parallel getminmax

This commit is contained in:
Joachim Schoeberl 2013-07-10 07:07:29 +00:00
parent c68278cd67
commit 7aa13b2cdd

View File

@ -12,7 +12,7 @@
// #include <parallel.hpp>
#include <visual.hpp>
#include <limits>
namespace netgen
{
@ -2409,19 +2409,32 @@ namespace netgen
NgProfiler::RegionTimer reg1 (timer1);
int ne = mesh->GetNE();
#pragma omp parallel for
double hmax = -numeric_limits<double>::max();
double hmin = numeric_limits<double>::max();
#pragma omp parallel for reduction (max : hmax) reduction (min : hmin)
for (int i = 0; i < ne; i++)
{
bool considerElem = GetValue (sol, i, 0.333, 0.333, 0.333, comp, val);
#pragma omp critical(getminmaxvol)
if (considerElem)
{
/*
#pragma omp critical(getminmaxvol)
{
if (val > maxv || !hasit) maxv = val;
if (val < minv || !hasit) minv = val;
hasit = true;
}
*/
if (val > hmax) hmax = val;
if (val < hmin) hmin = val;
}
}
maxv = hmax;
minv = hmin;
// cout << "maxv = " << maxv << " =?= " << hmax << endl;
}
if (sol->draw_surface)
{
NgProfiler::RegionTimer reg2 (timer2);
@ -2436,8 +2449,8 @@ namespace netgen
if (considerElem)
{
if (val > maxv || !hasit) maxv = val;
if (val < minv || !hasit) minv = val;
if (val > maxv) maxv = val;
if (val < minv) minv = val;
hasit = true;
}
}