LLVM Clang 3.4 SVN - SLP Vectorizer

Benchmarking the SLP Vectorizer via -fslp-vectorize on LLVM Clang 3.4 SVN for a future article on Phoronix.com

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LLVM Clang 3.4 SVN
July 28 2013
 
-fslp-vectorize
July 29 2013
 
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LLVM Clang 3.4 SVN - SLP VectorizerOpenBenchmarking.orgPhoronix Test SuiteIntel Core i7 720Q @ 1.60GHz (8 Cores)LENOVO 4318CTOIntel Core DMI4096MB160GB INTEL SSDSA2M160NVIDIA Quadro FX 880M 1024MB (405/324MHz)Conexant CX20585Intel 82577LM Gigabit Connection + Intel Centrino Ultimate-N 6300Ubuntu 13.103.11.0-031100rc2-generic (x86_64)Xfce 4.10X Server 1.14.2nouveau 1.0.83.0 Mesa 9.1.4 Gallium 0.4Clang 3.4 (SVN 187338) + LLVM 3.4svnext41600x900ProcessorMotherboardChipsetMemoryDiskGraphicsAudioNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilerFile-SystemScreen ResolutionLLVM Clang 3.4 SVN - SLP Vectorizer BenchmarksSystem Logs- Optimized build; Built Jul 28 2013 (21:43:17); Default target: x86_64-unknown-linux-gnu; Host CPU: corei7 - Scaling Governor: acpi-cpufreq ondemand

LLVM Clang 3.4 SVN vs. -fslp-vectorize ComparisonPhoronix Test SuiteBaseline+2.2%+2.2%+4.4%+4.4%+6.6%+6.6%+8.8%+8.8%8.9%6.9%F.F.TP.P.SG.I.R.1.S2.7%SciMarkHimeno BenchmarkSmallptLLVM Clang 3.4 SVN-fslp-vectorize

LLVM Clang 3.4 SVN - SLP Vectorizerapache: Static Web Page Servingblake2: Phoronix Test Suite v4.8.0m4c-ray: Total Timeencode-flac: WAV To FLACgraphics-magick: Blurgraphics-magick: Sharpengraphics-magick: Resizinggraphics-magick: HWB Color Spacegraphics-magick: Local Adaptive Thresholdinghimeno: Poisson Pressure Solverencode-mp3: WAV To MP3n-queens: Elapsed Timeprimesieve: 1e12 Prime Number Generationscimark2: Compositescimark2: Monte Carloscimark2: Fast Fourier Transformscimark2: Sparse Matrix Multiplyscimark2: Dense LU Matrix Factorizationscimark2: Jacobi Successive Over-Relaxationsmallpt: Global Illumination Renderer; 100 Sampleshmmer: Pfam Database Searchbuild-imagemagick: Time To Compilemafft: Multiple Sequence Alignmentbuild-php: Time To Compilex264: H.264 Video EncodingLLVM Clang 3.4 SVN-fslp-vectorize9830.614.2075.988.8653366680321055.0822.64345.38614.07976.45378.75173.571234.662003.231092.0329327.3365.8815.4241.9759.639715.204.2075.878.8653366680321127.3722.78343.15614.34977.27379.41189.101228.191995.651093.9830127.3066.3115.4442.0759.83OpenBenchmarking.org

Apache Benchmark

OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.4.3Static Web Page ServingLLVM Clang 3.4 SVN-fslp-vectorize2K4K6K8K10KSE +/- 60.14, N = 3SE +/- 44.32, N = 39830.619715.201. (CC) gcc options: -shared -fPIC -pthread -O3 -march=native

BLAKE2

OpenBenchmarking.orgCycles Per Byte, Fewer Is BetterBLAKE2 20121223Phoronix Test Suite v4.8.0m4LLVM Clang 3.4 SVN-fslp-vectorize0.9451.892.8353.784.725SE +/- 0.01, N = 3SE +/- 0.00, N = 34.204.201. (CC) gcc options: -std=gnu99 -O3 -march=native -lcrypto -lz

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 3.4 SVN-fslp-vectorize20406080100SE +/- 0.04, N = 3SE +/- 0.01, N = 375.9875.87-fslp-vectorize1. (CC) gcc options: -lm -lpthread -O3 -march=native

FLAC Audio Encoding

OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.0WAV To FLACLLVM Clang 3.4 SVN-fslp-vectorize246810SE +/- 0.01, N = 5SE +/- 0.01, N = 58.868.86-fslp-vectorize1. (CXX) g++ options: -O3 -march=native -fvisibility=hidden -logg -lm

GraphicsMagick

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.16Operation: BlurLLVM Clang 3.4 SVN-fslp-vectorize1224364860SE +/- 0.00, N = 3SE +/- 0.00, N = 35353-fslp-vectorize1. (CC) gcc options: -O3 -march=native -pthread -lXext -lSM -lICE -lX11 -lxml2 -lz -lm -lpthread

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.16Operation: SharpenLLVM Clang 3.4 SVN-fslp-vectorize816243240SE +/- 0.00, N = 3SE +/- 0.00, N = 33636-fslp-vectorize1. (CC) gcc options: -O3 -march=native -pthread -lXext -lSM -lICE -lX11 -lxml2 -lz -lm -lpthread

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.16Operation: ResizingLLVM Clang 3.4 SVN-fslp-vectorize1530456075SE +/- 0.00, N = 3SE +/- 0.33, N = 36666-fslp-vectorize1. (CC) gcc options: -O3 -march=native -pthread -lXext -lSM -lICE -lX11 -lxml2 -lz -lm -lpthread

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.16Operation: HWB Color SpaceLLVM Clang 3.4 SVN-fslp-vectorize20406080100SE +/- 0.00, N = 3SE +/- 0.33, N = 38080-fslp-vectorize1. (CC) gcc options: -O3 -march=native -pthread -lXext -lSM -lICE -lX11 -lxml2 -lz -lm -lpthread

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.16Operation: Local Adaptive ThresholdingLLVM Clang 3.4 SVN-fslp-vectorize714212835SE +/- 0.00, N = 3SE +/- 0.00, N = 33232-fslp-vectorize1. (CC) gcc options: -O3 -march=native -pthread -lXext -lSM -lICE -lX11 -lxml2 -lz -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.

OpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure SolverLLVM Clang 3.4 SVN-fslp-vectorize2004006008001000SE +/- 5.78, N = 3SE +/- 0.79, N = 31055.081127.37-fslp-vectorize1. (CC) gcc options: -O3 -march=native

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 3.4 SVN-fslp-vectorize510152025SE +/- 0.02, N = 5SE +/- 0.01, N = 522.6422.78-fslp-vectorize1. (CC) gcc options: -pipe -O3 -march=native -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 3.4 SVN-fslp-vectorize80160240320400SE +/- 0.89, N = 3SE +/- 0.03, N = 3345.38343.15-fslp-vectorize1. (CC) gcc options: -static -fopenmp -O3 -march=native

Primesieve

OpenBenchmarking.orgSeconds, Fewer Is BetterPrimesieve 4.21e12 Prime Number GenerationLLVM Clang 3.4 SVN-fslp-vectorize130260390520650SE +/- 0.26, N = 3SE +/- 0.14, N = 3614.07614.341. (CXX) g++ options: -O2

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: CompositeLLVM Clang 3.4 SVN-fslp-vectorize2004006008001000SE +/- 1.47, N = 4SE +/- 0.78, N = 4976.45977.27-fslp-vectorize1. (CXX) g++ options: -O3 -march=native

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Monte CarloLLVM Clang 3.4 SVN-fslp-vectorize80160240320400SE +/- 0.38, N = 4SE +/- 0.00, N = 4378.75379.41-fslp-vectorize1. (CXX) g++ options: -O3 -march=native

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Fast Fourier TransformLLVM Clang 3.4 SVN-fslp-vectorize4080120160200SE +/- 0.61, N = 4SE +/- 0.40, N = 4173.57189.10-fslp-vectorize1. (CXX) g++ options: -O3 -march=native

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Sparse Matrix MultiplyLLVM Clang 3.4 SVN-fslp-vectorize30060090012001500SE +/- 0.93, N = 4SE +/- 1.06, N = 41234.661228.19-fslp-vectorize1. (CXX) g++ options: -O3 -march=native

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Dense LU Matrix FactorizationLLVM Clang 3.4 SVN-fslp-vectorize400800120016002000SE +/- 8.33, N = 4SE +/- 3.58, N = 42003.231995.65-fslp-vectorize1. (CXX) g++ options: -O3 -march=native

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Jacobi Successive Over-RelaxationLLVM Clang 3.4 SVN-fslp-vectorize2004006008001000SE +/- 0.98, N = 4SE +/- 0.98, N = 41092.031093.98-fslp-vectorize1. (CXX) g++ options: -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 3.4 SVN-fslp-vectorize70140210280350SE +/- 0.58, N = 3SE +/- 0.88, N = 3293301-fslp-vectorize1. (CXX) g++ options: -fopenmp -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 SearchLLVM Clang 3.4 SVN-fslp-vectorize612182430SE +/- 0.02, N = 3SE +/- 0.03, N = 327.3327.30-fslp-vectorize1. (CC) gcc options: -O3 -march=native -pthread -lhmmer -lsquid -lm

Timed ImageMagick Compilation

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed ImageMagick Compilation 6.8.1-10Time To CompileLLVM Clang 3.4 SVN-fslp-vectorize1530456075SE +/- 0.18, N = 3SE +/- 0.13, N = 365.8866.31

Timed MAFFT Alignment

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed MAFFT Alignment 6.864Multiple Sequence AlignmentLLVM Clang 3.4 SVN-fslp-vectorize48121620SE +/- 0.25, N = 6SE +/- 0.23, N = 515.4215.441. (CC) gcc options: -O3 -lm -lpthread

Timed PHP Compilation

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed PHP Compilation 5.2.9Time To CompileLLVM Clang 3.4 SVN-fslp-vectorize1020304050SE +/- 0.10, N = 3SE +/- 0.07, N = 341.9742.07-fslp-vectorize1. (CC) gcc options: -O3 -march=native -pedantic -ldl -lz -lm

x264

OpenBenchmarking.orgFrames Per Second, More Is Betterx264 2013-06-08H.264 Video EncodingLLVM Clang 3.4 SVN-fslp-vectorize1326395265SE +/- 0.14, N = 5SE +/- 0.11, N = 559.6359.83-fslp-vectorize1. (CC) gcc options: -ldl -m64 -lm -lpthread -O3 -ffast-math -march=native -std=gnu99 -fomit-frame-pointer -fno-tree-vectorize