ARM Cortex A15 GCC Compiler Benchmarks

Benchmarks of GCC 4.6.3 vs. GCC 4.7.2 from a Samsung Exynos 5 Dual SoC with ARM Cortex A15 dual-core ARMv7 1.7GHz processor. Cortex A15 ARM 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 1212044-RA-CORTEX15G86
Jump To Table - Results

View

Do Not Show Noisy Results
Do Not Show Results With Incomplete Data
Do Not Show Results With Little Change/Spread
List Notable Results
Show Result Confidence Charts

Limit displaying results to tests within:

Audio Encoding 2 Tests
C/C++ Compiler Tests 5 Tests
CPU Massive 5 Tests
Creator Workloads 6 Tests
Encoding 4 Tests
Multi-Core 5 Tests
Renderers 2 Tests
Server CPU Tests 2 Tests
Single-Threaded 3 Tests
Video Encoding 2 Tests

Statistics

Show Overall Harmonic Mean(s)
Show Overall Geometric Mean
Show Geometric Means Per-Suite/Category
Show Wins / Losses Counts (Pie Chart)
Normalize Results
Remove Outliers Before Calculating Averages

Graph Settings

Force Line Graphs Where Applicable
Convert To Scalar Where Applicable
Disable Color Branding
Prefer Vertical Bar Graphs

Table

Show Detailed System Result Table

Run Management

Highlight
Result
Hide
Result
Result
Identifier
View Logs
Performance Per
Dollar
Date
Run
  Test
  Duration
GCC 4.6.3
November 24 2012
 
GCC 4.7.2
November 24 2012
 
fpu=neon
November 26 2012
 
marm
November 27 2012
 
mtune=cortex-a15
November 27 2012
 
mtune=cortex-a15 marm fpu=neon
November 27 2012
 
Invert Hiding All Results Option
 

Only show results where is faster than
Only show results matching title/arguments (delimit multiple options with a comma):
Do not show results matching title/arguments (delimit multiple options with a comma):

GCC 4.6.3

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

OS: Ubuntu 12.04, Kernel: 3.4.0 (armv7l), Desktop: Unity 2D 5.16.0, Display Server: X Server 1.11.3, Compiler: GCC 4.6, File-System: ext4, Screen Resolution: 1366x768

Compiler Notes: --build=arm-linux-gnueabihf --disable-sjlj-exceptions --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-languages=c,c++,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 Notes: Scaling Governor: ondemand
System Notes: Python 2.7.3.

GCC 4.7.2

Compiler Notes: --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 Notes: Scaling Governor: ondemand

fpu=neon

marm

mtune=cortex-a15

mtune=cortex-a15 marm fpu=neon

OS: Ubuntu 12.04, Kernel: 3.4.0 (armv7l), Desktop: Unity 2D 5.16.0, Display Server: X Server 1.11.3, Compiler: GCC 4.7, File-System: ext4, Screen Resolution: 1366x768

ARM Cortex A15 GCC Compiler BenchmarksOpenBenchmarking.orgPhoronix Test SuiteExynos ARMv7 rev 4 @ 1.70GHz (2 Cores)SAMSUNG EXYNOS5 (Flattened Device Tree)2048MB16GB SEM16GUbuntu 12.043.4.0 (armv7l)Unity 2D 5.16.0X Server 1.11.3GCC 4.6GCC 4.7ext41366x768ProcessorMotherboardMemoryDiskOSKernelDesktopDisplay ServerCompilersFile-SystemScreen ResolutionARM Cortex A15 GCC Compiler Benchmarks PerformanceSystem Logs- GCC 4.6.3: --build=arm-linux-gnueabihf --disable-sjlj-exceptions --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-languages=c,c++,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 - GCC 4.7.2: --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 - fpu=neon: --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 - marm: --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 - mtune=cortex-a15: --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 - mtune=cortex-a15 marm fpu=neon: --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 - Scaling Governor: ondemand- GCC 4.6.3: Python 2.7.3.

GCC 4.6.3GCC 4.7.2fpu=neonmarmmtune=cortex-a15mtune=cortex-a15 marm fpu=neonResult OverviewPhoronix Test Suite100%110%121%131%C-RaySciMarkFLAC Audio EncodingPrimesieveVP8 libvpx Encodingx264SmallptOgg EncodingTotal TimeF.F.TWAV To FLAC1.P.N.GvpxencH.2.V.EG.I.R.1.SWAV To Ogg

ARM Cortex A15 GCC Compiler Benchmarksscimark2: Fast Fourier Transformencode-flac: WAV To FLACencode-ogg: WAV To Oggprimesieve: 1e12 Prime Number Generationvpxenc: vpxencx264: H.264 Video Encodingc-ray: Total Timesmallpt: Global Illumination Renderer; 100 SamplesGCC 4.6.3GCC 4.7.2fpu=neonmarmmtune=cortex-a15mtune=cortex-a15 marm fpu=neon37.6519.8131.50957.911.2110.62447.38120844.6219.1831.75810.271.2910.83348.61118147.4616.4332.30841.751.3311.04315.31119040.6918.5231.83837.561.3010.68315.86117240.8419.2631.62820.771.3310.79327.62118942.4016.6032.16816.391.4210.32332.871172OpenBenchmarking.org

SciMark

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Fast Fourier Transformmtune=cortex-a15 marm fpu=neonmtune=cortex-a15marmfpu=neonGCC 4.7.2GCC 4.6.31122334455SE +/- 0.73, N = 4SE +/- 0.46, N = 4SE +/- 0.88, N = 4SE +/- 0.63, N = 4SE +/- 0.29, N = 4SE +/- 0.82, N = 442.4040.8440.6947.4644.6237.65

FLAC Audio Encoding

OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.2.1WAV To FLACmtune=cortex-a15 marm fpu=neonmtune=cortex-a15marmfpu=neonGCC 4.7.2GCC 4.6.3510152025SE +/- 0.20, N = 10SE +/- 0.28, N = 5SE +/- 0.05, N = 5SE +/- 0.04, N = 5SE +/- 0.06, N = 5SE +/- 0.04, N = 516.6019.2618.5216.4319.1819.81-mtune=cortex-a15 -marm -mfpu=neon-mtune=cortex-a15-marm-mfpu=neon-O2-O21. (CXX) g++ options: -logg -lm

Ogg Encoding

OpenBenchmarking.orgSeconds, Fewer Is BetterOgg Encoding 1.3.0WAV To Oggmtune=cortex-a15 marm fpu=neonmtune=cortex-a15marmfpu=neonGCC 4.7.2GCC 4.6.3816243240SE +/- 0.27, N = 5SE +/- 0.14, N = 5SE +/- 0.31, N = 5SE +/- 0.16, N = 5SE +/- 0.16, N = 5SE +/- 0.13, N = 532.1631.6231.8332.3031.7531.50-mtune=cortex-a15 -marm -mfpu=neon-mtune=cortex-a15-marm-mfpu=neon1. (CC) gcc options: -O2 -ffast-math -fsigned-char -lm -logg

Primesieve

OpenBenchmarking.orgSeconds, Fewer Is BetterPrimesieve 4.01e12 Prime Number Generationmtune=cortex-a15 marm fpu=neonmtune=cortex-a15marmfpu=neonGCC 4.7.2GCC 4.6.32004006008001000SE +/- 14.22, N = 4SE +/- 14.31, N = 3SE +/- 10.31, N = 3SE +/- 12.17, N = 3SE +/- 9.65, N = 3SE +/- 6.82, N = 3816.39820.77837.56841.75810.27957.911. (CXX) g++ options: -O2 -fopenmp

VP8 libvpx Encoding

OpenBenchmarking.orgFrames Per Second, More Is BetterVP8 libvpx Encoding 1.1.0vpxencmtune=cortex-a15 marm fpu=neonmtune=cortex-a15marmfpu=neonGCC 4.7.2GCC 4.6.30.31950.6390.95851.2781.5975SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 31.421.331.301.331.291.211. (CC) gcc options: -lvpx -lm -lpthread

x264

OpenBenchmarking.orgFrames Per Second, More Is Betterx264 2012-10-03H.264 Video Encodingmtune=cortex-a15 marm fpu=neonmtune=cortex-a15marmfpu=neonGCC 4.7.2GCC 4.6.33691215SE +/- 0.11, N = 3SE +/- 0.07, N = 3SE +/- 0.21, N = 3SE +/- 0.19, N = 3SE +/- 0.06, N = 3SE +/- 0.08, N = 310.3210.7910.6811.0410.8310.62

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 Timemtune=cortex-a15 marm fpu=neonmtune=cortex-a15marmfpu=neonGCC 4.7.2GCC 4.6.3100200300400500SE +/- 2.85, N = 3SE +/- 0.64, N = 3SE +/- 0.45, N = 3SE +/- 1.63, N = 3SE +/- 16.52, N = 6SE +/- 7.03, N = 6332.87327.62315.86315.31348.61447.38-mtune=cortex-a15 -marm -mfpu=neon-mtune=cortex-a15-marm-mfpu=neon1. (CC) gcc options: -lm -lpthread -O3

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 Samplesmtune=cortex-a15 marm fpu=neonmtune=cortex-a15marmfpu=neonGCC 4.7.2GCC 4.6.330060090012001500SE +/- 2.52, N = 3SE +/- 1.76, N = 3SE +/- 3.46, N = 3SE +/- 2.08, N = 3SE +/- 2.08, N = 3SE +/- 1.45, N = 3117211891172119011811208-mtune=cortex-a15 -marm -mfpu=neon-mtune=cortex-a15-marm-mfpu=neon1. (CXX) g++ options: -fopenmp

GCC 4.6.3

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

OS: Ubuntu 12.04, Kernel: 3.4.0 (armv7l), Desktop: Unity 2D 5.16.0, Display Server: X Server 1.11.3, Compiler: GCC 4.6, File-System: ext4, Screen Resolution: 1366x768

Compiler Notes: --build=arm-linux-gnueabihf --disable-sjlj-exceptions --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-languages=c,c++,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 Notes: Scaling Governor: ondemand
System Notes: Python 2.7.3.

Testing initiated at 24 November 2012 03:42 by user user.

GCC 4.7.2

Compiler Notes: --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 Notes: Scaling Governor: ondemand

Testing initiated at 24 November 2012 15:13 by user user.

fpu=neon

Compiler Notes: --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 Notes: Scaling Governor: ondemand

Testing initiated at 26 November 2012 23:36 by user user.

marm

Compiler Notes: --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 Notes: Scaling Governor: ondemand

Testing initiated at 27 November 2012 04:27 by user user.

mtune=cortex-a15

Compiler Notes: --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 Notes: Scaling Governor: ondemand

Testing initiated at 27 November 2012 13:45 by user user.

mtune=cortex-a15 marm fpu=neon

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

OS: Ubuntu 12.04, Kernel: 3.4.0 (armv7l), Desktop: Unity 2D 5.16.0, Display Server: X Server 1.11.3, Compiler: GCC 4.7, File-System: ext4, Screen Resolution: 1366x768

Compiler Notes: --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 Notes: Scaling Governor: ondemand

Testing initiated at 27 November 2012 16:39 by user user.