LLVM Clang 3.2 Release

Final release benchmarking of LLVM Clang 3.2 final release using optimized/non-debug/non-assert builds of LLVM Clang 3.1, LLVM Clang 3.2, GCC 4.7.2, and GCC 4.8 snapshot from late December. Benchmarking on an Intel Core i7 3770K Ivy Bridge processor with flags of -O3 and -march=native. Compiler benchmarking 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 1212278-RA-LLVMCLANG86
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LLVM Clang 3.2 ReleaseOpenBenchmarking.orgPhoronix Test SuiteIntel Core i7-3770K @ 3.50GHz (8 Cores)ECS Z77H2-A2X v1.0Intel Xeon E3-1200 v2/3rd8192MB60GB OCZ VERTEX2NVIDIA GeForce GT 220 (405/324MHz)Realtek ALC892DELL P2210HRealtek RTL8111/8168B + Intel Centrino Advanced-N 6205Ubuntu 13.043.7.0-7-generic (x86_64)Unity 6.6.0X Server 1.13.0.902 (1.13.1 RC 2)nouveau 1.0.43.0 Mesa 9.0.1 Gallium 0.4Clang 3.1 + LLVM 3.1Clang 3.2 + LLVM 3.2svnGCC 4.7.2GCC 4.8.0 20121223ext41920x1080ProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilersFile-SystemScreen ResolutionLLVM Clang 3.2 Release BenchmarksSystem Logs- LLVM Clang 3.1: Optimized build; Built Dec 26 2012 (09:07:02); Default target: x86_64-unknown-linux-gnu; Host CPU: i686 - LLVM Clang 3.2: Optimized build; Built Dec 26 2012 (08:48:06); Default target: x86_64-unknown-linux-gnu; Host CPU: core-avx-i - GCC 4.7.2: --enable-checking=release --enable-languages=c,c++ --enable-lto - GCC 4.8.0 20121223: --enable-checking=release --enable-languages=c,c++ --enable-lto - Scaling Governor: ondemand- Compiz was running on this system.

LLVM Clang 3.1LLVM Clang 3.2GCC 4.7.2GCC 4.8.0 20121223Logarithmic Result OverviewPhoronix Test SuiteSmallptGraphicsMagickC-RaySciMarkTimed HMMer SearchTachyonTimed MAFFT AlignmentVP8 libvpx EncodingLAME MP3 EncodingFFmpegHimeno Benchmark7-Zip CompressionApache BenchmarkNGINX BenchmarkOpenSSL

LLVM Clang 3.2 Releaseapache: Static Web Page Servingnginx: Static Web Page Servingopenssl: RSA 4096-bit Performancetachyon: Total Timeffmpeg: H.264 HD To NTSC DVencode-mp3: WAV To MP3smallpt: Global Illumination Renderer; 100 Samplesc-ray: Total Timecompress-7zip: Compress Speed Testhimeno: Poisson Pressure Solvergraphics-magick: Local Adaptive Thresholdinggraphics-magick: HWB Color Spacegraphics-magick: Resizinggraphics-magick: Sharpengraphics-magick: Blurx264: H.264 Video Encodingvpxenc: vpxencjohn-the-ripper: Blowfishscimark2: Jacobi Successive Over-Relaxationscimark2: Dense LU Matrix Factorizationscimark2: Sparse Matrix Multiplyscimark2: Fast Fourier Transformscimark2: Monte Carloblake2: Phoronix Test Suite v4.2.0m3mafft: Multiple Sequence Alignmenthmmer: Pfam Database SearchLLVM Clang 3.1LLVM Clang 3.2GCC 4.7.2GCC 4.8.0 2012122331339.1936541.41129.5711.0317.0813.8921739.28214151626.13461411065491149.7627.009711681.083049.852352.37334.23614.026.4512.1631118.5236743.93130.3711.1516.8413.3422732.31211691641.0746149913186150.4027.739811682.232402.432566.30334.01618.435.846.2712.2031218.7236874.67130.7313.0616.5513.763832.13218241651.8211819816895141156.0828.2760351180.322407.842250.55347.48423.575.365.6910.0931010.5936709.66130.5713.0316.6013.463828.15213931676.601181971679514027.671179.182391.652260.04338.87555.635.325.8610.15OpenBenchmarking.org

Apache Benchmark

OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.4.3Static Web Page ServingLLVM Clang 3.1GCC 4.7.2LLVM Clang 3.2GCC 4.8.0 201212237K14K21K28K35KSE +/- 289.39, N = 3SE +/- 315.04, N = 3SE +/- 215.45, N = 3SE +/- 211.88, N = 331339.1931218.7231118.5231010.59-march=native-march=native-march=native1. (CC) gcc options: -shared -fPIC -pthread -O3

NGINX Benchmark

OpenBenchmarking.orgRequests Per Second, More Is BetterNGINX Benchmark 1.0.11Static Web Page ServingGCC 4.7.2LLVM Clang 3.2GCC 4.8.0 20121223LLVM Clang 3.18K16K24K32K40KSE +/- 69.09, N = 3SE +/- 266.37, N = 3SE +/- 182.99, N = 3SE +/- 54.40, N = 336874.6736743.9336709.6636541.411. (CC) gcc options: -lpthread -lcrypt -lcrypto -lz

OpenSSL

OpenBenchmarking.orgSigns Per Second, More Is BetterOpenSSL 1.0.1cRSA 4096-bit PerformanceGCC 4.7.2GCC 4.8.0 20121223LLVM Clang 3.2LLVM Clang 3.1306090120150SE +/- 0.12, N = 3SE +/- 0.09, N = 3SE +/- 0.15, N = 3SE +/- 0.34, N = 3130.73130.57130.37129.571. (CC) gcc options: -m64 -O3 -lssl -lcrypto -ldl

Tachyon

OpenBenchmarking.orgSeconds, Fewer Is BetterTachyon 0.98.9Total TimeLLVM Clang 3.1LLVM Clang 3.2GCC 4.8.0 20121223GCC 4.7.23691215SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.02, N = 3SE +/- 0.02, N = 311.0311.1513.0313.061. (CC) gcc options: -m32 -O3 -fomit-frame-pointer -ffast-math -ltachyon -lm -lpthread

FFmpeg

OpenBenchmarking.orgSeconds, Fewer Is BetterFFmpeg 1.0H.264 HD To NTSC DVGCC 4.7.2GCC 4.8.0 20121223LLVM Clang 3.2LLVM Clang 3.148121620SE +/- 0.09, N = 3SE +/- 0.08, N = 3SE +/- 0.21, N = 3SE +/- 0.20, N = 316.5516.6016.8417.081. (CC) gcc options: -lavdevice -lavfilter -lavformat -lavcodec -lswresample -lswscale -lavutil -ldl -lasound -lSDL -lm -pthread -lbz2 -lrt

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 3.2GCC 4.8.0 20121223GCC 4.7.2LLVM Clang 3.148121620SE +/- 0.01, N = 5SE +/- 0.02, N = 5SE +/- 0.01, N = 5SE +/- 0.01, N = 513.3413.4613.7613.89

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 4.8.0 20121223LLVM Clang 3.1LLVM Clang 3.250100150200250SE +/- 0.33, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 2.33, N = 33838217227-march=native-march=native-march=native1. (CXX) g++ options: -fopenmp -O3

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 4.8.0 20121223GCC 4.7.2LLVM Clang 3.2LLVM Clang 3.1918273645SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 328.1532.1332.3139.28-march=native-march=native-march=native1. (CC) gcc options: -lm -lpthread -O3

7-Zip Compression

OpenBenchmarking.orgMIPS, More Is Better7-Zip Compression 9.20.1Compress Speed TestGCC 4.7.2LLVM Clang 3.1GCC 4.8.0 20121223LLVM Clang 3.25K10K15K20K25KSE +/- 103.34, N = 3SE +/- 370.18, N = 4SE +/- 81.74, N = 3SE +/- 392.50, N = 3218242141521393211691. (CXX) g++ options: -pipe -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 SolverGCC 4.8.0 20121223GCC 4.7.2LLVM Clang 3.2LLVM Clang 3.1400800120016002000SE +/- 2.28, N = 3SE +/- 30.11, N = 3SE +/- 3.70, N = 3SE +/- 2.66, N = 31676.601651.821641.071626.13-march=native-march=native-march=native1. (CC) gcc options: -O3

GraphicsMagick

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.16Operation: Local Adaptive ThresholdingGCC 4.8.0 20121223GCC 4.7.2LLVM Clang 3.2LLVM Clang 3.1306090120150SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 31181184646-std=gnu99 -fopenmp -march=native -lrt-std=gnu99 -fopenmp -march=native -lrt-march=native1. (CC) gcc options: -O3 -pthread -lXext -lX11 -lbz2 -lz -lm -lpthread

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.16Operation: HWB Color SpaceGCC 4.7.2GCC 4.8.0 20121223LLVM Clang 3.2LLVM Clang 3.14080120160200SE +/- 0.00, N = 3SE +/- 0.33, N = 3SE +/- 0.00, N = 3SE +/- 0.33, N = 3198197149141-std=gnu99 -fopenmp -march=native -lrt-std=gnu99 -fopenmp -march=native -lrt-march=native1. (CC) gcc options: -O3 -pthread -lXext -lX11 -lbz2 -lz -lm -lpthread

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.16Operation: ResizingGCC 4.7.2GCC 4.8.0 20121223LLVM Clang 3.1LLVM Clang 3.24080120160200SE +/- 0.33, N = 3SE +/- 0.33, N = 3SE +/- 0.33, N = 3SE +/- 0.00, N = 316816710691-std=gnu99 -fopenmp -march=native -lrt-std=gnu99 -fopenmp -march=native -lrt-march=native1. (CC) gcc options: -O3 -pthread -lXext -lX11 -lbz2 -lz -lm -lpthread

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.16Operation: SharpenGCC 4.8.0 20121223GCC 4.7.2LLVM Clang 3.1LLVM Clang 3.220406080100SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 395955431-std=gnu99 -fopenmp -march=native -lrt-std=gnu99 -fopenmp -march=native -lrt-march=native1. (CC) gcc options: -O3 -pthread -lXext -lX11 -lbz2 -lz -lm -lpthread

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.16Operation: BlurGCC 4.7.2GCC 4.8.0 20121223LLVM Clang 3.1LLVM Clang 3.2306090120150SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.33, N = 3SE +/- 0.00, N = 31411409186-std=gnu99 -fopenmp -march=native -lrt-std=gnu99 -fopenmp -march=native -lrt-march=native1. (CC) gcc options: -O3 -pthread -lXext -lX11 -lbz2 -lz -lm -lpthread

x264

OpenBenchmarking.orgFrames Per Second, More Is Betterx264 2012-10-03H.264 Video EncodingGCC 4.7.2LLVM Clang 3.2LLVM Clang 3.1306090120150SE +/- 0.60, N = 3SE +/- 1.79, N = 3SE +/- 1.17, N = 3156.08150.40149.76

VP8 libvpx Encoding

OpenBenchmarking.orgFrames Per Second, More Is BetterVP8 libvpx Encoding 1.1.0vpxencGCC 4.7.2LLVM Clang 3.2GCC 4.8.0 20121223LLVM Clang 3.1714212835SE +/- 0.14, N = 3SE +/- 0.08, N = 3SE +/- 0.19, N = 3SE +/- 0.16, N = 328.2727.7327.6727.001. (CC) gcc options: -m64 -lvpx -lm -lpthread

John The Ripper

OpenBenchmarking.orgReal C/S, More Is BetterJohn The Ripper 1.7.9-jumbo-7Test: BlowfishGCC 4.7.2LLVM Clang 3.2LLVM Clang 3.113002600390052006500SE +/- 0.00, N = 3SE +/- 4.37, N = 3SE +/- 2.67, N = 360359819711. (CC) gcc options: -lssl -lcrypto -lm -lz -fopenmp -lcrypt -ldl

SciMark

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Jacobi Successive Over-RelaxationLLVM Clang 3.2LLVM Clang 3.1GCC 4.7.2GCC 4.8.0 20121223400800120016002000SE +/- 1.33, N = 4SE +/- 1.15, N = 4SE +/- 1.14, N = 4SE +/- 0.00, N = 41682.231681.081180.321179.18

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Dense LU Matrix FactorizationLLVM Clang 3.1GCC 4.7.2LLVM Clang 3.2GCC 4.8.0 201212237001400210028003500SE +/- 7.43, N = 4SE +/- 3.14, N = 4SE +/- 4.42, N = 4SE +/- 4.38, N = 43049.852407.842402.432391.65

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Sparse Matrix MultiplyLLVM Clang 3.2LLVM Clang 3.1GCC 4.8.0 20121223GCC 4.7.26001200180024003000SE +/- 15.62, N = 4SE +/- 5.06, N = 4SE +/- 11.55, N = 4SE +/- 0.00, N = 42566.302352.372260.042250.55

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Fast Fourier TransformGCC 4.7.2GCC 4.8.0 20121223LLVM Clang 3.1LLVM Clang 3.280160240320400SE +/- 1.06, N = 4SE +/- 0.67, N = 4SE +/- 0.53, N = 4SE +/- 3.32, N = 4347.48338.87334.23334.01

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Monte CarloLLVM Clang 3.2LLVM Clang 3.1GCC 4.8.0 20121223GCC 4.7.2130260390520650SE +/- 0.85, N = 4SE +/- 1.50, N = 4SE +/- 0.41, N = 4SE +/- 0.48, N = 4618.43614.02555.63423.57

BLAKE2

OpenBenchmarking.orgCycles Per Byte, Fewer Is BetterBLAKE2 20121223Phoronix Test Suite v4.2.0m3GCC 4.8.0 20121223GCC 4.7.2LLVM Clang 3.21.3142.6283.9425.2566.57SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.03, N = 35.325.365.841. (CC) gcc options: -std=gnu99 -O3 -march=native

Timed MAFFT Alignment

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed MAFFT Alignment 6.864Multiple Sequence AlignmentGCC 4.7.2GCC 4.8.0 20121223LLVM Clang 3.2LLVM Clang 3.1246810SE +/- 0.12, N = 6SE +/- 0.12, N = 6SE +/- 0.02, N = 3SE +/- 0.13, N = 65.695.866.276.451. (CC) gcc options: -O3 -lm -lpthread

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 4.8.0 20121223LLVM Clang 3.1LLVM Clang 3.23691215SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.10, N = 3SE +/- 0.03, N = 310.0910.1512.1612.20-march=native-march=native-march=native1. (CC) gcc options: -O3 -pthread -lhmmer -lsquid -lm