: Global Illumination Renderer; 100 Samplesbullet: Raytestsbullet: 3000 Fallbullet: 1000 Stackbullet: 1000 Convexbullet: 136 Ragdollsbullet: Prim Trimeshbullet: Convex Trimeshencode-mp3: WAV To MP3ffmpeg: H.264 HD To NTSC DVmencoder: AVI To LAVCminion: Gracefulminion: Solitaireminion: Quasigroupnero2d: Total Timetachyon: Total TimeGCC 4.7.2GCC 4.8.0 Stock LTO Stock LTO28.073583.5028580136.735838.22418.62344.672296.312410.551181.461676.542106429921.4213953.332919.03274.167686.09205.1314051.296062.566126.8145.055.3337.44100.0936.9788.5631.4610.125.9665.8227.328.09383.395.056.065.923.591.101.3813.5916.9720.5657.4774.60124.641104.0413.3027.973588.5039569578.135857.02419.02334.572277.202410.581180.321652.542170630778.2113991.072960.01275.037797.11205.1314113.386283.146190.8945.845.3237.4599.4336.5587.5430.9910.065.67135.51101.108.52383.465.296.326.033.771.151.4713.8816.8857.5974.62125.311064.0113.4527.103581.3030134631.905899.41555.98328.782220.192399.711180.321610.632089630794.7313935.872952.17258.857728.30205.6614146.776216.096119.6845.235.3136.08100.2437.3689.0931.3310.105.72250.4843.757.69383.314.995.895.773.601.081.3613.4516.8520.5959.2773.75124.031092.2913.0627.733572.3037703356.835890.24555.63339.222239.842405.141179.181709.872115830772.1413890.392882.45258.417669.98206.5013952.216189.046200.4144.555.3136.16100.0337.6689.5531.3610.045.53379.88101.717.75383.375.447.016.123.951.131.4413.6816.7459.1473.54123.4313.04OpenBenchmarking.org

VP8 libvpx Encoding

vpxenc

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgFrames Per Second, More Is BetterVP8 libvpx Encoding 1.1.0vpxencStockLTO714212835SE +/- 0.10, N = 3SE +/- 0.21, N = 3SE +/- 0.21, N = 3SE +/- 0.11, N = 328.0727.9727.7327.101. (CC) gcc options: -m64 -lvpx -lm -lpthread

GMPbench

Total Time

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgGMPbench Score, More Is BetterGMPbench 0.2Total TimeLTOStock80016002400320040003588.503583.503581.303572.301. (CC) gcc options: -O3 -march=native

BYTE Unix Benchmark

Computational Test: Dhrystone 2

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgLPS, More Is BetterBYTE Unix Benchmark 3.6Computational Test: Dhrystone 2LTOStock8M16M24M32M40MSE +/- 38182.82, N = 3SE +/- 8172.71, N = 3SE +/- 31887.76, N = 3SE +/- 6456.64, N = 339569578.1328580136.7337703356.8330134631.901. (CC) gcc options: -O3 -march=native

FFTE

Test: N=64, 1D Complex FFT Routine

GCC 4.8.0GCC 4.7.2OpenBenchmarking.orgMFLOPS, More Is BetterFFTE 5.0Test: N=64, 1D Complex FFT RoutineStockLTO13002600390052006500SE +/- 4.86, N = 3SE +/- 3.49, N = 3SE +/- 1.25, N = 3SE +/- 17.46, N = 35899.415890.245857.025838.221. (F9X) gfortran options: -O3 -fomit-frame-pointer -fopenmp -pthread -lmpi_f90 -lmpi_f77 -lmpi -lopen-rte -lopen-pal -ldl -lnsl -lutil -lm

SciMark

Computational Test: Monte Carlo

GCC 4.8.0GCC 4.7.2OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Monte CarloStockLTO120240360480600SE +/- 0.36, N = 4SE +/- 0.41, N = 4SE +/- 0.41, N = 4SE +/- 0.47, N = 4555.98555.63419.02418.62

SciMark

Computational Test: Fast Fourier Transform

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Fast Fourier TransformStockLTO70140210280350SE +/- 0.67, N = 4SE +/- 0.83, N = 4SE +/- 1.27, N = 4SE +/- 0.79, N = 4344.67334.57339.22328.78

SciMark

Computational Test: Sparse Matrix Multiply

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Sparse Matrix MultiplyStockLTO5001000150020002500SE +/- 4.06, N = 4SE +/- 6.54, N = 4SE +/- 6.76, N = 4SE +/- 10.04, N = 42296.312277.202239.842220.19

SciMark

Computational Test: Dense LU Matrix Factorization

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Dense LU Matrix FactorizationLTOStock5001000150020002500SE +/- 5.23, N = 4SE +/- 2.72, N = 4SE +/- 5.18, N = 4SE +/- 2.69, N = 42410.582410.552405.142399.71

SciMark

Computational Test: Jacobi Successive Over-Relaxation

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Jacobi Successive Over-RelaxationStockLTO30060090012001500SE +/- 1.31, N = 4SE +/- 1.14, N = 4SE +/- 1.14, N = 4SE +/- 0.00, N = 41181.461180.321180.321179.18

Himeno Benchmark

Poisson Pressure Solver

GCC 4.8.0GCC 4.7.2OpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure SolverLTOStock400800120016002000SE +/- 2.42, N = 3SE +/- 2.92, N = 3SE +/- 32.51, N = 3SE +/- 1.96, N = 31709.871610.631676.541652.541. (CC) gcc options: -O3 -march=native

7-Zip Compression

Compress Speed Test

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgMIPS, More Is Better7-Zip Compression 9.20.1Compress Speed TestLTOStock5K10K15K20K25KSE +/- 337.80, N = 3SE +/- 280.19, N = 6SE +/- 100.21, N = 3SE +/- 219.82, N = 3217062106421158208961. (CXX) g++ options: -pipe -lpthread

Apache Benchmark

Static Web Page Serving

GCC 4.8.0GCC 4.7.2OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.4.3Static Web Page ServingStockLTO7K14K21K28K35KSE +/- 70.91, N = 3SE +/- 58.97, N = 3SE +/- 166.35, N = 3SE +/- 459.35, N = 330794.7330772.1430778.2129921.421. (CC) gcc options: -shared -fPIC -pthread -O3 -march=native

NAS Parallel Benchmarks

Test / Class: BT.A

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgTotal Mop/s, More Is BetterNAS Parallel Benchmarks 3.3Test / Class: BT.ALTOStock3K6K9K12K15KSE +/- 16.97, N = 3SE +/- 24.59, N = 3SE +/- 28.82, N = 3SE +/- 45.52, N = 313991.0713953.3313935.8713890.391. (F9X) gfortran options: -fopenmp

NAS Parallel Benchmarks

Test / Class: CG.B

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgTotal Mop/s, More Is BetterNAS Parallel Benchmarks 3.3Test / Class: CG.BLTOStock6001200180024003000SE +/- 3.33, N = 3SE +/- 11.06, N = 3SE +/- 2.35, N = 3SE +/- 4.24, N = 32960.012919.032952.172882.451. (F9X) gfortran options: -fopenmp

NAS Parallel Benchmarks

Test / Class: EP.B

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgTotal Mop/s, More Is BetterNAS Parallel Benchmarks 3.3Test / Class: EP.BLTOStock60120180240300SE +/- 0.88, N = 3SE +/- 0.59, N = 3SE +/- 0.21, N = 3SE +/- 0.28, N = 3275.03274.16258.85258.411. (F9X) gfortran options: -fopenmp

NAS Parallel Benchmarks

Test / Class: FT.B

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgTotal Mop/s, More Is BetterNAS Parallel Benchmarks 3.3Test / Class: FT.BLTOStock2K4K6K8K10KSE +/- 5.22, N = 3SE +/- 12.78, N = 3SE +/- 4.07, N = 3SE +/- 15.64, N = 37797.117686.097728.307669.981. (F9X) gfortran options: -fopenmp

NAS Parallel Benchmarks

Test / Class: IS.C

GCC 4.8.0GCC 4.7.2OpenBenchmarking.orgTotal Mop/s, More Is BetterNAS Parallel Benchmarks 3.3Test / Class: IS.CLTOStock50100150200250SE +/- 0.14, N = 3SE +/- 0.66, N = 3SE +/- 0.56, N = 3SE +/- 0.76, N = 3206.50205.66205.13205.131. (F9X) gfortran options: -fopenmp

NAS Parallel Benchmarks

Test / Class: LU.A

GCC 4.8.0GCC 4.7.2OpenBenchmarking.orgTotal Mop/s, More Is BetterNAS Parallel Benchmarks 3.3Test / Class: LU.AStockLTO3K6K9K12K15KSE +/- 47.45, N = 3SE +/- 102.43, N = 3SE +/- 9.98, N = 3SE +/- 36.19, N = 314146.7713952.2114113.3814051.291. (F9X) gfortran options: -fopenmp

NAS Parallel Benchmarks

Test / Class: MG.B

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgTotal Mop/s, More Is BetterNAS Parallel Benchmarks 3.3Test / Class: MG.BLTOStock13002600390052006500SE +/- 5.66, N = 3SE +/- 88.03, N = 4SE +/- 3.02, N = 3SE +/- 3.72, N = 36283.146062.566216.096189.041. (F9X) gfortran options: -fopenmp

NAS Parallel Benchmarks

Test / Class: SP.A

GCC 4.8.0GCC 4.7.2OpenBenchmarking.orgTotal Mop/s, More Is BetterNAS Parallel Benchmarks 3.3Test / Class: SP.ALTOStock13002600390052006500SE +/- 50.41, N = 3SE +/- 38.40, N = 3SE +/- 17.16, N = 3SE +/- 18.11, N = 36200.416119.686190.896126.811. (F9X) gfortran options: -fopenmp

NAS Parallel Benchmarks

Test / Class: UA.A

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgTotal Mop/s, More Is BetterNAS Parallel Benchmarks 3.3Test / Class: UA.ALTOStock1020304050SE +/- 0.12, N = 3SE +/- 0.50, N = 3SE +/- 0.37, N = 3SE +/- 0.24, N = 345.8445.0545.2344.551. (F9X) gfortran options: -fopenmp

BLAKE2

Phoronix Test Suite v4.4.0m2

GCC 4.8.0GCC 4.7.2OpenBenchmarking.orgCycles Per Byte, Fewer Is BetterBLAKE2 20121223Phoronix Test Suite v4.4.0m2StockLTO1.19932.39863.59794.79725.9965SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 35.315.315.325.331. (CC) gcc options: -std=gnu99 -O3 -march=native

LAMMPS Molecular Dynamics Simulator

Test: Rhodopsin Protein

GCC 4.8.0GCC 4.7.2OpenBenchmarking.orgLoop Time, Fewer Is BetterLAMMPS Molecular Dynamics Simulator 1.0Test: Rhodopsin ProteinStockLTO918273645SE +/- 0.04, N = 3SE +/- 0.05, N = 3SE +/- 0.04, N = 3SE +/- 0.07, N = 336.0836.1637.4437.451. (CXX) g++ options: -lfftw -lmpich

Rodinia

Test: OpenMP LavaMD

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgSeconds, Fewer Is BetterRodinia 2.2Test: OpenMP LavaMDLTOStock20406080100SE +/- 0.16, N = 3SE +/- 0.32, N = 3SE +/- 0.06, N = 3SE +/- 0.27, N = 399.43100.09100.03100.241. (CXX) g++ options: -O3 -fopenmp

Rodinia

Test: OpenMP Leukocyte

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgSeconds, Fewer Is BetterRodinia 2.2Test: OpenMP LeukocyteLTOStock918273645SE +/- 0.28, N = 3SE +/- 0.23, N = 3SE +/- 0.15, N = 3SE +/- 0.35, N = 336.5536.9737.3637.661. (CXX) g++ options: -O3 -fopenmp

Rodinia

Test: OpenMP CFD Solver

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgSeconds, Fewer Is BetterRodinia 2.2Test: OpenMP CFD SolverLTOStock20406080100SE +/- 0.07, N = 3SE +/- 0.13, N = 3SE +/- 0.14, N = 3SE +/- 0.15, N = 387.5488.5689.0989.551. (CXX) g++ options: -O3 -fopenmp

Rodinia

Test: OpenMP Streamcluster

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgSeconds, Fewer Is BetterRodinia 2.2Test: OpenMP StreamclusterLTOStock714212835SE +/- 0.06, N = 3SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 330.9931.4631.3331.361. (CXX) g++ options: -O3 -fopenmp

Timed HMMer Search

Pfam Database Search

GCC 4.8.0GCC 4.7.2OpenBenchmarking.orgSeconds, Fewer Is BetterTimed HMMer Search 2.3.2Pfam Database SearchLTOStock3691215SE +/- 0.01, N = 3SE +/- 0.03, N = 3SE +/- 0.02, N = 3SE +/- 0.01, N = 310.0410.1010.0610.121. (CC) gcc options: -O3 -march=native -pthread -lhmmer -lsquid -lm

Timed MAFFT Alignment

Multiple Sequence Alignment

GCC 4.8.0GCC 4.7.2OpenBenchmarking.orgSeconds, Fewer Is BetterTimed MAFFT Alignment 6.864Multiple Sequence AlignmentLTOStock1.3412.6824.0235.3646.705SE +/- 0.16, N = 6SE +/- 0.11, N = 6SE +/- 0.11, N = 3SE +/- 0.25, N = 65.535.725.675.961. (CC) gcc options: -O3 -lm -lpthread

Timed ImageMagick Compilation

Time To Compile

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgSeconds, Fewer Is BetterTimed ImageMagick Compilation 6.8.1-10Time To CompileStockLTO80160240320400SE +/- 0.05, N = 3SE +/- 0.21, N = 3SE +/- 0.12, N = 3SE +/- 0.65, N = 365.82135.51250.48379.88

Timed PHP Compilation

Time To Compile

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgSeconds, Fewer Is BetterTimed PHP Compilation 5.2.9Time To CompileStockLTO20406080100SE +/- 0.03, N = 3SE +/- 0.07, N = 3SE +/- 0.10, N = 3SE +/- 0.39, N = 327.32101.1043.75101.711. (CC) gcc options: -O3 -march=native -pedantic -ldl -lpthread -lz -lm

Parallel BZIP2 Compression

256MB File Compression

GCC 4.8.0GCC 4.7.2OpenBenchmarking.orgSeconds, Fewer Is BetterParallel BZIP2 Compression 1.1.6256MB File CompressionStockLTO246810SE +/- 0.14, N = 3SE +/- 0.11, N = 3SE +/- 0.16, N = 6SE +/- 0.08, N = 37.697.758.098.521. (CXX) g++ options: -O2 -pthread -lbz2 -lpthread

Smallpt

Global Illumination Renderer; 100 Samples

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgSeconds, Fewer Is BetterSmallpt 1.0Global Illumination Renderer; 100 SamplesStockLTO918273645SE +/- 0.00, N = 3SE +/- 0.33, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3383838381. (CXX) g++ options: -fopenmp -O3 -march=native

Bullet Physics Engine

Test: Raytests

GCC 4.8.0GCC 4.7.2OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: RaytestsStockLTO0.77851.5572.33553.1143.8925SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 33.313.373.393.461. (CXX) g++ options: -O3 -march=native -rdynamic -lglut -lGL -lGLU

Bullet Physics Engine

Test: 3000 Fall

GCC 4.8.0GCC 4.7.2OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 3000 FallStockLTO1.2242.4483.6724.8966.12SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 34.995.445.055.291. (CXX) g++ options: -O3 -march=native -rdynamic -lglut -lGL -lGLU

Bullet Physics Engine

Test: 1000 Stack

GCC 4.8.0GCC 4.7.2OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 1000 StackStockLTO246810SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.01, N = 35.897.016.066.321. (CXX) g++ options: -O3 -march=native -rdynamic -lglut -lGL -lGLU

Bullet Physics Engine

Test: 1000 Convex

GCC 4.8.0GCC 4.7.2OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 1000 ConvexStockLTO246810SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 35.776.125.926.031. (CXX) g++ options: -O3 -march=native -rdynamic -lglut -lGL -lGLU

Bullet Physics Engine

Test: 136 Ragdolls

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 136 RagdollsStockLTO0.88881.77762.66643.55524.444SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 33.593.773.603.951. (CXX) g++ options: -O3 -march=native -rdynamic -lglut -lGL -lGLU

Bullet Physics Engine

Test: Prim Trimesh

GCC 4.8.0GCC 4.7.2OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: Prim TrimeshStockLTO0.25880.51760.77641.03521.294SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 31.081.131.101.151. (CXX) g++ options: -O3 -march=native -rdynamic -lglut -lGL -lGLU

Bullet Physics Engine

Test: Convex Trimesh

GCC 4.8.0GCC 4.7.2OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: Convex TrimeshStockLTO0.33080.66160.99241.32321.654SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 31.361.441.381.471. (CXX) g++ options: -O3 -march=native -rdynamic -lglut -lGL -lGLU

LAME MP3 Encoding

WAV To MP3

GCC 4.8.0GCC 4.7.2OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.99.3WAV To MP3StockLTO48121620SE +/- 0.04, N = 5SE +/- 0.04, N = 5SE +/- 0.01, N = 5SE +/- 0.00, N = 513.4513.6813.5913.88

FFmpeg

H.264 HD To NTSC DV

GCC 4.8.0GCC 4.7.2OpenBenchmarking.orgSeconds, Fewer Is BetterFFmpeg 1.1H.264 HD To NTSC DVLTOStock48121620SE +/- 0.06, N = 3SE +/- 0.12, N = 3SE +/- 0.27, N = 3SE +/- 0.12, N = 316.7416.8516.8816.971. (CC) gcc options: -lavdevice -lavfilter -lavformat -lavcodec -lswresample -lswscale -lavutil -ldl -lasound -lSDL -lm -pthread -lbz2

Mencoder

AVI To LAVC

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgSeconds, Fewer Is BetterMencoder 1.1AVI To LAVCStock510152025SE +/- 0.02, N = 3SE +/- 0.13, N = 320.5620.591. (CC) gcc options: -lm -lpng -lz -lasound -ldl -lpthread -lmad -rdynamic -lXext -lX11 -lXxf86vm -lcaca -lSDL -lGL -lpulse

Minion

Benchmark: Graceful

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgSeconds, Fewer Is BetterMinion 0.15Benchmark: GracefulStockLTO1326395265SE +/- 0.14, N = 3SE +/- 0.14, N = 3SE +/- 0.07, N = 3SE +/- 0.22, N = 357.4757.5959.1459.271. (CXX) g++ options: -O3 -fomit-frame-pointer -rdynamic -lboost_iostreams-mt -lz -lbz2

Minion

Benchmark: Solitaire

GCC 4.8.0GCC 4.7.2OpenBenchmarking.orgSeconds, Fewer Is BetterMinion 0.15Benchmark: SolitaireLTOStock20406080100SE +/- 0.03, N = 3SE +/- 0.33, N = 3SE +/- 0.26, N = 3SE +/- 0.18, N = 373.5473.7574.6074.621. (CXX) g++ options: -O3 -fomit-frame-pointer -rdynamic -lboost_iostreams-mt -lz -lbz2

Minion

Benchmark: Quasigroup

GCC 4.8.0GCC 4.7.2OpenBenchmarking.orgSeconds, Fewer Is BetterMinion 0.15Benchmark: QuasigroupLTOStock306090120150SE +/- 0.20, N = 3SE +/- 0.23, N = 3SE +/- 0.33, N = 3SE +/- 0.39, N = 3123.43124.03124.64125.311. (CXX) g++ options: -O3 -fomit-frame-pointer -rdynamic -lboost_iostreams-mt -lz -lbz2

Open FMM Nero2D

Total Time

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgSeconds, Fewer Is BetterOpen FMM Nero2D 2.0.2Total TimeLTOStock20040060080010001064.011104.041092.291. (CXX) g++ options: -O3 -march=native -lfftw3 -llapack -lblas -lgfortran -lquadmath -lm

Tachyon

Total Time

GCC 4.8.0GCC 4.7.2OpenBenchmarking.orgSeconds, Fewer Is BetterTachyon 0.98.9Total TimeLTOStock3691215SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.02, N = 3SE +/- 0.18, N = 313.0413.0613.3013.451. (CC) gcc options: -m32 -O3 -fomit-frame-pointer -ffast-math -ltachyon -lm -lpthread

Phoronix Test Suite v10.8.5