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give up on OpenMP... for now

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This commit is contained in:
Benoit Jacob
2008-04-18 07:57:46 +00:00
parent acfd6f3bda
commit 6ae037dfb5
6 changed files with 73 additions and 134 deletions
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20
bench/benchmarkXcwise.cpp
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@@ -5,12 +5,12 @@
using namespace std;
USING_PART_OF_NAMESPACE_EIGEN
#ifndef MATTYPE
#define MATTYPE MatrixXLd
#ifndef VECTYPE
#define VECTYPE VectorXLd
#endif
#ifndef MATSIZE
#define MATSIZE 1000000
#ifndef VECSIZE
#define VECSIZE 1000000
#endif
#ifndef REPEAT
@@ -19,16 +19,16 @@ USING_PART_OF_NAMESPACE_EIGEN
int main(int argc, char *argv[])
{
MATTYPE I = MATTYPE::ones(MATSIZE,1);
MATTYPE m(MATSIZE,1);
for(int i = 0; i < MATSIZE; i++) for(int j = 0; j < 1; j++)
VECTYPE I = VECTYPE::ones(VECSIZE);
VECTYPE m(VECSIZE,1);
for(int i = 0; i < VECSIZE; i++)
{
m(i,j) = 0.1 * (i+j+1)/MATSIZE/MATSIZE;
m[i] = 0.1 * i/VECSIZE;
}
for(int a = 0; a < REPEAT; a++)
{
m = MATTYPE::ones(MATSIZE,1) + 0.00005 * (m.cwiseProduct(m) + m/4);
m = VECTYPE::ones(VECSIZE) + 0.00005 * (m.cwiseProduct(m) + m/4);
}
cout << m(0,0) << endl;
cout << m[0] << endl;
return 0;
}