Intel Xeon Compiler Tests

LLVM Clang 3.7 Benchmarks against GCC open-source compiler on Ubuntu Linux with Intel Xeon CPU. Benchmarks 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 1508311-HA-INTELXEON12
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Audio Encoding 2 Tests
C/C++ Compiler Tests 9 Tests
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Multi-Core 3 Tests
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GCC 4.9.2
August 25 2015
 
GCC 5.2.0
August 31 2015
 
Clang 3.6.0
August 25 2015
 
Clang 3.7.0 SVN
August 26 2015
 
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GCC 4.9.2

Processor: Intel Xeon E5-2687W v3 @ 3.50GHz (20 Cores), Motherboard: MSI X99S SLI PLUS (MS-7885) v1.0, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 80GB INTEL SSDSCKGW08, Graphics: NVIDIA GeForce GTX Titan 6144MB, Audio: Intel C610/X99, Monitor: ASUS PB278, Network: Intel Connection

OS: Ubuntu 15.04, Kernel: 3.19.0-26-generic (x86_64), Desktop: Unity 7.3.2, Display Server: X Server 1.17.1, Display Driver: nouveau 1.0.11, OpenGL: 3.3 Mesa 10.5.2 Gallium 0.4, Compiler: GCC 4.9.2, File-System: ext4, Screen Resolution: 1920x1080

Compiler Notes: --build=x86_64-linux-gnu --disable-browser-plugin --disable-vtable-verify --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-multilib --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-multilib-list=m32,m64,mx32 --with-tune=generic -v
Disk Notes: DEADLINE / data=ordered,errors=remount-ro,relatime,rw
Processor Notes: Scaling Governor: intel_pstate powersave
System Notes: Disk Scheduler: DEADLINE.

GCC 5.2.0

OS: Ubuntu 15.04, Kernel: 3.19.0-26-generic (x86_64), Desktop: Unity 7.3.2, Display Server: X Server 1.17.1, Display Driver: nouveau 1.0.11, OpenGL: 3.3 Mesa 10.5.2 Gallium 0.4, Compiler: GCC 5.2.0, File-System: ext4, Screen Resolution: 1920x1080

Compiler Notes: --disable-multilib --enable-checking=release --enable-languages=c,c++
Processor Notes: Scaling Governor: intel_pstate powersave

Clang 3.6.0

OS: Ubuntu 15.04, Kernel: 3.19.0-26-generic (x86_64), Desktop: Unity 7.3.2, Display Server: X Server 1.17.1, Display Driver: nouveau 1.0.11, OpenGL: 3.3 Mesa 10.5.2 Gallium 0.4, Compiler: Clang 3.6.0-2ubuntu1, File-System: ext4, Screen Resolution: 1920x1080

Disk Notes: DEADLINE / data=ordered,errors=remount-ro,relatime,rw
Processor Notes: Scaling Governor: intel_pstate powersave
System Notes: Disk Scheduler: DEADLINE.

Clang 3.7.0 SVN

OS: Ubuntu 15.04, Kernel: 3.19.0-26-generic (x86_64), Desktop: Unity 7.3.2, Display Server: X Server 1.17.1, Display Driver: nouveau 1.0.11, OpenGL: 3.3 Mesa 10.5.2 Gallium 0.4, Compiler: Clang 3.7.0 (SVN 246033) + LLVM 3.7.0, File-System: ext4, Screen Resolution: 1920x1080

Compiler Notes: Optimized build; Built Aug 26 2015 (10:38:52); Default target: x86_64-unknown-linux-gnu; Host CPU: haswell
Disk Notes: DEADLINE / data=ordered,errors=remount-ro,relatime,rw
Processor Notes: Scaling Governor: intel_pstate powersave
System Notes: Disk Scheduler: DEADLINE.

Intel Xeon Compiler TestsOpenBenchmarking.orgPhoronix Test SuiteIntel Xeon E5-2687W v3 @ 3.50GHz (20 Cores)MSI X99S SLI PLUS (MS-7885) v1.0Intel Xeon E5 v3/Core16384MB80GB INTEL SSDSCKGW08NVIDIA GeForce GTX Titan 6144MBIntel C610/X99ASUS PB278Intel ConnectionUbuntu 15.043.19.0-26-generic (x86_64)Unity 7.3.2X Server 1.17.1nouveau 1.0.113.3 Mesa 10.5.2 Gallium 0.4GCC 4.9.2GCC 5.2.0Clang 3.6.0-2ubuntu1Clang 3.7.0 (SVN 246033) + LLVM 3.7.0ext41920x1080ProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilersFile-SystemScreen ResolutionIntel Xeon Compiler Tests PerformanceSystem Logs- GCC 4.9.2: --build=x86_64-linux-gnu --disable-browser-plugin --disable-vtable-verify --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-multilib --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-multilib-list=m32,m64,mx32 --with-tune=generic -v - GCC 5.2.0: --disable-multilib --enable-checking=release --enable-languages=c,c++ - Clang 3.7.0 SVN: Optimized build; Built Aug 26 2015 (10:38:52); Default target: x86_64-unknown-linux-gnu; Host CPU: haswell - GCC 4.9.2, Clang 3.6.0, Clang 3.7.0 SVN: DEADLINE / data=ordered,errors=remount-ro,relatime,rw - Scaling Governor: intel_pstate powersave- GCC 4.9.2, Clang 3.6.0, Clang 3.7.0 SVN: Disk Scheduler: DEADLINE.

GCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVNResult OverviewPhoronix Test Suite100%106%113%119%125%Timed Apache CompilationFLAC Audio EncodingSciMarkC-RayHimeno BenchmarkLAME MP3 EncodingApache BenchmarkPostgreSQL pgbenchBullet Physics Engine

Intel Xeon Compiler Testsscimark2: Compositescimark2: Monte Carloscimark2: Fast Fourier Transformscimark2: Sparse Matrix Multiplyscimark2: Dense LU Matrix Factorizationscimark2: Jacobi Successive Over-Relaxationhimeno: Poisson Pressure Solverbuild-apache: Time To Compilec-ray: Total Timebullet: Raytestsbullet: 3000 Fallbullet: 1000 Stackbullet: 1000 Convexbullet: 136 Ragdollsbullet: Prim Trimeshbullet: Convex Trimeshencode-flac: WAV To FLACencode-mp3: WAV To MP3pgbench: Buffer Test - Normal Load - Read Writepgbench: Buffer Test - Single Thread - Read Writeapache: Static Web Page ServingGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN1409.73555.46366.232542.022541.561043.381876.6533.7210.753.445.996.376.063.951.281.567.1212.911148.9572.0516639.161412.04550.59372.002546.832542.111048.671875.7233.9610.753.415.966.335.863.851.261.526.9912.701205.1174.2818776.911832.41548.82364.582472.404271.121505.131582.8827.1313.283.405.866.295.923.821.241.518.7312.541163.7872.1716605.391908.50551.34365.532794.854328.641502.141601.7427.8113.253.436.056.476.003.861.271.528.5614.201169.7973.2918791.30OpenBenchmarking.org

SciMark

This test runs the ANSI C version of SciMark 2.0, which is a benchmark for scientific and numerical computing developed by programmers at the National Institute of Standards and Technology. This test is made up of Fast Foruier Transform, Jacobi Successive Over-relaxation, Monte Carlo, Sparse Matrix Multiply, and dense LU matrix factorization benchmarks. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: CompositeGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN400800120016002000SE +/- 11.02, N = 4SE +/- 1.72, N = 4SE +/- 2.51, N = 4SE +/- 4.60, N = 41409.731412.041832.411908.50
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: CompositeGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN30060090012001500Min: 1380.6 / Avg: 1409.73 / Max: 1431.18Min: 1409.07 / Avg: 1412.04 / Max: 1415.75Min: 1827.91 / Avg: 1832.41 / Max: 1837.41Min: 1895.38 / Avg: 1908.5 / Max: 1916.07

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Monte CarloGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN120240360480600SE +/- 0.07, N = 4SE +/- 2.60, N = 4SE +/- 6.01, N = 4SE +/- 1.31, N = 4555.46550.59548.82551.34
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Monte CarloGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN100200300400500Min: 555.27 / Avg: 555.46 / Max: 555.61Min: 543.46 / Avg: 550.59 / Max: 554.55Min: 530.79 / Avg: 548.82 / Max: 554.93Min: 548.95 / Avg: 551.34 / Max: 554.7

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Fast Fourier TransformGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN80160240320400SE +/- 4.15, N = 4SE +/- 0.76, N = 4SE +/- 0.71, N = 4SE +/- 0.54, N = 4366.23372.00364.58365.53
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Fast Fourier TransformGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN70140210280350Min: 353.79 / Avg: 366.23 / Max: 370.85Min: 370.04 / Avg: 372 / Max: 373.64Min: 362.82 / Avg: 364.58 / Max: 365.79Min: 364.3 / Avg: 365.53 / Max: 366.89

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Sparse Matrix MultiplyGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN6001200180024003000SE +/- 10.46, N = 4SE +/- 7.17, N = 4SE +/- 11.31, N = 4SE +/- 14.19, N = 42542.022546.832472.402794.85
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Sparse Matrix MultiplyGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN5001000150020002500Min: 2510.71 / Avg: 2542.02 / Max: 2554.1Min: 2531.48 / Avg: 2546.83 / Max: 2563.08Min: 2440.75 / Avg: 2472.4 / Max: 2488.94Min: 2761.31 / Avg: 2794.85 / Max: 2819.63

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Dense LU Matrix FactorizationGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN9001800270036004500SE +/- 47.20, N = 4SE +/- 10.91, N = 4SE +/- 1.02, N = 4SE +/- 11.71, N = 42541.562542.114271.124328.64
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Dense LU Matrix FactorizationGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN8001600240032004000Min: 2416.2 / Avg: 2541.56 / Max: 2642.11Min: 2516.49 / Avg: 2542.11 / Max: 2565.85Min: 4269.05 / Avg: 4271.12 / Max: 4272.98Min: 4293.53 / Avg: 4328.64 / Max: 4341.25

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Jacobi Successive Over-RelaxationGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN30060090012001500SE +/- 11.58, N = 4SE +/- 3.56, N = 4SE +/- 0.20, N = 4SE +/- 3.00, N = 41043.381048.671505.131502.14
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Jacobi Successive Over-RelaxationGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN30060090012001500Min: 1008.66 / Avg: 1043.38 / Max: 1056.28Min: 1039.47 / Avg: 1048.67 / Max: 1054.48Min: 1504.54 / Avg: 1505.13 / Max: 1505.42Min: 1493.23 / Avg: 1502.14 / Max: 1505.91

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 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN400800120016002000SE +/- 1.81, N = 3SE +/- 3.01, N = 3SE +/- 1.38, N = 3SE +/- 1.95, N = 31876.651875.721582.881601.741. (CC) gcc options: -O3
OpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure SolverGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN30060090012001500Min: 1874.24 / Avg: 1876.65 / Max: 1880.2Min: 1872.46 / Avg: 1875.72 / Max: 1881.72Min: 1580.46 / Avg: 1582.88 / Max: 1585.23Min: 1598.8 / Avg: 1601.74 / Max: 1605.421. (CC) gcc options: -O3

Timed Apache Compilation

This test times how long it takes to build the Apache HTTP Server. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed Apache Compilation 2.4.7Time To CompileGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN816243240SE +/- 0.34, N = 3SE +/- 0.27, N = 3SE +/- 0.23, N = 3SE +/- 0.27, N = 333.7233.9627.1327.81
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed Apache Compilation 2.4.7Time To CompileGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN714212835Min: 33.18 / Avg: 33.72 / Max: 34.36Min: 33.43 / Avg: 33.96 / Max: 34.25Min: 26.69 / Avg: 27.13 / Max: 27.49Min: 27.3 / Avg: 27.81 / Max: 28.21

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 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN3691215SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 310.7510.7513.2813.251. (CC) gcc options: -lm -lpthread -O3
OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total TimeGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN48121620Min: 10.74 / Avg: 10.75 / Max: 10.76Min: 10.75 / Avg: 10.75 / Max: 10.75Min: 13.27 / Avg: 13.28 / Max: 13.28Min: 13.24 / Avg: 13.25 / Max: 13.261. (CC) gcc options: -lm -lpthread -O3

Bullet Physics Engine

This is a benchmark of the Bullet Physics Engine. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: RaytestsGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN0.7741.5482.3223.0963.87SE +/- 0.00, N = 3SE +/- 0.05, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 33.443.413.403.431. (CXX) g++ options: -O3 -rdynamic -lglut -lGL -lGLU
OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: RaytestsGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN246810Min: 3.44 / Avg: 3.44 / Max: 3.45Min: 3.36 / Avg: 3.41 / Max: 3.51Min: 3.39 / Avg: 3.4 / Max: 3.41Min: 3.41 / Avg: 3.43 / Max: 3.451. (CXX) g++ options: -O3 -rdynamic -lglut -lGL -lGLU

OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 3000 FallGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN246810SE +/- 0.01, N = 3SE +/- 0.08, N = 3SE +/- 0.21, N = 3SE +/- 0.16, N = 35.995.965.866.051. (CXX) g++ options: -O3 -rdynamic -lglut -lGL -lGLU
OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 3000 FallGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN246810Min: 5.96 / Avg: 5.99 / Max: 6.01Min: 5.86 / Avg: 5.96 / Max: 6.11Min: 5.5 / Avg: 5.86 / Max: 6.22Min: 5.84 / Avg: 6.05 / Max: 6.371. (CXX) g++ options: -O3 -rdynamic -lglut -lGL -lGLU

OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 1000 StackGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN246810SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.06, N = 36.376.336.296.471. (CXX) g++ options: -O3 -rdynamic -lglut -lGL -lGLU
OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 1000 StackGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN3691215Min: 6.35 / Avg: 6.37 / Max: 6.38Min: 6.31 / Avg: 6.33 / Max: 6.34Min: 6.27 / Avg: 6.29 / Max: 6.31Min: 6.37 / Avg: 6.47 / Max: 6.581. (CXX) g++ options: -O3 -rdynamic -lglut -lGL -lGLU

OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 1000 ConvexGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN246810SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.08, N = 36.065.865.926.001. (CXX) g++ options: -O3 -rdynamic -lglut -lGL -lGLU
OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 1000 ConvexGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN246810Min: 6.05 / Avg: 6.06 / Max: 6.07Min: 5.85 / Avg: 5.86 / Max: 5.87Min: 5.91 / Avg: 5.92 / Max: 5.95Min: 5.9 / Avg: 6 / Max: 6.151. (CXX) g++ options: -O3 -rdynamic -lglut -lGL -lGLU

OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 136 RagdollsGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN0.88881.77762.66643.55524.444SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 33.953.853.823.861. (CXX) g++ options: -O3 -rdynamic -lglut -lGL -lGLU
OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 136 RagdollsGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN246810Min: 3.93 / Avg: 3.95 / Max: 3.97Min: 3.83 / Avg: 3.85 / Max: 3.87Min: 3.81 / Avg: 3.82 / Max: 3.84Min: 3.85 / Avg: 3.86 / Max: 3.861. (CXX) g++ options: -O3 -rdynamic -lglut -lGL -lGLU

OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: Prim TrimeshGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN0.2880.5760.8641.1521.44SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 31.281.261.241.271. (CXX) g++ options: -O3 -rdynamic -lglut -lGL -lGLU
OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: Prim TrimeshGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN246810Min: 1.28 / Avg: 1.28 / Max: 1.29Min: 1.25 / Avg: 1.26 / Max: 1.26Min: 1.24 / Avg: 1.24 / Max: 1.26Min: 1.25 / Avg: 1.27 / Max: 1.311. (CXX) g++ options: -O3 -rdynamic -lglut -lGL -lGLU

OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: Convex TrimeshGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN0.3510.7021.0531.4041.755SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 31.561.521.511.521. (CXX) g++ options: -O3 -rdynamic -lglut -lGL -lGLU
OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: Convex TrimeshGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN246810Min: 1.56 / Avg: 1.56 / Max: 1.56Min: 1.52 / Avg: 1.52 / Max: 1.52Min: 1.49 / Avg: 1.51 / Max: 1.52Min: 1.49 / Avg: 1.52 / Max: 1.561. (CXX) g++ options: -O3 -rdynamic -lglut -lGL -lGLU

FLAC Audio Encoding

This test times how long it takes to encode a sample WAV file to FLAC format three times. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.1WAV To FLACGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN246810SE +/- 0.04, N = 5SE +/- 0.04, N = 5SE +/- 0.02, N = 5SE +/- 0.05, N = 57.126.998.738.56-fvisibility=hidden-fvisibility=hidden1. (CXX) g++ options: -O2 -logg -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.1WAV To FLACGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN3691215Min: 6.98 / Avg: 7.12 / Max: 7.18Min: 6.91 / Avg: 6.99 / Max: 7.11Min: 8.69 / Avg: 8.73 / Max: 8.79Min: 8.42 / Avg: 8.56 / Max: 8.681. (CXX) g++ options: -O2 -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 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN48121620SE +/- 0.04, N = 5SE +/- 0.02, N = 5SE +/- 0.03, N = 5SE +/- 0.04, N = 512.9112.7012.5414.20-fomit-frame-pointer-funroll-loops-funroll-loops-funroll-loops1. (CC) gcc options: -O3 -ffast-math -pipe -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.99.3WAV To MP3GCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN48121620Min: 12.79 / Avg: 12.91 / Max: 13.06Min: 12.61 / Avg: 12.7 / Max: 12.75Min: 12.47 / Avg: 12.54 / Max: 12.62Min: 14.14 / Avg: 14.2 / Max: 14.371. (CC) gcc options: -O3 -ffast-math -pipe -lm

PostgreSQL pgbench

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 9.4.3Scaling: Buffer Test - Test: Normal Load - Mode: Read WriteGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN30060090012001500SE +/- 15.02, N = 3SE +/- 15.80, N = 3SE +/- 13.91, N = 3SE +/- 17.02, N = 41148.951205.111163.781169.79-pthreads-pthreads -mthreads1. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -pthread -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm
OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 9.4.3Scaling: Buffer Test - Test: Normal Load - Mode: Read WriteGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN2004006008001000Min: 1120.18 / Avg: 1148.95 / Max: 1170.82Min: 1173.91 / Avg: 1205.11 / Max: 1225.06Min: 1136.83 / Avg: 1163.78 / Max: 1183.24Min: 1123.7 / Avg: 1169.79 / Max: 1205.811. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -pthread -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 9.4.3Scaling: Buffer Test - Test: Single Thread - Mode: Read WriteGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN1632486480SE +/- 0.26, N = 3SE +/- 0.14, N = 3SE +/- 0.85, N = 3SE +/- 0.80, N = 372.0574.2872.1773.29-pthreads-pthreads -mthreads1. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -pthread -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm
OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 9.4.3Scaling: Buffer Test - Test: Single Thread - Mode: Read WriteGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN1428425670Min: 71.64 / Avg: 72.05 / Max: 72.53Min: 74.1 / Avg: 74.28 / Max: 74.55Min: 70.98 / Avg: 72.17 / Max: 73.83Min: 71.79 / Avg: 73.29 / Max: 74.531. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -pthread -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

Apache Benchmark

This is a test of ab, which is the Apache benchmark program. This test profile measures how many requests per second a given system can sustain when carrying out 1,000,000 requests with 100 requests being carried out concurrently. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.4.7Static Web Page ServingGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN4K8K12K16K20KSE +/- 48.20, N = 3SE +/- 150.86, N = 3SE +/- 132.05, N = 3SE +/- 117.31, N = 316639.1618776.9116605.3918791.301. (CC) gcc options: -shared -fPIC -O2 -pthread
OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.4.7Static Web Page ServingGCC 4.9.2GCC 5.2.0Clang 3.6.0Clang 3.7.0 SVN3K6K9K12K15KMin: 16569.04 / Avg: 16639.16 / Max: 16731.52Min: 18478.97 / Avg: 18776.91 / Max: 18967.16Min: 16440.6 / Avg: 16605.39 / Max: 16866.52Min: 18559.11 / Avg: 18791.3 / Max: 18936.581. (CC) gcc options: -shared -fPIC -O2 -pthread

GCC 4.9.2

Processor: Intel Xeon E5-2687W v3 @ 3.50GHz (20 Cores), Motherboard: MSI X99S SLI PLUS (MS-7885) v1.0, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 80GB INTEL SSDSCKGW08, Graphics: NVIDIA GeForce GTX Titan 6144MB, Audio: Intel C610/X99, Monitor: ASUS PB278, Network: Intel Connection

OS: Ubuntu 15.04, Kernel: 3.19.0-26-generic (x86_64), Desktop: Unity 7.3.2, Display Server: X Server 1.17.1, Display Driver: nouveau 1.0.11, OpenGL: 3.3 Mesa 10.5.2 Gallium 0.4, Compiler: GCC 4.9.2, File-System: ext4, Screen Resolution: 1920x1080

Compiler Notes: --build=x86_64-linux-gnu --disable-browser-plugin --disable-vtable-verify --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-multilib --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-multilib-list=m32,m64,mx32 --with-tune=generic -v
Disk Notes: DEADLINE / data=ordered,errors=remount-ro,relatime,rw
Processor Notes: Scaling Governor: intel_pstate powersave
System Notes: Disk Scheduler: DEADLINE.

Testing initiated at 25 August 2015 13:13 by user phoronix.

GCC 5.2.0

Processor: Intel Xeon E5-2687W v3 @ 3.50GHz (20 Cores), Motherboard: MSI X99S SLI PLUS (MS-7885) v1.0, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 80GB INTEL SSDSCKGW08, Graphics: NVIDIA GeForce GTX Titan 6144MB, Audio: Intel C610/X99, Monitor: ASUS PB278, Network: Intel Connection

OS: Ubuntu 15.04, Kernel: 3.19.0-26-generic (x86_64), Desktop: Unity 7.3.2, Display Server: X Server 1.17.1, Display Driver: nouveau 1.0.11, OpenGL: 3.3 Mesa 10.5.2 Gallium 0.4, Compiler: GCC 5.2.0, File-System: ext4, Screen Resolution: 1920x1080

Compiler Notes: --disable-multilib --enable-checking=release --enable-languages=c,c++
Processor Notes: Scaling Governor: intel_pstate powersave

Testing initiated at 31 August 2015 10:20 by user phoronix.

Clang 3.6.0

Processor: Intel Xeon E5-2687W v3 @ 3.50GHz (20 Cores), Motherboard: MSI X99S SLI PLUS (MS-7885) v1.0, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 80GB INTEL SSDSCKGW08, Graphics: NVIDIA GeForce GTX Titan 6144MB, Audio: Intel C610/X99, Monitor: ASUS PB278, Network: Intel Connection

OS: Ubuntu 15.04, Kernel: 3.19.0-26-generic (x86_64), Desktop: Unity 7.3.2, Display Server: X Server 1.17.1, Display Driver: nouveau 1.0.11, OpenGL: 3.3 Mesa 10.5.2 Gallium 0.4, Compiler: Clang 3.6.0-2ubuntu1, File-System: ext4, Screen Resolution: 1920x1080

Disk Notes: DEADLINE / data=ordered,errors=remount-ro,relatime,rw
Processor Notes: Scaling Governor: intel_pstate powersave
System Notes: Disk Scheduler: DEADLINE.

Testing initiated at 25 August 2015 16:32 by user phoronix.

Clang 3.7.0 SVN

Processor: Intel Xeon E5-2687W v3 @ 3.50GHz (20 Cores), Motherboard: MSI X99S SLI PLUS (MS-7885) v1.0, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 80GB INTEL SSDSCKGW08, Graphics: NVIDIA GeForce GTX Titan 6144MB, Audio: Intel C610/X99, Monitor: ASUS PB278, Network: Intel Connection

OS: Ubuntu 15.04, Kernel: 3.19.0-26-generic (x86_64), Desktop: Unity 7.3.2, Display Server: X Server 1.17.1, Display Driver: nouveau 1.0.11, OpenGL: 3.3 Mesa 10.5.2 Gallium 0.4, Compiler: Clang 3.7.0 (SVN 246033) + LLVM 3.7.0, File-System: ext4, Screen Resolution: 1920x1080

Compiler Notes: Optimized build; Built Aug 26 2015 (10:38:52); Default target: x86_64-unknown-linux-gnu; Host CPU: haswell
Disk Notes: DEADLINE / data=ordered,errors=remount-ro,relatime,rw
Processor Notes: Scaling Governor: intel_pstate powersave
System Notes: Disk Scheduler: DEADLINE.

Testing initiated at 26 August 2015 11:00 by user phoronix.