LLVM Clang 3.3/3.4 AMD FX-8150 Bulldozer Benchmark Compiler

AMD FX-8150 Eight-Core testing of LLVM Clang compiler. LLVM Clang 3.1, LLVM Clang 3.3, and LLVM Clang 3.4 (from mid June) compiler benchmarks under Ubuntu Linux from AMD FX Bulldozer Eight-Core CPU. Benchmarks for a future article on Phoronix by Michael Larabel. The LLVM Clang 3.2 compiler testing had to be skipped due to instability problems on this particular system.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 1306228-PTS-LLVMAMDF95
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Audio Encoding 2 Tests
Bioinformatics 4 Tests
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C/C++ Compiler Tests 14 Tests
CPU Massive 14 Tests
Creator Workloads 7 Tests
Encoding 4 Tests
HPC - High Performance Computing 4 Tests
Multi-Core 9 Tests
Programmer / Developer System Benchmarks 2 Tests
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LLVM Clang 3.3/3.4 AMD FX-8150 Bulldozer Benchmark CompilerProcessorMotherboardChipsetMemoryDiskGraphicsAudioNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilerFile-SystemScreen ResolutionLLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 20130621AMD FX-8150 Eight-Core @ 3.60GHz (8 Cores)MSI 760GM-P34(FX) (MS-7641) v4.0AMD RS780 + SB7x0/SB8x0/SB9x04096MB500GB Western Digital WD5000AZRX-0NVIDIA GeForce 8600 GTS 256MB (675/1008MHz)Realtek ALC887-VDRealtek RTL8111/8168Ubuntu 13.043.8.0-19-generic (x86_64)Unity 7.0.0X Server 1.13.3NVIDIA 304.883.3.0 NVIDIA 304.88Clang 3.1 + LLVM 3.1ext41920x1080500GB Western Digital WD5000AZRX-0 + 128GB RVS02 SuperSpeedClang 3.3 + LLVM 3.3500GB Western Digital WD5000AZRX-0Clang 3.4 (SVN 184563) + LLVM 3.4svnOpenBenchmarking.orgCompiler Details- LLVM Clang 3.1: Optimized build; Built Jun 21 2013 (13:15:04); Default target: x86_64-unknown-linux-gnu; Host CPU: bdver1- LLVM Clang 3.3: Optimized build; Built Jun 21 2013 (12:32:02); Default target: x86_64-unknown-linux-gnu; Host CPU: bdver1- LLVM Clang 3.4 20130621: Optimized build; Built Jun 21 2013 (12:56:45); Default target: x86_64-unknown-linux-gnu; Host CPU: bdver1Processor Details- Scaling Governor: acpi-cpufreq ondemand

LLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 20130621Result OverviewPhoronix Test Suite 10.6.1100%108%115%123%Timed PHP CompilationBLAKE2C-RayTimed HMMer Search7-Zip CompressionHimeno BenchmarkTimed ImageMagick CompilationLAME MP3 EncodingTimed MAFFT AlignmentTachyonSciMarkx264FFmpegSmallpt

LLVM Clang 3.3/3.4 AMD FX-8150 Bulldozer Benchmark Compilerhmmer: Pfam Database Searchmafft: Multiple Sequence Alignmentmrbayes: Primate Phylogeny Analysisblake2: Phoronix Test Suite v4.8.0m1scimark2: Monte Carloscimark2: Fast Fourier Transformscimark2: Sparse Matrix Multiplyscimark2: Dense LU Matrix Factorizationscimark2: Jacobi Successive Over-Relaxationx264: H.264 Video Encodinghimeno: Poisson Pressure Solvercompress-7zip: Compress Speed Testbuild-imagemagick: Time To Compilebuild-php: Time To Compilec-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 DVtachyon: Total Timeapache: Static Web Page ServingLLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 2013062115.027.9011.78352.0574.86979.921674.521163.52131.10641.681637632.5633.1944.9026721.4922.1317.2116873.7513.167.9825.989.19352.3471.07996.601644.851156.94132.02579.691869133.2625.5038.43885.892679.6520.5522.1517.3116869.4313.108.2624.639.07350.9072.33935.191916.761156.93130.64638.491652935.0225.4537.54883.722668.3020.6522.0017.73OpenBenchmarking.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 SearchLLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 2013062148121620SE +/- 0.16, N = 3SE +/- 0.18, N = 3SE +/- 0.21, N = 315.0213.1613.101. (CC) gcc options: -O3 -march=native -pthread -lhmmer -lsquid -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed HMMer Search 2.3.2Pfam Database SearchLLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 2013062148121620Min: 14.72 / Avg: 15.02 / Max: 15.28Min: 12.95 / Avg: 13.16 / Max: 13.52Min: 12.84 / Avg: 13.1 / Max: 13.511. (CC) gcc options: -O3 -march=native -pthread -lhmmer -lsquid -lm

Timed MAFFT Alignment

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed MAFFT Alignment 6.864Multiple Sequence AlignmentLLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 20130621246810SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.16, N = 67.907.988.261. (CC) gcc options: -O3 -lm -lpthread
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed MAFFT Alignment 6.864Multiple Sequence AlignmentLLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 201306213691215Min: 7.89 / Avg: 7.9 / Max: 7.91Min: 7.97 / Avg: 7.98 / Max: 8Min: 7.85 / Avg: 8.26 / Max: 8.691. (CC) gcc options: -O3 -lm -lpthread

Timed MrBayes Analysis

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed MrBayes Analysis 3.1.2Primate Phylogeny AnalysisLLVM Clang 3.3LLVM Clang 3.4 20130621612182430SE +/- 0.04, N = 3SE +/- 0.36, N = 325.9824.63
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed MrBayes Analysis 3.1.2Primate Phylogeny AnalysisLLVM Clang 3.3LLVM Clang 3.4 20130621612182430Min: 25.91 / Avg: 25.98 / Max: 26.06Min: 24.14 / Avg: 24.63 / Max: 25.34

BLAKE2

OpenBenchmarking.orgCycles Per Byte, Fewer Is BetterBLAKE2 20121223Phoronix Test Suite v4.8.0m1LLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 201306213691215SE +/- 0.00, N = 3SE +/- 0.17, N = 3SE +/- 0.16, N = 411.789.199.071. (CC) gcc options: -std=gnu99 -O3 -march=native -lcrypto -lz
OpenBenchmarking.orgCycles Per Byte, Fewer Is BetterBLAKE2 20121223Phoronix Test Suite v4.8.0m1LLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 201306213691215Min: 11.77 / Avg: 11.78 / Max: 11.78Min: 8.94 / Avg: 9.19 / Max: 9.52Min: 8.91 / Avg: 9.07 / Max: 9.531. (CC) gcc options: -std=gnu99 -O3 -march=native -lcrypto -lz

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 CarloLLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 2013062180160240320400SE +/- 0.47, N = 4SE +/- 0.55, N = 4SE +/- 0.47, N = 4352.05352.34350.901. (CXX) g++ options: -O3 -march=native
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Monte CarloLLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 2013062160120180240300Min: 350.9 / Avg: 352.05 / Max: 353.2Min: 350.9 / Avg: 352.34 / Max: 353.2Min: 349.75 / Avg: 350.9 / Max: 352.051. (CXX) g++ options: -O3 -march=native

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Fast Fourier TransformLLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 2013062120406080100SE +/- 0.07, N = 4SE +/- 0.10, N = 4SE +/- 0.12, N = 474.8671.0772.331. (CXX) g++ options: -O3 -march=native
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Fast Fourier TransformLLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 201306211428425670Min: 74.79 / Avg: 74.86 / Max: 75.06Min: 70.83 / Avg: 71.07 / Max: 71.3Min: 72.02 / Avg: 72.33 / Max: 72.511. (CXX) g++ options: -O3 -march=native

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Sparse Matrix MultiplyLLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 201306212004006008001000SE +/- 1.91, N = 4SE +/- 1.40, N = 4SE +/- 3.01, N = 4979.92996.60935.191. (CXX) g++ options: -O3 -march=native
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Sparse Matrix MultiplyLLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 201306212004006008001000Min: 975.24 / Avg: 979.92 / Max: 984.62Min: 994.17 / Avg: 996.6 / Max: 999.02Min: 926.7 / Avg: 935.19 / Max: 939.451. (CXX) g++ options: -O3 -march=native

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Dense LU Matrix FactorizationLLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 20130621400800120016002000SE +/- 1.52, N = 4SE +/- 3.82, N = 4SE +/- 3.30, N = 41674.521644.851916.761. (CXX) g++ options: -O3 -march=native
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Dense LU Matrix FactorizationLLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 2013062130060090012001500Min: 1671.89 / Avg: 1674.52 / Max: 1677.15Min: 1641.03 / Avg: 1644.85 / Max: 1656.31Min: 1911.59 / Avg: 1916.76 / Max: 1925.391. (CXX) g++ options: -O3 -march=native

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Jacobi Successive Over-RelaxationLLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 2013062130060090012001500SE +/- 1.28, N = 4SE +/- 1.78, N = 4SE +/- 0.00, N = 41163.521156.941156.931. (CXX) g++ options: -O3 -march=native
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Jacobi Successive Over-RelaxationLLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 201306212004006008001000Min: 1161.31 / Avg: 1163.52 / Max: 1165.73Min: 1152.58 / Avg: 1156.94 / Max: 1161.31Min: 1156.93 / Avg: 1156.93 / Max: 1156.931. (CXX) g++ options: -O3 -march=native

x264

OpenBenchmarking.orgFrames Per Second, More Is Betterx264 2013-06-08H.264 Video EncodingLLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 20130621306090120150SE +/- 1.53, N = 5SE +/- 0.28, N = 5SE +/- 1.32, N = 5131.10132.02130.641. (CC) gcc options: -ldl -m64 -lm -lpthread -O3 -ffast-math -march=native -std=gnu99 -fomit-frame-pointer -fno-tree-vectorize
OpenBenchmarking.orgFrames Per Second, More Is Betterx264 2013-06-08H.264 Video EncodingLLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 2013062120406080100Min: 125.06 / Avg: 131.1 / Max: 133.25Min: 131.44 / Avg: 132.02 / Max: 133.05Min: 125.38 / Avg: 130.64 / Max: 132.411. (CC) gcc options: -ldl -m64 -lm -lpthread -O3 -ffast-math -march=native -std=gnu99 -fomit-frame-pointer -fno-tree-vectorize

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 SolverLLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 20130621140280420560700SE +/- 0.81, N = 3SE +/- 0.62, N = 3SE +/- 0.72, N = 3641.68579.69638.491. (CC) gcc options: -O3 -march=native
OpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure SolverLLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 20130621110220330440550Min: 640.33 / Avg: 641.68 / Max: 643.14Min: 578.5 / Avg: 579.69 / Max: 580.54Min: 637.33 / Avg: 638.49 / Max: 639.821. (CC) gcc options: -O3 -march=native

7-Zip Compression

OpenBenchmarking.orgMIPS, More Is Better7-Zip Compression 9.20.1Compress Speed TestLLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 201306214K8K12K16K20KSE +/- 99.71, N = 3SE +/- 53.80, N = 3SE +/- 51.53, N = 31637618691165291. (CXX) g++ options: -pipe -lpthread
OpenBenchmarking.orgMIPS, More Is Better7-Zip Compression 9.20.1Compress Speed TestLLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 201306213K6K9K12K15KMin: 16236 / Avg: 16376 / Max: 16569Min: 18588 / Avg: 18691.33 / Max: 18769Min: 16431 / Avg: 16528.67 / Max: 166061. (CXX) g++ options: -pipe -lpthread

Timed ImageMagick Compilation

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed ImageMagick Compilation 6.8.1-10Time To CompileLLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 20130621816243240SE +/- 0.08, N = 3SE +/- 0.05, N = 3SE +/- 0.14, N = 332.5633.2635.02
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed ImageMagick Compilation 6.8.1-10Time To CompileLLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 20130621714212835Min: 32.43 / Avg: 32.56 / Max: 32.71Min: 33.18 / Avg: 33.26 / Max: 33.35Min: 34.75 / Avg: 35.02 / Max: 35.17

Timed PHP Compilation

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed PHP Compilation 5.2.9Time To CompileLLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 20130621816243240SE +/- 0.06, N = 3SE +/- 0.19, N = 3SE +/- 0.16, N = 333.1925.5025.45-lpthread1. (CC) gcc options: -O3 -march=native -pedantic -ldl -lz -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed PHP Compilation 5.2.9Time To CompileLLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 20130621714212835Min: 33.09 / Avg: 33.19 / Max: 33.29Min: 25.31 / Avg: 25.5 / Max: 25.89Min: 25.28 / Avg: 25.45 / Max: 25.781. (CC) gcc options: -O3 -march=native -pedantic -ldl -lz -lm

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 TimeLLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 201306211020304050SE +/- 0.04, N = 3SE +/- 0.01, N = 3SE +/- 0.03, N = 344.9038.4337.541. (CC) gcc options: -lm -lpthread -O3 -march=native
OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total TimeLLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 20130621918273645Min: 44.85 / Avg: 44.9 / Max: 44.97Min: 38.41 / Avg: 38.43 / Max: 38.44Min: 37.5 / Avg: 37.54 / Max: 37.591. (CC) gcc options: -lm -lpthread -O3 -march=native

Primesieve

OpenBenchmarking.orgSeconds, Fewer Is BetterPrimesieve 4.21e12 Prime Number GenerationLLVM Clang 3.3LLVM Clang 3.4 201306212004006008001000SE +/- 0.65, N = 3SE +/- 0.28, N = 3885.89883.721. (CXX) g++ options: -O2
OpenBenchmarking.orgSeconds, Fewer Is BetterPrimesieve 4.21e12 Prime Number GenerationLLVM Clang 3.3LLVM Clang 3.4 20130621160320480640800Min: 884.62 / Avg: 885.89 / Max: 886.8Min: 883.28 / Avg: 883.72 / Max: 884.231. (CXX) g++ options: -O2

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 SamplesLLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 2013062160120180240300SE +/- 1.15, N = 3SE +/- 0.33, N = 3SE +/- 1.20, N = 32672672661. (CXX) g++ options: -fopenmp -O3 -march=native
OpenBenchmarking.orgSeconds, Fewer Is BetterSmallpt 1.0Global Illumination Renderer; 100 SamplesLLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 2013062150100150200250Min: 265 / Avg: 267 / Max: 269Min: 267 / Avg: 267.33 / Max: 268Min: 264 / Avg: 266.33 / Max: 2681. (CXX) g++ options: -fopenmp -O3 -march=native

FLAC Audio Encoding

OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.0WAV To FLACLLVM Clang 3.3LLVM Clang 3.4 201306213691215SE +/- 0.00, N = 5SE +/- 0.00, N = 59.658.301. (CXX) g++ options: -O3 -march=native -fvisibility=hidden -logg -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.0WAV To FLACLLVM Clang 3.3LLVM Clang 3.4 201306213691215Min: 9.64 / Avg: 9.65 / Max: 9.66Min: 8.29 / Avg: 8.3 / Max: 8.311. (CXX) g++ options: -O3 -march=native -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 MP3LLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 20130621510152025SE +/- 0.01, N = 5SE +/- 0.02, N = 5SE +/- 0.02, N = 521.4920.5520.651. (CC) gcc options: -pipe -O3 -march=native -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.99.3WAV To MP3LLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 20130621510152025Min: 21.45 / Avg: 21.49 / Max: 21.53Min: 20.51 / Avg: 20.55 / Max: 20.61Min: 20.61 / Avg: 20.65 / Max: 20.711. (CC) gcc options: -pipe -O3 -march=native -lm

FFmpeg

OpenBenchmarking.orgSeconds, Fewer Is BetterFFmpeg 1.1H.264 HD To NTSC DVLLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 20130621510152025SE +/- 0.14, N = 3SE +/- 0.21, N = 3SE +/- 0.21, N = 322.1322.1522.001. (CC) gcc options: -lavdevice -lavfilter -lavformat -lavcodec -lswresample -lswscale -lavutil -ldl -lasound -lSDL -lm -pthread -O3 -march=native -std=c99 -fomit-frame-pointer -fno-math-errno -fno-signed-zeros -Qunused-arguments -MMD
OpenBenchmarking.orgSeconds, Fewer Is BetterFFmpeg 1.1H.264 HD To NTSC DVLLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 20130621510152025Min: 21.97 / Avg: 22.13 / Max: 22.4Min: 21.75 / Avg: 22.15 / Max: 22.48Min: 21.65 / Avg: 22 / Max: 22.361. (CC) gcc options: -lavdevice -lavfilter -lavformat -lavcodec -lswresample -lswscale -lavutil -ldl -lasound -lSDL -lm -pthread -O3 -march=native -std=c99 -fomit-frame-pointer -fno-math-errno -fno-signed-zeros -Qunused-arguments -MMD

Tachyon

This is a test of the threaded Tachyon, a parallel ray-tracing system. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterTachyon 0.98.9Total TimeLLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 2013062148121620SE +/- 0.49, N = 6SE +/- 0.37, N = 6SE +/- 0.04, N = 317.2117.3117.731. (CC) gcc options: -m32 -O3 -fomit-frame-pointer -ffast-math -ltachyon -lm -lpthread
OpenBenchmarking.orgSeconds, Fewer Is BetterTachyon 0.98.9Total TimeLLVM Clang 3.1LLVM Clang 3.3LLVM Clang 3.4 2013062148121620Min: 16.59 / Avg: 17.21 / Max: 19.66Min: 16.89 / Avg: 17.31 / Max: 19.18Min: 17.69 / Avg: 17.73 / Max: 17.821. (CC) gcc options: -m32 -O3 -fomit-frame-pointer -ffast-math -ltachyon -lm -lpthread

Apache Benchmark

OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.4.3Static Web Page ServingLLVM Clang 3.1LLVM Clang 3.34K8K12K16K20KSE +/- 157.08, N = 3SE +/- 84.36, N = 316873.7516869.431. (CC) gcc options: -shared -fPIC -pthread -O3 -march=native
OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.4.3Static Web Page ServingLLVM Clang 3.1LLVM Clang 3.33K6K9K12K15KMin: 16700.85 / Avg: 16873.75 / Max: 17187.36Min: 16742 / Avg: 16869.43 / Max: 17028.91. (CC) gcc options: -shared -fPIC -pthread -O3 -march=native