LLVM Clang Intel Compiler Haswell Core-AVX2

LLVM Clang 3.3 and LLVM Clang 3.4 SVN compiler benchmarks from a Core i7 4750HQ Haswell CPU running Ubuntu Linux. -march=native and -O3 CFLAGS/CXXFLAGS set. Benchmarks by Michael Larabel for a future article on Phoronix.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 1309182-SO-LLVMCLANG36
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LLVM Clang 3.3
September 18 2013
 
LLVM Clang 3.4 SVN 20130918
September 18 2013
 
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LLVM Clang Intel Compiler Haswell Core-AVX2OpenBenchmarking.orgPhoronix Test SuiteIntel Core i7-4750HQ @ 2.00GHz (8 Cores)System76 Galago UltraProIntel Crystal Well DRAM8192MB120GB INTEL SSDMCEAC12Intel Crystal Well IGP (1200MHz)Intel Haswell HDMIIntel Connection I217-V + Intel Centrino Wireless-N 2230Ubuntu 13.103.11.0-7-generic (x86_64)Xfce 4.10X Server 1.14.2.901 (1.14.3 RC 1)intel 2.21.143.1 Mesa 9.2.0Clang 3.3 + LLVM 3.3Clang 3.4 (SVN 190956) + LLVM 3.4svnext41920x1080ProcessorMotherboardChipsetMemoryDiskGraphicsAudioNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilersFile-SystemScreen ResolutionLLVM Clang Intel Compiler Haswell Core-AVX2 BenchmarksSystem Logs- LLVM Clang 3.3: Optimized build; Built Sep 18 2013 (14:31:04); Default target: x86_64-unknown-linux-gnu; Host CPU: x86-64 - LLVM Clang 3.4 SVN 20130918: Optimized build; Built Sep 18 2013 (16:02:50); Default target: x86_64-unknown-linux-gnu; Host CPU: x86-64 - Scaling Governor: acpi-cpufreq ondemand

LLVM Clang 3.3 vs. LLVM Clang 3.4 SVN 20130918 ComparisonPhoronix Test SuiteBaseline+17.4%+17.4%+34.8%+34.8%+52.2%+52.2%69.5%20.8%15%3.1%2.2%D.L.M.FP.T.S.v.8.222.5%WAV To FLACWAV To MP3Time To Compile9%M.S.A4.5%F.F.T4.4%Total TimeP.P.STime To Compile2.1%SciMarkBLAKE2FLAC Audio EncodingLAME MP3 EncodingTimed ImageMagick CompilationTimed MAFFT AlignmentSciMarkC-RayHimeno BenchmarkTimed PHP CompilationLLVM Clang 3.3LLVM Clang 3.4 SVN 20130918

LLVM Clang Intel Compiler Haswell Core-AVX2parboil: Seven-Point Stencilparboil: Cutoff Pair Potentialmafft: Multiple Sequence Alignmentmrbayes: Primate Phylogeny Analysisblake2: Phoronix Test Suite v4.8.2scimark2: Monte Carloscimark2: Fast Fourier Transformscimark2: Sparse Matrix Multiplyscimark2: Dense LU Matrix Factorizationscimark2: Jacobi Successive Over-Relaxationhimeno: 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 MP3n-queens: Elapsed TimeLLVM Clang 3.3LLVM Clang 3.4 SVN 2013091893.9351.086.6415.565.16508.89350.722598.632474.931371.761463.7227.4817.7334.231746.3815.93243.186.9415.596.32508.28335.972552.024195.361374.841496.2629.9518.1033.191745.2813.85245.20OpenBenchmarking.org

Parboil

OpenBenchmarking.orgSeconds, Fewer Is BetterParboil 2.5Test: Seven-Point StencilLLVM Clang 3.320406080100SE +/- 0.90, N = 393.931. (CXX) g++ options: -lm -lpthread -lgomp -ffast-math -fopenmp

OpenBenchmarking.orgSeconds, Fewer Is BetterParboil 2.5Test: Cutoff Pair PotentialLLVM Clang 3.31224364860SE +/- 0.05, N = 351.081. (CXX) g++ options: -lm -lpthread -lgomp -ffast-math -fopenmp

Timed MAFFT Alignment

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed MAFFT Alignment 6.864Multiple Sequence AlignmentLLVM Clang 3.3LLVM Clang 3.4 SVN 20130918246810SE +/- 0.04, N = 3SE +/- 0.17, N = 66.646.941. (CC) gcc options: -O3 -lm -lpthread
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed MAFFT Alignment 6.864Multiple Sequence AlignmentLLVM Clang 3.3LLVM Clang 3.4 SVN 201309183691215Min: 6.59 / Avg: 6.64 / Max: 6.71Min: 6.58 / Avg: 6.94 / Max: 7.711. (CC) gcc options: -O3 -lm -lpthread

Timed MrBayes Analysis

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed MrBayes Analysis 3.1.2Primate Phylogeny AnalysisLLVM Clang 3.3LLVM Clang 3.4 SVN 2013091848121620SE +/- 0.03, N = 3SE +/- 0.06, N = 315.5615.59
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed MrBayes Analysis 3.1.2Primate Phylogeny AnalysisLLVM Clang 3.3LLVM Clang 3.4 SVN 2013091848121620Min: 15.52 / Avg: 15.56 / Max: 15.61Min: 15.51 / Avg: 15.59 / Max: 15.71

BLAKE2

OpenBenchmarking.orgCycles Per Byte, Fewer Is BetterBLAKE2 20121223Phoronix Test Suite v4.8.2LLVM Clang 3.3LLVM Clang 3.4 SVN 20130918246810SE +/- 0.00, N = 3SE +/- 0.02, N = 35.166.321. (CC) gcc options: -std=gnu99 -O3 -march=native -lcrypto -lz
OpenBenchmarking.orgCycles Per Byte, Fewer Is BetterBLAKE2 20121223Phoronix Test Suite v4.8.2LLVM Clang 3.3LLVM Clang 3.4 SVN 201309183691215Min: 5.16 / Avg: 5.16 / Max: 5.17Min: 6.29 / Avg: 6.32 / Max: 6.341. (CC) gcc options: -std=gnu99 -O3 -march=native -lcrypto -lz

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 CarloLLVM Clang 3.3LLVM Clang 3.4 SVN 20130918110220330440550SE +/- 0.99, N = 4SE +/- 0.60, N = 4508.89508.281. (CXX) g++ options: -O3 -march=native
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Monte CarloLLVM Clang 3.3LLVM Clang 3.4 SVN 2013091890180270360450Min: 506.48 / Avg: 508.89 / Max: 511.31Min: 506.48 / Avg: 508.28 / Max: 508.881. (CXX) g++ options: -O3 -march=native

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Fast Fourier TransformLLVM Clang 3.3LLVM Clang 3.4 SVN 2013091880160240320400SE +/- 20.23, N = 4SE +/- 26.60, N = 4350.72335.971. (CXX) g++ options: -O3 -march=native
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Fast Fourier TransformLLVM Clang 3.3LLVM Clang 3.4 SVN 2013091860120180240300Min: 290.05 / Avg: 350.72 / Max: 372.02Min: 256.18 / Avg: 335.97 / Max: 364.11. (CXX) g++ options: -O3 -march=native

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Sparse Matrix MultiplyLLVM Clang 3.3LLVM Clang 3.4 SVN 201309186001200180024003000SE +/- 7.05, N = 4SE +/- 0.00, N = 32598.632552.021. (CXX) g++ options: -O3 -march=native
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Sparse Matrix MultiplyLLVM Clang 3.3LLVM Clang 3.4 SVN 201309185001000150020002500Min: 2584.23 / Avg: 2598.63 / Max: 2617.25Min: 2552.02 / Avg: 2552.02 / Max: 2552.021. (CXX) g++ options: -O3 -march=native

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Dense LU Matrix FactorizationLLVM Clang 3.3LLVM Clang 3.4 SVN 201309189001800270036004500SE +/- 7.41, N = 4SE +/- 4.12, N = 42474.934195.361. (CXX) g++ options: -O3 -march=native
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Dense LU Matrix FactorizationLLVM Clang 3.3LLVM Clang 3.4 SVN 201309187001400210028003500Min: 2457.76 / Avg: 2474.93 / Max: 2492.21Min: 4183.01 / Avg: 4195.36 / Max: 4199.481. (CXX) g++ options: -O3 -march=native

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Jacobi Successive Over-RelaxationLLVM Clang 3.3LLVM Clang 3.4 SVN 2013091830060090012001500SE +/- 1.77, N = 4SE +/- 2.52, N = 41371.761374.841. (CXX) g++ options: -O3 -march=native
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Jacobi Successive Over-RelaxationLLVM Clang 3.3LLVM Clang 3.4 SVN 201309182004006008001000Min: 1368.69 / Avg: 1371.76 / Max: 1374.82Min: 1368.69 / Avg: 1374.84 / Max: 1381.021. (CXX) g++ options: -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 SolverLLVM Clang 3.3LLVM Clang 3.4 SVN 2013091830060090012001500SE +/- 1.19, N = 3SE +/- 1.52, N = 31463.721496.261. (CC) gcc options: -O3 -march=native
OpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure SolverLLVM Clang 3.3LLVM Clang 3.4 SVN 2013091830060090012001500Min: 1462.09 / Avg: 1463.72 / Max: 1466.03Min: 1493.89 / Avg: 1496.26 / Max: 1499.091. (CC) gcc options: -O3 -march=native

Timed ImageMagick Compilation

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed ImageMagick Compilation 6.8.1-10Time To CompileLLVM Clang 3.3LLVM Clang 3.4 SVN 20130918714212835SE +/- 0.07, N = 3SE +/- 0.27, N = 327.4829.95
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed ImageMagick Compilation 6.8.1-10Time To CompileLLVM Clang 3.3LLVM Clang 3.4 SVN 20130918714212835Min: 27.38 / Avg: 27.48 / Max: 27.6Min: 29.61 / Avg: 29.95 / Max: 30.48

Timed PHP Compilation

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed PHP Compilation 5.2.9Time To CompileLLVM Clang 3.3LLVM Clang 3.4 SVN 2013091848121620SE +/- 0.27, N = 3SE +/- 0.27, N = 317.7318.101. (CC) gcc options: -O3 -march=native -pedantic -ldl -lz -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed PHP Compilation 5.2.9Time To CompileLLVM Clang 3.3LLVM Clang 3.4 SVN 20130918510152025Min: 17.27 / Avg: 17.73 / Max: 18.21Min: 17.59 / Avg: 18.1 / Max: 18.51. (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 TimeLLVM Clang 3.3LLVM Clang 3.4 SVN 20130918816243240SE +/- 0.02, N = 3SE +/- 0.05, N = 334.2333.191. (CC) gcc options: -lm -lpthread -O3 -march=native
OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total TimeLLVM Clang 3.3LLVM Clang 3.4 SVN 20130918714212835Min: 34.2 / Avg: 34.23 / Max: 34.25Min: 33.09 / Avg: 33.19 / Max: 33.251. (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 SamplesLLVM Clang 3.3LLVM Clang 3.4 SVN 201309184080120160200SE +/- 0.33, N = 3SE +/- 0.00, N = 31741741. (CXX) g++ options: -fopenmp -O3 -march=native
OpenBenchmarking.orgSeconds, Fewer Is BetterSmallpt 1.0Global Illumination Renderer; 100 SamplesLLVM Clang 3.3LLVM Clang 3.4 SVN 20130918306090120150Min: 173 / Avg: 173.67 / Max: 174Min: 174 / Avg: 174 / Max: 1741. (CXX) g++ options: -fopenmp -O3 -march=native

FLAC Audio Encoding

OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.0WAV To FLACLLVM Clang 3.3LLVM Clang 3.4 SVN 20130918246810SE +/- 0.00, N = 5SE +/- 0.00, N = 56.385.281. (CXX) g++ options: -O3 -march=native -fvisibility=hidden -logg -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.0WAV To FLACLLVM Clang 3.3LLVM Clang 3.4 SVN 201309183691215Min: 6.37 / Avg: 6.38 / Max: 6.39Min: 5.27 / Avg: 5.28 / Max: 5.281. (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 MP3LLVM Clang 3.3LLVM Clang 3.4 SVN 2013091848121620SE +/- 0.02, N = 5SE +/- 0.00, N = 515.9313.851. (CC) gcc options: -pipe -O3 -march=native -lncurses -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.99.3WAV To MP3LLVM Clang 3.3LLVM Clang 3.4 SVN 2013091848121620Min: 15.85 / Avg: 15.93 / Max: 15.97Min: 13.84 / Avg: 13.85 / Max: 13.861. (CC) gcc options: -pipe -O3 -march=native -lncurses -lm

N-Queens

This is a test of the OpenMP version of a test that solves the N-queens problem. The board problem size is 18. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterN-Queens 1.0Elapsed TimeLLVM Clang 3.3LLVM Clang 3.4 SVN 2013091850100150200250SE +/- 0.08, N = 3SE +/- 0.01, N = 3243.18245.201. (CC) gcc options: -static -fopenmp -O3 -march=native
OpenBenchmarking.orgSeconds, Fewer Is BetterN-Queens 1.0Elapsed TimeLLVM Clang 3.3LLVM Clang 3.4 SVN 201309184080120160200Min: 243.04 / Avg: 243.18 / Max: 243.33Min: 245.19 / Avg: 245.2 / Max: 245.221. (CC) gcc options: -static -fopenmp -O3 -march=native