Intel Atom D525 Compiler Testing

Intel Atom D525 testing with GCC 4.7 and LLVM/Clang 3.0 from the Ubuntu Quantal repository. Benchmarking by Michael Larabel for a future article on Phoronix.com just looking at GCC vs. Clang on low-end low-power x86 hardware.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 1209140-RA-INTELATOM04
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Audio Encoding 2 Tests
Bioinformatics 3 Tests
Chess Test Suite 2 Tests
C/C++ Compiler Tests 13 Tests
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CPU Massive 13 Tests
Creator Workloads 5 Tests
Encoding 3 Tests
Fortran Tests 2 Tests
HPC - High Performance Computing 5 Tests
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LLVM-Clang 3.0
September 14 2012
 
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September 14 2012
 
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Intel Atom D525 Compiler TestingOpenBenchmarking.orgPhoronix Test Suite 10.2.2Intel Atom D525 @ 1.80GHz (4 Cores)FOXCONN NETBOX nT-435/535Intel Atom D4xx/D5xx/N4xx/N5xx2048MB500GB Western Digital WD5000BEVT-2Intel Atom D4xx/D5xx/N4xx/N5xx IGPRealtek ALC888Realtek RTL8111/8168B + Realtek RTL8191SEvA Wireless LANUbuntu 12.103.5.0-14-generic (x86_64)Unity 6.4.0X Server 1.13.0intel 2.20.71.4 Mesa 8.1-develClang 3.0-6ubuntu3GCC 4.7ext41366x768ProcessorMotherboardChipsetMemoryDiskGraphicsAudioNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilersFile-SystemScreen ResolutionIntel Atom D525 Compiler Testing BenchmarksSystem Logs- Compiz was running on this system.- GCC 4.7.1: --build=x86_64-linux-gnu --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-nls --enable-objc-gc --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-arch-32=i686 --with-tune=generic -v

LLVM-Clang 3.0 vs. GCC 4.7.1 ComparisonPhoronix Test Suite 10.2.2Baseline+77.5%+77.5%+155%+155%+232.5%+232.5%+310%+310%310.1%62.1%34.9%19.4%19%11.6%11.3%8.6%4.9%4.6%3.2%G.I.R.1.SP.P.STotal TimeWAV To MP32.F.CElapsed TimeD.L.M.F11.5%M.S.AS.M.M11%P.D.SMonte Carlo7.9%Rhodopsin Protein6.9%J.S.O.R6.2%F.F.TvpxencS.W.P.S3.2%C.S.TSmallptHimeno BenchmarkC-RayLAME MP3 EncodingParallel BZIP2 CompressionCraftySciMarkTimed MAFFT AlignmentSciMarkTimed HMMer SearchSciMarkLAMMPS Molecular Dynamics SimulatorSciMarkSciMarkVP8 libvpx EncodingApache Benchmark7-Zip CompressionLLVM-Clang 3.0GCC 4.7.1

Intel Atom D525 Compiler Testingsmallpt: Global Illumination Renderer; 100 Sampleshimeno: Poisson Pressure Solverc-ray: Total Timeencode-mp3: WAV To MP3compress-pbzip2: 256MB File Compressioncrafty: Elapsed Timescimark2: Dense LU Matrix Factorizationmafft: Multiple Sequence Alignmentscimark2: Sparse Matrix Multiplyhmmer: Pfam Database Searchscimark2: Monte Carlolammps: Rhodopsin Proteinscimark2: Jacobi Successive Over-Relaxationscimark2: Fast Fourier Transformvpxenc: vpxencapache: Static Web Page Servingcompress-7zip: Compress Speed Testtscp: AI Chess Performanceffte: N=64, 1D Complex FFT Routineencode-flac: WAV To FLACopenssl: RSA 4096-bit PerformanceLLVM-Clang 3.0GCC 4.7.1133785.38490.12110.59106.75517.85202.3367.35189.46110.4669.54426.79341.0326.462.853135.732030117819943.5350.297.60326138.38363.4492.6389.67463.93181.5360.53170.67101.7364.45456.43321.0427.762.983039.212094118279943.957.60OpenBenchmarking.org

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 4.7.1LLVM-Clang 3.030060090012001500SE +/- 0.33, N = 3SE +/- 0.33, N = 332613371. (CXX) g++ options: -fopenmp -O3 -march=native
OpenBenchmarking.orgSeconds, Fewer Is BetterSmallpt 1.0Global Illumination Renderer; 100 SamplesGCC 4.7.1LLVM-Clang 3.02004006008001000Min: 325 / Avg: 325.67 / Max: 326Min: 1337 / Avg: 1337.33 / Max: 13381. (CXX) g++ options: -fopenmp -O3 -march=native

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 4.7.1LLVM-Clang 3.0306090120150SE +/- 0.06, N = 3SE +/- 1.69, N = 6138.3885.381. (CC) gcc options: -O3 -march=native
OpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure SolverGCC 4.7.1LLVM-Clang 3.0306090120150Min: 138.27 / Avg: 138.38 / Max: 138.46Min: 79.74 / Avg: 85.38 / Max: 901. (CC) gcc options: -O3 -march=native

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 4.7.1LLVM-Clang 3.0110220330440550SE +/- 0.06, N = 3SE +/- 0.08, N = 3363.44490.121. (CC) gcc options: -lm -lpthread -O3 -march=native
OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total TimeGCC 4.7.1LLVM-Clang 3.090180270360450Min: 363.32 / Avg: 363.44 / Max: 363.52Min: 489.98 / Avg: 490.12 / Max: 490.271. (CC) gcc options: -lm -lpthread -O3 -march=native

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 4.7.1LLVM-Clang 3.020406080100SE +/- 0.04, N = 5SE +/- 0.07, N = 592.63110.59
OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.99.3WAV To MP3GCC 4.7.1LLVM-Clang 3.020406080100Min: 92.52 / Avg: 92.63 / Max: 92.74Min: 110.43 / Avg: 110.59 / Max: 110.86

Parallel BZIP2 Compression

OpenBenchmarking.orgSeconds, Fewer Is BetterParallel BZIP2 Compression 1.0.5256MB File CompressionGCC 4.7.1LLVM-Clang 3.020406080100SE +/- 1.38, N = 3SE +/- 0.83, N = 389.67106.751. (CXX) g++ options: -O2 -pthread -lpthread -lbz2
OpenBenchmarking.orgSeconds, Fewer Is BetterParallel BZIP2 Compression 1.0.5256MB File CompressionGCC 4.7.1LLVM-Clang 3.020406080100Min: 87.02 / Avg: 89.67 / Max: 91.68Min: 105.2 / Avg: 106.75 / Max: 108.051. (CXX) g++ options: -O2 -pthread -lpthread -lbz2

Crafty

OpenBenchmarking.orgSeconds, Fewer Is BetterCrafty 23.4Elapsed TimeGCC 4.7.1LLVM-Clang 3.0110220330440550SE +/- 0.72, N = 3SE +/- 0.63, N = 3463.93517.851. (CC) gcc options: -lstdc++ -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterCrafty 23.4Elapsed TimeGCC 4.7.1LLVM-Clang 3.090180270360450Min: 462.56 / Avg: 463.93 / Max: 465Min: 517.12 / Avg: 517.85 / Max: 519.11. (CC) gcc options: -lstdc++ -lm

SciMark

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Dense LU Matrix FactorizationLLVM-Clang 3.0GCC 4.7.14080120160200SE +/- 0.18, N = 4SE +/- 0.24, N = 4202.33181.53
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Dense LU Matrix FactorizationLLVM-Clang 3.0GCC 4.7.14080120160200Min: 202.02 / Avg: 202.33 / Max: 202.63Min: 181.16 / Avg: 181.53 / Max: 182.15

Timed MAFFT Alignment

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed MAFFT Alignment 6.864Multiple Sequence AlignmentGCC 4.7.1LLVM-Clang 3.01530456075SE +/- 0.12, N = 3SE +/- 1.10, N = 660.5367.351. (CC) gcc options: -O3 -lm -lpthread
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed MAFFT Alignment 6.864Multiple Sequence AlignmentGCC 4.7.1LLVM-Clang 3.01326395265Min: 60.31 / Avg: 60.53 / Max: 60.71Min: 61.86 / Avg: 67.35 / Max: 68.671. (CC) gcc options: -O3 -lm -lpthread

SciMark

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Sparse Matrix MultiplyLLVM-Clang 3.0GCC 4.7.14080120160200SE +/- 0.17, N = 4SE +/- 0.23, N = 4189.46170.67
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Sparse Matrix MultiplyLLVM-Clang 3.0GCC 4.7.1306090120150Min: 188.93 / Avg: 189.46 / Max: 189.63Min: 170.1 / Avg: 170.67 / Max: 171.24

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 4.7.1LLVM-Clang 3.020406080100SE +/- 0.88, N = 3SE +/- 0.40, N = 3101.73110.461. (CC) gcc options: -O3 -march=native -pthread -lhmmer -lsquid -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed HMMer Search 2.3.2Pfam Database SearchGCC 4.7.1LLVM-Clang 3.020406080100Min: 100.51 / Avg: 101.73 / Max: 103.43Min: 110 / Avg: 110.46 / Max: 111.251. (CC) gcc options: -O3 -march=native -pthread -lhmmer -lsquid -lm

SciMark

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Monte CarloLLVM-Clang 3.0GCC 4.7.11530456075SE +/- 0.00, N = 4SE +/- 0.08, N = 469.5464.45
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Monte CarloLLVM-Clang 3.0GCC 4.7.11326395265Min: 69.54 / Avg: 69.54 / Max: 69.54Min: 64.22 / Avg: 64.45 / Max: 64.53

LAMMPS Molecular Dynamics Simulator

OpenBenchmarking.orgLoop Time, Fewer Is BetterLAMMPS Molecular Dynamics Simulator 1.0Test: Rhodopsin ProteinLLVM-Clang 3.0GCC 4.7.1100200300400500SE +/- 0.64, N = 3SE +/- 0.67, N = 3426.79456.431. (CXX) g++ options: -lfftw -lmpich
OpenBenchmarking.orgLoop Time, Fewer Is BetterLAMMPS Molecular Dynamics Simulator 1.0Test: Rhodopsin ProteinLLVM-Clang 3.0GCC 4.7.180160240320400Min: 425.7 / Avg: 426.79 / Max: 427.91Min: 455.11 / Avg: 456.43 / Max: 457.21. (CXX) g++ options: -lfftw -lmpich

SciMark

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Jacobi Successive Over-RelaxationLLVM-Clang 3.0GCC 4.7.170140210280350SE +/- 0.38, N = 4SE +/- 0.64, N = 4341.03321.04
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Jacobi Successive Over-RelaxationLLVM-Clang 3.0GCC 4.7.160120180240300Min: 340.65 / Avg: 341.03 / Max: 342.17Min: 319.36 / Avg: 321.04 / Max: 322.04

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Fast Fourier TransformGCC 4.7.1LLVM-Clang 3.0714212835SE +/- 0.03, N = 4SE +/- 0.05, N = 427.7626.46
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Fast Fourier TransformGCC 4.7.1LLVM-Clang 3.0612182430Min: 27.71 / Avg: 27.76 / Max: 27.85Min: 26.34 / Avg: 26.46 / Max: 26.54

VP8 libvpx Encoding

OpenBenchmarking.orgFrames Per Second, More Is BetterVP8 libvpx Encoding 0.9.7-p1vpxencGCC 4.7.1LLVM-Clang 3.00.67051.3412.01152.6823.3525SE +/- 0.02, N = 3SE +/- 0.01, N = 32.982.851. (CC) gcc options: -m64 -lvpx -lm -lpthread
OpenBenchmarking.orgFrames Per Second, More Is BetterVP8 libvpx Encoding 0.9.7-p1vpxencGCC 4.7.1LLVM-Clang 3.0246810Min: 2.96 / Avg: 2.98 / Max: 3.02Min: 2.84 / Avg: 2.85 / Max: 2.861. (CC) gcc options: -m64 -lvpx -lm -lpthread

Apache Benchmark

OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.2.21Static Web Page ServingLLVM-Clang 3.0GCC 4.7.17001400210028003500SE +/- 2.91, N = 3SE +/- 6.86, N = 33135.733039.211. (CC) gcc options: -pthread -O3 -march=native -lm -lrt -lcrypt -lpthread -ldl
OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.2.21Static Web Page ServingLLVM-Clang 3.0GCC 4.7.15001000150020002500Min: 3132.37 / Avg: 3135.73 / Max: 3141.53Min: 3025.52 / Avg: 3039.21 / Max: 3046.821. (CC) gcc options: -pthread -O3 -march=native -lm -lrt -lcrypt -lpthread -ldl

7-Zip Compression

OpenBenchmarking.orgMIPS, More Is Better7-Zip Compression 9.20.1Compress Speed TestGCC 4.7.1LLVM-Clang 3.0400800120016002000SE +/- 2.40, N = 3SE +/- 4.93, N = 3209420301. (CXX) g++ options: -pipe -lpthread
OpenBenchmarking.orgMIPS, More Is Better7-Zip Compression 9.20.1Compress Speed TestGCC 4.7.1LLVM-Clang 3.0400800120016002000Min: 2089 / Avg: 2093.67 / Max: 2097Min: 2021 / Avg: 2030 / Max: 20381. (CXX) g++ options: -pipe -lpthread

TSCP

OpenBenchmarking.orgNodes Per Second, More Is BetterTSCP 1.81AI Chess PerformanceGCC 4.7.1LLVM-Clang 3.030K60K90K120K150KSE +/- 27.43, N = 5SE +/- 121.45, N = 5118279117819
OpenBenchmarking.orgNodes Per Second, More Is BetterTSCP 1.81AI Chess PerformanceGCC 4.7.1LLVM-Clang 3.020K40K60K80K100KMin: 118192 / Avg: 118278.6 / Max: 118345Min: 117336 / Avg: 117818.6 / Max: 117990

FFTE

FFTE is a package by Daisuke Takahashi to compute Discrete Fourier Transforms of 1-, 2- and 3- dimensional sequences of length (2^p)*(3^q)*(5^r). Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMFLOPS, More Is BetterFFTE 5.0Test: N=64, 1D Complex FFT RoutineGCC 4.7.1LLVM-Clang 3.02004006008001000SE +/- 0.32, N = 3SE +/- 0.43, N = 3943.95943.531. (F9X) gfortran options: -O3 -fomit-frame-pointer -fopenmp -lmpichf90 -lmpich -lopa -lmpl -lrt -lcr -lpthread
OpenBenchmarking.orgMFLOPS, More Is BetterFFTE 5.0Test: N=64, 1D Complex FFT RoutineGCC 4.7.1LLVM-Clang 3.0170340510680850Min: 943.39 / Avg: 943.95 / Max: 944.49Min: 942.8 / Avg: 943.53 / Max: 944.271. (F9X) gfortran options: -O3 -fomit-frame-pointer -fopenmp -lmpichf90 -lmpich -lopa -lmpl -lrt -lcr -lpthread

FLAC Audio Encoding

OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.2.1WAV To FLACLLVM-Clang 3.01122334455SE +/- 0.05, N = 550.291. (CXX) g++ options: -O3 -march=native -logg -lm

OpenSSL

OpenBenchmarking.orgSigns Per Second, More Is BetterOpenSSL 1.0.0eRSA 4096-bit PerformanceGCC 4.7.1LLVM-Clang 3.0246810SE +/- 0.00, N = 4SE +/- 0.00, N = 47.607.601. (CC) gcc options: -m64 -O3 -lssl -lcrypto -ldl
OpenBenchmarking.orgSigns Per Second, More Is BetterOpenSSL 1.0.0eRSA 4096-bit PerformanceGCC 4.7.1LLVM-Clang 3.03691215Min: 7.6 / Avg: 7.6 / Max: 7.6Min: 7.6 / Avg: 7.6 / Max: 7.61. (CC) gcc options: -m64 -O3 -lssl -lcrypto -ldl