GCC Clang Intel Skylake Compiler Perf

GCC vs. LLVM Clang on Intel Core i5 Skylake system. Benchmarks by Michael Larabel for a future article on Phoronix.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 2103154-HA-1509040HA49
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Audio Encoding 2 Tests
Bioinformatics 2 Tests
C/C++ Compiler Tests 9 Tests
CPU Massive 10 Tests
Creator Workloads 5 Tests
Encoding 3 Tests
HPC - High Performance Computing 3 Tests
Multi-Core 5 Tests
Renderers 2 Tests
Scientific Computing 2 Tests
Server CPU Tests 5 Tests
Single-Threaded 4 Tests
Common Workstation Benchmarks 2 Tests

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Date
Run
  Test
  Duration
GCC 4.9.3
September 02 2015
 
GCC 5.2.0
September 02 2015
 
GCC 6.0.0 20150830
September 02 2015
 
Clang 3.8 SVN
September 03 2015
 
Clang 3.8 SVN OMP
September 03 2015
 
SR740_1509040-HA-GCCINTELS_compare
March 15 2021
  1 Hour, 11 Minutes
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GCC Clang Intel Skylake Compiler Perf, "SciMark 2.0 - Computational Test: Composite", Higher Results Are Better "GCC 4.9.3",1594.77,1595.26,1595.28,1593.33 "GCC 5.2.0",1589.09,1596.14,1595.05,1595.76 "GCC 6.0.0 20150830",1585.7,1583.38,1585.85,1582.4 "Clang 3.8 SVN",2465.84,2466.37,2465.29,2470.88 "SR740_1509040-HA-GCCINTELS_compare",1478.03,1494.98,1469.28,1471.52 "SciMark 2.0 - Computational Test: Monte Carlo", Higher Results Are Better "GCC 4.9.3",743.39,743.36,743.37,743.36 "GCC 5.2.0",754.9,754.9,754.82,754.81 "GCC 6.0.0 20150830",750.17,750.17,750.18,750.18 "Clang 3.8 SVN",644.01,644.2,644.19,644.19 "SR740_1509040-HA-GCCINTELS_compare",652.73,656.72,648.79,656.72 "SciMark 2.0 - Computational Test: Fast Fourier Transform", Higher Results Are Better "GCC 4.9.3",372.32,376.36,371.17,372.16 "GCC 5.2.0",372.22,372.84,371.68,374.31 "GCC 6.0.0 20150830",375.16,375.5,373.84,372.59 "Clang 3.8 SVN",381.9,385.29,382.86,384.97 "SR740_1509040-HA-GCCINTELS_compare",439.92,436.55,419.43,424.63 "SciMark 2.0 - Computational Test: Sparse Matrix Multiply", Higher Results Are Better "GCC 4.9.3",2740.3,2740.18,2744.52,2732.55 "GCC 5.2.0",2746.92,2749.26,2746.99,2753.15 "GCC 6.0.0 20150830",2697.63,2693.96,2690.25 "Clang 3.8 SVN",2715.53,2720.34,2723.52,2725.94 "SR740_1509040-HA-GCCINTELS_compare",2409.41,2482.42,2395.32,2430.86 "SciMark 2.0 - Computational Test: Dense LU Matrix Factorization", Higher Results Are Better "GCC 4.9.3",2992.75,2991.32,2992.25,2993.03 "GCC 5.2.0",2946.32,2978.46,2976.71,2971.41 "GCC 6.0.0 20150830",2980.35,2977.97,2986.02,2973.73 "Clang 3.8 SVN",7113.47,7107.5,7101.34,7124.83 "SR740_1509040-HA-GCCINTELS_compare",2882.88,2890.7,2890.7,2836.88 "SciMark 2.0 - Computational Test: Jacobi Successive Over-Relaxation", Higher Results Are Better "GCC 4.9.3",1125.1,1125.07,1125.08,1125.56 "GCC 5.2.0",1125.07,1125.2,1125.06,1125.1 "GCC 6.0.0 20150830",1125.2,1125.23,1125.23,1125.26 "Clang 3.8 SVN",1474.27,1474.51,1474.51,1474.49 "SR740_1509040-HA-GCCINTELS_compare",1005.2,1008.51,992.19,1008.51 "Hierarchical INTegration 1.0 - Test: FLOAT", Higher Results Are Better "GCC 4.9.3",394837804.79312,394232049.89723,395081766.03744 "GCC 5.2.0",402342219.79003,403231512.21333,402454882.39253 "GCC 6.0.0 20150830",404956931.3843,404809557.65768,403814148.63445 "Clang 3.8 SVN",293689449.24968,294059103.25953,294095403.42153 "SR740_1509040-HA-GCCINTELS_compare",361188100.47198,361177432.27956,361615065.18562 "FLAC Audio Encoding 1.3.1 - WAV To FLAC", Lower Results Are Better "GCC 4.9.3",4.9345579147339,4.9293038845062,4.9302020072937,4.9373450279236,4.934751033783 "GCC 5.2.0",4.9682760238647,4.9703540802002,4.9743058681488,4.964634180069,4.9714629650116 "GCC 6.0.0 20150830",4.9428708553314,4.9363811016083,4.9348618984222,4.9406778812408,4.929181098938 "Clang 3.8 SVN",5.1393859386444,5.1516120433807,5.1419439315796,5.1468930244446,5.133868932724 "SR740_1509040-HA-GCCINTELS_compare",7.248,7.207,7.196,7.392,7.205 "LAME MP3 Encoding 3.99.3 - WAV To MP3", Lower Results Are Better "GCC 4.9.3",10.61234498024,10.608708143234,10.633432865143,10.607469081879,10.611954927444 "GCC 5.2.0",10.764521121979,10.76255106926,10.767497062683,10.765527963638,10.773128986359 "GCC 6.0.0 20150830",10.549988031387,10.550884962082,10.564535140991,10.556622028351,10.553583145142 "Clang 3.8 SVN",11.321564912796,11.332617998123,11.316103935242,11.33346414566,11.332419872284 "Timed HMMer Search 2.3.2 - Pfam Database Search", Lower Results Are Better "GCC 4.9.3",9.409744977951,9.2464699745178,9.3306241035461 "GCC 5.2.0",9.1603939533234,9.1627058982849,9.1704459190369 "GCC 6.0.0 20150830",9.3140377998352,9.2828528881073,9.1317698955536 "Clang 3.8 SVN",9.5356040000916,9.5703089237213,9.4653120040894 "SR740_1509040-HA-GCCINTELS_compare",6.597,6.659,6.611 "Himeno Benchmark 3.0 - Poisson Pressure Solver", Higher Results Are Better "GCC 4.9.3",2763.989082,2763.627499,2761.606679 "GCC 5.2.0",2773.754172,2732.6421,2727.892519 "GCC 6.0.0 20150830",2714.547506,2725.315311,2720.148205 "Clang 3.8 SVN",1973.586269,1978.985502,1977.145238 "SR740_1509040-HA-GCCINTELS_compare",2331.494206,2347.947784,2318.551798 "Rodinia 2.4 - Test: OpenMP LavaMD", Lower Results Are Better "GCC 4.9.3",215.79670405388,215.93534207344,215.28149986267 "GCC 5.2.0",216.35744190216,216.04515910149,216.1969640255 "GCC 6.0.0 20150830",215.55016112328,215.60608410835,216.00381207466 "Clang 3.8 SVN",856.44845199585,856.56282377243,856.78080701828 "Clang 3.8 SVN OMP",856.56886506081,856.7617380619,857.71502184868 "SR740_1509040-HA-GCCINTELS_compare",48.868,48.873,49.144 "Rodinia 2.4 - Test: OpenMP CFD Solver", Lower Results Are Better "GCC 4.9.3",65.617480993271,66.355174064636,65.981617927551 "GCC 5.2.0",65.564110994339,64.951297044754,65.019948959351 "GCC 6.0.0 20150830",62.574317932129,64.522619009018,62.711479902267 "Clang 3.8 SVN",184.33946919441,183.71504592896,183.86199307442 "Clang 3.8 SVN OMP",185.50620603561,184.95207500458,183.44623994827 "SR740_1509040-HA-GCCINTELS_compare",17.331,17.689,17.613 "Rodinia 2.4 - Test: OpenMP Streamcluster", Lower Results Are Better "GCC 4.9.3",35.342303037643,35.257835865021,35.201591968536 "GCC 5.2.0",34.972087860107,34.945887088776,35.120176076889 "GCC 6.0.0 20150830",34.982412099838,35.013356924057,35.000349998474 "Clang 3.8 SVN",128.10512781143,128.43306994438,129.97367405891 "Clang 3.8 SVN OMP",128.32679796219,128.13019680977,128.1577270031 "SR740_1509040-HA-GCCINTELS_compare",22.147,20.124,23.56,23.599,24.006,24.419,22.252,19.042,20.55,16.76,22.003,23.883,22.978,22.453,18.003 "John The Ripper 1.8.0 - Test: Blowfish", Higher Results Are Better "GCC 4.9.3",4752,4761,4752 "GCC 5.2.0",4761,4766,4752 "GCC 6.0.0 20150830",4780,4780,4785 "Clang 3.8 SVN",1225,1225,1223 "Clang 3.8 SVN OMP",1226,1220,1225 "SR740_1509040-HA-GCCINTELS_compare",34835,35078,35008 "John The Ripper 1.8.0 - Test: Traditional DES", Higher Results Are Better "GCC 4.9.3",24134000,24644000,24674000 "GCC 5.2.0",24880000,25093000,25103000 "GCC 6.0.0 20150830",25123000,25142000,25159000 "Clang 3.8 SVN",6295000,6292000,6287000 "Clang 3.8 SVN OMP",6283000,6283000,6285000 "SR740_1509040-HA-GCCINTELS_compare",111516000,111398000,110729000 "John The Ripper 1.8.0 - Test: MD5", Higher Results Are Better "GCC 4.9.3",76595,76595,76442 "GCC 5.2.0",77004,77004,77004 "GCC 6.0.0 20150830",76851,76851,77004 "Clang 3.8 SVN",16684,16684,16683 "Clang 3.8 SVN OMP",16681,16681,16649 "SR740_1509040-HA-GCCINTELS_compare", "x264 2014-08-30 - H.264 Video Encoding", Higher Results Are Better "GCC 4.9.3",168.61,167.56,170.18,170.64,168.87 "GCC 5.2.0",171.56,171.19,169.81,170.77,172.1 "GCC 6.0.0 20150830",170.06,171.37,171.37,172.66,170.75 "Clang 3.8 SVN",167.53,167.48,166.59,166.48,167.79 "SR740_1509040-HA-GCCINTELS_compare",483.7,491.89,489.7,480.5,485.66 "C-Ray 1.1 - Total Time", Lower Results Are Better "GCC 4.9.3",15.187,15.18,15.148 "GCC 5.2.0",15.112,15.106,15.113 "GCC 6.0.0 20150830",15.089,15.098,15.087 "Clang 3.8 SVN",34.573,34.585,34.606 "SR740_1509040-HA-GCCINTELS_compare",4.201,4.179,4.227 "Smallpt 1.0 - Global Illumination Renderer; 100 Samples", Lower Results Are Better "GCC 4.9.3",28,27,28 "GCC 5.2.0",28,29,28 "GCC 6.0.0 20150830",28,28,29 "Clang 3.8 SVN",123,122,123 "Clang 3.8 SVN OMP",31,31,30 "SR740_1509040-HA-GCCINTELS_compare",133,130,142,21,131,132,132,136,19,137,137,132 "Apache Benchmark 2.4.7 - Static Web Page Serving", Higher Results Are Better "GCC 4.9.3",44430.08,44669.06,44133.85 "GCC 5.2.0",42209.64,41545.26,41231.47 "GCC 6.0.0 20150830",44714.11,47350.95,41657.51,41646.01,41384.07,41485.05 "Clang 3.8 SVN",44932.89,44871.21,43736.5 "SR740_1509040-HA-GCCINTELS_compare",13429.7,13516.58,13037.47