From 44861dcbfeee041223c4aac1ee075e92fa4daa01 Mon Sep 17 00:00:00 2001 From: Stanislaw Halik Date: Sun, 18 Sep 2016 12:42:15 +0200 Subject: update --- eigen/bench/benchmarkX.cpp | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 eigen/bench/benchmarkX.cpp (limited to 'eigen/bench/benchmarkX.cpp') diff --git a/eigen/bench/benchmarkX.cpp b/eigen/bench/benchmarkX.cpp new file mode 100644 index 0000000..8e4b60c --- /dev/null +++ b/eigen/bench/benchmarkX.cpp @@ -0,0 +1,36 @@ +// g++ -fopenmp -I .. -O3 -DNDEBUG -finline-limit=1000 benchmarkX.cpp -o b && time ./b + +#include + +#include + +using namespace std; +using namespace Eigen; + +#ifndef MATTYPE +#define MATTYPE MatrixXLd +#endif + +#ifndef MATSIZE +#define MATSIZE 400 +#endif + +#ifndef REPEAT +#define REPEAT 100 +#endif + +int main(int argc, char *argv[]) +{ + MATTYPE I = MATTYPE::Ones(MATSIZE,MATSIZE); + MATTYPE m(MATSIZE,MATSIZE); + for(int i = 0; i < MATSIZE; i++) for(int j = 0; j < MATSIZE; j++) + { + m(i,j) = (i+j+1)/(MATSIZE*MATSIZE); + } + for(int a = 0; a < REPEAT; a++) + { + m = I + 0.0001 * (m + m*m); + } + cout << m(0,0) << endl; + return 0; +} -- cgit v1.2.3