// Try to late join to another split point if none of its slaves has
// already finished.
SplitPoint* bestSp = NULL;
- int bestScore = INT_MAX;
+ int minLevel = INT_MAX;
for (size_t i = 0; i < Threads.size(); ++i)
{
// Prefer to join to SP with few parents to reduce the probability
// that a cut-off occurs above us, and hence we waste our work.
- int level = -1;
- for (SplitPoint* spp = Threads[i]->activeSplitPoint; spp; spp = spp->parentSplitPoint)
+ int level = 0;
+ for (SplitPoint* p = Threads[i]->activeSplitPoint; p; p = p->parentSplitPoint)
level++;
- int score = level * 256 * 256 + (int)sp->slavesMask.count() * 256 - sp->depth * 1;
-
- if (score < bestScore)
+ if (level < minLevel)
{
bestSp = sp;
- bestScore = score;
+ minLevel = level;
}
}
}