Benchmarking compiler optimization levels on GCC 4.7.2 from a Google Nexus 10 with Samsung Exynos 5 Dual SoC. It's an ARM Cortex-A15 dual-core 1.7GHz processor. Benchmarking by Michael Larabel for a future article on Phoronix.
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phoronix-test-suite benchmark 1302284-FO-ARMGCC47227 ARM GCC 4.7.2 Cortex-A15 Compiler Optimizations - Phoronix Test Suite ARM GCC 4.7.2 Cortex-A15 Compiler Optimizations Benchmarking compiler optimization levels on GCC 4.7.2 from a Google Nexus 10 with Samsung Exynos 5 Dual SoC. It's an ARM Cortex-A15 dual-core 1.7GHz processor. Benchmarking by Michael Larabel for a future article on Phoronix.
HTML result view exported from: https://openbenchmarking.org/result/1302284-FO-ARMGCC47227&gru&rdt .
ARM GCC 4.7.2 Cortex-A15 Compiler Optimizations Processor Motherboard Memory Disk OS Kernel Compiler File-System Screen Resolution -O3 -O2 -O1 -O0 -Os -Ofast ARMv7 rev 4 @ 1.70GHz (2 Cores) Manta 2048MB 16GB MAG2GA Ubuntu 12.10 3.4.5-gf68518f (armv7l) GCC 4.7 ext4 2560x1600 OpenBenchmarking.org Compiler Details - --build=arm-linux-gnueabihf --disable-libitm --disable-sjlj-exceptions --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-languages=c,c++,go,fortran,objc,obj-c++ --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multilib --enable-nls --enable-objc-gc --enable-plugin --enable-shared --enable-threads=posix --host=arm-linux-gnueabihf --target=arm-linux-gnueabihf --with-arch=armv7-a --with-float=hard --with-fpu=vfpv3-d16 --with-mode=thumb -v Processor Details - Scaling Governor: interactive
ARM GCC 4.7.2 Cortex-A15 Compiler Optimizations graphics-magick: Blur graphics-magick: Sharpen graphics-magick: Resizing graphics-magick: HWB Color Space graphics-magick: Local Adaptive Thresholding himeno: Poisson Pressure Solver build-php: Time To Compile c-ray: Total Time smallpt: Global Illumination Renderer; 100 Samples encode-opus: WAV, Opus Encode, Opus Decode nero2d: Total Time -O3 -O2 -O1 -O0 -Os -Ofast 30 23 40 47 22 141.55 285.41 349.83 1297 46.64 2149.05 31 23 40 47 22 140.04 252.76 523.58 329 47.80 2142.95 30 19 36 47 19 108.57 191.56 653.17 361 51.84 2300.70 16 7 16 27 6 60.43 117.17 909.85 1388 163.43 7634.24 29 20 36 48 19 100.58 204.10 588.38 784 55.78 3505.78 31 23 39 55 22 129.49 286.52 332.87 279 45.73 2145.44 OpenBenchmarking.org
GraphicsMagick Operation: Blur OpenBenchmarking.org Iterations Per Minute, More Is Better GraphicsMagick 1.3.16 Operation: Blur -O3 -O2 -O1 -O0 -Os -Ofast 7 14 21 28 35 SE +/- 0.33, N = 3 SE +/- 0.33, N = 3 SE +/- 0.00, N = 3 SE +/- 0.25, N = 4 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 30 31 30 16 29 31 -O2 -O2 -O1 -O0 -Os -Ofast 1. (CC) gcc options: -std=gnu99 -fopenmp -pthread -lXext -lSM -lICE -lX11 -lbz2 -lz -lm -lgomp -lpthread
GraphicsMagick Operation: Sharpen OpenBenchmarking.org Iterations Per Minute, More Is Better GraphicsMagick 1.3.16 Operation: Sharpen -O3 -O2 -O1 -O0 -Os -Ofast 6 12 18 24 30 SE +/- 0.33, N = 3 SE +/- 0.33, N = 6 SE +/- 0.33, N = 3 SE +/- 0.00, N = 3 SE +/- 0.33, N = 3 SE +/- 0.33, N = 3 23 23 19 7 20 23 -O2 -O2 -O1 -O0 -Os -Ofast 1. (CC) gcc options: -std=gnu99 -fopenmp -pthread -lXext -lSM -lICE -lX11 -lbz2 -lz -lm -lgomp -lpthread
GraphicsMagick Operation: Resizing OpenBenchmarking.org Iterations Per Minute, More Is Better GraphicsMagick 1.3.16 Operation: Resizing -O3 -O2 -O1 -O0 -Os -Ofast 9 18 27 36 45 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.33, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 40 40 36 16 36 39 -O2 -O2 -O1 -O0 -Os -Ofast 1. (CC) gcc options: -std=gnu99 -fopenmp -pthread -lXext -lSM -lICE -lX11 -lbz2 -lz -lm -lgomp -lpthread
GraphicsMagick Operation: HWB Color Space OpenBenchmarking.org Iterations Per Minute, More Is Better GraphicsMagick 1.3.16 Operation: HWB Color Space -O3 -O2 -O1 -O0 -Os -Ofast 12 24 36 48 60 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.33, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.88, N = 3 47 47 47 27 48 55 -O2 -O2 -O1 -O0 -Os -Ofast 1. (CC) gcc options: -std=gnu99 -fopenmp -pthread -lXext -lSM -lICE -lX11 -lbz2 -lz -lm -lgomp -lpthread
GraphicsMagick Operation: Local Adaptive Thresholding OpenBenchmarking.org Iterations Per Minute, More Is Better GraphicsMagick 1.3.16 Operation: Local Adaptive Thresholding -O3 -O2 -O1 -O0 -Os -Ofast 5 10 15 20 25 SE +/- 0.33, N = 3 SE +/- 0.33, N = 3 SE +/- 0.33, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 22 22 19 6 19 22 -O2 -O2 -O1 -O0 -Os -Ofast 1. (CC) gcc options: -std=gnu99 -fopenmp -pthread -lXext -lSM -lICE -lX11 -lbz2 -lz -lm -lgomp -lpthread
Himeno Benchmark Poisson Pressure Solver OpenBenchmarking.org MFLOPS, More Is Better Himeno Benchmark 3.0 Poisson Pressure Solver -O3 -O2 -O1 -O0 -Os -Ofast 30 60 90 120 150 SE +/- 1.96, N = 3 SE +/- 5.17, N = 6 SE +/- 1.57, N = 3 SE +/- 0.29, N = 3 SE +/- 1.80, N = 6 SE +/- 1.15, N = 3 141.55 140.04 108.57 60.43 100.58 129.49 -O2 -O1 -O0 -Os -Ofast 1. (CC) gcc options: -O3
Timed PHP Compilation Time To Compile OpenBenchmarking.org Seconds, Fewer Is Better Timed PHP Compilation 5.2.9 Time To Compile -O3 -O2 -O1 -O0 -Os -Ofast 60 120 180 240 300 SE +/- 1.07, N = 3 SE +/- 0.77, N = 3 SE +/- 0.85, N = 3 SE +/- 0.25, N = 3 SE +/- 0.90, N = 3 SE +/- 0.83, N = 3 285.41 252.76 191.56 117.17 204.10 286.52 -O2 -O2 -O1 -O0 -Os -Ofast 1. (CC) gcc options: -pedantic -ldl -lz -lm
C-Ray Total Time OpenBenchmarking.org Seconds, Fewer Is Better C-Ray 1.1 Total Time -O3 -O2 -O1 -O0 -Os -Ofast 200 400 600 800 1000 SE +/- 4.87, N = 5 SE +/- 8.88, N = 4 SE +/- 15.01, N = 6 SE +/- 1.42, N = 3 SE +/- 3.84, N = 3 SE +/- 3.01, N = 3 349.83 523.58 653.17 909.85 588.38 332.87 -O2 -O1 -O0 -Os -Ofast 1. (CC) gcc options: -lm -lpthread -O3
Smallpt Global Illumination Renderer; 100 Samples OpenBenchmarking.org Seconds, Fewer Is Better Smallpt 1.0 Global Illumination Renderer; 100 Samples -O3 -O2 -O1 -O0 -Os -Ofast 300 600 900 1200 1500 SE +/- 4.18, N = 3 SE +/- 2.73, N = 3 SE +/- 1.53, N = 3 SE +/- 25.31, N = 3 SE +/- 3.48, N = 3 SE +/- 1.20, N = 3 1297 329 361 1388 784 279 -O2 -O1 -O0 -Os -Ofast 1. (CXX) g++ options: -fopenmp
Opus Codec Encoding WAV, Opus Encode, Opus Decode OpenBenchmarking.org Seconds, Fewer Is Better Opus Codec Encoding 1.0.1 WAV, Opus Encode, Opus Decode -O3 -O2 -O1 -O0 -Os -Ofast 40 80 120 160 200 SE +/- 0.02, N = 5 SE +/- 0.05, N = 5 SE +/- 0.17, N = 5 SE +/- 0.17, N = 5 SE +/- 0.03, N = 5 SE +/- 0.03, N = 5 46.64 47.80 51.84 163.43 55.78 45.73 -O3 -ffast-math -O2 -O1 -O0 -Os -Ofast 1. (CC) gcc options: -std=gnu99 -fPIE -pie -logg -lm -lopus
Open FMM Nero2D Total Time OpenBenchmarking.org Seconds, Fewer Is Better Open FMM Nero2D 2.0.2 Total Time -O3 -O2 -O1 -O0 -Os -Ofast 1600 3200 4800 6400 8000 2149.05 2142.95 2300.70 7634.24 3505.78 2145.44 -O2 -O2 -O1 -O0 -Os -Ofast 1. (CXX) g++ options: -lfftw3 -llapack -lblas -lgfortran -lm
Phoronix Test Suite v10.8.4