GCC 4.8 Link-Time Optimization LTO

Prelimary test data for a future article.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 1302087-FO-GCC48LINK37
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GCC 4.7.2: Stock
February 08 2013
 
GCC 4.7.2: LTO
February 08 2013
 
GCC 4.8.0: Stock
February 07 2013
 
GCC 4.8.0: LTO
February 07 2013
 
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GCC 4.8.0: Stock

Compiler Notes: --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 Notes: Scaling Governor: ondemand

GCC 4.8.0: LTO

Processor: Intel Core i7-3770K @ 3.50GHz (8 Cores), Motherboard: ECS Z77H2-A2X v1.0, Chipset: Intel Xeon E3-1200 v2/3rd, Memory: 8192MB, Disk: 60GB OCZ VERTEX2, Graphics: NVIDIA GeForce GTX 550 Ti 1024MB (405/324MHz), Audio: Realtek ALC892, Monitor: DELL P2210H, Network: Realtek RTL8111/8168B + Intel Centrino Advanced-N 6205

OS: Ubuntu 13.04, Kernel: 3.8.0-4-generic (x86_64), Desktop: Unity 6.6.0, Display Server: X Server 1.13.2, Display Driver: nouveau 1.0.6, OpenGL: 3.0 Mesa 9.0.2 Gallium 0.4, Compiler: GCC 4.8.0 20130121, File-System: ext4, Screen Resolution: 1920x1080

GCC 4.7.2: Stock

Compiler Notes: --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
Processor Notes: Scaling Governor: ondemand

GCC 4.7.2: LTO

OS: Ubuntu 13.04, Kernel: 3.8.0-4-generic (x86_64), Desktop: Unity 6.6.0, Display Server: X Server 1.13.2, Display Driver: nouveau 1.0.6, OpenGL: 3.0 Mesa 9.0.2 Gallium 0.4, Compiler: GCC 4.7, File-System: ext4, Screen Resolution: 1920x1080

GCC 4.8 Link-Time Optimization LTOOpenBenchmarking.orgPhoronix Test SuiteIntel 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 4.8.0 20130121GCC 4.7ext41920x1080ProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilersFile-SystemScreen ResolutionGCC 4.8 Link-Time Optimization LTO BenchmarksSystem Logs- 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 - 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 - Scaling Governor: ondemand

rodinia: OpenMP LavaMDrodinia: OpenMP Leukocyterodinia: OpenMP CFD Solverrodinia: OpenMP Streamclusternpb: BT.Anpb: CG.Bnpb: EP.Bnpb: FT.Bnpb: IS.Cnpb: LU.Anpb: MG.Bnpb: SP.Anpb: UA.Alammps: Rhodopsin Proteinffte: N=64, 1D Complex FFT Routinehmmer: Pfam Database Searchmafft: Multiple Sequence Alignmentblake2: Phoronix Test Suite v4.4.0m2gmpbench: Total Timebyte: Dhrystone 2scimark2: Monte Carloscimark2: Fast Fourier Transformscimark2: Sparse Matrix Multiplyscimark2: Dense LU Matrix Factorizationscimark2: Jacobi Successive Over-Relaxationvpxenc: vpxenchimeno: Poisson Pressure Solvercompress-7zip: Compress Speed Testbuild-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 Timeapache: Static Web Page ServingGCC 4.8.0GCC 4.7.2 Stock LTO Stock LTO100.2437.3689.0931.3313935.872952.17258.857728.30205.6614146.776216.096119.6845.2336.085899.4110.105.725.313581.3030134631.90555.98328.782220.192399.711180.3227.101610.6320896250.4843.757.69383.314.995.895.773.601.081.3613.4516.8520.5959.2773.75124.031092.2913.0630794.73100.0337.6689.5531.3613890.392882.45258.417669.98206.5013952.216189.046200.4144.5536.165890.2410.045.535.313572.3037703356.83555.63339.222239.842405.141179.1827.731709.8721158379.88101.717.75383.375.447.016.123.951.131.4413.6816.7459.1473.54123.4313.0430772.14100.0936.9788.5631.4613953.332919.03274.167686.09205.1314051.296062.566126.8145.0537.445838.2210.125.965.333583.5028580136.73418.62344.672296.312410.551181.4628.071676.542106465.8227.328.09383.395.056.065.923.591.101.3813.5916.9720.5657.4774.60124.641104.0413.3029921.4299.4336.5587.5430.9913991.072960.01275.037797.11205.1314113.386283.146190.8945.8437.455857.0210.065.675.323588.5039569578.13419.02334.572277.202410.581180.3227.971652.5421706135.51101.108.52383.465.296.326.033.771.151.4713.8816.8857.5974.62125.311064.0113.4530778.21OpenBenchmarking.org

Rodinia

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

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgSeconds, Fewer Is BetterRodinia 2.2Test: OpenMP LeukocyteLTOStock918273645SE +/- 0.28, N = 3SE +/- 0.23, N = 3SE +/- 0.35, N = 3SE +/- 0.15, N = 336.5536.9737.6637.361. (CXX) g++ options: -O3 -fopenmp

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgSeconds, Fewer Is BetterRodinia 2.2Test: OpenMP CFD SolverLTOStock20406080100SE +/- 0.07, N = 3SE +/- 0.13, N = 3SE +/- 0.15, N = 3SE +/- 0.14, N = 387.5488.5689.5589.091. (CXX) g++ options: -O3 -fopenmp

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgSeconds, Fewer Is BetterRodinia 2.2Test: OpenMP StreamclusterLTOStock714212835SE +/- 0.06, N = 3SE +/- 0.02, N = 3SE +/- 0.02, N = 3SE +/- 0.01, N = 330.9931.4631.3631.331. (CXX) g++ options: -O3 -fopenmp

NAS Parallel Benchmarks

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 +/- 45.52, N = 3SE +/- 28.82, N = 313991.0713953.3313890.3913935.871. (F9X) gfortran options: -fopenmp

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 +/- 4.24, N = 3SE +/- 2.35, N = 32960.012919.032882.452952.171. (F9X) gfortran options: -fopenmp

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 +/- 0.28, N = 3SE +/- 0.21, N = 3275.03274.16258.41258.851. (F9X) gfortran options: -fopenmp

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 +/- 15.64, N = 3SE +/- 4.07, N = 37797.117686.097669.987728.301. (F9X) gfortran options: -fopenmp

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgTotal Mop/s, More Is BetterNAS Parallel Benchmarks 3.3Test / Class: IS.CLTOStock50100150200250SE +/- 0.56, N = 3SE +/- 0.76, N = 3SE +/- 0.14, N = 3SE +/- 0.66, N = 3205.13205.13206.50205.661. (F9X) gfortran options: -fopenmp

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgTotal Mop/s, More Is BetterNAS Parallel Benchmarks 3.3Test / Class: LU.ALTOStock3K6K9K12K15KSE +/- 9.98, N = 3SE +/- 36.19, N = 3SE +/- 102.43, N = 3SE +/- 47.45, N = 314113.3814051.2913952.2114146.771. (F9X) gfortran options: -fopenmp

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 +/- 3.72, N = 3SE +/- 3.02, N = 36283.146062.566189.046216.091. (F9X) gfortran options: -fopenmp

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgTotal Mop/s, More Is BetterNAS Parallel Benchmarks 3.3Test / Class: SP.ALTOStock13002600390052006500SE +/- 17.16, N = 3SE +/- 18.11, N = 3SE +/- 50.41, N = 3SE +/- 38.40, N = 36190.896126.816200.416119.681. (F9X) gfortran options: -fopenmp

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 +/- 0.24, N = 3SE +/- 0.37, N = 345.8445.0544.5545.231. (F9X) gfortran options: -fopenmp

LAMMPS Molecular Dynamics Simulator

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgLoop Time, Fewer Is BetterLAMMPS Molecular Dynamics Simulator 1.0Test: Rhodopsin ProteinLTOStock918273645SE +/- 0.07, N = 3SE +/- 0.04, N = 3SE +/- 0.05, N = 3SE +/- 0.04, N = 337.4537.4436.1636.081. (CXX) g++ options: -lfftw -lmpich

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.

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgMFLOPS, More Is BetterFFTE 5.0Test: N=64, 1D Complex FFT RoutineLTOStock13002600390052006500SE +/- 1.25, N = 3SE +/- 17.46, N = 3SE +/- 3.49, N = 3SE +/- 4.86, N = 35857.025838.225890.245899.411. (F9X) gfortran options: -O3 -fomit-frame-pointer -fopenmp -pthread -lmpi_f90 -lmpi_f77 -lmpi -lopen-rte -lopen-pal -ldl -lnsl -lutil -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.

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgSeconds, Fewer Is BetterTimed HMMer Search 2.3.2Pfam Database SearchLTOStock3691215SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.03, N = 310.0610.1210.0410.101. (CC) gcc options: -O3 -march=native -pthread -lhmmer -lsquid -lm

Timed MAFFT Alignment

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgSeconds, Fewer Is BetterTimed MAFFT Alignment 6.864Multiple Sequence AlignmentLTOStock1.3412.6824.0235.3646.705SE +/- 0.11, N = 3SE +/- 0.25, N = 6SE +/- 0.16, N = 6SE +/- 0.11, N = 65.675.965.535.721. (CC) gcc options: -O3 -lm -lpthread

BLAKE2

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgCycles Per Byte, Fewer Is BetterBLAKE2 20121223Phoronix Test Suite v4.4.0m2LTOStock1.19932.39863.59794.79725.9965SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 35.325.335.315.311. (CC) gcc options: -std=gnu99 -O3 -march=native

GMPbench

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgGMPbench Score, More Is BetterGMPbench 0.2Total TimeLTOStock80016002400320040003588.503583.503572.303581.301. (CC) gcc options: -O3 -march=native

BYTE Unix Benchmark

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

SciMark

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Monte CarloLTOStock120240360480600SE +/- 0.41, N = 4SE +/- 0.47, N = 4SE +/- 0.41, N = 4SE +/- 0.36, N = 4419.02418.62555.63555.98

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Fast Fourier TransformLTOStock70140210280350SE +/- 0.83, N = 4SE +/- 0.67, N = 4SE +/- 1.27, N = 4SE +/- 0.79, N = 4334.57344.67339.22328.78

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Sparse Matrix MultiplyLTOStock5001000150020002500SE +/- 6.54, N = 4SE +/- 4.06, N = 4SE +/- 6.76, N = 4SE +/- 10.04, N = 42277.202296.312239.842220.19

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

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Jacobi Successive Over-RelaxationLTOStock30060090012001500SE +/- 1.14, N = 4SE +/- 1.31, N = 4SE +/- 0.00, N = 4SE +/- 1.14, N = 41180.321181.461179.181180.32

VP8 libvpx Encoding

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgFrames Per Second, More Is BetterVP8 libvpx Encoding 1.1.0vpxencLTOStock714212835SE +/- 0.21, N = 3SE +/- 0.10, N = 3SE +/- 0.21, N = 3SE +/- 0.11, N = 327.9728.0727.7327.101. (CC) gcc options: -m64 -lvpx -lm -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.

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure SolverLTOStock400800120016002000SE +/- 1.96, N = 3SE +/- 32.51, N = 3SE +/- 2.42, N = 3SE +/- 2.92, N = 31652.541676.541709.871610.631. (CC) gcc options: -O3 -march=native

7-Zip Compression

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

Timed ImageMagick Compilation

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgSeconds, Fewer Is BetterTimed ImageMagick Compilation 6.8.1-10Time To CompileLTOStock80160240320400SE +/- 0.21, N = 3SE +/- 0.05, N = 3SE +/- 0.65, N = 3SE +/- 0.12, N = 3135.5165.82379.88250.48

Timed PHP Compilation

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgSeconds, Fewer Is BetterTimed PHP Compilation 5.2.9Time To CompileLTOStock20406080100SE +/- 0.07, N = 3SE +/- 0.03, N = 3SE +/- 0.39, N = 3SE +/- 0.10, N = 3101.1027.32101.7143.751. (CC) gcc options: -O3 -march=native -pedantic -ldl -lpthread -lz -lm

Parallel BZIP2 Compression

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgSeconds, Fewer Is BetterParallel BZIP2 Compression 1.1.6256MB File CompressionLTOStock246810SE +/- 0.08, N = 3SE +/- 0.16, N = 6SE +/- 0.11, N = 3SE +/- 0.14, N = 38.528.097.757.691. (CXX) g++ options: -O2 -pthread -lbz2 -lpthread

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.

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgSeconds, Fewer Is BetterSmallpt 1.0Global Illumination Renderer; 100 SamplesLTOStock918273645SE +/- 0.33, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3383838381. (CXX) g++ options: -fopenmp -O3 -march=native

Bullet Physics Engine

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: RaytestsLTOStock0.77851.5572.33553.1143.8925SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 33.463.393.373.311. (CXX) g++ options: -O3 -march=native -rdynamic -lglut -lGL -lGLU

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 3000 FallLTOStock1.2242.4483.6724.8966.12SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 35.295.055.444.991. (CXX) g++ options: -O3 -march=native -rdynamic -lglut -lGL -lGLU

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 1000 StackLTOStock246810SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 36.326.067.015.891. (CXX) g++ options: -O3 -march=native -rdynamic -lglut -lGL -lGLU

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 1000 ConvexLTOStock246810SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 36.035.926.125.771. (CXX) g++ options: -O3 -march=native -rdynamic -lglut -lGL -lGLU

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 136 RagdollsLTOStock0.88881.77762.66643.55524.444SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 33.773.593.953.601. (CXX) g++ options: -O3 -march=native -rdynamic -lglut -lGL -lGLU

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: Prim TrimeshLTOStock0.25880.51760.77641.03521.294SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 31.151.101.131.081. (CXX) g++ options: -O3 -march=native -rdynamic -lglut -lGL -lGLU

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: Convex TrimeshLTOStock0.33080.66160.99241.32321.654SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 31.471.381.441.361. (CXX) g++ options: -O3 -march=native -rdynamic -lglut -lGL -lGLU

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.

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.99.3WAV To MP3LTOStock48121620SE +/- 0.00, N = 5SE +/- 0.01, N = 5SE +/- 0.04, N = 5SE +/- 0.04, N = 513.8813.5913.6813.45

FFmpeg

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgSeconds, Fewer Is BetterFFmpeg 1.1H.264 HD To NTSC DVLTOStock48121620SE +/- 0.27, N = 3SE +/- 0.12, N = 3SE +/- 0.06, N = 3SE +/- 0.12, N = 316.8816.9716.7416.851. (CC) gcc options: -lavdevice -lavfilter -lavformat -lavcodec -lswresample -lswscale -lavutil -ldl -lasound -lSDL -lm -pthread -lbz2

Mencoder

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

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgSeconds, Fewer Is BetterMinion 0.15Benchmark: GracefulLTOStock1326395265SE +/- 0.14, N = 3SE +/- 0.14, N = 3SE +/- 0.07, N = 3SE +/- 0.22, N = 357.5957.4759.1459.271. (CXX) g++ options: -O3 -fomit-frame-pointer -rdynamic -lboost_iostreams-mt -lz -lbz2

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgSeconds, Fewer Is BetterMinion 0.15Benchmark: SolitaireLTOStock20406080100SE +/- 0.18, N = 3SE +/- 0.26, N = 3SE +/- 0.03, N = 3SE +/- 0.33, N = 374.6274.6073.5473.751. (CXX) g++ options: -O3 -fomit-frame-pointer -rdynamic -lboost_iostreams-mt -lz -lbz2

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgSeconds, Fewer Is BetterMinion 0.15Benchmark: QuasigroupLTOStock306090120150SE +/- 0.39, N = 3SE +/- 0.33, N = 3SE +/- 0.20, N = 3SE +/- 0.23, N = 3125.31124.64123.43124.031. (CXX) g++ options: -O3 -fomit-frame-pointer -rdynamic -lboost_iostreams-mt -lz -lbz2

Open FMM Nero2D

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

This is a test of the threaded Tachyon, a parallel ray-tracing system. Learn more via the OpenBenchmarking.org test page.

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgSeconds, Fewer Is BetterTachyon 0.98.9Total TimeLTOStock3691215SE +/- 0.18, N = 3SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 313.4513.3013.0413.061. (CC) gcc options: -m32 -O3 -fomit-frame-pointer -ffast-math -ltachyon -lm -lpthread

Apache Benchmark

GCC 4.7.2GCC 4.8.0OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.4.3Static Web Page ServingLTOStock7K14K21K28K35KSE +/- 166.35, N = 3SE +/- 459.35, N = 3SE +/- 58.97, N = 3SE +/- 70.91, N = 330778.2129921.4230772.1430794.731. (CC) gcc options: -shared -fPIC -pthread -O3 -march=native

GCC 4.8.0: Stock

Compiler Notes: --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 Notes: Scaling Governor: ondemand

Testing initiated at 7 February 2013 14:05 by user phoronix.

GCC 4.8.0: LTO

Processor: Intel Core i7-3770K @ 3.50GHz (8 Cores), Motherboard: ECS Z77H2-A2X v1.0, Chipset: Intel Xeon E3-1200 v2/3rd, Memory: 8192MB, Disk: 60GB OCZ VERTEX2, Graphics: NVIDIA GeForce GTX 550 Ti 1024MB (405/324MHz), Audio: Realtek ALC892, Monitor: DELL P2210H, Network: Realtek RTL8111/8168B + Intel Centrino Advanced-N 6205

OS: Ubuntu 13.04, Kernel: 3.8.0-4-generic (x86_64), Desktop: Unity 6.6.0, Display Server: X Server 1.13.2, Display Driver: nouveau 1.0.6, OpenGL: 3.0 Mesa 9.0.2 Gallium 0.4, Compiler: GCC 4.8.0 20130121, File-System: ext4, Screen Resolution: 1920x1080

Compiler Notes: --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 Notes: Scaling Governor: ondemand

Testing initiated at 7 February 2013 16:44 by user phoronix.

GCC 4.7.2: Stock

Compiler Notes: --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
Processor Notes: Scaling Governor: ondemand

Testing initiated at 8 February 2013 13:37 by user phoronix.

GCC 4.7.2: LTO

Processor: Intel Core i7-3770K @ 3.50GHz (8 Cores), Motherboard: ECS Z77H2-A2X v1.0, Chipset: Intel Xeon E3-1200 v2/3rd, Memory: 8192MB, Disk: 60GB OCZ VERTEX2, Graphics: NVIDIA GeForce GTX 550 Ti 1024MB (405/324MHz), Audio: Realtek ALC892, Monitor: DELL P2210H, Network: Realtek RTL8111/8168B + Intel Centrino Advanced-N 6205

OS: Ubuntu 13.04, Kernel: 3.8.0-4-generic (x86_64), Desktop: Unity 6.6.0, Display Server: X Server 1.13.2, Display Driver: nouveau 1.0.6, OpenGL: 3.0 Mesa 9.0.2 Gallium 0.4, Compiler: GCC 4.7, File-System: ext4, Screen Resolution: 1920x1080

Compiler Notes: --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
Processor Notes: Scaling Governor: ondemand

Testing initiated at 8 February 2013 16:09 by user phoronix.