diff options
author | Gael Guennebaud <g.gael@free.fr> | 2008-03-09 16:13:47 +0000 |
---|---|---|
committer | Gael Guennebaud <g.gael@free.fr> | 2008-03-09 16:13:47 +0000 |
commit | 9d9d81ad71a52c33ba4db9f8a6059d435d279316 (patch) | |
tree | d12a85ca594af99b04ce32f652ae67bf0baf228b /bench/benchmark.cpp | |
parent | f64311e07de95694187e5d6d5d2e3cd118302076 (diff) |
* basic support for multicore CPU via a .evalOMP() which
internaly uses OpenMP if enabled at compile time.
* added a bench/ folder with a couple benchmarks and benchmark tools.
Diffstat (limited to 'bench/benchmark.cpp')
-rw-r--r-- | bench/benchmark.cpp | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/bench/benchmark.cpp b/bench/benchmark.cpp new file mode 100644 index 000000000..0d95a5043 --- /dev/null +++ b/bench/benchmark.cpp @@ -0,0 +1,31 @@ +// g++ -O3 -DNDEBUG -DMATSIZE=<x> benchmark.cpp -o benchmark && time ./benchmark +#include <cstdlib> +#include <cmath> +#include <Eigen/Core> + +#ifndef MATSIZE +#define MATSIZE 3 +#endif + +using namespace std; +USING_PART_OF_NAMESPACE_EIGEN + +int main(int argc, char *argv[]) +{ + Matrix<double,MATSIZE,MATSIZE> I; + Matrix<double,MATSIZE,MATSIZE> m; + for(int i = 0; i < MATSIZE; i++) + for(int j = 0; j < MATSIZE; j++) + { + I(i,j) = (i==j); + m(i,j) = (i+MATSIZE*j); + } + asm("#begin"); + for(int a = 0; a < 40000000; a++) + { + m = I + 0.00005 * (m + m*m); + } + asm("#end"); + cout << m << endl; + return 0; +} |