NVIDIA Tegra K1 GCC Clang Compilers

GCC 4.8.2 vs. Clang 3.4 on NVIDIA's Tegra K1 SoC via the NVIDIA Jetson TK1 ARM quad-core Cortex-A15 development board. Benchmarks by Michael Larabel 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 1405138-KH-NVIDIATEG53
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Audio Encoding 2 Tests
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CPU Massive 7 Tests
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Clang 3.4
May 13 2014
 
GCC 4.8.2
May 13 2014
 
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Clang 3.4

Processor: ARMv7 rev 3 @ 2.32GHz (4 Cores), Motherboard: laguna, Memory: 2048MB, Disk: 16GB SEM16G, Graphics: GK20A/AXI, Network: Realtek RTL8111/8168/8411

OS: Ubuntu 14.04, Kernel: 3.10.24-g6a2d13a (armv7l), Desktop: Unity 7.2.0, Display Server: X Server 1.15.1, Display Driver: NVIDIA 19.2, OpenGL: 4.3.0, Compiler: Clang 3.4-1ubuntu3, File-System: ext4, Screen Resolution: 1920x1080

Processor Notes: Scaling Governor: tegra ondemand

GCC 4.8.2

OS: Ubuntu 14.04, Kernel: 3.10.24-g6a2d13a (armv7l), Desktop: Unity 7.2.0, Display Server: X Server 1.15.1, Display Driver: NVIDIA 19.2, OpenGL: 4.3.0, Compiler: GCC 4.8.2 + Clang 3.4-1ubuntu3, File-System: ext4, Screen Resolution: 1920x1080

Compiler Notes: --build=arm-linux-gnueabihf --disable-browser-plugin --disable-libitm --disable-libmudflap --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-float=hard --with-fpu=vfpv3-d16 --with-mode=thumb -v
Processor Notes: Scaling Governor: tegra ondemand

NVIDIA Tegra K1 GCC Clang CompilersOpenBenchmarking.orgPhoronix Test SuiteARMv7 rev 3 @ 2.32GHz (4 Cores)laguna2048MB16GB SEM16GGK20A/AXIRealtek RTL8111/8168/8411Ubuntu 14.043.10.24-g6a2d13a (armv7l)Unity 7.2.0X Server 1.15.1NVIDIA 19.24.3.0Clang 3.4-1ubuntu3GCC 4.8.2 + Clang 3.4-1ubuntu3ext41920x1080ProcessorMotherboardMemoryDiskGraphicsNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilersFile-SystemScreen ResolutionNVIDIA Tegra K1 GCC Clang Compilers PerformanceSystem Logs- Scaling Governor: tegra ondemand- GCC 4.8.2: --build=arm-linux-gnueabihf --disable-browser-plugin --disable-libitm --disable-libmudflap --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-float=hard --with-fpu=vfpv3-d16 --with-mode=thumb -v

Clang 3.4 vs. GCC 4.8.2 ComparisonPhoronix Test SuiteBaseline+63.5%+63.5%+127%+127%+190.5%+190.5%253.8%141.2%124.1%60%30.9%20%18.3%3.7%SharpenTotal TimeTime To Compile135.9%ResizingBlurP.P.S57.8%Time To Compile53.2%J.S.O.R32.8%HWB Color SpaceF.F.T26.2%L.A.TMonte Carlo18.8%WAV To FLACComposite11.8%WAV To MP3GraphicsMagickC-RayTimed ImageMagick CompilationGraphicsMagickGraphicsMagickHimeno BenchmarkTimed Apache CompilationSciMarkGraphicsMagickSciMarkGraphicsMagickSciMarkFLAC Audio EncodingSciMarkLAME MP3 EncodingClang 3.4GCC 4.8.2

NVIDIA Tegra K1 GCC Clang Compilersscimark2: Compositescimark2: Monte Carloscimark2: Fast Fourier Transformscimark2: Sparse Matrix Multiplyscimark2: Dense LU Matrix Factorizationscimark2: Jacobi Successive Over-Relaxationgraphics-magick: Blurgraphics-magick: Sharpengraphics-magick: Resizinggraphics-magick: HWB Color Spacegraphics-magick: Local Adaptive Thresholdinghimeno: Poisson Pressure Solverbuild-apache: Time To Compilebuild-imagemagick: Time To Compilec-ray: Total Timeencode-flac: WAV To FLACencode-mp3: WAV To MP3apache: Static Web Page ServingClang 3.4GCC 4.8.2393.13275.4258.04369.93624.29637.993013295530224.6783.68146.80207.4817.9337.994565.50351.71231.9145.98374.74625.32480.594846657236142.37128.21346.3086.0115.1636.634601.34OpenBenchmarking.org

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: CompositeClang 3.4GCC 4.8.290180270360450SE +/- 0.21, N = 4SE +/- 0.11, N = 4393.13351.71
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: CompositeClang 3.4GCC 4.8.270140210280350Min: 392.64 / Avg: 393.13 / Max: 393.67Min: 351.47 / Avg: 351.71 / Max: 351.98

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Monte CarloClang 3.4GCC 4.8.260120180240300SE +/- 0.07, N = 4SE +/- 0.01, N = 4275.42231.91
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Monte CarloClang 3.4GCC 4.8.250100150200250Min: 275.29 / Avg: 275.42 / Max: 275.59Min: 231.9 / Avg: 231.91 / Max: 231.92

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Fast Fourier TransformClang 3.4GCC 4.8.21326395265SE +/- 0.04, N = 4SE +/- 0.28, N = 458.0445.98
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Fast Fourier TransformClang 3.4GCC 4.8.21122334455Min: 57.95 / Avg: 58.04 / Max: 58.14Min: 45.17 / Avg: 45.98 / Max: 46.4

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Sparse Matrix MultiplyClang 3.4GCC 4.8.280160240320400SE +/- 0.40, N = 4SE +/- 0.22, N = 4369.93374.74
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Sparse Matrix MultiplyClang 3.4GCC 4.8.270140210280350Min: 369.13 / Avg: 369.93 / Max: 370.96Min: 374.08 / Avg: 374.74 / Max: 375.03

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Dense LU Matrix FactorizationClang 3.4GCC 4.8.2140280420560700SE +/- 0.31, N = 4SE +/- 0.40, N = 4624.29625.32
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Dense LU Matrix FactorizationClang 3.4GCC 4.8.2110220330440550Min: 623.7 / Avg: 624.29 / Max: 625.15Min: 624.32 / Avg: 625.32 / Max: 626.26

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Jacobi Successive Over-RelaxationClang 3.4GCC 4.8.2140280420560700SE +/- 0.45, N = 4SE +/- 0.03, N = 4637.99480.59
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Jacobi Successive Over-RelaxationClang 3.4GCC 4.8.2110220330440550Min: 636.76 / Avg: 637.99 / Max: 638.66Min: 480.5 / Avg: 480.59 / Max: 480.63

GraphicsMagick

This is a test of GraphicsMagick with its OpenMP implementation that performs various imaging tests to stress the system's CPU. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.19Operation: BlurClang 3.4GCC 4.8.21122334455SE +/- 0.00, N = 3SE +/- 0.00, N = 33048-std=gnu99 -fopenmp -lgomp1. (CC) gcc options: -O2 -pthread -ljbig -lwebp -ljpeg -lXext -lSM -lICE -lX11 -llzma -lxml2 -lz -lm -lpthread
OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.19Operation: BlurClang 3.4GCC 4.8.21020304050Min: 30 / Avg: 30 / Max: 30Min: 48 / Avg: 48 / Max: 481. (CC) gcc options: -O2 -pthread -ljbig -lwebp -ljpeg -lXext -lSM -lICE -lX11 -llzma -lxml2 -lz -lm -lpthread

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.19Operation: SharpenClang 3.4GCC 4.8.21020304050SE +/- 0.21, N = 6SE +/- 0.00, N = 31346-std=gnu99 -fopenmp -lgomp1. (CC) gcc options: -O2 -pthread -ljbig -lwebp -ljpeg -lXext -lSM -lICE -lX11 -llzma -lxml2 -lz -lm -lpthread
OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.19Operation: SharpenClang 3.4GCC 4.8.2918273645Min: 13 / Avg: 13.33 / Max: 14Min: 46 / Avg: 46 / Max: 461. (CC) gcc options: -O2 -pthread -ljbig -lwebp -ljpeg -lXext -lSM -lICE -lX11 -llzma -lxml2 -lz -lm -lpthread

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.19Operation: ResizingClang 3.4GCC 4.8.21530456075SE +/- 0.00, N = 3SE +/- 0.33, N = 32965-std=gnu99 -fopenmp -lgomp1. (CC) gcc options: -O2 -pthread -ljbig -lwebp -ljpeg -lXext -lSM -lICE -lX11 -llzma -lxml2 -lz -lm -lpthread
OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.19Operation: ResizingClang 3.4GCC 4.8.21326395265Min: 29 / Avg: 29 / Max: 29Min: 65 / Avg: 65.33 / Max: 661. (CC) gcc options: -O2 -pthread -ljbig -lwebp -ljpeg -lXext -lSM -lICE -lX11 -llzma -lxml2 -lz -lm -lpthread

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.19Operation: HWB Color SpaceClang 3.4GCC 4.8.21632486480SE +/- 0.00, N = 3SE +/- 0.00, N = 35572-std=gnu99 -fopenmp -lgomp1. (CC) gcc options: -O2 -pthread -ljbig -lwebp -ljpeg -lXext -lSM -lICE -lX11 -llzma -lxml2 -lz -lm -lpthread
OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.19Operation: HWB Color SpaceClang 3.4GCC 4.8.21428425670Min: 55 / Avg: 55 / Max: 55Min: 72 / Avg: 72 / Max: 721. (CC) gcc options: -O2 -pthread -ljbig -lwebp -ljpeg -lXext -lSM -lICE -lX11 -llzma -lxml2 -lz -lm -lpthread

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.19Operation: Local Adaptive ThresholdingClang 3.4GCC 4.8.2816243240SE +/- 0.00, N = 3SE +/- 0.33, N = 33036-std=gnu99 -fopenmp -lgomp1. (CC) gcc options: -O2 -pthread -ljbig -lwebp -ljpeg -lXext -lSM -lICE -lX11 -llzma -lxml2 -lz -lm -lpthread
OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.19Operation: Local Adaptive ThresholdingClang 3.4GCC 4.8.2816243240Min: 30 / Avg: 30 / Max: 30Min: 36 / Avg: 36.33 / Max: 371. (CC) gcc options: -O2 -pthread -ljbig -lwebp -ljpeg -lXext -lSM -lICE -lX11 -llzma -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 SolverClang 3.4GCC 4.8.250100150200250SE +/- 3.56, N = 3SE +/- 2.19, N = 5224.67142.371. (CC) gcc options: -O3
OpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure SolverClang 3.4GCC 4.8.24080120160200Min: 218.95 / Avg: 224.67 / Max: 231.21Min: 133.81 / Avg: 142.37 / Max: 145.421. (CC) gcc options: -O3

Timed Apache Compilation

This test times how long it takes to build the Apache HTTP Server. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed Apache Compilation 2.4.7Time To CompileClang 3.4GCC 4.8.2306090120150SE +/- 0.45, N = 3SE +/- 0.68, N = 383.68128.21
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed Apache Compilation 2.4.7Time To CompileClang 3.4GCC 4.8.220406080100Min: 83.13 / Avg: 83.68 / Max: 84.57Min: 127.21 / Avg: 128.21 / Max: 129.51

Timed ImageMagick Compilation

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed ImageMagick Compilation 6.8.1-10Time To CompileClang 3.4GCC 4.8.280160240320400SE +/- 0.62, N = 3SE +/- 0.20, N = 3146.80346.30
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed ImageMagick Compilation 6.8.1-10Time To CompileClang 3.4GCC 4.8.260120180240300Min: 145.56 / Avg: 146.8 / Max: 147.55Min: 345.91 / Avg: 346.3 / Max: 346.57

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 TimeClang 3.4GCC 4.8.250100150200250SE +/- 1.04, N = 3SE +/- 0.18, N = 3207.4886.011. (CC) gcc options: -lm -lpthread -O3
OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total TimeClang 3.4GCC 4.8.24080120160200Min: 205.67 / Avg: 207.48 / Max: 209.29Min: 85.66 / Avg: 86.01 / Max: 86.241. (CC) gcc options: -lm -lpthread -O3

FLAC Audio Encoding

OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.0WAV To FLACClang 3.4GCC 4.8.248121620SE +/- 0.15, N = 5SE +/- 0.12, N = 517.9315.161. (CXX) g++ options: -O2 -fvisibility=hidden -logg -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.0WAV To FLACClang 3.4GCC 4.8.2510152025Min: 17.36 / Avg: 17.93 / Max: 18.17Min: 14.72 / Avg: 15.16 / Max: 15.361. (CXX) g++ options: -O2 -fvisibility=hidden -logg -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 MP3Clang 3.4GCC 4.8.2918273645SE +/- 0.16, N = 5SE +/- 0.14, N = 537.9936.63-funroll-loops-fomit-frame-pointer1. (CC) gcc options: -O3 -ffast-math -pipe -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.99.3WAV To MP3Clang 3.4GCC 4.8.2816243240Min: 37.37 / Avg: 37.99 / Max: 38.31Min: 36.09 / Avg: 36.63 / Max: 36.911. (CC) gcc options: -O3 -ffast-math -pipe -lm

Apache Benchmark

This is a test of ab, which is the Apache benchmark program. This test profile measures how many requests per second a given system can sustain when carrying out 1,000,000 requests with 100 requests being carried out concurrently. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.4.7Static Web Page ServingClang 3.4GCC 4.8.210002000300040005000SE +/- 23.54, N = 3SE +/- 45.72, N = 34565.504601.341. (CC) gcc options: -shared -fPIC -O2 -pthread
OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.4.7Static Web Page ServingClang 3.4GCC 4.8.28001600240032004000Min: 4521.79 / Avg: 4565.5 / Max: 4602.49Min: 4526.45 / Avg: 4601.34 / Max: 4684.221. (CC) gcc options: -shared -fPIC -O2 -pthread

Clang 3.4

Processor: ARMv7 rev 3 @ 2.32GHz (4 Cores), Motherboard: laguna, Memory: 2048MB, Disk: 16GB SEM16G, Graphics: GK20A/AXI, Network: Realtek RTL8111/8168/8411

OS: Ubuntu 14.04, Kernel: 3.10.24-g6a2d13a (armv7l), Desktop: Unity 7.2.0, Display Server: X Server 1.15.1, Display Driver: NVIDIA 19.2, OpenGL: 4.3.0, Compiler: Clang 3.4-1ubuntu3, File-System: ext4, Screen Resolution: 1920x1080

Processor Notes: Scaling Governor: tegra ondemand

Testing initiated at 13 May 2014 14:37 by user ubuntu.

GCC 4.8.2

Processor: ARMv7 rev 3 @ 2.32GHz (4 Cores), Motherboard: laguna, Memory: 2048MB, Disk: 16GB SEM16G, Graphics: GK20A/AXI, Network: Realtek RTL8111/8168/8411

OS: Ubuntu 14.04, Kernel: 3.10.24-g6a2d13a (armv7l), Desktop: Unity 7.2.0, Display Server: X Server 1.15.1, Display Driver: NVIDIA 19.2, OpenGL: 4.3.0, Compiler: GCC 4.8.2 + Clang 3.4-1ubuntu3, File-System: ext4, Screen Resolution: 1920x1080

Compiler Notes: --build=arm-linux-gnueabihf --disable-browser-plugin --disable-libitm --disable-libmudflap --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-float=hard --with-fpu=vfpv3-d16 --with-mode=thumb -v
Processor Notes: Scaling Governor: tegra ondemand

Testing initiated at 13 May 2014 15:59 by user ubuntu.