LLVM Clang 3.4 Intel Core i7 Haswell Core-AVX2

Intel Core i7-4770K Haswell testing of GCC 4.8.1 and an early GCC 4.9.0 compiler snapshot along with LLVM Clang 3.3 and an LLVM Clang 3.4 development snapshot. Testing with CFLAGS/CXXFLAGS for the Intel Core i7 Haswell CPU of -O3 and -march=core-avx2. Benchmarking 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 1306273-SO-CLANG34LL14
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

Limit displaying results to tests within:

Bioinformatics 3 Tests
C/C++ Compiler Tests 9 Tests
CPU Massive 9 Tests
Creator Workloads 5 Tests
Encoding 2 Tests
HPC - High Performance Computing 3 Tests
Multi-Core 7 Tests
Renderers 2 Tests
Scientific Computing 3 Tests
Server CPU Tests 3 Tests
Single-Threaded 3 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
Prefer Vertical Bar Graphs

Multi-Way Comparison

Condense Multi-Option Tests Into Single Result 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 4.8.1
June 26 2013
 
GCC 4.9.0 20130623
June 25 2013
 
LLVM Clang 3.3
June 27 2013
 
LLVM 3.4 SVN 20130626
June 26 2013
 
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):


LLVM Clang 3.4 Intel Core i7 Haswell Core-AVX2 - Phoronix Test Suite

LLVM Clang 3.4 Intel Core i7 Haswell Core-AVX2

Intel Core i7-4770K Haswell testing of GCC 4.8.1 and an early GCC 4.9.0 compiler snapshot along with LLVM Clang 3.3 and an LLVM Clang 3.4 development snapshot. Testing with CFLAGS/CXXFLAGS for the Intel Core i7 Haswell CPU of -O3 and -march=core-avx2. Benchmarking by Michael Larabel for a future article on phoronix.com

HTML result view exported from: https://openbenchmarking.org/result/1306273-SO-CLANG34LL14&grs&sor.

LLVM Clang 3.4 Intel Core i7 Haswell Core-AVX2ProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilerFile-SystemScreen ResolutionGCC 4.8.1GCC 4.9.0 20130623LLVM Clang 3.3LLVM 3.4 SVN 20130626Intel Core i7-4770K @ 3.50GHz (8 Cores)Intel DH87RLIntel 4th Gen Core DRAM15360MB240GB OCZ VERTEX3Intel Haswell DesktopIntel Haswell HDMIVA2431Intel Connection I217-VUbuntu 13.103.10.0-999-generic (x86_64)KDE 4.10.4X Server 1.13.3intel 2.21.93.0 Mesa 9.2.0-devel (git-bbd2d57)GCC 4.8.1 + Clang 3.3 + LLVM 3.3ext41920x1080GCC 4.9.0 20130623 + Clang 3.3 + LLVM 3.3Clang 3.3 + LLVM 3.3Clang 3.4 (SVN 185044) + LLVM 3.4svnOpenBenchmarking.orgCompiler Details- GCC 4.8.1: --disable-multilib --enable-checking=release --enable-languages=c,c++,fortran- GCC 4.9.0 20130623: --disable-multilib --enable-checking=release --enable-languages=c,c++,fortran- LLVM Clang 3.3: Optimized build; Built Jun 20 2013 (17:06:21); Default target: x86_64-unknown-linux-gnu; Host CPU: x86-64- LLVM 3.4 SVN 20130626: Optimized build; Built Jun 26 2013 (19:58:17); Default target: x86_64-unknown-linux-gnu; Host CPU: x86-64Processor Details- Scaling Governor: acpi-cpufreq ondemand

LLVM Clang 3.4 Intel Core i7 Haswell Core-AVX2smallpt: Global Illumination Renderer; 100 Samplesn-queens: Elapsed Timeprimesieve: 1e12 Prime Number Generationbuild-imagemagick: Time To Compilegraphics-magick: Resizingc-ray: Total Timeblake2: Phoronix Test Suite v4.8.0m1scimark2: Jacobi Successive Over-Relaxationscimark2: Dense LU Matrix Factorizationencode-flac: WAV To FLACscimark2: Compositescimark2: Sparse Matrix Multiplyscimark2: Fast Fourier Transformhmmer: Pfam Database Searchx264: H.264 Video Encodinghimeno: Poisson Pressure Solvermafft: Multiple Sequence AlignmentGCC 4.8.1GCC 4.9.0 20130623LLVM Clang 3.3LLVM 3.4 SVN 201306262536.6979.1779.1817517.065.711169.091825.435.371009.991204.00242.6610.47156.261048.775.472536.7279.2074.5918117.035.291170.181851.865.261005.561148.95248.0110.40155.671588.375.52140184.28323.3734.399127.067.401673.051755.855.641102.351228.19249.8310.81155.011586.396.09140186.32320.2334.379126.227.811613.322397.894.551204.771182.30239.9010.70152.821395.015.98OpenBenchmarking.org

Smallpt

Global Illumination Renderer; 100 Samples

OpenBenchmarking.orgSeconds, Fewer Is BetterSmallpt 1.0Global Illumination Renderer; 100 SamplesGCC 4.8.1GCC 4.9.0 20130623LLVM Clang 3.3LLVM 3.4 SVN 20130626306090120150SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.33, N = 3SE +/- 0.33, N = 325251401401. (CXX) g++ options: -fopenmp -O3 -march=core-avx2

N-Queens

Elapsed Time

OpenBenchmarking.orgSeconds, Fewer Is BetterN-Queens 1.0Elapsed TimeGCC 4.8.1GCC 4.9.0 20130623LLVM Clang 3.3LLVM 3.4 SVN 201306264080120160200SE +/- 0.04, N = 3SE +/- 0.03, N = 3SE +/- 0.11, N = 3SE +/- 0.05, N = 336.6936.72184.28186.321. (CC) gcc options: -static -fopenmp -O3 -march=core-avx2

Primesieve

1e12 Prime Number Generation

OpenBenchmarking.orgSeconds, Fewer Is BetterPrimesieve 4.21e12 Prime Number GenerationGCC 4.8.1GCC 4.9.0 20130623LLVM 3.4 SVN 20130626LLVM Clang 3.370140210280350SE +/- 0.14, N = 3SE +/- 0.04, N = 3SE +/- 0.41, N = 3SE +/- 0.19, N = 379.1779.20320.23323.37-fopenmp-fopenmp1. (CXX) g++ options: -O2

Timed ImageMagick Compilation

Time To Compile

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed ImageMagick Compilation 6.8.1-10Time To CompileLLVM 3.4 SVN 20130626LLVM Clang 3.3GCC 4.9.0 20130623GCC 4.8.120406080100SE +/- 0.12, N = 3SE +/- 0.10, N = 3SE +/- 0.11, N = 3SE +/- 0.28, N = 334.3734.3974.5979.18

GraphicsMagick

Operation: Resizing

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.16Operation: ResizingGCC 4.9.0 20130623GCC 4.8.1LLVM 3.4 SVN 20130626LLVM Clang 3.34080120160200SE +/- 0.00, N = 3SE +/- 2.73, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 31811759191-std=gnu99 -fopenmp-std=gnu99 -fopenmp1. (CC) gcc options: -O3 -march=core-avx2 -pthread -lXext -lSM -lICE -lX11 -lbz2 -lz -lm -lpthread

C-Ray

Total Time

OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total TimeGCC 4.9.0 20130623GCC 4.8.1LLVM 3.4 SVN 20130626LLVM Clang 3.3612182430SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 317.0317.0626.2227.061. (CC) gcc options: -lm -lpthread -O3 -march=core-avx2

BLAKE2

Phoronix Test Suite v4.8.0m1

OpenBenchmarking.orgCycles Per Byte, Fewer Is BetterBLAKE2 20121223Phoronix Test Suite v4.8.0m1GCC 4.9.0 20130623GCC 4.8.1LLVM Clang 3.3LLVM 3.4 SVN 20130626246810SE +/- 0.00, N = 3SE +/- 0.08, N = 3SE +/- 0.02, N = 3SE +/- 0.02, N = 35.295.717.407.811. (CC) gcc options: -std=gnu99 -O3 -march=native -lcrypto -lz

SciMark

Computational Test: Jacobi Successive Over-Relaxation

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Jacobi Successive Over-RelaxationLLVM Clang 3.3LLVM 3.4 SVN 20130626GCC 4.9.0 20130623GCC 4.8.1400800120016002000SE +/- 1.32, N = 4SE +/- 20.67, N = 4SE +/- 0.00, N = 4SE +/- 3.34, N = 41673.051613.321170.181169.091. (CXX) g++ options: -O3 -march=core-avx2

SciMark

Computational Test: Dense LU Matrix Factorization

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Dense LU Matrix FactorizationLLVM 3.4 SVN 20130626GCC 4.9.0 20130623GCC 4.8.1LLVM Clang 3.35001000150020002500SE +/- 26.35, N = 4SE +/- 2.63, N = 4SE +/- 17.54, N = 4SE +/- 2.77, N = 42397.891851.861825.431755.851. (CXX) g++ options: -O3 -march=core-avx2

FLAC Audio Encoding

WAV To FLAC

OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.0WAV To FLACLLVM 3.4 SVN 20130626GCC 4.9.0 20130623GCC 4.8.1LLVM Clang 3.31.2692.5383.8075.0766.345SE +/- 0.00, N = 5SE +/- 0.00, N = 5SE +/- 0.00, N = 5SE +/- 0.00, N = 54.555.265.375.641. (CXX) g++ options: -O3 -march=core-avx2 -fvisibility=hidden -logg -lm

SciMark

Computational Test: Composite

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: CompositeLLVM 3.4 SVN 20130626LLVM Clang 3.3GCC 4.8.1GCC 4.9.0 2013062330060090012001500SE +/- 1.71, N = 4SE +/- 1.35, N = 4SE +/- 3.60, N = 4SE +/- 0.86, N = 41204.771102.351009.991005.561. (CXX) g++ options: -O3 -march=core-avx2

SciMark

Computational Test: Sparse Matrix Multiply

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Sparse Matrix MultiplyLLVM Clang 3.3GCC 4.8.1LLVM 3.4 SVN 20130626GCC 4.9.0 2013062330060090012001500SE +/- 1.06, N = 4SE +/- 8.39, N = 4SE +/- 8.53, N = 4SE +/- 1.61, N = 41228.191204.001182.301148.951. (CXX) g++ options: -O3 -march=core-avx2

SciMark

Computational Test: Fast Fourier Transform

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Fast Fourier TransformLLVM Clang 3.3GCC 4.9.0 20130623GCC 4.8.1LLVM 3.4 SVN 2013062650100150200250SE +/- 0.21, N = 4SE +/- 0.51, N = 4SE +/- 2.71, N = 4SE +/- 0.81, N = 3249.83248.01242.66239.901. (CXX) g++ options: -O3 -march=core-avx2

Timed HMMer Search

Pfam Database Search

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed HMMer Search 2.3.2Pfam Database SearchGCC 4.9.0 20130623GCC 4.8.1LLVM 3.4 SVN 20130626LLVM Clang 3.33691215SE +/- 0.03, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.02, N = 310.4010.4710.7010.811. (CC) gcc options: -O3 -march=core-avx2 -pthread -lhmmer -lsquid -lm

x264

H.264 Video Encoding

OpenBenchmarking.orgFrames Per Second, More Is Betterx264 2013-06-08H.264 Video EncodingGCC 4.8.1GCC 4.9.0 20130623LLVM Clang 3.3LLVM 3.4 SVN 20130626306090120150SE +/- 0.79, N = 5SE +/- 0.90, N = 5SE +/- 0.15, N = 5SE +/- 0.51, N = 5156.26155.67155.01152.821. (CC) gcc options: -ldl -m64 -lm -lpthread -O3 -ffast-math -march=core-avx2 -std=gnu99 -fomit-frame-pointer -fno-tree-vectorize

Himeno Benchmark

Poisson Pressure Solver

OpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure SolverGCC 4.9.0 20130623LLVM Clang 3.3LLVM 3.4 SVN 20130626GCC 4.8.130060090012001500SE +/- 2.58, N = 3SE +/- 0.45, N = 3SE +/- 82.18, N = 6SE +/- 5.10, N = 31588.371586.391395.011048.771. (CC) gcc options: -O3 -march=core-avx2

Timed MAFFT Alignment

Multiple Sequence Alignment

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed MAFFT Alignment 6.864Multiple Sequence AlignmentGCC 4.8.1GCC 4.9.0 20130623LLVM 3.4 SVN 20130626LLVM Clang 3.3246810SE +/- 0.13, N = 6SE +/- 0.15, N = 6SE +/- 0.04, N = 3SE +/- 0.10, N = 65.475.525.986.091. (CC) gcc options: -O3 -lm -lpthread


Phoronix Test Suite v10.8.4