-#include "loba_fairstrategy.h"
#include <algorithm>
#include <xbt/log.h>
XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(loba);
+#include "loba_fairstrategy.h"
+
/* simple version:
* load balance with a least-loaded neighbor,
* without breaking the ping-pong condition
*/
class compare {
-public :
- bool operator()(const neighbor*a, const neighbor*b) {
- return a->get_load()>b->get_load();
- }
+public:
+ bool operator()(const neighbor*a, const neighbor*b) {
+ return a->get_load() > b->get_load();
+ }
};
double loba_fairstrategy::load_balance(double my_load)
{
- int imin = -1;
- int imax = -1;
- double min = my_load;
- double max = -1.0;
-
- std::sort(pneigh.begin(),pneigh.end(),compare());
-
- //print_loads();
-
- INFO0("list voisins");
- for(unsigned i=0;i< pneigh.size() ; ++i) {
- INFO2("%s %f ", pneigh[i]->get_name(), pneigh[i]->get_load());
- }
-
- double sum_sent=0;
- bool found=true;
-
- while(found) {
- found=false;
- for (unsigned i = 0 ; i < pneigh.size() ; ++i) {
- double l = pneigh[i]->get_load();
- if (l >= my_load)
- continue;
- if(l<my_load+2) {
- found=true;
- pneigh[i]->set_load(l+1);
- pneigh[i]->add_to_send(1);
- INFO1("sent to %s",pneigh[i]->get_name());
- my_load--;
- sum_sent++;
- }
- }
- }
-
-
-
- return sum_sent;
-
+ std::sort(pneigh.begin(), pneigh.end(), compare());
+
+ print_loads_p();
+
+ double sum_sent = 0;
+ bool found = true;
+
+ while (found) {
+ found = false;
+ for (unsigned i = 0 ; i < pneigh.size() ; ++i) {
+ double l = pneigh[i]->get_load();
+ if (l >= my_load)
+ continue;
+ if (l < my_load + 2) {
+ found = true;
+ pneigh[i]->add_load(1);
+ pneigh[i]->add_to_send(1);
+ INFO1("sent to %s", pneigh[i]->get_name());
+ my_load--;
+ sum_sent++;
+ }
+ }
+ }
+
+ return sum_sent;
}
// Local variables:
