devtools/eigen
1
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2026-04-10 11:34:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

Merge Gael's experimental OpenMP parallelization support into Assign.h.

Browse Source
This commit is contained in:
Benoit Jacob
2008-04-11 08:18:47 +00:00
parent 187b1543ce
commit 7bee90a62a
5 changed files with 131 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
bench/benchmarkX.cpp
View File

@@ -5,18 +5,30 @@
using namespace std;
USING_PART_OF_NAMESPACE_EIGEN
#ifndef MATTYPE
#define MATTYPE MatrixXd
#endif
#ifndef MATSIZE
#define MATSIZE 20
#endif
#ifndef REPEAT
#define REPEAT 100000
#endif
int main(int argc, char *argv[])
{
MatrixXd I = MatrixXd::identity(20,20);
MatrixXd m(20,20);
for(int i = 0; i < 20; i++) for(int j = 0; j < 20; j++)
MATTYPE I = MATTYPE::identity(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+20*j);
m(i,j) = 0.1 * (i+MATSIZE*j)/MATSIZE;
}
for(int a = 0; a < 100000; a++)
for(int a = 0; a < REPEAT; a++)
{
m = I + 0.00005 * (m + m*m);
}
cout << m << endl;
cout << m(0,0) << endl;
return 0;
}