From dcebc46cdcd29fa65449c6d3215f30a28ec0a8c8 Mon Sep 17 00:00:00 2001 From: Benoit Jacob Date: Fri, 11 Apr 2008 14:28:42 +0000 Subject: - cleaner use of OpenMP (no code duplication anymore) using a macro and _Pragma. - use OpenMP also in cacheOptimalProduct and in the vectorized paths as well - kill the vector assignment unroller. implement in operator= the logic for assigning a row-vector in a col-vector. - CMakeLists support for building tests/examples with -fopenmp and/or -msse2 - updates in bench/, especially replace identity() by ones() which prevents underflows from perturbing bench results. --- bench/benchmarkXcwise.cpp | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 bench/benchmarkXcwise.cpp (limited to 'bench/benchmarkXcwise.cpp') diff --git a/bench/benchmarkXcwise.cpp b/bench/benchmarkXcwise.cpp new file mode 100644 index 000000000..dd29743cd --- /dev/null +++ b/bench/benchmarkXcwise.cpp @@ -0,0 +1,34 @@ +// g++ -O3 -DNDEBUG benchmarkX.cpp -o benchmarkX && time ./benchmarkX + +#include + +using namespace std; +USING_PART_OF_NAMESPACE_EIGEN + +#ifndef MATTYPE +#define MATTYPE MatrixXLd +#endif + +#ifndef MATSIZE +#define MATSIZE 400 +#endif + +#ifndef REPEAT +#define REPEAT 10000 +#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) = 0.1 * (i+j+1)/(MATSIZE*MATSIZE); + } + for(int a = 0; a < REPEAT; a++) + { + m = I + 0.00005 * (m + m/4); + } + cout << m(0,0) << endl; + return 0; +} -- cgit v1.2.3