public void sumoverthreadsandmpi()
{
for (int ThreadNo = 0; ThreadNo < NumberofThreads; ThreadNo++)
{
if (IndexValue[ThreadNo] < 0)
{
continue;
}
TotalNumberofPoints += NumberofPoints[ThreadNo];
if (MinMaxPointer != 0)
{
if ((TotalIndexValue >= 0) && (TotalMaxOrMin > MaxOrMinvalue[ThreadNo]))
{
continue;
}
}
else
{
if ((TotalIndexValue >= 0) && (TotalMaxOrMin <= MaxOrMinvalue[ThreadNo]))
{
continue;
}
}
TotalMaxOrMin = MaxOrMinvalue[ThreadNo];
TotalIndexValue = IndexValue[ThreadNo];
}
if (DAVectorUtility.MPI_Size > 1)
{
DAVectorUtility.StartSubTimer(DAVectorUtility.MPIREDUCETiming1);
if (MinMaxPointer != 0)
{
DAVectorUtility.AllReduceMaxWithIndex(ref TotalMaxOrMin, ref TotalIndexValue);
}
else
{
DAVectorUtility.AllReduceMinWithIndex(ref TotalMaxOrMin, ref TotalIndexValue);
}
TotalNumberofPoints = DAVectorUtility.MPI_communicator.Allreduce <double>(TotalNumberofPoints, Operation <double> .Add);
DAVectorUtility.StopSubTimer(DAVectorUtility.MPIREDUCETiming1);
}
return;
}
public void sumoverthreadsandmpi()
{
for (int storeloop = 0; storeloop < Numbertofind; storeloop++)
{
TotalMinValue[storeloop] = -1.0;
TotalIndexValue[storeloop] = -1;
}
TotalWorst = -1;
for (int ThreadNo = 0; ThreadNo < NumberofThreads; ThreadNo++)
{
for (int storeloop = 0; storeloop < Numbertofind; storeloop++)
{
if (IndexValuebythread[ThreadNo][storeloop] < 0)
{
continue; // End this thread
}
FindMinimumSet(MinValuebythread[ThreadNo][storeloop], IndexValuebythread[ThreadNo][storeloop], ref TotalWorst, TotalMinValue, TotalIndexValue, Numbertofind);
}
}
if (DAVectorUtility.MPI_Size > 1)
{
DAVectorUtility.StartSubTimer(DAVectorUtility.MPIREDUCETiming1);
TotalNumberofPoints = DAVectorUtility.MPI_communicator.Allreduce <double>(TotalNumberofPoints, Operation <double> .Add);
DAVectorUtility.StopSubTimer(DAVectorUtility.MPIREDUCETiming1);
}
// Sort in absolute order and accumulate over processes. This takes Numbertofindsteps
for (int OrderLoop = 0; OrderLoop < Numbertofind; OrderLoop++)
{
int localindex = -1; // unset
double localvalue = -1.0;
int loopused = -1;
for (int internalloop = 0; internalloop < Numbertofind; internalloop++)
{ // Find minimum
if (TotalIndexValue[internalloop] < 0)
{
continue;
}
if ((localindex < 0) || (TotalMinValue[internalloop] < localvalue))
{
localindex = TotalIndexValue[internalloop];
localvalue = TotalMinValue[internalloop];
loopused = internalloop;
}
}
int oldlocalindex = localindex;
if (DAVectorUtility.MPI_Size > 1)
{
DAVectorUtility.StartSubTimer(DAVectorUtility.MPIREDUCETiming1);
DAVectorUtility.AllReduceMinWithIndex(ref localvalue, ref localindex);
DAVectorUtility.StopSubTimer(DAVectorUtility.MPIREDUCETiming1);
}
OrderedMinValue[OrderLoop] = localvalue;
OrderedIndexValue[OrderLoop] = localindex;
if ((oldlocalindex >= 0) && (OrderedIndexValue[OrderLoop] == oldlocalindex))
{
TotalIndexValue[loopused] = -1;
TotalMinValue[loopused] = -1.0;
}
} // Loop over Order Loop
return;
}
