Samsung Chromebook Cortex A15 Compilers

Exynos ARMv7 rev 4 testing on Ubuntu 13.10 via the Phoronix Test Suite.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 1309037-SO-SAMSUNGCH72
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Audio Encoding 2 Tests
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GCC 4.8.1
August 31 2013
 
LLVM Clang 3.3
September 01 2013
 
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GCC 4.8.1

Processor: Exynos ARMv7 rev 4 @ 1.70GHz (2 Cores), Motherboard: SAMSUNG EXYNOS5 (Flattened Device Tree), Memory: 2048MB, Disk: 16GB SEM16G + 16GB SD16G

OS: Ubuntu 13.10, Kernel: 3.4.0-5-chromebook (armv7l), Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1366x768

Compiler Notes: --build=arm-linux-gnueabihf --disable-browser-plugin --disable-libitm --disable-libquadmath --disable-sjlj-exceptions --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-gtk-cairo --enable-java-awt=gtk --enable-java-home --enable-languages=c,c++,java,go,d,fortran,objc,obj-c++ --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc --enable-plugin --enable-shared --enable-threads=posix --host=arm-linux-gnueabihf --target=arm-linux-gnueabihf --with-arch-directory=arm --with-arch=armv7-a --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --with-float=hard --with-fpu=vfpv3-d16 --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.8-armhf/jre --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-armhf --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-armhf --with-mode=thumb -v
Processor Notes: Scaling Governor: exynos_cpufreq ondemand

LLVM Clang 3.3

OS: Ubuntu 13.10, Kernel: 3.4.0-5-chromebook (armv7l), Compiler: Clang 3.3-5ubuntu4, File-System: ext4, Screen Resolution: 1366x768

Processor Notes: Scaling Governor: exynos_cpufreq ondemand

Samsung Chromebook Cortex A15 CompilersOpenBenchmarking.orgPhoronix Test SuiteExynos ARMv7 rev 4 @ 1.70GHz (2 Cores)SAMSUNG EXYNOS5 (Flattened Device Tree)2048MB16GB SEM16G + 16GB SD16GUbuntu 13.103.4.0-5-chromebook (armv7l)GCC 4.8Clang 3.3-5ubuntu4ext41366x768ProcessorMotherboardMemoryDiskOSKernelCompilersFile-SystemScreen ResolutionSamsung Chromebook Cortex A15 Compilers PerformanceSystem Logs- GCC 4.8.1: --build=arm-linux-gnueabihf --disable-browser-plugin --disable-libitm --disable-libquadmath --disable-sjlj-exceptions --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-gtk-cairo --enable-java-awt=gtk --enable-java-home --enable-languages=c,c++,java,go,d,fortran,objc,obj-c++ --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc --enable-plugin --enable-shared --enable-threads=posix --host=arm-linux-gnueabihf --target=arm-linux-gnueabihf --with-arch-directory=arm --with-arch=armv7-a --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --with-float=hard --with-fpu=vfpv3-d16 --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.8-armhf/jre --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-armhf --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-armhf --with-mode=thumb -v - Scaling Governor: exynos_cpufreq ondemand

GCC 4.8.1 vs. LLVM Clang 3.3 ComparisonPhoronix Test SuiteBaseline+32%+32%+64%+64%+96%+96%38.4%14.6%3.2%2.3%Total Time127.9%Sharpen118.2%G.I.R.1.S97.8%Resizing81.8%L.A.T76.9%Blur68.4%J.S.O.RM.S.A38.3%P.P.S20.6%HWB Color Space20.5%WAV To FLAC18.2%F.F.T17.7%Monte CarloWAV To MP311.6%S.M.M8.1%H.2.V.E6.7%P.D.SH.2.H.T.N.D2.8%D.L.M.FC-RayGraphicsMagickSmallptGraphicsMagickGraphicsMagickGraphicsMagickSciMarkTimed MAFFT AlignmentHimeno BenchmarkGraphicsMagickFLAC Audio EncodingSciMarkSciMarkLAME MP3 EncodingSciMarkx264Timed HMMer SearchFFmpegSciMarkGCC 4.8.1LLVM Clang 3.3

Samsung Chromebook Cortex A15 Compilershmmer: Pfam Database Searchmafft: Multiple Sequence Alignmentscimark2: Monte Carloscimark2: Fast Fourier Transformscimark2: Sparse Matrix Multiplyscimark2: Dense LU Matrix Factorizationscimark2: Jacobi Successive Over-Relaxationx264: H.264 Video Encodinggraphics-magick: Blurgraphics-magick: Sharpengraphics-magick: Resizinggraphics-magick: HWB Color Spacegraphics-magick: Local Adaptive Thresholdinghimeno: Poisson Pressure Solverc-ray: Total Timeprimesieve: 1e12 Prime Number Generationsmallpt: Global Illumination Renderer; 100 Samplesencode-flac: WAV To FLACencode-mp3: WAV To MP3ffmpeg: H.264 HD To NTSC DVapache: Static Web Page ServingGCC 4.8.1LLVM Clang 3.393.1338.04169.7748.51339.66450.84327.9013.303224404723137.07230.76829.60123019.2449.04138.781993.0190.2252.62194.5241.22314.11461.05453.8712.471911223913113.64525.83243322.7454.75142.721965.72OpenBenchmarking.org

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 4.8.1LLVM Clang 3.320406080100SE +/- 0.21, N = 3SE +/- 0.17, N = 393.1390.221. (CC) gcc options: -O2 -pthread -lhmmer -lsquid -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed HMMer Search 2.3.2Pfam Database SearchGCC 4.8.1LLVM Clang 3.320406080100Min: 92.84 / Avg: 93.13 / Max: 93.53Min: 89.89 / Avg: 90.22 / Max: 90.421. (CC) gcc options: -O2 -pthread -lhmmer -lsquid -lm

Timed MAFFT Alignment

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed MAFFT Alignment 6.864Multiple Sequence AlignmentGCC 4.8.1LLVM Clang 3.31224364860SE +/- 0.15, N = 3SE +/- 0.22, N = 338.0452.621. (CC) gcc options: -O3 -lm -lpthread
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed MAFFT Alignment 6.864Multiple Sequence AlignmentGCC 4.8.1LLVM Clang 3.31122334455Min: 37.87 / Avg: 38.04 / Max: 38.33Min: 52.22 / Avg: 52.62 / Max: 52.951. (CC) gcc options: -O3 -lm -lpthread

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 CarloGCC 4.8.1LLVM Clang 3.34080120160200SE +/- 0.13, N = 4SE +/- 0.29, N = 4169.77194.52
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Monte CarloGCC 4.8.1LLVM Clang 3.34080120160200Min: 169.36 / Avg: 169.77 / Max: 169.9Min: 193.82 / Avg: 194.52 / Max: 195.23

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Fast Fourier TransformGCC 4.8.1LLVM Clang 3.31122334455SE +/- 0.06, N = 4SE +/- 0.05, N = 448.5141.22
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Fast Fourier TransformGCC 4.8.1LLVM Clang 3.31020304050Min: 48.4 / Avg: 48.51 / Max: 48.62Min: 41.14 / Avg: 41.22 / Max: 41.3

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Sparse Matrix MultiplyGCC 4.8.1LLVM Clang 3.370140210280350SE +/- 1.77, N = 4339.66314.11
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Sparse Matrix MultiplyGCC 4.8.1LLVM Clang 3.360120180240300Min: 336.84 / Avg: 339.66 / Max: 344.78

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Dense LU Matrix FactorizationGCC 4.8.1LLVM Clang 3.3100200300400500SE +/- 0.96, N = 4SE +/- 3.65, N = 4450.84461.05
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Dense LU Matrix FactorizationGCC 4.8.1LLVM Clang 3.380160240320400Min: 448.93 / Avg: 450.84 / Max: 453.51Min: 453.51 / Avg: 461.05 / Max: 469.48

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Jacobi Successive Over-RelaxationGCC 4.8.1LLVM Clang 3.3100200300400500SE +/- 0.35, N = 4SE +/- 0.64, N = 4327.90453.87
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Jacobi Successive Over-RelaxationGCC 4.8.1LLVM Clang 3.380160240320400Min: 327.55 / Avg: 327.9 / Max: 328.95Min: 452.19 / Avg: 453.87 / Max: 454.88

x264

OpenBenchmarking.orgFrames Per Second, More Is Betterx264 2013-06-08H.264 Video EncodingGCC 4.8.1LLVM Clang 3.33691215SE +/- 0.19, N = 5SE +/- 0.05, N = 513.3012.471. (CC) gcc options: -ldl -lm -lpthread
OpenBenchmarking.orgFrames Per Second, More Is Betterx264 2013-06-08H.264 Video EncodingGCC 4.8.1LLVM Clang 3.348121620Min: 12.66 / Avg: 13.3 / Max: 13.64Min: 12.31 / Avg: 12.47 / Max: 12.561. (CC) gcc options: -ldl -lm -lpthread

GraphicsMagick

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.16Operation: BlurGCC 4.8.1LLVM Clang 3.3714212835SE +/- 0.00, N = 3SE +/- 0.00, N = 332191. (CC) gcc options: -O2 -pthread -lz -lm -lpthread
OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.16Operation: BlurGCC 4.8.1LLVM Clang 3.3714212835Min: 32 / Avg: 32 / Max: 32Min: 19 / Avg: 19 / Max: 191. (CC) gcc options: -O2 -pthread -lz -lm -lpthread

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.16Operation: SharpenGCC 4.8.1LLVM Clang 3.3612182430SE +/- 0.00, N = 3SE +/- 0.00, N = 324111. (CC) gcc options: -O2 -pthread -lz -lm -lpthread
OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.16Operation: SharpenGCC 4.8.1LLVM Clang 3.3612182430Min: 24 / Avg: 24 / Max: 24Min: 11 / Avg: 11 / Max: 111. (CC) gcc options: -O2 -pthread -lz -lm -lpthread

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.16Operation: ResizingGCC 4.8.1LLVM Clang 3.3918273645SE +/- 0.00, N = 3SE +/- 0.00, N = 340221. (CC) gcc options: -O2 -pthread -lz -lm -lpthread
OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.16Operation: ResizingGCC 4.8.1LLVM Clang 3.3816243240Min: 40 / Avg: 40 / Max: 40Min: 22 / Avg: 22 / Max: 221. (CC) gcc options: -O2 -pthread -lz -lm -lpthread

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.16Operation: HWB Color SpaceGCC 4.8.1LLVM Clang 3.31122334455SE +/- 0.00, N = 3SE +/- 0.00, N = 347391. (CC) gcc options: -O2 -pthread -lz -lm -lpthread
OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.16Operation: HWB Color SpaceGCC 4.8.1LLVM Clang 3.31020304050Min: 47 / Avg: 47 / Max: 47Min: 39 / Avg: 39 / Max: 391. (CC) gcc options: -O2 -pthread -lz -lm -lpthread

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.16Operation: Local Adaptive ThresholdingGCC 4.8.1LLVM Clang 3.3612182430SE +/- 0.00, N = 3SE +/- 0.00, N = 323131. (CC) gcc options: -O2 -pthread -lz -lm -lpthread
OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.16Operation: Local Adaptive ThresholdingGCC 4.8.1LLVM Clang 3.3510152025Min: 23 / Avg: 23 / Max: 23Min: 13 / Avg: 13 / Max: 131. (CC) gcc options: -O2 -pthread -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 SolverGCC 4.8.1LLVM Clang 3.3306090120150SE +/- 5.69, N = 6SE +/- 4.89, N = 6137.07113.641. (CC) gcc options: -O3
OpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure SolverGCC 4.8.1LLVM Clang 3.3306090120150Min: 120.42 / Avg: 137.07 / Max: 151.54Min: 101.62 / Avg: 113.64 / Max: 126.711. (CC) gcc options: -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 4.8.1LLVM Clang 3.3110220330440550SE +/- 1.87, N = 3SE +/- 0.75, N = 3230.76525.831. (CC) gcc options: -lm -lpthread -O3
OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total TimeGCC 4.8.1LLVM Clang 3.390180270360450Min: 228.32 / Avg: 230.76 / Max: 234.44Min: 524.32 / Avg: 525.83 / Max: 526.611. (CC) gcc options: -lm -lpthread -O3

Primesieve

OpenBenchmarking.orgSeconds, Fewer Is BetterPrimesieve 4.21e12 Prime Number GenerationGCC 4.8.12004006008001000SE +/- 12.97, N = 5829.601. (CXX) g++ options: -O2 -fopenmp

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 4.8.1LLVM Clang 3.35001000150020002500SE +/- 1.00, N = 3SE +/- 2.40, N = 3123024331. (CXX) g++ options: -fopenmp
OpenBenchmarking.orgSeconds, Fewer Is BetterSmallpt 1.0Global Illumination Renderer; 100 SamplesGCC 4.8.1LLVM Clang 3.3400800120016002000Min: 1228 / Avg: 1230 / Max: 1231Min: 2430 / Avg: 2433.33 / Max: 24381. (CXX) g++ options: -fopenmp

FLAC Audio Encoding

OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.0WAV To FLACGCC 4.8.1LLVM Clang 3.3510152025SE +/- 0.09, N = 5SE +/- 0.04, N = 519.2422.741. (CXX) g++ options: -O2 -fvisibility=hidden -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.0WAV To FLACGCC 4.8.1LLVM Clang 3.3510152025Min: 19.09 / Avg: 19.24 / Max: 19.61Min: 22.66 / Avg: 22.74 / Max: 22.891. (CXX) g++ options: -O2 -fvisibility=hidden -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 MP3GCC 4.8.1LLVM Clang 3.31224364860SE +/- 0.07, N = 5SE +/- 0.05, N = 549.0454.751. (CC) gcc options: -O3 -ffast-math -funroll-loops -pipe -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.99.3WAV To MP3GCC 4.8.1LLVM Clang 3.31122334455Min: 48.92 / Avg: 49.04 / Max: 49.29Min: 54.66 / Avg: 54.75 / Max: 54.961. (CC) gcc options: -O3 -ffast-math -funroll-loops -pipe -lm

FFmpeg

OpenBenchmarking.orgSeconds, Fewer Is BetterFFmpeg 2.0H.264 HD To NTSC DVGCC 4.8.1LLVM Clang 3.3306090120150SE +/- 1.26, N = 3SE +/- 0.75, N = 3138.78142.721. (CC) gcc options: -lavdevice -lavfilter -lavformat -lavcodec -lswresample -lswscale -lavutil -ldl -lm -pthread -march=armv7-a -std=c99 -fomit-frame-pointer -marm -O3 -fno-math-errno -fno-signed-zeros -Qunused-arguments -MMD
OpenBenchmarking.orgSeconds, Fewer Is BetterFFmpeg 2.0H.264 HD To NTSC DVGCC 4.8.1LLVM Clang 3.3306090120150Min: 137.03 / Avg: 138.78 / Max: 141.23Min: 141.28 / Avg: 142.72 / Max: 143.841. (CC) gcc options: -lavdevice -lavfilter -lavformat -lavcodec -lswresample -lswscale -lavutil -ldl -lm -pthread -march=armv7-a -std=c99 -fomit-frame-pointer -marm -O3 -fno-math-errno -fno-signed-zeros -Qunused-arguments -MMD

Apache Benchmark

OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.4.3Static Web Page ServingGCC 4.8.1LLVM Clang 3.3400800120016002000SE +/- 0.33, N = 3SE +/- 5.78, N = 31993.011965.721. (CC) gcc options: -shared -fPIC -O2 -pthread
OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.4.3Static Web Page ServingGCC 4.8.1LLVM Clang 3.330060090012001500Min: 1992.61 / Avg: 1993.01 / Max: 1993.67Min: 1958.56 / Avg: 1965.72 / Max: 1977.161. (CC) gcc options: -shared -fPIC -O2 -pthread

GCC 4.8.1

Processor: Exynos ARMv7 rev 4 @ 1.70GHz (2 Cores), Motherboard: SAMSUNG EXYNOS5 (Flattened Device Tree), Memory: 2048MB, Disk: 16GB SEM16G + 16GB SD16G

OS: Ubuntu 13.10, Kernel: 3.4.0-5-chromebook (armv7l), Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1366x768

Compiler Notes: --build=arm-linux-gnueabihf --disable-browser-plugin --disable-libitm --disable-libquadmath --disable-sjlj-exceptions --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-gtk-cairo --enable-java-awt=gtk --enable-java-home --enable-languages=c,c++,java,go,d,fortran,objc,obj-c++ --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc --enable-plugin --enable-shared --enable-threads=posix --host=arm-linux-gnueabihf --target=arm-linux-gnueabihf --with-arch-directory=arm --with-arch=armv7-a --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --with-float=hard --with-fpu=vfpv3-d16 --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.8-armhf/jre --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-armhf --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-armhf --with-mode=thumb -v
Processor Notes: Scaling Governor: exynos_cpufreq ondemand

Testing initiated at 31 August 2013 22:12 by user root.

LLVM Clang 3.3

Processor: Exynos ARMv7 rev 4 @ 1.70GHz (2 Cores), Motherboard: SAMSUNG EXYNOS5 (Flattened Device Tree), Memory: 2048MB, Disk: 16GB SEM16G + 16GB SD16G

OS: Ubuntu 13.10, Kernel: 3.4.0-5-chromebook (armv7l), Compiler: Clang 3.3-5ubuntu4, File-System: ext4, Screen Resolution: 1366x768

Processor Notes: Scaling Governor: exynos_cpufreq ondemand

Testing initiated at 1 September 2013 21:39 by user root.