GCC vs. LLVM Clang on the Intel Core i7 5960X Haswell-E platform with Ubuntu 14.10 Linux on the 3.16 kernel.
Compare your own system(s) to this result file with the
Phoronix Test Suite by running the command:
phoronix-test-suite benchmark 1411066-SO-1409114PT44
Core i7 5960X Compilers,
"x264 2014-08-30 - H.264 Video Encoding",
Higher Results Are Better
"GCC 4.9.1",234.34,240.37,246.9,234.77,243.48
"LLVM Clang 3.5",241.51,232.39,240.47,244.04,228.44
"Intel i7 4700HQ",157.92,158.44,159.16,160.17,161.19
"SciMark 2.0 - Computational Test: Composite",
Higher Results Are Better
"GCC 4.9.1",1246.51,1213.92,1222.3,1222.26
"LLVM Clang 3.5",1982.99,1898.66,1894.05,1913.18
"Intel i7 4700HQ",1206.48,1156.65,1191.67,1192.85
"SciMark 2.0 - Computational Test: Monte Carlo",
Higher Results Are Better
"GCC 4.9.1",485.98,475.58,475.6,474.95
"LLVM Clang 3.5",530.23,502.5,512.22,497.38
"Intel i7 4700HQ",529.25,524.09,525.81,525.79
"SciMark 2.0 - Computational Test: Fast Fourier Transform",
Higher Results Are Better
"GCC 4.9.1",354.71,316.86,317.12,357.71
"LLVM Clang 3.5",371.89,334.85,360.52,338.26
"Intel i7 4700HQ",245.71,249.99,244.25,254.24
"SciMark 2.0 - Computational Test: Sparse Matrix Multiply",
Higher Results Are Better
"GCC 4.9.1",2127.54,2126.19,2129.94,2125.83
"LLVM Clang 3.5",2730.25,2816.43,2155.83,2196.9
"Intel i7 4700HQ",1901.25,1859.79,1858.38,1872.74
"SciMark 2.0 - Computational Test: Dense LU Matrix Factorization",
Higher Results Are Better
"GCC 4.9.1",2250.5,2245.61,2283.52,2247.5
"LLVM Clang 3.5",4814.92,4523.21,4963.86,5256.16
"Intel i7 4700HQ",2351.73,2151.87,2339.55,2317.92
"SciMark 2.0 - Computational Test: Jacobi Successive Over-Relaxation",
Higher Results Are Better
"GCC 4.9.1",1013.81,905.35,905.31,905.29
"LLVM Clang 3.5",1467.67,1316.34,1477.8,1277.2
"Intel i7 4700HQ",1004.44,997.53,990.37,993.58
"Himeno Benchmark 3.0 - Poisson Pressure Solver",
Higher Results Are Better
"GCC 4.9.1",1582.144161,1663.185391,1512.583936,1524.554338,1584.05598,1514.145362
"LLVM Clang 3.5",1351.130476,1403.023931,1370.715953
"Intel i7 4700HQ",1509.580276,1521.675018,1508.403831
"Hierarchical INTegration 1.0 - Test: FLOAT",
Higher Results Are Better
"GCC 4.9.1",260876507.47711,251511421.6557,235153588.6678,262880128.9986,248581789.31786,264711505.76583
"LLVM Clang 3.5",205938932.90335,206025979.67701,205794695.27294
"Intel i7 4700HQ",315068111.69165,314465197.37324,312376362.06197
"John The Ripper 1.8.0 - Test: Blowfish",
Higher Results Are Better
"GCC 4.9.1",11462,11458,11500
"LLVM Clang 3.5",807,770,812
"John The Ripper 1.8.0 - Test: Traditional DES",
Higher Results Are Better
"GCC 4.9.1",17698000,17616000,17786000
"LLVM Clang 3.5",4549000,4549000,4545000
"John The Ripper 1.8.0 - Test: MD5",
Higher Results Are Better
"GCC 4.9.1",147161,146868,146868
"LLVM Clang 3.5",13752,13392,12472,14158,13056,12632
"Apache Benchmark 2.4.7 - Static Web Page Serving",
Higher Results Are Better
"GCC 4.9.1",16268.31,18059.27,16411.53,16788.67,17774.93,17189.58
"LLVM Clang 3.5",16603.6,17262.42,16887.64
"Intel i7 4700HQ",34004.91,33864.71,34148.9
"Timed Apache Compilation 2.4.7 - Time To Compile",
Lower Results Are Better
"GCC 4.9.1",33.916267156601,33.959364175797,33.657769203186
"LLVM Clang 3.5",22.762867212296,22.892946004868,23.274574995041
"Intel i7 4700HQ",33.323194980621,33.101013183594,33.548388004303
"Timed PHP Compilation 5.2.9 - Time To Compile",
Lower Results Are Better
"GCC 4.9.1",21.291702032089,20.799381017685,20.632915973663
"LLVM Clang 3.5",19.612205982208,18.371748924255,18.152939796448,18.416474819183,18.419042110443
"Intel i7 4700HQ",30.84819483757,30.107479095459,30.193888902664
"C-Ray 1.1 - Total Time",
Lower Results Are Better
"GCC 4.9.1",9.704,9.739,9.743
"LLVM Clang 3.5",14.785,14.739,14.779
"Intel i7 4700HQ",26.831,28.032,29.062,28.345
"Smallpt 1.0 - Global Illumination Renderer; 100 Samples",
Lower Results Are Better
"GCC 4.9.1",14,14,14
"LLVM Clang 3.5",172,171,172
"Intel i7 4700HQ",126,129,128
"FLAC Audio Encoding 1.3.0 - WAV To FLAC",
Lower Results Are Better
"GCC 4.9.1",4.9060568809509,4.8994030952454,4.7879049777985,4.9331209659576,4.9217298030853
"LLVM Clang 3.5",5.2331831455231,5.2465898990631,5.3792150020599,5.0487649440765,5.5066480636597
"Intel i7 4700HQ",5.3250479698181,5.3579938411713,5.3186099529266,5.3116948604584,5.3190240859985
"LAME MP3 Encoding 3.99.3 - WAV To MP3",
Lower Results Are Better
"GCC 4.9.1",13.762188911438,14.610019922256,14.005785942078,13.462810993195,14.776266098022,14.715774059296,14.670114994049,14.703061819077,14.705328941345
"LLVM Clang 3.5",17.526544094086,17.734218120575,16.997553110123,17.378103017807,17.598604917526
"Intel i7 4700HQ",14.363723993301,14.313399076462,14.254492998123,14.324041128159,14.253751993179