9d9d81ad71
internaly uses OpenMP if enabled at compile time. * added a bench/ folder with a couple benchmarks and benchmark tools.
23 lines
435 B
C++
23 lines
435 B
C++
// g++ -O3 -DNDEBUG benchmarkX.cpp -o benchmarkX && time ./benchmarkX
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#include <Eigen/Core>
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using namespace std;
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USING_PART_OF_NAMESPACE_EIGEN
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int main(int argc, char *argv[])
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{
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MatrixXd I = MatrixXd::identity(20,20);
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MatrixXd m(20,20);
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for(int i = 0; i < 20; i++) for(int j = 0; j < 20; j++)
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{
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m(i,j) = 0.1 * (i+20*j);
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}
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for(int a = 0; a < 100000; a++)
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{
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m = I + 0.00005 * (m + m*m);
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}
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cout << m << endl;
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return 0;
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}
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