diff --git a/src/OpenFOAM/db/IOstreams/Pstreams/UPstream.C b/src/OpenFOAM/db/IOstreams/Pstreams/UPstream.C
index 81562f6998..c840c89e1a 100644
--- a/src/OpenFOAM/db/IOstreams/Pstreams/UPstream.C
+++ b/src/OpenFOAM/db/IOstreams/Pstreams/UPstream.C
@@ -257,10 +257,13 @@ Foam::label Foam::UPstream::allocateCommunicator
         treeCommunication_.append(List<commsStruct>(0));
     }
 
-    Pout<< "Communicators : Allocating communicator " << index << endl
-        << "    parent : " << parentIndex << endl
-        << "    procs  : " << subRanks << endl
-        << endl;
+    if (debug)
+    {
+        Pout<< "Communicators : Allocating communicator " << index << endl
+            << "    parent : " << parentIndex << endl
+            << "    procs  : " << subRanks << endl
+            << endl;
+    }
 
     // Initialise; overwritten by allocatePstreamCommunicator
     myProcNo_[index] = 0;
@@ -305,10 +308,13 @@ void Foam::UPstream::freeCommunicator
     const bool doPstream
 )
 {
-    Pout<< "Communicators : Freeing communicator " << communicator << endl
-        << "    parent   : " << parentCommunicator_[communicator] << endl
-        << "    myProcNo : " << myProcNo_[communicator] << endl
-        << endl;
+    if (debug)
+    {
+        Pout<< "Communicators : Freeing communicator " << communicator << endl
+            << "    parent   : " << parentCommunicator_[communicator] << endl
+            << "    myProcNo : " << myProcNo_[communicator] << endl
+            << endl;
+    }
 
     if (doPstream && parRun())
     {
@@ -326,9 +332,6 @@ void Foam::UPstream::freeCommunicator
 
 void Foam::UPstream::freeCommunicators(const bool doPstream)
 {
-    Pout<< "Communicators : Freeing all communicators" << endl
-        << endl;
-
     forAll(myProcNo_, communicator)
     {
         if (myProcNo_[communicator] != -1)
diff --git a/src/OpenFOAM/db/IOstreams/Pstreams/UPstream.H b/src/OpenFOAM/db/IOstreams/Pstreams/UPstream.H
index f23ee07bfc..dc4d142c26 100644
--- a/src/OpenFOAM/db/IOstreams/Pstreams/UPstream.H
+++ b/src/OpenFOAM/db/IOstreams/Pstreams/UPstream.H
@@ -384,12 +384,6 @@ public:
 
             static void freeTag(const word&, const int tag);
 
-//            //- Return (index of) request to use in calls to nonblocking ops
-//            static label allocateRequest(const word&);
-//
-//            //- Free (index of) request
-//            static void freeRequest(const word&, const label request);
-
 
         //- Is this a parallel run?
         static bool& parRun()
@@ -426,13 +420,6 @@ public:
             return parentCommunicator_(communicator);
         }
 
-//        //- Process IDs
-//        static const List<int>& procIDs()
-//        {
-//            return procIDs_;
-//        }
-
-
         //- Process ID of given process index
         static List<int>& procID(int communicator)
         {
diff --git a/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGSolver.C b/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGSolver.C
index 2fb1cbe39b..c47c0aeee6 100644
--- a/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGSolver.C
+++ b/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGSolver.C
@@ -91,19 +91,12 @@ Foam::GAMGSolver::GAMGSolver
         {
             if (agglomeration_.hasMeshLevel(fineLevelIndex))
             {
-                Pout<< "Level:" << fineLevelIndex
-                    << " agglomerating matrix." << endl;
-
                 if
                 (
                     (fineLevelIndex+1) < agglomeration_.size()
-                 //&& agglomeration_.procBoundaryMap_.set(fineLevelIndex+1)
                  && agglomeration_.hasProcMesh(fineLevelIndex+1)
                 )
                 {
-                    Pout<< "Level:" << fineLevelIndex
-                        << " agglomerating onto dummy coarse mesh." << endl;
-
                     // Construct matrix without referencing the coarse mesh so
                     // construct a dummy mesh instead. This will get overwritten
                     // by the call to procAgglomerateMatrix so is only to get
@@ -174,36 +167,21 @@ Foam::GAMGSolver::GAMGSolver
                     const List<int>& procIDs =
                         agglomeration_.agglomProcIDs(fineLevelIndex+1);
 
-                    Pout<< "Level:" << fineLevelIndex
-                        << " agglomerating onto procIDs:" << procIDs << endl;
-
                     procAgglomerateMatrix
                     (
                         procAgglomMap,
                         procIDs,
                         fineLevelIndex
                     );
-
-                    Pout<< "Level:" << fineLevelIndex
-                        << " DONE agglomerating onto procIDs:" << procIDs
-                        << endl;
                 }
                 else
                 {
-                    Pout<< "Level:" << fineLevelIndex
-                        << " agglomerating onto coarse mesh at level "
-                        << fineLevelIndex + 1 << endl;
-
                     agglomerateMatrix
                     (
                         fineLevelIndex,
                         agglomeration_.meshLevel(fineLevelIndex + 1),
                         agglomeration_.interfaceLevel(fineLevelIndex + 1)
                     );
-                    Pout<< "Level:" << fineLevelIndex
-                        << " DONE agglomerating onto coarse mesh at level "
-                        << fineLevelIndex + 1 << endl;
-
                 }
             }
             else
@@ -273,9 +251,6 @@ Foam::GAMGSolver::GAMGSolver
         {
             const label coarsestLevel = matrixLevels_.size() - 1;
 
-            Pout<< "GAMGSolver :"
-                << " coarsestLevel:" << coarsestLevel << endl;
-
             if (matrixLevels_.set(coarsestLevel))
             {
                 const lduMesh& coarsestMesh =
@@ -285,9 +260,6 @@ Foam::GAMGSolver::GAMGSolver
                 label oldWarn = UPstream::warnComm;
                 UPstream::warnComm = coarseComm;
 
-                Pout<< "Solve direct on coasestmesh (level=" << coarsestLevel
-                    << ") using communicator " << coarseComm << endl;
-
                 coarsestLUMatrixPtr_.set
                 (
                     new LUscalarMatrix
@@ -301,119 +273,6 @@ Foam::GAMGSolver::GAMGSolver
                 UPstream::warnComm = oldWarn;
             }
         }
-        //else if (agglomeration_.processorAgglomerate())
-        //{
-            //// Pick a level to processor agglomerate
-            //label agglomLevel = matrixLevels_.size() - 1;//1;
-            //
-            //
-            //// Get mesh and matrix at this level
-            //const lduMatrix& levelMatrix = matrixLevels_[agglomLevel];
-            //const lduMesh& levelMesh = levelMatrix.mesh();
-            //
-            //
-            //label levelComm = levelMesh.comm();
-            //label oldWarn = UPstream::warnComm;
-            //UPstream::warnComm = levelComm;
-            //
-            //Pout<< "Solve generic on mesh (level=" << agglomLevel
-            //    << ") using communicator " << levelComm << endl;
-            //
-            //// Processor restriction map: per processor the coarse processor
-            //labelList procAgglomMap(UPstream::nProcs(levelComm));
-            //// Master processor
-            //labelList masterProcs;
-            //// Local processors that agglomerate. agglomProcIDs[0] is in
-            //// masterProc.
-            //List<int> agglomProcIDs;
-            //
-            //{
-            //    procAgglomMap[0] = 0;
-            //    procAgglomMap[1] = 0;
-            //    procAgglomMap[2] = 1;
-            //    procAgglomMap[3] = 1;
-            //
-            //    // Determine the master processors
-            //    Map<label> agglomToMaster(procAgglomMap.size());
-            //
-            //    forAll(procAgglomMap, procI)
-            //    {
-            //        label coarseI = procAgglomMap[procI];
-            //
-            //        Map<label>::iterator fnd = agglomToMaster.find(coarseI);
-            //        if (fnd == agglomToMaster.end())
-            //        {
-            //            agglomToMaster.insert(coarseI, procI);
-            //        }
-            //        else
-            //        {
-            //            fnd() = max(fnd(), procI);
-            //        }
-            //    }
-            //
-            //    masterProcs.setSize(agglomToMaster.size());
-            //    forAllConstIter(Map<label>, agglomToMaster, iter)
-            //    {
-            //        masterProcs[iter.key()] = iter();
-            //    }
-            //
-            //
-            //    // Collect all the processors in my agglomeration
-            //    label myProcID = Pstream::myProcNo(levelComm);
-            //    label myAgglom = procAgglomMap[myProcID];
-            //
-            //    // Get all processors agglomerating to the same coarse
-            //    // processor
-            //    agglomProcIDs = findIndices(procAgglomMap, myAgglom);
-            //    // Make sure the master is the first element.
-            //    label index = findIndex
-            //    (
-            //        agglomProcIDs,
-            //        agglomToMaster[myAgglom]
-            //    );
-            //    Swap(agglomProcIDs[0], agglomProcIDs[index]);
-            //}
-            //
-            //
-            //Pout<< "procAgglomMap:" << procAgglomMap << endl;
-            //Pout<< "agglomProcIDs:" << agglomProcIDs << endl;
-            //
-            //// Allocate a communicator for the processor-agglomerated matrix
-            //label procAgglomComm = UPstream::allocateCommunicator
-            //(
-            //    levelComm,
-            //    masterProcs
-            //);
-            //Pout<< "** Allocated communicator " << procAgglomComm
-            //    << " for indices " << masterProcs
-            //    << " in processor list " << UPstream::procID(levelComm)
-            //    << endl;
-            //
-            //
-            //
-            //// Gather matrix and mesh onto agglomProcIDs[0]
-            //// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-            //
-            //procAgglomerateMatrix
-            //(
-            //    // Agglomeration information
-            //    procAgglomMap,
-            //    agglomProcIDs,
-            //    procAgglomComm,
-            //
-            //    agglomLevel,  // level (coarse, not fine level!)
-            //
-            //    // Resulting matrix
-            //    allMatrixPtr_,
-            //    allInterfaceBouCoeffs_,
-            //    allInterfaceIntCoeffs_,
-            //    allPrimitiveInterfaces_,
-            //    allInterfaces_
-            //);
-            //
-            //
-            //UPstream::warnComm = oldWarn;
-        //}
     }
     else
     {
@@ -441,20 +300,6 @@ Foam::GAMGSolver::GAMGSolver
 
 Foam::GAMGSolver::~GAMGSolver()
 {
-//    // Clear the the lists of pointers to the interfaces
-//    forAll(interfaceLevels_, leveli)
-//    {
-//        lduInterfaceFieldPtrsList& curLevel = interfaceLevels_[leveli];
-//
-//        forAll(curLevel, i)
-//        {
-//            if (curLevel.set(i))
-//            {
-//                delete curLevel(i);
-//            }
-//        }
-//    }
-
     if (!cacheAgglomeration_)
     {
         delete &agglomeration_;
@@ -489,19 +334,22 @@ void Foam::GAMGSolver::readControls()
     controlDict_.readIfPresent("scaleCorrection", scaleCorrection_);
     controlDict_.readIfPresent("directSolveCoarsest", directSolveCoarsest_);
 
-    Pout<< "GAMGSolver settings :"
-        << " cacheAgglomeration:" << cacheAgglomeration_
-        << " nPreSweeps:" << nPreSweeps_
-        << " preSweepsLevelMultiplier:" << preSweepsLevelMultiplier_
-        << " maxPreSweeps:" << maxPreSweeps_
-        << " nPostSweeps:" << nPostSweeps_
-        << " postSweepsLevelMultiplier:" << postSweepsLevelMultiplier_
-        << " maxPostSweeps:" << maxPostSweeps_
-        << " nFinestSweeps:" << nFinestSweeps_
-        << " interpolateCorrection:" << interpolateCorrection_
-        << " scaleCorrection:" << scaleCorrection_
-        << " directSolveCoarsest:" << directSolveCoarsest_
-        << endl;
+    if (debug)
+    {
+        Pout<< "GAMGSolver settings :"
+            << " cacheAgglomeration:" << cacheAgglomeration_
+            << " nPreSweeps:" << nPreSweeps_
+            << " preSweepsLevelMultiplier:" << preSweepsLevelMultiplier_
+            << " maxPreSweeps:" << maxPreSweeps_
+            << " nPostSweeps:" << nPostSweeps_
+            << " postSweepsLevelMultiplier:" << postSweepsLevelMultiplier_
+            << " maxPostSweeps:" << maxPostSweeps_
+            << " nFinestSweeps:" << nFinestSweeps_
+            << " interpolateCorrection:" << interpolateCorrection_
+            << " scaleCorrection:" << scaleCorrection_
+            << " directSolveCoarsest:" << directSolveCoarsest_
+            << endl;
+    }
 }
 
 
diff --git a/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGSolverAgglomerateMatrix.C b/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGSolverAgglomerateMatrix.C
index 9f40158872..dc3cad1051 100644
--- a/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGSolverAgglomerateMatrix.C
+++ b/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGSolverAgglomerateMatrix.C
@@ -45,14 +45,6 @@ void Foam::GAMGSolver::agglomerateMatrix
         const label nCoarseFaces = agglomeration_.nFaces(fineLevelIndex);
         const label nCoarseCells = agglomeration_.nCells(fineLevelIndex);
 
-
-        Pout<< "agglomerateMatrix : I have fine mesh:"
-            << fineMatrix.mesh().lduAddr().size()
-            << " at fine level:" << fineLevelIndex
-            << " constricting to coarse cells:"
-            << nCoarseCells
-            << " coarse nFaces:" << nCoarseFaces << endl;
-
         // Set the coarse level matrix
         matrixLevels_.set
         (
@@ -307,18 +299,16 @@ void Foam::GAMGSolver::gatherMatrices
     List<List<int> >& otherRanks
 ) const
 {
-    Pout<< "GAMGSolver::gatherMatrices :"
-        << " collecting matrices on procs:" << procIDs
-        << " using comm:" << meshComm << endl;
+    if (debug)
+    {
+        Pout<< "GAMGSolver::gatherMatrices :"
+            << " collecting matrices from procs:" << procIDs
+            << " using comm:" << meshComm << endl;
+    }
 
     if (Pstream::myProcNo(meshComm) == procIDs[0])
     {
         // Master.
-
-        Pout<< "GAMGSolver::gatherMatrices :"
-            << " master:" << Pstream::myProcNo(meshComm) << endl;
-
-
         otherMats.setSize(procIDs.size()-1);
         otherBouCoeffs.setSize(procIDs.size()-1);
         otherIntCoeffs.setSize(procIDs.size()-1);
@@ -378,10 +368,6 @@ void Foam::GAMGSolver::gatherMatrices
     }
     else
     {
-        //Pout<< "GAMGSolver::gatherMatrices :"
-        //    << " sending from:" << Pstream::myProcNo(meshComm)
-        //    << " to master:" << procIDs[0] << endl;
-
         // Send to master
 
         // Count valid interfaces
@@ -402,9 +388,6 @@ void Foam::GAMGSolver::gatherMatrices
             }
         }
 
-        //Pout<< "GAMGSolver::gatherMatrices :"
-        //    << " sending matrix:" << mat.info() << endl;
-
         OPstream toMaster
         (
             Pstream::scheduled,
@@ -460,9 +443,6 @@ void Foam::GAMGSolver::procAgglomerateMatrix
     UPstream::warnComm = coarseComm;
 
 
-    // Construct (on the agglomeration) a complete mesh with mapping
-    Pout<< "procAgglomerateMatrix :" << " level:" << levelI << endl;
-
 
     // Gather all matrix coefficients onto agglomProcIDs[0]
     // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -496,18 +476,17 @@ void Foam::GAMGSolver::procAgglomerateMatrix
         // Agglomerate all matrix
         // ~~~~~~~~~~~~~~~~~~~~~~
 
-        Pout<< "Own matrix:" << coarsestMatrix.info() << endl;
-
-        forAll(otherMats, i)
-        {
-            Pout<< "** otherMats " << i << " "
-                << otherMats[i].info()
-                << endl;
-        }
-        Pout<< endl;
+        //Pout<< "Own matrix:" << coarsestMatrix.info() << endl;
+        //
+        //forAll(otherMats, i)
+        //{
+        //    Pout<< "** otherMats " << i << " "
+        //        << otherMats[i].info()
+        //        << endl;
+        //}
+        //Pout<< endl;
 
 
-        //const lduMesh& allMesh = agglomeration_.procMeshLevel(levelI);
         const lduMesh& allMesh = agglomeration_.meshLevel(levelI+1);
         const labelList& cellOffsets = agglomeration_.cellOffsets(levelI+1);
         const labelListList& faceMap = agglomeration_.faceMap(levelI+1);
@@ -515,8 +494,6 @@ void Foam::GAMGSolver::procAgglomerateMatrix
         const labelListListList& boundaryFaceMap =
             agglomeration_.boundaryFaceMap(levelI+1);
 
-Pout<< "Agglomerating onto mesh:" << allMesh.info() << endl;
-
         allMatrixPtr.reset(new lduMatrix(allMesh));
         lduMatrix& allMatrix = allMatrixPtr();
 
@@ -679,10 +656,6 @@ Pout<< "Agglomerating onto mesh:" << allMesh.info() << endl;
 
                     const labelList& map = boundaryFaceMap[procI][procIntI];
 
-                    //Pout<< "    from proc:" << procI
-                    //<< " interface:" << procIntI
-                    //<< " mapped to faces:" << map << endl;
-
                     const scalarField& procBou = procBouCoeffs[procIntI];
                     const scalarField& procInt = procIntCoeffs[procIntI];
 
@@ -703,11 +676,6 @@ Pout<< "Agglomerating onto mesh:" << allMesh.info() << endl;
                     // Boundary has become internal face
 
                     const labelList& map = boundaryFaceMap[procI][procIntI];
-
-                    //const labelList& allU = allMesh.lduAddr().upperAddr();
-                    //const labelList& allL = allMesh.lduAddr().lowerAddr();
-                    //const label off = cellOffsets[procI];
-
                     const scalarField& procBou = procBouCoeffs[procIntI];
                     const scalarField& procInt = procIntCoeffs[procIntI];
 
@@ -740,72 +708,35 @@ Pout<< "Agglomerating onto mesh:" << allMesh.info() << endl;
                                 allMatrix.lower()[allFaceI] = -procBou[i];
                             }
                         }
-
-
-                        //// Simple check
-                        //label allFaceI =
-                        //(
-                        //    map[i] >= 0
-                        //  ? map[i]
-                        //  : -map[i]-1
-                        //);
-                        //
-                        //const labelList& fCells =
-                        //    lduPrimitiveMesh::mesh
-                        //    (
-                        //        coarsestMesh,
-                        //        agglomeration_.otherMeshes(),
-                        //        procI
-                        //    ).lduAddr().patchAddr(procIntI);
-                        //
-                        //label allCellI = off + fCells[i];
-                        //
-                        //if
-                        //(
-                        //    allCellI != allL[allFaceI]
-                        // && allCellI != allU[allFaceI]
-                        //)
-                        //{
-                        //    FatalErrorIn
-                        //    (
-                        //        "GAMGSolver::GAMGSolver()"
-                        //    )   << "problem."
-                        //        << " allFaceI:" << allFaceI
-                        //        << " local cellI:" << fCells[i]
-                        //        << " allCellI:" << allCellI
-                        //        << " allLower:" << allL[allFaceI]
-                        //        << " allUpper:" << allU[allFaceI]
-                        //        << abort(FatalError);
-                        //}
                     }
                 }
             }
         }
 
-        Pout<< "** Assembled allMatrix:" << allMatrix.info() << endl;
-
-        forAll(allInterfaces, intI)
-        {
-            if (allInterfaces.set(intI))
-            {
-                Pout<< "    patch:" << intI
-                    << " type:" << allInterfaces[intI].type()
-                    << " size:"
-                    << allInterfaces[intI].interface().
-                        faceCells().size()
-                    << endl;
-
-                //const scalarField& bouCoeffs = allInterfaceBouCoeffs[intI];
-                //const scalarField& intCoeffs = allInterfaceIntCoeffs[intI];
-                //forAll(bouCoeffs, faceI)
-                //{
-                //    Pout<< "        " << faceI
-                //        << "\tbou:" << bouCoeffs[faceI]
-                //        << "\tint:" << intCoeffs[faceI]
-                //        << endl;
-                //}
-            }
-        }
+        //Pout<< "** Assembled allMatrix:" << allMatrix.info() << endl;
+        //
+        //forAll(allInterfaces, intI)
+        //{
+        //    if (allInterfaces.set(intI))
+        //    {
+        //        Pout<< "    patch:" << intI
+        //            << " type:" << allInterfaces[intI].type()
+        //            << " size:"
+        //            << allInterfaces[intI].interface().
+        //                faceCells().size()
+        //            << endl;
+        //
+        //        //const scalarField& bouCoeffs = allInterfaceBouCoeffs[intI];
+        //        //const scalarField& intCoeffs = allInterfaceIntCoeffs[intI];
+        //        //forAll(bouCoeffs, faceI)
+        //        //{
+        //        //    Pout<< "        " << faceI
+        //        //        << "\tbou:" << bouCoeffs[faceI]
+        //        //        << "\tint:" << intCoeffs[faceI]
+        //        //        << endl;
+        //        //}
+        //    }
+        //}
     }
     UPstream::warnComm = oldWarn;
 }
diff --git a/src/Pstream/mpi/UPstream.C b/src/Pstream/mpi/UPstream.C
index 1b53aa1566..70b5d19232 100644
--- a/src/Pstream/mpi/UPstream.C
+++ b/src/Pstream/mpi/UPstream.C
@@ -327,10 +327,6 @@ void Foam::UPstream::allocatePstreamCommunicator
     {
         // Allocate world communicator
 
-        //std::cout
-        //    << "MPI : Allocating world communicator at index " << index
-        //    << std::endl;
-
         if (index != UPstream::worldComm)
         {
             FatalErrorIn
@@ -359,16 +355,6 @@ void Foam::UPstream::allocatePstreamCommunicator
     }
     else
     {
-        std::cout
-            << "MPI : Allocating new communicator at index " << index
-            << " from parent " << parentIndex
-            << std::endl;
-        for (label i=0; i < procIDs_[index].size(); i++)
-        {
-            std::cout<< "    " << i << " rank:" << procIDs_[index][i]
-                << std::endl;
-        }
-
         // Create new group
         MPI_Group_incl
         (
@@ -378,11 +364,6 @@ void Foam::UPstream::allocatePstreamCommunicator
            &PstreamGlobals::MPIGroups_[index]
         );
  
-       //std::cout
-       //     << "MPI : New group " << long(PstreamGlobals::MPIGroups_[index])
-       //     << std::endl;
-
-
         // Create new communicator
         MPI_Comm_create
         (
@@ -393,17 +374,10 @@ void Foam::UPstream::allocatePstreamCommunicator
 
         if (PstreamGlobals::MPICommunicators_[index] == MPI_COMM_NULL)
         {
-            //std::cout
-            //     << "MPI : NULL : not in group"
-            //    << std::endl;
             myProcNo_[index] = -1;
         }
         else
         {
-            std::cout
-                << "MPI : New comm "
-                << long(PstreamGlobals::MPICommunicators_[index])
-                << std::endl;
             if
             (
                 MPI_Comm_rank
@@ -429,9 +403,6 @@ void Foam::UPstream::allocatePstreamCommunicator
             }
         }
     }
-
-    std::cout<< "MPI : in communicator " << index
-        << " I am rank " << myProcNo_[index] << std::endl;
 }
 
 
@@ -683,62 +654,4 @@ void Foam::UPstream::freeTag(const word& s, const int tag)
 }
 
 
-//Foam::label Foam::UPstream::allocateRequest(const word& s)
-//{
-//    label request;
-//    if (PstreamGlobals::freedRequests_.size())
-//    {
-//        request = PstreamGlobals::freedRequests_.remove();
-//    }
-//    else
-//    {
-//        request = PstreamGlobals::outstandingRequests_.size();
-//
-//        // Make sure outstanding requests table can hold this
-//        PstreamGlobals::outstandingRequests_.reserve(request);
-//    }
-//
-//    if (debug)
-//    {
-//        //if (UPstream::lateBlocking > 0)
-//        //{
-//        //    string& poutp = Pout.prefix();
-//        //    poutp[poutp.size()-(UPstream::lateBlocking+2)+request] = 'X';
-//        //    Perr.prefix() = Pout.prefix();
-//        //}
-//        Pout<< "UPstream::allocateRequest " << s
-//            << " : request:" << request
-//            << " out of:" << PstreamGlobals::outstandingRequests_.size()
-//            << " capacity:" << PstreamGlobals::outstandingRequests_.capacity()
-//            << endl;
-//    }
-//
-//    return request;
-//}
-//
-//
-//void Foam::UPstream::freeRequest(const word& s, const label index)
-//{
-//    if (PstreamGlobals::outstandingRequests_(index) != MPI_REQUEST_NULL)
-//    {
-//        PstreamGlobals::outstandingRequests_(index) = MPI_REQUEST_NULL;
-//        PstreamGlobals::freedRequests_.append(index);
-//
-//        if (debug)
-//        {
-//            //if (UPstream::lateBlocking > 0)
-//            //{
-//            //    string& poutp = Pout.prefix();
-//            //    poutp[poutp.size()-(UPstream::lateBlocking+2)+index] = ' ';
-//            //    Perr.prefix() = Pout.prefix();
-//            //}
-//            Pout<< "UPstream::freeRequest " << s
-//                << " : request:" << index
-//                << " now nullRequest:"
-//                << long(PstreamGlobals::outstandingRequests_(index)) << endl;
-//        }
-//    }
-//}
-
-
 // ************************************************************************* //