Intel Core i7 Ivy Bridge GCC Compiler Tuning

GCC 4.7.0 compiler tuning with Intel Ivy Bridge looking at the performance of various compiler flags. Testing for a future article on Phoronix.com. Tested options were march=nocona, march=core2, march=corei7, march=corei7-avx, and march=core-avx-i. The -O3 was also set for the CFLAG/CXXFLAGS for all runs.

HTML result view exported from: https://openbenchmarking.org/result/1206055-SU-INTELCORE01.

Intel Core i7 Ivy Bridge GCC Compiler TuningProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilerFile-SystemScreen Resolutionmarch=noconamarch=core2march=corei7march=corei7-avxmarch=core-avx-iIntel Core i7-3770K @ 3.50GHz (8 Cores)ECS Z77H2-A2X v1.0Intel Ivy Bridge DRAM15360MB240GB OCZ VERTEX3Intel Ivy BridgeRealtek ALC892DELL P2210HRealtek RTL8111/8168BUbuntu 12.043.4.0-999-generic (x86_64)Unity 5.10.0X Server 1.11.3intel 2.18.02.1 Mesa 8.1-devel (git-137c5ec)GCC 4.7.0ext41920x1080OpenBenchmarking.orgCompiler Details- --disable-multilib --enable-checking=release --enable-languages=c,c++,fortran --enable-ltoProcessor Details- Scaling Governor: ondemandSystem Details- Compiz was running on this system.

Intel Core i7 Ivy Bridge GCC Compiler Tuninghmmer: Pfam Database Searchbyte: Dhrystone 2ttsiod-renderer: Phong Rendering With Soft-Shadow Mappinggraphics-magick: Blurgraphics-magick: Sharpengraphics-magick: Resizinggraphics-magick: HWB Color Spacegraphics-magick: Local Adaptive Thresholdinghimeno: Poisson Pressure Solverbuild-php: Time To Compilec-ray: Total Timesmallpt: Global Illumination Renderer; 100 Samplescompress-lzma: 256MB File Compressiondcraw: RAW To PPM Image Conversionencode-mp3: WAV To MP3nero2d: Total Timepgbench: TPC-B Transactions Per Secondapache: Static Web Page Servingmarch=noconamarch=core2march=corei7march=corei7-avxmarch=core-avx-i10.1527036432.83132.9513684166204841620.3724.9180.3725132.4916.0913.16414.673066.1433671.4010.1226589940.70133.0313584165202831646.2226.55101.1425132.6015.9013.50410.683063.3933993.6210.1826626074.10132.4413483165202831636.5426.6490.9425132.4715.8113.35408.943060.4634158.3010.1426633781.23136.9314496173204841655.2627.0986.3124132.6616.1513.22409.413038.4034163.6410.0726620703.27137.1314496173204841646.1027.0589.8225132.3216.1813.25408.703028.5733480.13OpenBenchmarking.org

Timed HMMer Search

Pfam Database Search

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed HMMer Search 2.3.2Pfam Database Searchmarch=noconamarch=core2march=corei7march=corei7-avxmarch=core-avx-i3691215SE +/- 0.03, N = 3SE +/- 0.02, N = 3SE +/- 0.17, N = 3SE +/- 0.14, N = 3SE +/- 0.03, N = 310.1510.1210.1810.1410.07-march=nocona-march=core2-march=corei7-march=corei7-avx-march=core-avx-i1. (CC) gcc options: -O3 -pthread -lhmmer -lsquid -lm

BYTE Unix Benchmark

Computational Test: Dhrystone 2

OpenBenchmarking.orgLPS, More Is BetterBYTE Unix Benchmark 3.6Computational Test: Dhrystone 2march=noconamarch=core2march=corei7march=corei7-avxmarch=core-avx-i6M12M18M24M30MSE +/- 10729.97, N = 3SE +/- 16796.57, N = 3SE +/- 1818.89, N = 3SE +/- 6613.46, N = 3SE +/- 3694.38, N = 327036432.8326589940.7026626074.1026633781.2326620703.27-march=nocona-march=core2-march=corei7-march=corei7-avx-march=core-avx-i1. (CC) gcc options: -O3

TTSIOD 3D Renderer

Phong Rendering With Soft-Shadow Mapping

OpenBenchmarking.orgFPS, More Is BetterTTSIOD 3D Renderer 2.2wPhong Rendering With Soft-Shadow Mappingmarch=noconamarch=core2march=corei7march=corei7-avxmarch=core-avx-i306090120150SE +/- 0.12, N = 3SE +/- 0.02, N = 3SE +/- 0.16, N = 3SE +/- 0.42, N = 3SE +/- 0.21, N = 3132.95133.03132.44136.93137.13-march=nocona-march=core2-march=corei7-march=corei7-avx-march=core-avx-i1. (CXX) g++ options: -O3 -fomit-frame-pointer -ffast-math -mtune=native -flto -msse -mrecip -mfpmath=sse -msse2 -mssse3 -lSDL -lstdc++

GraphicsMagick

Operation: Blur

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.12Operation: Blurmarch=noconamarch=core2march=corei7march=corei7-avxmarch=core-avx-i306090120150SE +/- 0.00, N = 3SE +/- 0.33, N = 3SE +/- 0.33, N = 3SE +/- 0.33, N = 3SE +/- 0.33, N = 3136135134144144-march=nocona-march=core2-march=corei7-march=corei7-avx-march=core-avx-i1. (CC) gcc options: -std=gnu99 -fopenmp -O3 -pthread -ltiff -lfreetype -lXext -lSM -lICE -lX11 -lz -lm -lrt -lpthread

GraphicsMagick

Operation: Sharpen

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.12Operation: Sharpenmarch=noconamarch=core2march=corei7march=corei7-avxmarch=core-avx-i20406080100SE +/- 0.33, N = 3SE +/- 0.00, N = 3SE +/- 0.33, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 38484839696-march=nocona-march=core2-march=corei7-march=corei7-avx-march=core-avx-i1. (CC) gcc options: -std=gnu99 -fopenmp -O3 -pthread -ltiff -lfreetype -lXext -lSM -lICE -lX11 -lz -lm -lrt -lpthread

GraphicsMagick

Operation: Resizing

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.12Operation: Resizingmarch=noconamarch=core2march=corei7march=corei7-avxmarch=core-avx-i4080120160200SE +/- 0.00, N = 3SE +/- 0.33, N = 3SE +/- 0.33, N = 3SE +/- 0.33, N = 3SE +/- 0.00, N = 3166165165173173-march=nocona-march=core2-march=corei7-march=corei7-avx-march=core-avx-i1. (CC) gcc options: -std=gnu99 -fopenmp -O3 -pthread -ltiff -lfreetype -lXext -lSM -lICE -lX11 -lz -lm -lrt -lpthread

GraphicsMagick

Operation: HWB Color Space

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.12Operation: HWB Color Spacemarch=noconamarch=core2march=corei7march=corei7-avxmarch=core-avx-i4080120160200SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.33, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3204202202204204-march=nocona-march=core2-march=corei7-march=corei7-avx-march=core-avx-i1. (CC) gcc options: -std=gnu99 -fopenmp -O3 -pthread -ltiff -lfreetype -lXext -lSM -lICE -lX11 -lz -lm -lrt -lpthread

GraphicsMagick

Operation: Local Adaptive Thresholding

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.12Operation: Local Adaptive Thresholdingmarch=noconamarch=core2march=corei7march=corei7-avxmarch=core-avx-i20406080100SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.33, N = 3SE +/- 0.33, N = 38483838484-march=nocona-march=core2-march=corei7-march=corei7-avx-march=core-avx-i1. (CC) gcc options: -std=gnu99 -fopenmp -O3 -pthread -ltiff -lfreetype -lXext -lSM -lICE -lX11 -lz -lm -lrt -lpthread

Himeno Benchmark

Poisson Pressure Solver

OpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure Solvermarch=noconamarch=core2march=corei7march=corei7-avxmarch=core-avx-i400800120016002000SE +/- 6.23, N = 3SE +/- 12.22, N = 3SE +/- 18.31, N = 3SE +/- 4.68, N = 3SE +/- 4.78, N = 31620.371646.221636.541655.261646.10-march=nocona-march=core2-march=corei7-march=corei7-avx-march=core-avx-i1. (CC) gcc options: -O3

Timed PHP Compilation

Time To Compile

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed PHP Compilation 5.2.9Time To Compilemarch=noconamarch=core2march=corei7march=corei7-avxmarch=core-avx-i612182430SE +/- 0.01, N = 3SE +/- 0.06, N = 3SE +/- 0.02, N = 3SE +/- 0.07, N = 3SE +/- 0.07, N = 324.9126.5526.6427.0927.05-march=nocona-march=core2-march=corei7-march=corei7-avx-march=core-avx-i1. (CC) gcc options: -O3 -pedantic -ldl -lz -lm

C-Ray

Total Time

OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total Timemarch=noconamarch=core2march=corei7march=corei7-avxmarch=core-avx-i20406080100SE +/- 6.43, N = 6SE +/- 2.52, N = 6SE +/- 7.96, N = 6SE +/- 5.81, N = 6SE +/- 6.72, N = 680.37101.1490.9486.3189.82-march=nocona-march=core2-march=corei7-march=corei7-avx-march=core-avx-i1. (CC) gcc options: -lm -lpthread -O3

Smallpt

Global Illumination Renderer; 100 Samples

OpenBenchmarking.orgSeconds, Fewer Is BetterSmallpt 1.0Global Illumination Renderer; 100 Samplesmarch=noconamarch=core2march=corei7march=corei7-avxmarch=core-avx-i612182430SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.33, N = 3SE +/- 0.33, N = 3SE +/- 0.00, N = 32525252425-march=nocona-march=core2-march=corei7-march=corei7-avx-march=core-avx-i1. (CXX) g++ options: -fopenmp -O3

LZMA Compression

256MB File Compression

OpenBenchmarking.orgSeconds, Fewer Is BetterLZMA Compression256MB File Compressionmarch=noconamarch=core2march=corei7march=corei7-avxmarch=core-avx-i306090120150SE +/- 0.37, N = 3SE +/- 0.19, N = 3SE +/- 0.17, N = 3SE +/- 0.13, N = 3SE +/- 0.21, N = 3132.49132.60132.47132.66132.32-march=nocona-march=core2-march=corei7-march=corei7-avx-march=core-avx-i1. (CC) gcc options: -O3

dcraw

RAW To PPM Image Conversion

OpenBenchmarking.orgSeconds, Fewer Is BetterdcrawRAW To PPM Image Conversionmarch=noconamarch=core2march=corei7march=corei7-avxmarch=core-avx-i48121620SE +/- 0.17, N = 3SE +/- 0.17, N = 3SE +/- 0.22, N = 3SE +/- 0.21, N = 3SE +/- 0.21, N = 316.0915.9015.8116.1516.18-march=nocona-march=core2-march=corei7-march=corei7-avx-march=core-avx-i1. (CC) gcc options: -O3 -lm

LAME MP3 Encoding

WAV To MP3

OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.99.3WAV To MP3march=noconamarch=core2march=corei7march=corei7-avxmarch=core-avx-i3691215SE +/- 0.02, N = 5SE +/- 0.02, N = 5SE +/- 0.01, N = 5SE +/- 0.02, N = 5SE +/- 0.03, N = 513.1613.5013.3513.2213.25

Open FMM Nero2D

Total Time

OpenBenchmarking.orgSeconds, Fewer Is BetterOpen FMM Nero2D 2.0.2Total Timemarch=noconamarch=core2march=corei7march=corei7-avxmarch=core-avx-i90180270360450414.67410.68408.94409.41408.70-march=nocona-march=core2-march=corei7-march=corei7-avx-march=core-avx-i1. (CXX) g++ options: -O3 -lfftw3 -llapack -lblas -lm

PostgreSQL pgbench

TPC-B Transactions Per Second

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 8.4.11TPC-B Transactions Per Secondmarch=noconamarch=core2march=corei7march=corei7-avxmarch=core-avx-i7001400210028003500SE +/- 14.86, N = 3SE +/- 12.53, N = 3SE +/- 6.70, N = 3SE +/- 10.73, N = 3SE +/- 24.76, N = 33066.143063.393060.463038.403028.57-march=nocona-march=core2-march=corei7-march=corei7-avx-march=core-avx-i1. (CC) gcc options: -O3 -fno-strict-aliasing -fwrapv -lpgport -lpq -lcrypt -ldl -lm

Apache Benchmark

Static Web Page Serving

OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.2.21Static Web Page Servingmarch=noconamarch=core2march=corei7march=corei7-avxmarch=core-avx-i7K14K21K28K35KSE +/- 143.72, N = 3SE +/- 288.23, N = 3SE +/- 474.66, N = 3SE +/- 227.87, N = 3SE +/- 367.46, N = 333671.4033993.6234158.3034163.6433480.13-march=nocona-march=core2-march=corei7-march=corei7-avx-march=core-avx-i1. (CC) gcc options: -pthread -O3 -lm -lexpat -lrt -lcrypt -lpthread -ldl


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