GCC 4.9 compiler optimization tests of an Intel Core i7 Haswell CPU and applying different CFLAGS/CXXFLAGS to look at impact of core-avx2 CPU optimizations and other x86_64 -march= options. Benchmarks by Michael Larabel.
Compare your own system(s) to this result file with the
Phoronix Test Suite by running the command:
phoronix-test-suite benchmark 1308319-SO-GCC49SNAP71
GCC 4.9 Snapshot Compiler Flag Tests,
"Apache Benchmark 2.4.3 - Static Web Page Serving",
Higher Results Are Better
"Core-AVX2",31466.32,31177.3,31230.95
"Core-AVX-I",31307.75,30964.97,30748.84
"Corei7-AVX",31255.2,30724.14,30646.9
"Corei7",30247.3,31019.3,30732.98
"Core2",31144.96,30997.04,31050.52
"Nocona",30033.96,29805.67,29650.44
"N-Queens 1.0 - Elapsed Time",
Lower Results Are Better
"Core-AVX2",42.532,42.552,42.54
"Core-AVX-I",44.499,44.506,44.514
"Corei7-AVX",44.498,44.496,44.501
"Corei7",44.507,44.582,44.519
"Core2",44.51,44.509,44.524
"Nocona",45.771,45.76,45.761
"FFmpeg 2.0 - H.264 HD To NTSC DV",
Lower Results Are Better
"Core-AVX2",13.210289001465,13.08088684082,13.231890916824
"Core-AVX-I",13.374936103821,13.312038898468,13.241993904114
"Corei7-AVX",13.234261035919,13.449749946594,13.423057079315
"Corei7",13.384588003159,13.543344974518,13.56038403511
"Core2",13.322098970413,13.278419017792,13.381409883499
"Nocona",13.371942996979,13.280229091644,13.2435131073
"Ogg Encoding 1.3.0 - WAV To Ogg",
Lower Results Are Better
"Core-AVX2",7.0497488975525,7.0650660991669,7.0694711208344,7.0733759403229,7.0644438266754
"Core-AVX-I",7.0625,7.0848050117493,7.0566208362579,7.0639219284058,7.0516138076782
"Corei7-AVX",7.0748090744019,7.0528090000153,7.0595808029175,7.0646569728851,7.0613689422607
"Corei7",7.0585978031158,7.0656359195709,7.0657420158386,7.1396591663361,7.0715310573578
"Core2",7.0523898601532,7.0531189441681,7.0797472000122,7.0502910614014,7.0617139339447
"Nocona",7.0503709316254,7.0961728096008,7.0619180202484,7.0797100067139,7.0574250221252
"LAME MP3 Encoding 3.99.3 - WAV To MP3",
Lower Results Are Better
"Core-AVX2",14.232199907303,14.317543983459,14.316331863403,14.306268930435,14.348850011826
"Core-AVX-I",14.058557033539,14.084446907043,14.115251064301,14.06249499321,14.072292089462
"Corei7-AVX",14.063388109207,14.082300901413,14.073033094406,14.085115909576,14.069503068924
"Corei7",12.57053399086,12.568153142929,12.571352958679,12.583484888077,12.56437587738
"Core2",12.866842985153,12.899770021439,12.867791891098,12.872746944427,12.8869099617
"Nocona",12.648418188095,12.657025098801,12.64840388298,12.615834951401,12.644889116287
"FLAC Audio Encoding 1.3.0 - WAV To FLAC",
Lower Results Are Better
"Core-AVX2",5.3140578269958,5.3106820583344,5.308531999588,5.3108849525452,5.3151721954346
"Core-AVX-I",5.5839860439301,5.588406085968,5.587033033371,5.5950028896332,5.5909070968628
"Corei7-AVX",5.5915830135345,5.595636844635,5.5924439430237,5.578467130661,5.5865621566772
"Corei7",5.085736989975,5.0834760665894,5.0823669433594,5.0815289020538,5.0966041088104
"Core2",5.2162530422211,5.1998360157013,5.2105269432068,5.2094490528107,5.2052979469299
"Nocona",5.28981590271,5.2937560081482,5.2797610759735,5.275004863739,5.2915909290314
"Smallpt 1.0 - Global Illumination Renderer; 100 Samples",
Lower Results Are Better
"Core-AVX2",28,29,29
"Core-AVX-I",30,29,29
"Corei7-AVX",30,29,29
"Corei7",30,30,30
"Core2",30,30,30
"Nocona",30,30,30
"Primesieve 4.2 - 1e12 Prime Number Generation",
Lower Results Are Better
"Core-AVX2",92.3217,93.4574,93.7899
"Core-AVX-I",92.3768,93.257,93.8723
"Corei7-AVX",92.4586,93.5758,93.4259
"Corei7",92.4055,93.4646,93.5477
"Core2",92.3206,93.5664,93.5578
"Nocona",92.6473,93.5854,93.6973
"C-Ray 1.1 - Total Time",
Lower Results Are Better
"Core-AVX2",19.712,19.716,19.694
"Core-AVX-I",26.351,26.382,26.399
"Corei7-AVX",26.358,26.413,26.419
"Corei7",26.509,26.51,26.537
"Core2",26.55,26.498,26.548
"Nocona",26.668,26.692,26.625
"Himeno Benchmark 3.0 - Poisson Pressure Solver",
Higher Results Are Better
"Core-AVX2",1682.609646,1800.515227,1796.802149,1802.003744
"Core-AVX-I",1869.093875,1867.281302,1869.029223
"Corei7-AVX",1707.671779,1822.001344,1867.575191,1865.259436,1775.915845,1784.474107
"Corei7",1750.167182,1743.96541,1746.725706
"Core2",1748.243622,1748.437822,1745.016164
"Nocona",1694.984039,1695.728908,1695.089811
"GraphicsMagick 1.3.16 - Operation: Local Adaptive Thresholding",
Higher Results Are Better
"Core-AVX2",116,116,115
"Core-AVX-I",116,116,115
"Corei7-AVX",115,116,116
"Corei7",115,115,115
"Core2",115,115,115
"Nocona",114,114,113
"GraphicsMagick 1.3.16 - Operation: HWB Color Space",
Higher Results Are Better
"Core-AVX2",200,200,199
"Core-AVX-I",201,201,201
"Corei7-AVX",201,200,201
"Corei7",200,200,201
"Core2",201,200,201
"Nocona",198,198,198
"GraphicsMagick 1.3.16 - Operation: Resizing",
Higher Results Are Better
"Core-AVX2",181,181,179
"Core-AVX-I",176,176,176
"Corei7-AVX",176,176,175
"Corei7",175,175,175
"Core2",176,176,176
"Nocona",172,171,172
"GraphicsMagick 1.3.16 - Operation: Sharpen",
Higher Results Are Better
"Core-AVX2",126,126,126
"Core-AVX-I",116,116,116
"Corei7-AVX",116,116,116
"Corei7",116,116,116
"Core2",116,116,116
"Nocona",115,116,115
"GraphicsMagick 1.3.16 - Operation: Blur",
Higher Results Are Better
"Core-AVX2",149,149,149
"Core-AVX-I",149,148,149
"Corei7-AVX",149,149,149
"Corei7",149,149,149
"Core2",149,149,149
"Nocona",148,148,147
"x264 2013-06-08 - H.264 Video Encoding",
Higher Results Are Better
"Core-AVX2",162.4,162.39,163.05,162.85,164.12
"Core-AVX-I",164.96,163,163.83,163.07,163.99
"Corei7-AVX",164.89,162.95,161.3,162.69,162.47
"Corei7",161.34,163.25,161.91,162.74,164.56
"Core2",163.42,162.45,160.88,161.34,162.4
"Nocona",162.03,162.03,161.22,163.05,162.36
"TTSIOD 3D Renderer 2.2z - Phong Rendering With Soft-Shadow Mapping",
Higher Results Are Better
"Core-AVX2",135.252,133.39,133.209
"Core-AVX-I",134.016,132.633,133.433
"Corei7-AVX",133.461,132.492,132.605
"Corei7",149.885,149.871,150.462
"Core2",146.451,145.616,146.207
"Nocona",146.675,143.959,143.98
"SciMark 2.0 - Computational Test: Jacobi Successive Over-Relaxation",
Higher Results Are Better
"Core-AVX2",1143.98,1139.72,1143.98,1143.98
"Core-AVX-I",1143.98,1143.98,1143.98,1139.72
"Corei7-AVX",1139.72,1143.98,1143.98,1143.98
"Corei7",1139.72,1139.72,1143.98,1139.72
"Core2",1143.98,1139.72,1139.72,1139.72
"Nocona",1139.72,1139.72,1139.72,1143.98
"SciMark 2.0 - Computational Test: Dense LU Matrix Factorization",
Higher Results Are Better
"Core-AVX2",2785.03,2792.32,2777.78,2777.78
"Core-AVX-I",2785.03,2799.65,2792.32,2799.65
"Corei7-AVX",2785.03,2785.03,2792.32,2785.03
"Corei7",2844.44,2836.88,2844.44,2844.44
"Core2",2844.44,2852.05,2867.38,2852.05
"Nocona",2576.49,2601.63
"SciMark 2.0 - Computational Test: Sparse Matrix Multiply",
Higher Results Are Better
"Core-AVX2",2333.9,2327.27,2327.27,2340.57
"Core-AVX-I",2196.25,2196.25,2155.79,2190.37
"Corei7-AVX",2314.12,2320.68,2327.27,2327.27
"Corei7",2381.4,2395.32,2388.34,2388.34
"Core2",2374.49,2388.34,2374.49,2381.4
"Nocona",2250.55,2388.34,2381.4,2367.63
"SciMark 2.0 - Computational Test: Fast Fourier Transform",
Higher Results Are Better
"Core-AVX2",338.2,332.93,336.87,335.54
"Core-AVX-I",332.93,327.83,330.36,325.34
"Corei7-AVX",315.73,316.9,313.42,315.73
"Corei7",316.9,319.27,313.42,316.9
"Core2",318.08,320.46,319.27,320.46
"Nocona",318.08,316.9,318.08,319.27
"SciMark 2.0 - Computational Test: Monte Carlo",
Higher Results Are Better
"Core-AVX2",594.87,596.52,596.52,594.87
"Core-AVX-I",594.87,594.87,594.87,596.52
"Corei7-AVX",593.23,594.87,594.87,593.23
"Corei7",596.52,596.52,596.52,596.52
"Core2",594.87,596.52,594.87,596.52
"Nocona",699.51,697.23,697.23,699.51