Epetra_MpiSmpComm.cpp

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//               Epetra: Linear Algebra Services Package
//                 Copyright 2011 Sandia Corporation
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#include "Epetra_MpiSmpComm.h"
#include "Epetra_MpiComm.h"
 
 
//=============================================================================
Epetra_MpiSmpComm::Epetra_MpiSmpComm(MPI_Comm Comm)
  : Epetra_Object("Epetra::MpiSmpComm"),
    MpiSmpCommData_(Comm)
{}
//=============================================================================
Epetra_MpiSmpComm::Epetra_MpiSmpComm(const Epetra_MpiSmpComm& Comm) :
  Epetra_Object(Comm.Label()),
  MpiSmpCommData_(Comm.MpiSmpCommData_)
{
  MpiSmpCommData_->IncrementReferenceCount();
}
 
//=============================================================================
void Epetra_MpiSmpComm::Barrier() const {
  MPI_Barrier(MpiSmpCommData->Comm_);
}
//=============================================================================
int Epetra_MpiSmpComm::Broadcast(double * Values, int Count, int Root) const {
  EPETRA_CHK_ERR(MPI_Bcast(Values, Count, MPI_DOUBLE, Root, MpiSmpCommData->Comm_));
  return(0);
}
//=============================================================================
int Epetra_MpiSmpComm::Broadcast(int * Values, int Count, int Root) const {
  EPETRA_CHK_ERR(MPI_Bcast(Values, Count, MPI_INT, Root, MpiSmpCommData->Comm_));
  return(0);
}
//=============================================================================
int Epetra_MpiSmpComm::Broadcast(long * Values, int Count, int Root) const {
  EPETRA_CHK_ERR(MPI_Bcast(Values, Count, MPI_LONG, Root, MpiSmpCommData->Comm_));
  return(0);
}
//=============================================================================
int Epetra_MpiSmpComm::Broadcast(char * Values, int Count, int Root) const {
  EPETRA_CHK_ERR(MPI_Bcast(Values, Count, MPI_CHAR, Root, MpiSmpCommData->Comm_));
  return(0);
}
//=============================================================================
int Epetra_MpiSmpComm::GatherAll(double * MyVals, double * AllVals, int Count) const {
  EPETRA_CHK_ERR(MPI_Allgather(MyVals, Count, MPI_DOUBLE, AllVals, Count, MPI_DOUBLE, MpiSmpCommData->Comm_));
  return(0);
}
//=============================================================================
int Epetra_MpiSmpComm::GatherAll(int * MyVals, int * AllVals, int Count) const {
  EPETRA_CHK_ERR(MPI_Allgather(MyVals, Count, MPI_INT, AllVals, Count, MPI_INT, MpiSmpCommData->Comm_));
  return(0);
}
//=============================================================================
int Epetra_MpiSmpComm::GatherAll(long * MyVals, long * AllVals, int Count) const {
  EPETRA_CHK_ERR(MPI_Allgather(MyVals, Count, MPI_LONG, AllVals, Count, MPI_LONG, MpiSmpCommData->Comm_));
  return(0);
}
//=============================================================================
int Epetra_MpiSmpComm::SumAll(double * PartialSums, double * GlobalSums, int Count) const {
  EPETRA_CHK_ERR(MPI_Allreduce(PartialSums, GlobalSums, Count, MPI_DOUBLE, MPI_SUM, MpiSmpCommData->Comm_));
  return(0);
}
//=============================================================================
int Epetra_MpiSmpComm::SumAll(int * PartialSums, int * GlobalSums, int Count) const {
  EPETRA_CHK_ERR(MPI_Allreduce(PartialSums, GlobalSums, Count, MPI_INT, MPI_SUM, MpiSmpCommData->Comm_));
  return(0);
}
//=============================================================================
int Epetra_MpiSmpComm::SumAll(long * PartialSums, long * GlobalSums, int Count) const {
  EPETRA_CHK_ERR(MPI_Allreduce(PartialSums, GlobalSums, Count, MPI_LONG, MPI_SUM, MpiSmpCommData->Comm_));
  return(0);
}
//=============================================================================
int Epetra_MpiSmpComm::MaxAll(double * PartialMaxs, double * GlobalMaxs, int Count) const {
  EPETRA_CHK_ERR(MPI_Allreduce(PartialMaxs, GlobalMaxs, Count, MPI_DOUBLE, MPI_MAX, MpiSmpCommData->Comm_));
  return(0);
}
//=============================================================================
int Epetra_MpiSmpComm::MaxAll(int * PartialMaxs, int * GlobalMaxs, int Count) const {
  EPETRA_CHK_ERR(MPI_Allreduce(PartialMaxs, GlobalMaxs, Count, MPI_INT, MPI_MAX, MpiSmpCommData->Comm_));
  return(0);
}
//=============================================================================
int Epetra_MpiSmpComm::MaxAll(long * PartialMaxs, long * GlobalMaxs, int Count) const {
  EPETRA_CHK_ERR(MPI_Allreduce(PartialMaxs, GlobalMaxs, Count, MPI_LONG, MPI_MAX, MpiSmpCommData->Comm_));
  return(0);
}
//=============================================================================
int Epetra_MpiSmpComm::MinAll(double * PartialMins, double * GlobalMins, int Count) const {
  EPETRA_CHK_ERR(MPI_Allreduce(PartialMins, GlobalMins, Count, MPI_DOUBLE, MPI_MIN, MpiSmpCommData->Comm_));
  return(0);
}
//=============================================================================
int Epetra_MpiSmpComm::MinAll(int * PartialMins, int * GlobalMins, int Count) const {
  EPETRA_CHK_ERR(MPI_Allreduce(PartialMins, GlobalMins, Count, MPI_INT, MPI_MIN, MpiSmpCommData->Comm_));
  return(0);
}
//=============================================================================
int Epetra_MpiSmpComm::MinAll(long * PartialMins, long * GlobalMins, int Count) const {
  EPETRA_CHK_ERR(MPI_Allreduce(PartialMins, GlobalMins, Count, MPI_LONG, MPI_MIN, MpiSmpCommData->Comm_));
  return(0);
}
//=============================================================================
int Epetra_MpiSmpComm::ScanSum(double * MyVals, double * ScanSums, int Count) const {
  EPETRA_CHK_ERR(MPI_Scan(MyVals, ScanSums, Count, MPI_DOUBLE, MPI_SUM, MpiSmpCommData->Comm_));
  return(0);
}
//=============================================================================
int Epetra_MpiSmpComm::ScanSum(int * MyVals, int * ScanSums, int Count) const {
  EPETRA_CHK_ERR(MPI_Scan(MyVals, ScanSums, Count, MPI_INT, MPI_SUM, MpiSmpCommData->Comm_));
  return(0);
}
//=============================================================================
int Epetra_MpiSmpComm::ScanSum(long * MyVals, long * ScanSums, int Count) const {
  EPETRA_CHK_ERR(MPI_Scan(MyVals, ScanSums, Count, MPI_LONG, MPI_SUM, MpiSmpCommData->Comm_));
  return(0);
}
//=============================================================================
Epetra_Distributor * Epetra_MpiSmpComm:: CreateDistributor() const {
 
  Epetra_MpiComm mpicomm(GetMpiComm());
  Epetra_Distributor * dist = dynamic_cast<Epetra_Distributor *>(new Epetra_MpiDistributor(mpicomm));
  return(dist);
}
//=============================================================================
Epetra_Directory * Epetra_SmpMpiComm:: CreateDirectory(const Epetra_BlockMap & map) const {
 
  Epetra_Directory * dir = dynamic_cast<Epetra_Directory *>(new Epetra_BasicDirectory(map));
  return(dir);
}
//=============================================================================
Epetra_MpiSmpComm::~Epetra_MpiSmpComm() {
  CleanupData();
}
//=============================================================================
void Epetra_MpiSmpComm::CleanupData() {
  if(MpiSmpCommData_ != 0) {
    MpiSmpCommData_->DecrementReferenceCount();
    if(MpiSmpCommData_->ReferenceCount() == 0) {
      delete MpiSmpCommData_;
      MpiSmpCommData_ = 0;
    }
  }
}
//=============================================================================
Epetra_MpiSmpComm& Epetra_MpiSmpComm::operator= (const Epetra_MpiSmpComm & Comm) {
  if((this != &Comm) && (MpiSmpCommData_ != Comm.MpiSmpCommData_)) {
    CleanupData();
    MpiSmpCommData_ = Comm.MpiSmpCommData_;
    MpiSmpCommData_->IncrementReferenceCount();
  }
  return(*this);
}