i7 4960X LLVM Clang GCC Compiler Performance

Intel Core i7-4960X testing Ivy Bridge Extreme with GCC 4.7, GCC 4.8, LLVM Clang 3.2, and LLVM Clang 3.3 compilers on Ubuntu 13.10 x86_64. Benchmarking by Michael Larabel 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 1310045-SO-I74960XLL69
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Audio Encoding 3 Tests
Bioinformatics 2 Tests
Timed Code Compilation 2 Tests
C/C++ Compiler Tests 8 Tests
CPU Massive 9 Tests
Creator Workloads 5 Tests
Cryptography 2 Tests
Encoding 3 Tests
HPC - High Performance Computing 2 Tests
Multi-Core 4 Tests
Programmer / Developer System Benchmarks 2 Tests
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GCC 4.7.2
October 04 2013
 
GCC 4.8.1
October 04 2013
 
LLVM Clang 3.2
October 04 2013
 
LLVM Clang 3.3
October 04 2013
 
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GCC 4.7.2

Processor: Intel Core i7-4960X @ 3.60GHz (12 Cores), Motherboard: MSI X79MA-GD45 (MS-7738) v1.0, Chipset: Intel Xeon E5 v2/Core, Memory: 8192MB, Disk: 320GB Seagate ST3320620AS, Graphics: Sapphire AMD Radeon HD 4870 512MB, Audio: Realtek ALC892, Monitor: AL2223W, Network: Realtek RTL8111/8168/8411

OS: Ubuntu 13.10, Kernel: 3.11.0-11-generic (x86_64), Desktop: Unity 7.1.1, Display Server: X Server 1.14.3, Display Driver: radeon 7.2.0, OpenGL: 3.1 Mesa 9.2.0 Gallium 0.4, Compiler: GCC 4.7, File-System: ext4, Screen Resolution: 1680x1050

Compiler Notes: --build=x86_64-linux-gnu --disable-cloog-version-check --disable-ppl-version-check --disable-werror --enable-checking=release --enable-clocale=gnu --enable-cloog-backend=ppl --enable-gnu-unique-object --enable-languages=c,c++,go,fortran,objc,obj-c++ --enable-libstdcxx-debug --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-cloog --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Processor Notes: Scaling Governor: acpi-cpufreq ondemand

GCC 4.8.1

OS: Ubuntu 13.10, Kernel: 3.11.0-11-generic (x86_64), Desktop: Unity 7.1.1, Display Server: X Server 1.14.3, Display Driver: radeon 7.2.0, OpenGL: 3.1 Mesa 9.2.0 Gallium 0.4, Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1680x1050

Compiler Notes: --build=x86_64-linux-gnu --disable-browser-plugin --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-gtk-cairo --enable-java-awt=gtk --enable-java-home --enable-languages=c,c++,java,go,d,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-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-amd64/jre --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-amd64 --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64 --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Processor Notes: Scaling Governor: acpi-cpufreq ondemand

LLVM Clang 3.2

OS: Ubuntu 13.10, Kernel: 3.11.0-11-generic (x86_64), Desktop: Unity 7.1.1, Display Server: X Server 1.14.3, Display Driver: radeon 7.2.0, OpenGL: 3.1 Mesa 9.2.0 Gallium 0.4, Compiler: Clang 3.2-7ubuntu1, File-System: ext4, Screen Resolution: 1680x1050

Processor Notes: Scaling Governor: acpi-cpufreq ondemand

LLVM Clang 3.3

OS: Ubuntu 13.10, Kernel: 3.11.0-11-generic (x86_64), Desktop: Unity 7.1.1, Display Server: X Server 1.14.3, Display Driver: radeon 7.2.0, OpenGL: 3.1 Mesa 9.2.0 Gallium 0.4, Compiler: Clang 3.3-5ubuntu4, File-System: ext4, Screen Resolution: 1680x1050

i7 4960X LLVM Clang GCC Compiler PerformanceOpenBenchmarking.orgPhoronix Test SuiteIntel Core i7-4960X @ 3.60GHz (12 Cores)MSI X79MA-GD45 (MS-7738) v1.0Intel Xeon E5 v2/Core8192MB320GB Seagate ST3320620ASSapphire AMD Radeon HD 4870 512MBRealtek ALC892AL2223WRealtek RTL8111/8168/8411Ubuntu 13.103.11.0-11-generic (x86_64)Unity 7.1.1X Server 1.14.3radeon 7.2.03.1 Mesa 9.2.0 Gallium 0.4GCC 4.7GCC 4.8Clang 3.2-7ubuntu1Clang 3.3-5ubuntu4ext41680x1050ProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilersFile-SystemScreen ResolutionI7 4960X LLVM Clang GCC Compiler Performance BenchmarksSystem Logs- GCC 4.7.2: --build=x86_64-linux-gnu --disable-cloog-version-check --disable-ppl-version-check --disable-werror --enable-checking=release --enable-clocale=gnu --enable-cloog-backend=ppl --enable-gnu-unique-object --enable-languages=c,c++,go,fortran,objc,obj-c++ --enable-libstdcxx-debug --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-cloog --with-multilib-list=m32,m64,mx32 --with-tune=generic -v - GCC 4.8.1: --build=x86_64-linux-gnu --disable-browser-plugin --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-gtk-cairo --enable-java-awt=gtk --enable-java-home --enable-languages=c,c++,java,go,d,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-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-amd64/jre --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-amd64 --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64 --with-multilib-list=m32,m64,mx32 --with-tune=generic -v - Scaling Governor: acpi-cpufreq ondemand

GCC 4.7.2GCC 4.8.1LLVM Clang 3.2LLVM Clang 3.3Logarithmic Result OverviewPhoronix Test SuiteSmallptTimed ImageMagick CompilationTimed PHP CompilationBLAKE2FLAC Audio EncodingC-RayTimed HMMer SearchHimeno BenchmarkBotanLAME MP3 EncodingApache BenchmarkPolyBench-COgg Encoding

i7 4960X LLVM Clang GCC Compiler Performancepolybench-c: Covariance Computationpolybench-c: Correlation Computationpolybench-c: 3 Matrix Multiplicationshmmer: Pfam Database Searchblake2: Phoronix Test Suite v4.8.3botan: Tigerbotan: KASUMIbotan: AES-256botan: Twofishbotan: CAST-256botan: X9.19-MAChimeno: Poisson Pressure Solverbuild-imagemagick: Time To Compilebuild-php: Time To Compilec-ray: Total Timesmallpt: Global Illumination Renderer; 100 Samplesencode-flac: WAV To FLACencode-mp3: WAV To MP3encode-ogg: WAV To Oggapache: Static Web Page ServingGCC 4.7.2GCC 4.8.1LLVM Clang 3.2LLVM Clang 3.34.784.7918.418.915.34431.8075.41200.70206.1192.9786.511744.2052.3421.6521.60195.3113.457.2716634.844.784.8018.468.875.30431.5576.56150.22199.9696.5486.651711.4646.0722.4719.03195.4312.957.2716328.254.784.7818.379.547.63440.2667.65188.94197.16113.2583.821653.9222.3315.4321.761586.0913.057.2916151.034.774.7818.498.907.59432.8967.62191.09195.31114.1383.941669.5621.8116.0321.181555.7513.057.2916420.23OpenBenchmarking.org

PolyBench-C

OpenBenchmarking.orgSeconds, Fewer Is BetterPolyBench-C 3.2Test: Covariance ComputationGCC 4.7.2GCC 4.8.1LLVM Clang 3.2LLVM Clang 3.31.07552.1513.22654.3025.3775SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 34.784.784.784.771. (CC) gcc options: -O3 -march=native
OpenBenchmarking.orgSeconds, Fewer Is BetterPolyBench-C 3.2Test: Covariance ComputationGCC 4.7.2GCC 4.8.1LLVM Clang 3.2LLVM Clang 3.3246810Min: 4.77 / Avg: 4.78 / Max: 4.79Min: 4.78 / Avg: 4.78 / Max: 4.79Min: 4.77 / Avg: 4.78 / Max: 4.78Min: 4.77 / Avg: 4.77 / Max: 4.781. (CC) gcc options: -O3 -march=native

OpenBenchmarking.orgSeconds, Fewer Is BetterPolyBench-C 3.2Test: Correlation ComputationGCC 4.7.2GCC 4.8.1LLVM Clang 3.2LLVM Clang 3.31.082.163.244.325.4SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 34.794.804.784.781. (CC) gcc options: -O3 -march=native
OpenBenchmarking.orgSeconds, Fewer Is BetterPolyBench-C 3.2Test: Correlation ComputationGCC 4.7.2GCC 4.8.1LLVM Clang 3.2LLVM Clang 3.3246810Min: 4.78 / Avg: 4.79 / Max: 4.8Min: 4.79 / Avg: 4.8 / Max: 4.8Min: 4.77 / Avg: 4.78 / Max: 4.78Min: 4.78 / Avg: 4.78 / Max: 4.791. (CC) gcc options: -O3 -march=native

OpenBenchmarking.orgSeconds, Fewer Is BetterPolyBench-C 3.2Test: 3 Matrix MultiplicationsGCC 4.7.2GCC 4.8.1LLVM Clang 3.2LLVM Clang 3.3510152025SE +/- 0.03, N = 3SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 318.4118.4618.3718.491. (CC) gcc options: -O3 -march=native
OpenBenchmarking.orgSeconds, Fewer Is BetterPolyBench-C 3.2Test: 3 Matrix MultiplicationsGCC 4.7.2GCC 4.8.1LLVM Clang 3.2LLVM Clang 3.3510152025Min: 18.36 / Avg: 18.41 / Max: 18.44Min: 18.41 / Avg: 18.46 / Max: 18.5Min: 18.35 / Avg: 18.37 / Max: 18.39Min: 18.47 / Avg: 18.49 / Max: 18.511. (CC) gcc options: -O3 -march=native

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 4.7.2GCC 4.8.1LLVM Clang 3.2LLVM Clang 3.33691215SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 38.918.879.548.901. (CC) gcc options: -O3 -march=native -pthread -lhmmer -lsquid -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed HMMer Search 2.3.2Pfam Database SearchGCC 4.7.2GCC 4.8.1LLVM Clang 3.2LLVM Clang 3.33691215Min: 8.9 / Avg: 8.91 / Max: 8.92Min: 8.86 / Avg: 8.87 / Max: 8.9Min: 9.52 / Avg: 9.54 / Max: 9.54Min: 8.88 / Avg: 8.9 / Max: 8.931. (CC) gcc options: -O3 -march=native -pthread -lhmmer -lsquid -lm

BLAKE2

OpenBenchmarking.orgCycles Per Byte, Fewer Is BetterBLAKE2 20121223Phoronix Test Suite v4.8.3GCC 4.7.2GCC 4.8.1LLVM Clang 3.2LLVM Clang 3.3246810SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 35.345.307.637.591. (CC) gcc options: -std=gnu99 -O3 -march=native -lcrypto -lz
OpenBenchmarking.orgCycles Per Byte, Fewer Is BetterBLAKE2 20121223Phoronix Test Suite v4.8.3GCC 4.7.2GCC 4.8.1LLVM Clang 3.2LLVM Clang 3.33691215Min: 5.34 / Avg: 5.34 / Max: 5.35Min: 5.3 / Avg: 5.3 / Max: 5.3Min: 7.63 / Avg: 7.63 / Max: 7.64Min: 7.58 / Avg: 7.59 / Max: 7.591. (CC) gcc options: -std=gnu99 -O3 -march=native -lcrypto -lz

Botan

OpenBenchmarking.orgMbytes/s, More Is BetterBotan 1.10.3Test: TigerGCC 4.7.2GCC 4.8.1LLVM Clang 3.2LLVM Clang 3.3100200300400500431.80431.55440.26432.891. (CXX) g++ options: -m64 -ldl -lpthread -lrt -O2

OpenBenchmarking.orgMbytes/s, More Is BetterBotan 1.10.3Test: KASUMIGCC 4.7.2GCC 4.8.1LLVM Clang 3.2LLVM Clang 3.32040608010075.4176.5667.6567.621. (CXX) g++ options: -m64 -ldl -lpthread -lrt -O2

OpenBenchmarking.orgMbytes/s, More Is BetterBotan 1.10.3Test: AES-256GCC 4.7.2GCC 4.8.1LLVM Clang 3.2LLVM Clang 3.34080120160200200.70150.22188.94191.091. (CXX) g++ options: -m64 -ldl -lpthread -lrt -O2

OpenBenchmarking.orgMbytes/s, More Is BetterBotan 1.10.3Test: TwofishGCC 4.7.2GCC 4.8.1LLVM Clang 3.2LLVM Clang 3.350100150200250206.11199.96197.16195.311. (CXX) g++ options: -m64 -ldl -lpthread -lrt -O2

OpenBenchmarking.orgMbytes/s, More Is BetterBotan 1.10.3Test: CAST-256GCC 4.7.2GCC 4.8.1LLVM Clang 3.2LLVM Clang 3.330609012015092.9796.54113.25114.131. (CXX) g++ options: -m64 -ldl -lpthread -lrt -O2

OpenBenchmarking.orgMbytes/s, More Is BetterBotan 1.10.3Test: X9.19-MACGCC 4.7.2GCC 4.8.1LLVM Clang 3.2LLVM Clang 3.32040608010086.5186.6583.8283.941. (CXX) g++ options: -m64 -ldl -lpthread -lrt -O2

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 4.7.2GCC 4.8.1LLVM Clang 3.2LLVM Clang 3.3400800120016002000SE +/- 1.18, N = 3SE +/- 1.19, N = 3SE +/- 1.13, N = 3SE +/- 1.45, N = 31744.201711.461653.921669.561. (CC) gcc options: -O3 -march=native
OpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure SolverGCC 4.7.2GCC 4.8.1LLVM Clang 3.2LLVM Clang 3.330060090012001500Min: 1742.65 / Avg: 1744.2 / Max: 1746.53Min: 1709.09 / Avg: 1711.46 / Max: 1712.86Min: 1651.76 / Avg: 1653.92 / Max: 1655.57Min: 1667.03 / Avg: 1669.56 / Max: 1672.071. (CC) gcc options: -O3 -march=native

Timed ImageMagick Compilation

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed ImageMagick Compilation 6.8.1-10Time To CompileGCC 4.7.2GCC 4.8.1LLVM Clang 3.2LLVM Clang 3.31224364860SE +/- 0.28, N = 3SE +/- 0.23, N = 3SE +/- 0.34, N = 3SE +/- 0.28, N = 352.3446.0722.3321.81
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed ImageMagick Compilation 6.8.1-10Time To CompileGCC 4.7.2GCC 4.8.1LLVM Clang 3.2LLVM Clang 3.31020304050Min: 52.05 / Avg: 52.34 / Max: 52.89Min: 45.81 / Avg: 46.07 / Max: 46.53Min: 21.98 / Avg: 22.33 / Max: 23Min: 21.46 / Avg: 21.81 / Max: 22.38

Timed PHP Compilation

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed PHP Compilation 5.2.9Time To CompileGCC 4.7.2GCC 4.8.1LLVM Clang 3.2LLVM Clang 3.3510152025SE +/- 0.16, N = 3SE +/- 0.19, N = 3SE +/- 0.22, N = 5SE +/- 0.29, N = 321.6522.4715.4316.031. (CC) gcc options: -O3 -march=native -pedantic -ldl -lz -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed PHP Compilation 5.2.9Time To CompileGCC 4.7.2GCC 4.8.1LLVM Clang 3.2LLVM Clang 3.3510152025Min: 21.33 / Avg: 21.65 / Max: 21.83Min: 22.1 / Avg: 22.47 / Max: 22.67Min: 14.55 / Avg: 15.43 / Max: 15.71Min: 15.45 / Avg: 16.03 / Max: 16.331. (CC) gcc options: -O3 -march=native -pedantic -ldl -lz -lm

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 4.7.2GCC 4.8.1LLVM Clang 3.2LLVM Clang 3.3510152025SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.03, N = 321.6019.0321.7621.181. (CC) gcc options: -lm -lpthread -O3 -march=native
OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total TimeGCC 4.7.2GCC 4.8.1LLVM Clang 3.2LLVM Clang 3.3510152025Min: 21.58 / Avg: 21.6 / Max: 21.61Min: 19.02 / Avg: 19.03 / Max: 19.06Min: 21.74 / Avg: 21.76 / Max: 21.79Min: 21.14 / Avg: 21.18 / Max: 21.231. (CC) gcc options: -lm -lpthread -O3 -march=native

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 4.7.2GCC 4.8.1LLVM Clang 3.2LLVM Clang 3.3306090120150SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 2.19, N = 3SE +/- 0.33, N = 319191581551. (CXX) g++ options: -fopenmp -O3 -march=native
OpenBenchmarking.orgSeconds, Fewer Is BetterSmallpt 1.0Global Illumination Renderer; 100 SamplesGCC 4.7.2GCC 4.8.1LLVM Clang 3.2LLVM Clang 3.3306090120150Min: 19 / Avg: 19 / Max: 19Min: 19 / Avg: 19 / Max: 19Min: 155 / Avg: 157.67 / Max: 162Min: 154 / Avg: 154.67 / Max: 1551. (CXX) g++ options: -fopenmp -O3 -march=native

FLAC Audio Encoding

OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.0WAV To FLACGCC 4.7.2GCC 4.8.1LLVM Clang 3.2LLVM Clang 3.3246810SE +/- 0.00, N = 5SE +/- 0.00, N = 5SE +/- 0.00, N = 5SE +/- 0.00, N = 55.315.436.095.751. (CXX) g++ options: -O3 -march=native -fvisibility=hidden -logg -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.0WAV To FLACGCC 4.7.2GCC 4.8.1LLVM Clang 3.2LLVM Clang 3.3246810Min: 5.3 / Avg: 5.31 / Max: 5.31Min: 5.43 / Avg: 5.43 / Max: 5.43Min: 6.09 / Avg: 6.09 / Max: 6.1Min: 5.74 / Avg: 5.75 / Max: 5.751. (CXX) g++ options: -O3 -march=native -fvisibility=hidden -logg -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 4.7.2GCC 4.8.1LLVM Clang 3.2LLVM Clang 3.33691215SE +/- 0.00, N = 5SE +/- 0.00, N = 5SE +/- 0.00, N = 5SE +/- 0.01, N = 513.4512.9513.0513.051. (CC) gcc options: -pipe -O3 -march=native -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.99.3WAV To MP3GCC 4.7.2GCC 4.8.1LLVM Clang 3.2LLVM Clang 3.348121620Min: 13.44 / Avg: 13.45 / Max: 13.45Min: 12.94 / Avg: 12.95 / Max: 12.96Min: 13.04 / Avg: 13.05 / Max: 13.05Min: 13.03 / Avg: 13.05 / Max: 13.071. (CC) gcc options: -pipe -O3 -march=native -lm

Ogg Encoding

OpenBenchmarking.orgSeconds, Fewer Is BetterOgg Encoding 1.3.0WAV To OggGCC 4.7.2GCC 4.8.1LLVM Clang 3.2LLVM Clang 3.3246810SE +/- 0.01, N = 5SE +/- 0.01, N = 5SE +/- 0.00, N = 5SE +/- 0.00, N = 57.277.277.297.291. (CC) gcc options: -O2 -ffast-math -fsigned-char -O3 -march=native -lm -logg
OpenBenchmarking.orgSeconds, Fewer Is BetterOgg Encoding 1.3.0WAV To OggGCC 4.7.2GCC 4.8.1LLVM Clang 3.2LLVM Clang 3.33691215Min: 7.25 / Avg: 7.27 / Max: 7.28Min: 7.26 / Avg: 7.27 / Max: 7.29Min: 7.28 / Avg: 7.29 / Max: 7.3Min: 7.28 / Avg: 7.29 / Max: 7.291. (CC) gcc options: -O2 -ffast-math -fsigned-char -O3 -march=native -lm -logg

Apache Benchmark

OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.4.3Static Web Page ServingGCC 4.7.2GCC 4.8.1LLVM Clang 3.2LLVM Clang 3.34K8K12K16K20KSE +/- 132.04, N = 3SE +/- 230.80, N = 3SE +/- 280.48, N = 3SE +/- 236.27, N = 316634.8416328.2516151.0316420.231. (CC) gcc options: -shared -fPIC -pthread -O3 -march=native
OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.4.3Static Web Page ServingGCC 4.7.2GCC 4.8.1LLVM Clang 3.2LLVM Clang 3.33K6K9K12K15KMin: 16458.66 / Avg: 16634.84 / Max: 16893.29Min: 15971.54 / Avg: 16328.25 / Max: 16760.32Min: 15688.1 / Avg: 16151.03 / Max: 16656.86Min: 16015.78 / Avg: 16420.23 / Max: 16834.091. (CC) gcc options: -shared -fPIC -pthread -O3 -march=native

GCC 4.7.2

Processor: Intel Core i7-4960X @ 3.60GHz (12 Cores), Motherboard: MSI X79MA-GD45 (MS-7738) v1.0, Chipset: Intel Xeon E5 v2/Core, Memory: 8192MB, Disk: 320GB Seagate ST3320620AS, Graphics: Sapphire AMD Radeon HD 4870 512MB, Audio: Realtek ALC892, Monitor: AL2223W, Network: Realtek RTL8111/8168/8411

OS: Ubuntu 13.10, Kernel: 3.11.0-11-generic (x86_64), Desktop: Unity 7.1.1, Display Server: X Server 1.14.3, Display Driver: radeon 7.2.0, OpenGL: 3.1 Mesa 9.2.0 Gallium 0.4, Compiler: GCC 4.7, File-System: ext4, Screen Resolution: 1680x1050

Compiler Notes: --build=x86_64-linux-gnu --disable-cloog-version-check --disable-ppl-version-check --disable-werror --enable-checking=release --enable-clocale=gnu --enable-cloog-backend=ppl --enable-gnu-unique-object --enable-languages=c,c++,go,fortran,objc,obj-c++ --enable-libstdcxx-debug --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-cloog --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Processor Notes: Scaling Governor: acpi-cpufreq ondemand

Testing initiated at 4 October 2013 17:08 by user phoronix.

GCC 4.8.1

Processor: Intel Core i7-4960X @ 3.60GHz (12 Cores), Motherboard: MSI X79MA-GD45 (MS-7738) v1.0, Chipset: Intel Xeon E5 v2/Core, Memory: 8192MB, Disk: 320GB Seagate ST3320620AS, Graphics: Sapphire AMD Radeon HD 4870 512MB, Audio: Realtek ALC892, Monitor: AL2223W, Network: Realtek RTL8111/8168/8411

OS: Ubuntu 13.10, Kernel: 3.11.0-11-generic (x86_64), Desktop: Unity 7.1.1, Display Server: X Server 1.14.3, Display Driver: radeon 7.2.0, OpenGL: 3.1 Mesa 9.2.0 Gallium 0.4, Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1680x1050

Compiler Notes: --build=x86_64-linux-gnu --disable-browser-plugin --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-gtk-cairo --enable-java-awt=gtk --enable-java-home --enable-languages=c,c++,java,go,d,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-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-amd64/jre --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-amd64 --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64 --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Processor Notes: Scaling Governor: acpi-cpufreq ondemand

Testing initiated at 4 October 2013 15:21 by user phoronix.

LLVM Clang 3.2

Processor: Intel Core i7-4960X @ 3.60GHz (12 Cores), Motherboard: MSI X79MA-GD45 (MS-7738) v1.0, Chipset: Intel Xeon E5 v2/Core, Memory: 8192MB, Disk: 320GB Seagate ST3320620AS, Graphics: Sapphire AMD Radeon HD 4870 512MB, Audio: Realtek ALC892, Monitor: AL2223W, Network: Realtek RTL8111/8168/8411

OS: Ubuntu 13.10, Kernel: 3.11.0-11-generic (x86_64), Desktop: Unity 7.1.1, Display Server: X Server 1.14.3, Display Driver: radeon 7.2.0, OpenGL: 3.1 Mesa 9.2.0 Gallium 0.4, Compiler: Clang 3.2-7ubuntu1, File-System: ext4, Screen Resolution: 1680x1050

Processor Notes: Scaling Governor: acpi-cpufreq ondemand

Testing initiated at 4 October 2013 15:53 by user phoronix.

LLVM Clang 3.3

Processor: Intel Core i7-4960X @ 3.60GHz (12 Cores), Motherboard: MSI X79MA-GD45 (MS-7738) v1.0, Chipset: Intel Xeon E5 v2/Core, Memory: 8192MB, Disk: 320GB Seagate ST3320620AS, Graphics: Sapphire AMD Radeon HD 4870 512MB, Audio: Realtek ALC892, Monitor: AL2223W, Network: Realtek RTL8111/8168/8411

OS: Ubuntu 13.10, Kernel: 3.11.0-11-generic (x86_64), Desktop: Unity 7.1.1, Display Server: X Server 1.14.3, Display Driver: radeon 7.2.0, OpenGL: 3.1 Mesa 9.2.0 Gallium 0.4, Compiler: Clang 3.3-5ubuntu4, File-System: ext4, Screen Resolution: 1680x1050

Processor Notes: Scaling Governor: acpi-cpufreq ondemand

Testing initiated at 4 October 2013 14:40 by user phoronix.