1*bf2c3715SXin Li 2*bf2c3715SXin LiThis folder contains a couple of benchmark utities and Eigen benchmarks. 3*bf2c3715SXin Li 4*bf2c3715SXin Li**************************** 5*bf2c3715SXin Li* bench_multi_compilers.sh * 6*bf2c3715SXin Li**************************** 7*bf2c3715SXin Li 8*bf2c3715SXin LiThis script allows to run a benchmark on a set of different compilers/compiler options. 9*bf2c3715SXin LiIt takes two arguments: 10*bf2c3715SXin Li - a file defining the list of the compilers with their options 11*bf2c3715SXin Li - the .cpp file of the benchmark 12*bf2c3715SXin Li 13*bf2c3715SXin LiExamples: 14*bf2c3715SXin Li 15*bf2c3715SXin Li$ ./bench_multi_compilers.sh basicbench.cxxlist basicbenchmark.cpp 16*bf2c3715SXin Li 17*bf2c3715SXin Li g++-4.1 -O3 -DNDEBUG -finline-limit=10000 18*bf2c3715SXin Li 3d-3x3 / 4d-4x4 / Xd-4x4 / Xd-20x20 / 19*bf2c3715SXin Li 0.271102 0.131416 0.422322 0.198633 20*bf2c3715SXin Li 0.201658 0.102436 0.397566 0.207282 21*bf2c3715SXin Li 22*bf2c3715SXin Li g++-4.2 -O3 -DNDEBUG -finline-limit=10000 23*bf2c3715SXin Li 3d-3x3 / 4d-4x4 / Xd-4x4 / Xd-20x20 / 24*bf2c3715SXin Li 0.107805 0.0890579 0.30265 0.161843 25*bf2c3715SXin Li 0.127157 0.0712581 0.278341 0.191029 26*bf2c3715SXin Li 27*bf2c3715SXin Li g++-4.3 -O3 -DNDEBUG -finline-limit=10000 28*bf2c3715SXin Li 3d-3x3 / 4d-4x4 / Xd-4x4 / Xd-20x20 / 29*bf2c3715SXin Li 0.134318 0.105291 0.3704 0.180966 30*bf2c3715SXin Li 0.137703 0.0732472 0.31225 0.202204 31*bf2c3715SXin Li 32*bf2c3715SXin Li icpc -fast -DNDEBUG -fno-exceptions -no-inline-max-size 33*bf2c3715SXin Li 3d-3x3 / 4d-4x4 / Xd-4x4 / Xd-20x20 / 34*bf2c3715SXin Li 0.226145 0.0941319 0.371873 0.159433 35*bf2c3715SXin Li 0.109302 0.0837538 0.328102 0.173891 36*bf2c3715SXin Li 37*bf2c3715SXin Li 38*bf2c3715SXin Li$ ./bench_multi_compilers.sh ompbench.cxxlist ompbenchmark.cpp 39*bf2c3715SXin Li 40*bf2c3715SXin Li g++-4.2 -O3 -DNDEBUG -finline-limit=10000 -fopenmp 41*bf2c3715SXin Li double, fixed-size 4x4: 0.00165105s 0.0778739s 42*bf2c3715SXin Li double, 32x32: 0.0654769s 0.075289s => x0.869674 (2) 43*bf2c3715SXin Li double, 128x128: 0.054148s 0.0419669s => x1.29025 (2) 44*bf2c3715SXin Li double, 512x512: 0.913799s 0.428533s => x2.13239 (2) 45*bf2c3715SXin Li double, 1024x1024: 14.5972s 9.3542s => x1.5605 (2) 46*bf2c3715SXin Li 47*bf2c3715SXin Li icpc -fast -DNDEBUG -fno-exceptions -no-inline-max-size -openmp 48*bf2c3715SXin Li double, fixed-size 4x4: 0.000589848s 0.019949s 49*bf2c3715SXin Li double, 32x32: 0.0682781s 0.0449722s => x1.51823 (2) 50*bf2c3715SXin Li double, 128x128: 0.0547509s 0.0435519s => x1.25714 (2) 51*bf2c3715SXin Li double, 512x512: 0.829436s 0.424438s => x1.9542 (2) 52*bf2c3715SXin Li double, 1024x1024: 14.5243s 10.7735s => x1.34815 (2) 53*bf2c3715SXin Li 54*bf2c3715SXin Li 55*bf2c3715SXin Li 56