LLVM 3.4 Clang Compiler AMD Kaveri Benchmarking

Benchmarks by Michael Larabel for a future article on Phoronix.com looking at AMD Kaveri A10-7850K compiler performance on GCC 4.8 and GCC 4.9 compilers and LLVM Clang 3.4 on Kaveri.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 1401278-PL-CLANGKAVE26
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GCC 4.9.0 20140126
January 27 2014
 
LLVM Clang 3.4
January 27 2014
 
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GCC 4.9.0 20140126

Processor: AMD A10-7850K APU with Radeon R7 @ 3.70GHz (4 Cores), Motherboard: Gigabyte F2A88XM-D3H, Chipset: AMD Device 1422, Memory: 7168MB, Disk: 120GB KINGSTON SV300S3, Graphics: AMD Kaveri 1024MB, Audio: ATI R6xx HDMI, Monitor: TSB-TV, Network: Realtek RTL8111/8168/8411

OS: Ubuntu 14.04, Kernel: 3.13.0-5-generic (x86_64), Desktop: Unity 7.1.2, Display Driver: radeon 7.2.99, Compiler: GCC 4.9.0 20140126, File-System: ext4, Screen Resolution: 1920x1080

Kernel Notes: radeon.dpm=1
Compiler Notes: --disable-multilib --enable-checking=release --enable-languages=c,c++,fortran
Processor Notes: Scaling Governor: acpi-cpufreq ondemand

LLVM Clang 3.4

OS: Ubuntu 14.04, Kernel: 3.13.0-5-generic (x86_64), Desktop: Unity 7.1.2, Display Driver: radeon 7.2.99, Compiler: Clang 3.4 + LLVM 3.4, File-System: ext4, Screen Resolution: 1920x1080

Kernel Notes: radeon.dpm=1
Compiler Notes: Optimized build; Built Jan 27 2014 (16:11:42); Default target: x86_64-unknown-linux-gnu; Host CPU: bdver3
Processor Notes: Scaling Governor: acpi-cpufreq ondemand

LLVM 3.4 Clang Compiler AMD Kaveri BenchmarkingOpenBenchmarking.orgPhoronix Test SuiteAMD A10-7850K APU with Radeon R7 @ 3.70GHz (4 Cores)Gigabyte F2A88XM-D3HAMD Device 14227168MB120GB KINGSTON SV300S3AMD Kaveri 1024MBATI R6xx HDMITSB-TVRealtek RTL8111/8168/8411Ubuntu 14.043.13.0-5-generic (x86_64)Unity 7.1.2radeon 7.2.99GCC 4.9.0 20140126Clang 3.4 + LLVM 3.4ext41920x1080ProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay DriverCompilersFile-SystemScreen ResolutionLLVM 3.4 Clang Compiler AMD Kaveri Benchmarking PerformanceSystem Logs- radeon.dpm=1- GCC 4.9.0 20140126: --disable-multilib --enable-checking=release --enable-languages=c,c++,fortran - LLVM Clang 3.4: Optimized build; Built Jan 27 2014 (16:11:42); Default target: x86_64-unknown-linux-gnu; Host CPU: bdver3 - Scaling Governor: acpi-cpufreq ondemand

GCC 4.9.0 20140126 vs. LLVM Clang 3.4 ComparisonPhoronix Test SuiteBaseline+19%+19%+38%+38%+57%+57%75.8%57.7%55.2%15.2%8%8%2.7%2.3%Time To CompileTotal Time65.6%FLOAT65.1%J.S.O.RTime To Compile1000 Convex24.7%A.C.P21.8%1000 Stack16.9%CompositeRaytests13.9%Convex Trimesh13.6%3000 Fall8.2%D.L.M.FRhodopsin ProteinPrim Trimesh7.1%Monte Carlo4.7%F.F.T4.4%P.D.S2.7%3.M.MS.M.MTimed PHP CompilationC-RayHierarchical INTegrationSciMarkTimed Apache CompilationBullet Physics EngineTSCPBullet Physics EngineSciMarkBullet Physics EngineBullet Physics EngineBullet Physics EngineSciMarkLAMMPS Molecular Dynamics SimulatorBullet Physics EngineSciMarkSciMarkTimed HMMer SearchPolyBench-CSciMarkGCC 4.9.0 20140126LLVM Clang 3.4

LLVM 3.4 Clang Compiler AMD Kaveri Benchmarkingbuild-php: Time To Compilec-ray: Total Timehint: FLOATscimark2: Jacobi Successive Over-Relaxationbuild-apache: Time To Compilebullet: 1000 Convextscp: AI Chess Performancebullet: 1000 Stackscimark2: Compositebullet: Raytestsbullet: Convex Trimeshbullet: 3000 Fallscimark2: Dense LU Matrix Factorizationlammps: Rhodopsin Proteinbullet: Prim Trimeshscimark2: Monte Carloscimark2: Fast Fourier Transformhmmer: Pfam Database Searchpolybench-c: 3 Matrix Multiplicationsscimark2: Sparse Matrix Multiplyapache: Static Web Page Servinghimeno: Poisson Pressure Solvercrafty: Elapsed Timex264: H.264 Video Encodingblake2: Phoronix Test Suite v5.0.0m0ffmpeg: H.264 HD To NTSC DVfhourstones: Complex Connect-4 SolvingGCC 4.9.0 20140126LLVM Clang 3.458.3940.50239745129.57683.9958.937.207379199.43641.014.521.768.561164.8159.711.54420.0270.6919.34126.07865.5417507.22903.78103.3582.376.8021.379569.5033.2267.08145204373.311078.9737.988.9860578311.02738.285.152.009.261257.7155.301.65401.3367.7219.87122.80885.6917173.10886.78105.0181.916.7821.419557.57OpenBenchmarking.org

Timed PHP Compilation

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed PHP Compilation 5.2.9Time To CompileGCC 4.9.0 20140126LLVM Clang 3.41326395265SE +/- 0.12, N = 3SE +/- 0.05, N = 358.3933.221. (CC) gcc options: -O3 -march=native -pedantic -ldl -lz -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed PHP Compilation 5.2.9Time To CompileGCC 4.9.0 20140126LLVM Clang 3.41224364860Min: 58.24 / Avg: 58.39 / Max: 58.63Min: 33.11 / Avg: 33.22 / Max: 33.31. (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 4.9.0 20140126LLVM Clang 3.41530456075SE +/- 0.02, N = 3SE +/- 0.03, N = 340.5067.081. (CC) gcc options: -lm -lpthread -O3 -march=native
OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total TimeGCC 4.9.0 20140126LLVM Clang 3.41326395265Min: 40.47 / Avg: 40.5 / Max: 40.54Min: 67.02 / Avg: 67.08 / Max: 67.131. (CC) gcc options: -lm -lpthread -O3 -march=native

Hierarchical INTegration

This test runs the U.S. Department of Energy's Ames Laboratory Hierarchical INTegration (HINT) benchmark. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgQUIPs, More Is BetterHierarchical INTegration 1.0Test: FLOATGCC 4.9.0 20140126LLVM Clang 3.450M100M150M200M250MSE +/- 1044977.11, N = 3SE +/- 276317.42, N = 3239745129.57145204373.311. (CC) gcc options: -O3 -march=native -lm
OpenBenchmarking.orgQUIPs, More Is BetterHierarchical INTegration 1.0Test: FLOATGCC 4.9.0 20140126LLVM Clang 3.440M80M120M160M200MMin: 238403486.89 / Avg: 239745129.57 / Max: 241803728.87Min: 144687306.48 / Avg: 145204373.31 / Max: 145631830.891. (CC) gcc options: -O3 -march=native -lm

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: Jacobi Successive Over-RelaxationGCC 4.9.0 20140126LLVM Clang 3.42004006008001000SE +/- 0.06, N = 4SE +/- 0.11, N = 4683.991078.971. (CXX) g++ options: -O3 -march=native
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Jacobi Successive Over-RelaxationGCC 4.9.0 20140126LLVM Clang 3.42004006008001000Min: 683.85 / Avg: 683.99 / Max: 684.13Min: 1078.76 / Avg: 1078.97 / Max: 1079.271. (CXX) g++ options: -O3 -march=native

Timed Apache Compilation

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed Apache Compilation 2.4.7Time To CompileGCC 4.9.0 20140126LLVM Clang 3.41326395265SE +/- 0.14, N = 3SE +/- 0.06, N = 358.9337.98
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed Apache Compilation 2.4.7Time To CompileGCC 4.9.0 20140126LLVM Clang 3.41224364860Min: 58.67 / Avg: 58.93 / Max: 59.15Min: 37.89 / Avg: 37.98 / Max: 38.1

Bullet Physics Engine

OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 1000 ConvexGCC 4.9.0 20140126LLVM Clang 3.43691215SE +/- 0.02, N = 3SE +/- 0.00, N = 37.208.981. (CXX) g++ options: -O3 -march=native -rdynamic -lglut -lGL -lGLU
OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 1000 ConvexGCC 4.9.0 20140126LLVM Clang 3.43691215Min: 7.17 / Avg: 7.2 / Max: 7.24Min: 8.97 / Avg: 8.98 / Max: 8.981. (CXX) g++ options: -O3 -march=native -rdynamic -lglut -lGL -lGLU

TSCP

OpenBenchmarking.orgNodes Per Second, More Is BetterTSCP 1.81AI Chess PerformanceGCC 4.9.0 20140126LLVM Clang 3.4160K320K480K640K800KSE +/- 1107.98, N = 5SE +/- 326.52, N = 57379196057831. (CC) gcc options: -O3 -march=native
OpenBenchmarking.orgNodes Per Second, More Is BetterTSCP 1.81AI Chess PerformanceGCC 4.9.0 20140126LLVM Clang 3.4130K260K390K520K650KMin: 734370 / Avg: 737919 / Max: 740293Min: 605250 / Avg: 605783.2 / Max: 6065831. (CC) gcc options: -O3 -march=native

Bullet Physics Engine

OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 1000 StackGCC 4.9.0 20140126LLVM Clang 3.43691215SE +/- 0.04, N = 3SE +/- 0.06, N = 39.4311.021. (CXX) g++ options: -O3 -march=native -rdynamic -lglut -lGL -lGLU
OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 1000 StackGCC 4.9.0 20140126LLVM Clang 3.43691215Min: 9.37 / Avg: 9.43 / Max: 9.52Min: 10.95 / Avg: 11.02 / Max: 11.131. (CXX) g++ options: -O3 -march=native -rdynamic -lglut -lGL -lGLU

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 4.9.0 20140126LLVM Clang 3.4160320480640800SE +/- 0.78, N = 4SE +/- 1.36, N = 4641.01738.281. (CXX) g++ options: -O3 -march=native
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: CompositeGCC 4.9.0 20140126LLVM Clang 3.4130260390520650Min: 638.93 / Avg: 641.01 / Max: 642.73Min: 734.28 / Avg: 738.28 / Max: 740.271. (CXX) g++ options: -O3 -march=native

Bullet Physics Engine

OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: RaytestsGCC 4.9.0 20140126LLVM Clang 3.41.15882.31763.47644.63525.794SE +/- 0.01, N = 3SE +/- 0.01, N = 34.525.151. (CXX) g++ options: -O3 -march=native -rdynamic -lglut -lGL -lGLU
OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: RaytestsGCC 4.9.0 20140126LLVM Clang 3.4246810Min: 4.5 / Avg: 4.52 / Max: 4.54Min: 5.14 / Avg: 5.15 / Max: 5.161. (CXX) g++ options: -O3 -march=native -rdynamic -lglut -lGL -lGLU

OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: Convex TrimeshGCC 4.9.0 20140126LLVM Clang 3.40.450.91.351.82.25SE +/- 0.01, N = 3SE +/- 0.00, N = 31.762.001. (CXX) g++ options: -O3 -march=native -rdynamic -lglut -lGL -lGLU
OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: Convex TrimeshGCC 4.9.0 20140126LLVM Clang 3.4246810Min: 1.75 / Avg: 1.76 / Max: 1.77Min: 1.99 / Avg: 2 / Max: 2.011. (CXX) g++ options: -O3 -march=native -rdynamic -lglut -lGL -lGLU

OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 3000 FallGCC 4.9.0 20140126LLVM Clang 3.43691215SE +/- 0.01, N = 3SE +/- 0.05, N = 38.569.261. (CXX) g++ options: -O3 -march=native -rdynamic -lglut -lGL -lGLU
OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 3000 FallGCC 4.9.0 20140126LLVM Clang 3.43691215Min: 8.55 / Avg: 8.56 / Max: 8.58Min: 9.15 / Avg: 9.26 / Max: 9.321. (CXX) g++ options: -O3 -march=native -rdynamic -lglut -lGL -lGLU

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: Dense LU Matrix FactorizationGCC 4.9.0 20140126LLVM Clang 3.430060090012001500SE +/- 1.14, N = 4SE +/- 2.93, N = 41164.811257.711. (CXX) g++ options: -O3 -march=native
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Dense LU Matrix FactorizationGCC 4.9.0 20140126LLVM Clang 3.42004006008001000Min: 1161.76 / Avg: 1164.81 / Max: 1167.21Min: 1251.57 / Avg: 1257.71 / Max: 1263.981. (CXX) g++ options: -O3 -march=native

LAMMPS Molecular Dynamics Simulator

OpenBenchmarking.orgLoop Time, Fewer Is BetterLAMMPS Molecular Dynamics Simulator 1.0Test: Rhodopsin ProteinGCC 4.9.0 20140126LLVM Clang 3.41326395265SE +/- 0.17, N = 3SE +/- 0.14, N = 359.7155.301. (CXX) g++ options: -lfftw -lmpich
OpenBenchmarking.orgLoop Time, Fewer Is BetterLAMMPS Molecular Dynamics Simulator 1.0Test: Rhodopsin ProteinGCC 4.9.0 20140126LLVM Clang 3.41224364860Min: 59.49 / Avg: 59.71 / Max: 60.04Min: 55.07 / Avg: 55.3 / Max: 55.561. (CXX) g++ options: -lfftw -lmpich

Bullet Physics Engine

OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: Prim TrimeshGCC 4.9.0 20140126LLVM Clang 3.40.37130.74261.11391.48521.8565SE +/- 0.01, N = 3SE +/- 0.00, N = 31.541.651. (CXX) g++ options: -O3 -march=native -rdynamic -lglut -lGL -lGLU
OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: Prim TrimeshGCC 4.9.0 20140126LLVM Clang 3.4246810Min: 1.53 / Avg: 1.54 / Max: 1.56Min: 1.65 / Avg: 1.65 / Max: 1.661. (CXX) g++ options: -O3 -march=native -rdynamic -lglut -lGL -lGLU

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: Monte CarloGCC 4.9.0 20140126LLVM Clang 3.490180270360450SE +/- 4.58, N = 4SE +/- 2.09, N = 4420.02401.331. (CXX) g++ options: -O3 -march=native
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Monte CarloGCC 4.9.0 20140126LLVM Clang 3.470140210280350Min: 406.28 / Avg: 420.02 / Max: 424.72Min: 395.1 / Avg: 401.33 / Max: 403.721. (CXX) g++ options: -O3 -march=native

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Fast Fourier TransformGCC 4.9.0 20140126LLVM Clang 3.41632486480SE +/- 0.69, N = 4SE +/- 0.10, N = 470.6967.721. (CXX) g++ options: -O3 -march=native
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Fast Fourier TransformGCC 4.9.0 20140126LLVM Clang 3.41428425670Min: 69.29 / Avg: 70.69 / Max: 72.25Min: 67.53 / Avg: 67.72 / Max: 67.921. (CXX) g++ 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 4.9.0 20140126LLVM Clang 3.4510152025SE +/- 0.21, N = 3SE +/- 0.33, N = 319.3419.871. (CC) gcc options: -O3 -march=native -pthread -lhmmer -lsquid -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed HMMer Search 2.3.2Pfam Database SearchGCC 4.9.0 20140126LLVM Clang 3.4510152025Min: 19.11 / Avg: 19.34 / Max: 19.75Min: 19.34 / Avg: 19.87 / Max: 20.481. (CC) gcc options: -O3 -march=native -pthread -lhmmer -lsquid -lm

PolyBench-C

OpenBenchmarking.orgSeconds, Fewer Is BetterPolyBench-C 3.2Test: 3 Matrix MultiplicationsGCC 4.9.0 20140126LLVM Clang 3.4306090120150SE +/- 0.07, N = 3SE +/- 0.18, N = 3126.07122.801. (CC) gcc options: -O3 -march=native
OpenBenchmarking.orgSeconds, Fewer Is BetterPolyBench-C 3.2Test: 3 Matrix MultiplicationsGCC 4.9.0 20140126LLVM Clang 3.420406080100Min: 125.99 / Avg: 126.07 / Max: 126.21Min: 122.45 / Avg: 122.8 / Max: 122.991. (CC) gcc options: -O3 -march=native

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: Sparse Matrix MultiplyGCC 4.9.0 20140126LLVM Clang 3.42004006008001000SE +/- 6.95, N = 4SE +/- 3.68, N = 4865.54885.691. (CXX) g++ options: -O3 -march=native
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Sparse Matrix MultiplyGCC 4.9.0 20140126LLVM Clang 3.4160320480640800Min: 847.37 / Avg: 865.54 / Max: 878.31Min: 875.63 / Avg: 885.69 / Max: 893.291. (CXX) g++ options: -O3 -march=native

Apache Benchmark

OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.4.7Static Web Page ServingGCC 4.9.0 20140126LLVM Clang 3.44K8K12K16K20KSE +/- 172.83, N = 3SE +/- 207.92, N = 317507.2217173.101. (CC) gcc options: -shared -fPIC -pthread -O3 -march=native
OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.4.7Static Web Page ServingGCC 4.9.0 20140126LLVM Clang 3.43K6K9K12K15KMin: 17279.56 / Avg: 17507.22 / Max: 17846.31Min: 16757.57 / Avg: 17173.1 / Max: 17394.81. (CC) gcc options: -shared -fPIC -pthread -O3 -march=native

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 4.9.0 20140126LLVM Clang 3.42004006008001000SE +/- 2.10, N = 3SE +/- 0.97, N = 3903.78886.781. (CC) gcc options: -O3 -march=native
OpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure SolverGCC 4.9.0 20140126LLVM Clang 3.4160320480640800Min: 901.29 / Avg: 903.78 / Max: 907.94Min: 884.99 / Avg: 886.78 / Max: 888.331. (CC) gcc options: -O3 -march=native

Crafty

OpenBenchmarking.orgSeconds, Fewer Is BetterCrafty 23.4Elapsed TimeGCC 4.9.0 20140126LLVM Clang 3.420406080100SE +/- 0.26, N = 3SE +/- 0.18, N = 3103.35105.011. (CC) gcc options: -lstdc++ -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterCrafty 23.4Elapsed TimeGCC 4.9.0 20140126LLVM Clang 3.420406080100Min: 102.85 / Avg: 103.35 / Max: 103.73Min: 104.82 / Avg: 105.01 / Max: 105.371. (CC) gcc options: -lstdc++ -lm

x264

OpenBenchmarking.orgFrames Per Second, More Is Betterx264 2014-01-09H.264 Video EncodingGCC 4.9.0 20140126LLVM Clang 3.420406080100SE +/- 0.71, N = 5SE +/- 0.51, N = 582.3781.911. (CC) gcc options: -ldl -m64 -lm -lpthread -O3 -ffast-math -march=native -std=gnu99 -fomit-frame-pointer -fno-tree-vectorize
OpenBenchmarking.orgFrames Per Second, More Is Betterx264 2014-01-09H.264 Video EncodingGCC 4.9.0 20140126LLVM Clang 3.41632486480Min: 79.82 / Avg: 82.37 / Max: 83.52Min: 80.37 / Avg: 81.91 / Max: 83.161. (CC) gcc options: -ldl -m64 -lm -lpthread -O3 -ffast-math -march=native -std=gnu99 -fomit-frame-pointer -fno-tree-vectorize

BLAKE2

OpenBenchmarking.orgCycles Per Byte, Fewer Is BetterBLAKE2 20130131Phoronix Test Suite v5.0.0m0GCC 4.9.0 20140126LLVM Clang 3.4246810SE +/- 0.00, N = 3SE +/- 0.00, N = 36.806.781. (CC) gcc options: -std=gnu99 -O3 -march=native -lcrypto -lz
OpenBenchmarking.orgCycles Per Byte, Fewer Is BetterBLAKE2 20130131Phoronix Test Suite v5.0.0m0GCC 4.9.0 20140126LLVM Clang 3.43691215Min: 6.8 / Avg: 6.8 / Max: 6.81Min: 6.78 / Avg: 6.78 / Max: 6.781. (CC) gcc options: -std=gnu99 -O3 -march=native -lcrypto -lz

FFmpeg

OpenBenchmarking.orgSeconds, Fewer Is BetterFFmpeg 2.1.1H.264 HD To NTSC DVGCC 4.9.0 20140126LLVM Clang 3.4510152025SE +/- 0.14, N = 3SE +/- 0.03, N = 321.3721.41-fno-tree-vectorize -MF -MT-Qunused-arguments1. (CC) gcc options: -lavdevice -lavfilter -lavformat -lavcodec -lswresample -lswscale -lavutil -ldl -lasound -lSDL -lm -pthread -O3 -march=native -std=c99 -fomit-frame-pointer -fno-math-errno -fno-signed-zeros -MMD
OpenBenchmarking.orgSeconds, Fewer Is BetterFFmpeg 2.1.1H.264 HD To NTSC DVGCC 4.9.0 20140126LLVM Clang 3.4510152025Min: 21.09 / Avg: 21.37 / Max: 21.53Min: 21.37 / Avg: 21.41 / Max: 21.461. (CC) gcc options: -lavdevice -lavfilter -lavformat -lavcodec -lswresample -lswscale -lavutil -ldl -lasound -lSDL -lm -pthread -O3 -march=native -std=c99 -fomit-frame-pointer -fno-math-errno -fno-signed-zeros -MMD

Fhourstones

OpenBenchmarking.orgKpos / sec, More Is BetterFhourstones 3.1Complex Connect-4 SolvingGCC 4.9.0 20140126LLVM Clang 3.42K4K6K8K10KSE +/- 15.15, N = 3SE +/- 3.26, N = 39569.509557.571. (CC) gcc options: -O3
OpenBenchmarking.orgKpos / sec, More Is BetterFhourstones 3.1Complex Connect-4 SolvingGCC 4.9.0 20140126LLVM Clang 3.417003400510068008500Min: 9553.9 / Avg: 9569.5 / Max: 9599.8Min: 9551.4 / Avg: 9557.57 / Max: 9562.51. (CC) gcc options: -O3

GCC 4.9.0 20140126

Processor: AMD A10-7850K APU with Radeon R7 @ 3.70GHz (4 Cores), Motherboard: Gigabyte F2A88XM-D3H, Chipset: AMD Device 1422, Memory: 7168MB, Disk: 120GB KINGSTON SV300S3, Graphics: AMD Kaveri 1024MB, Audio: ATI R6xx HDMI, Monitor: TSB-TV, Network: Realtek RTL8111/8168/8411

OS: Ubuntu 14.04, Kernel: 3.13.0-5-generic (x86_64), Desktop: Unity 7.1.2, Display Driver: radeon 7.2.99, Compiler: GCC 4.9.0 20140126, File-System: ext4, Screen Resolution: 1920x1080

Kernel Notes: radeon.dpm=1
Compiler Notes: --disable-multilib --enable-checking=release --enable-languages=c,c++,fortran
Processor Notes: Scaling Governor: acpi-cpufreq ondemand

Testing initiated at 27 January 2014 14:44 by user phoronix.

LLVM Clang 3.4

Processor: AMD A10-7850K APU with Radeon R7 @ 3.70GHz (4 Cores), Motherboard: Gigabyte F2A88XM-D3H, Chipset: AMD Device 1422, Memory: 7168MB, Disk: 120GB KINGSTON SV300S3, Graphics: AMD Kaveri 1024MB, Audio: ATI R6xx HDMI, Monitor: TSB-TV, Network: Realtek RTL8111/8168/8411

OS: Ubuntu 14.04, Kernel: 3.13.0-5-generic (x86_64), Desktop: Unity 7.1.2, Display Driver: radeon 7.2.99, Compiler: Clang 3.4 + LLVM 3.4, File-System: ext4, Screen Resolution: 1920x1080

Kernel Notes: radeon.dpm=1
Compiler Notes: Optimized build; Built Jan 27 2014 (16:11:42); Default target: x86_64-unknown-linux-gnu; Host CPU: bdver3
Processor Notes: Scaling Governor: acpi-cpufreq ondemand

Testing initiated at 27 January 2014 18:41 by user phoronix.