diff --git a/src/OpenFOAM/global/profiling/profiling.C b/src/OpenFOAM/global/profiling/profiling.C
index 704f8f868c2d6612cd7b36a25f0bef7a34bbf577..f64504f75a6cf7cb1b6f8fe7fb81df7da5762867 100644
--- a/src/OpenFOAM/global/profiling/profiling.C
+++ b/src/OpenFOAM/global/profiling/profiling.C
@@ -171,6 +171,15 @@ Foam::profiling::Information* Foam::profiling::New
         }
 
         pool_->push(info, timer);
+
+        if (pool_->memInfo_)
+        {
+            info->maxMem_ = Foam::max
+            (
+                info->maxMem_,
+                pool_->memInfo_->update().size()
+            );
+        }
     }
 
     return info;
@@ -243,7 +252,7 @@ Foam::profiling::profiling
     ),
     memInfo_
     (
-        dict.lookupOrDefault<Switch>("memInfo", true)
+        dict.lookupOrDefault<Switch>("memInfo", false)
       ? new memInfo() : 0
     )
 {}
@@ -274,6 +283,7 @@ Foam::profiling::Information::Information
     calls_(0),
     totalTime_(0),
     childTime_(0),
+    maxMem_(0),
     onStack_(false)
 {}
 
@@ -509,6 +519,10 @@ Foam::Ostream& Foam::profiling::Information::write
     writeEntry(os, "calls",         calls()     + (offset ? 1 : 0));
     writeEntry(os, "totalTime",     totalTime() + elapsedTime);
     writeEntry(os, "childTime",     childTime() + childTimes);
+    if (maxMem_)
+    {
+        writeEntry(os, "maxMem",    maxMem_);
+    }
     writeEntry(os, "onStack",       Switch(onStack()));
 
     os.endBlock() << nl; // FUTURE: without nl
diff --git a/src/OpenFOAM/global/profiling/profiling.H b/src/OpenFOAM/global/profiling/profiling.H
index ce94fcaef54d0339df17adcba8f726f6b6df1ef8..409cbff461eae74dc972c692a82371c114980d5b 100644
--- a/src/OpenFOAM/global/profiling/profiling.H
+++ b/src/OpenFOAM/global/profiling/profiling.H
@@ -27,14 +27,15 @@ Class
 Description
     Code profiling.
 
-    This is typically activated from within the system/controlDict as follows:
+    This is typically activated from within the system/controlDict as follows
+    (defaults shown):
     \code
         profiling
         {
-            active      true;  // default: true
-            cpuInfo     true;  // default: true
-            memInfo     true;  // default: true
-            sysInfo     true;  // default: true
+            active      true;
+            cpuInfo     true;
+            memInfo     false;
+            sysInfo     true;
         }
     \endcode
     or simply using all defaults:
@@ -247,6 +248,10 @@ class profiling::Information
         //- Time spent in children
         scalar childTime_;
 
+        //- Max memory usage on call.
+        //  Only valid when the calling profiling has memInfo active.
+        mutable int maxMem_;
+
         //- Is this information currently on the stack?
         mutable bool onStack_;
 
@@ -345,6 +350,12 @@ public:
         }
 
 
+        inline int maxMem() const
+        {
+            return maxMem_;
+        }
+
+
         inline bool onStack() const
         {
             return onStack_;
@@ -444,6 +455,17 @@ public:
 #define addProfiling0(name)                                                    \
     ::Foam::Profiling::Trigger  profilingTriggerFor##name(#name)
 
+//- Define profiling with specified name and description correspond to the
+//  compiler-defined function name string:
+//  \sa addProfiling
+//  \sa endProfiling
+#ifdef __GNUC__
+    #define addProfilingInFunction(name)                                       \
+    ::Foam::profiling::Trigger  profilingTriggerFor##name(__PRETTY_FUNCTION__)
+#else
+    #define addProfilingInFunction(name)                                       \
+    ::Foam::profiling::Trigger  profilingTriggerFor##name(__func__)
+#endif
 
 //- Remove profiling with specified name
 //  \sa addProfiling
diff --git a/src/mesh/snappyHexMesh/snappyHexMeshDriver/snappyLayerDriver.C b/src/mesh/snappyHexMesh/snappyHexMeshDriver/snappyLayerDriver.C
index 9f973ba12c3bf8e9d6357d1a712506bd960857f6..154526895dd7211639d45c8d24a7d7c9f22c7b45 100644
--- a/src/mesh/snappyHexMesh/snappyHexMeshDriver/snappyLayerDriver.C
+++ b/src/mesh/snappyHexMesh/snappyHexMeshDriver/snappyLayerDriver.C
@@ -3751,7 +3751,10 @@ void Foam::snappyLayerDriver::addLayers
             );
             fvMesh& newMesh = newMeshPtr();
 
-            //?neccesary? Update fields
+            // get timing, but more importantly get memory information
+            addProfiling(grow, "snappyHexMesh::layers::updateMesh");
+
+            //?necessary? Update fields
             newMesh.updateMesh(map);
 
             newMesh.setInstance(meshRefiner_.timeName());
diff --git a/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/0/H2O b/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/0/H2O
deleted file mode 100644
index 802c5d44b57d5885bac14100b8d9f10bbe549205..0000000000000000000000000000000000000000
--- a/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/0/H2O
+++ /dev/null
@@ -1,54 +0,0 @@
-/*--------------------------------*- C++ -*----------------------------------*\
-| =========                 |                                                 |
-| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  plus                                  |
-|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
-|    \\/     M anipulation  |                                                 |
-\*---------------------------------------------------------------------------*/
-FoamFile
-{
-    version     2.0;
-    format      ascii;
-    class       volScalarField;
-    location    "0";
-    object      H2O;
-}
-// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
-
-dimensions      [0 0 0 0 0 0 0];
-
-internalField   uniform 0.01;
-
-boundaryField
-{
-    back
-    {
-        type            symmetryPlane;
-    }
-    front
-    {
-        type            symmetryPlane;
-    }
-    walls
-    {
-        type            zeroGradient;
-    }
-    outlet
-    {
-        type            inletOutlet;
-        inletValue      uniform 0.0;
-    }
-    inletSides
-    {
-        type            fixedValue;
-        value           uniform 0.01;
-    }
-    inletCentral
-    {
-        type            fixedValue;
-        value           uniform 0.01;
-    }
-}
-
-
-// ************************************************************************* //
diff --git a/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/0/T b/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/0/T
deleted file mode 100644
index 5e3608010f5b89d3f873e8cd4fd4391ad6ad2ba0..0000000000000000000000000000000000000000
--- a/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/0/T
+++ /dev/null
@@ -1,54 +0,0 @@
-/*--------------------------------*- C++ -*----------------------------------*\
-| =========                 |                                                 |
-| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  plus                                  |
-|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
-|    \\/     M anipulation  |                                                 |
-\*---------------------------------------------------------------------------*/
-FoamFile
-{
-    version     2.0;
-    format      ascii;
-    class       volScalarField;
-    location    "0";
-    object      T;
-}
-// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
-
-dimensions      [0 0 0 1 0 0 0];
-
-internalField   uniform 473.0;
-
-boundaryField
-{
-    back
-    {
-        type            symmetryPlane;
-    }
-    front
-    {
-        type            symmetryPlane;
-    }
-    walls
-    {
-        type            zeroGradient;
-    }
-    outlet
-    {
-        type            inletOutlet;
-        inletValue      uniform 473.0;
-    }
-    inletSides
-    {
-        type            fixedValue;
-        value           uniform 473.0;
-    }
-    inletCentral
-    {
-        type            fixedValue;
-        value           uniform 573.0;
-    }
-}
-
-
-// ************************************************************************* //
diff --git a/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/0/U b/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/0/U
deleted file mode 100644
index d0a367501dd6a38ba445053e087a199807a0770a..0000000000000000000000000000000000000000
--- a/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/0/U
+++ /dev/null
@@ -1,56 +0,0 @@
-/*--------------------------------*- C++ -*----------------------------------*\
-| =========                 |                                                 |
-| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  plus                                  |
-|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
-|    \\/     M anipulation  |                                                 |
-\*---------------------------------------------------------------------------*/
-FoamFile
-{
-    version     2.0;
-    format      ascii;
-    class       volVectorField;
-    location    "0";
-    object      U;
-}
-// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
-
-dimensions      [0 1 -1 0 0 0 0];
-
-internalField   uniform (0 0 0);
-
-boundaryField
-{
-    back
-    {
-        type            symmetryPlane;
-    }
-    front
-    {
-        type            symmetryPlane;
-    }
-    inletCentral
-    {
-        type            flowRateInletVelocity;
-        massFlowRate    constant 0.00379;
-        value           uniform (0 14.68 0);
-    }
-    inletSides
-    {
-        type            flowRateInletVelocity;
-        massFlowRate    constant 0.00832;
-        value           uniform (0 17.79 0);
-    }
-    outlet
-    {
-        type            inletOutlet;
-        inletValue      uniform (0 0 0);
-    }
-    walls
-    {
-        type            noSlip;
-    }
-}
-
-
-// ************************************************************************* //
diff --git a/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/0/air b/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/0/air
deleted file mode 100644
index 29cc2be2dd572c7c5ea60fb5ec612f735c3fa810..0000000000000000000000000000000000000000
--- a/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/0/air
+++ /dev/null
@@ -1,54 +0,0 @@
-/*--------------------------------*- C++ -*----------------------------------*\
-| =========                 |                                                 |
-| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  plus                                  |
-|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
-|    \\/     M anipulation  |                                                 |
-\*---------------------------------------------------------------------------*/
-FoamFile
-{
-    version     2.0;
-    format      ascii;
-    class       volScalarField;
-    location    "0";
-    object      air;
-}
-// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
-
-dimensions      [0 0 0 0 0 0 0];
-
-internalField   uniform 0.99;
-
-boundaryField
-{
-    back
-    {
-        type            symmetryPlane;
-    }
-    front
-    {
-        type            symmetryPlane;
-    }
-    walls
-    {
-        type            zeroGradient;
-    }
-    outlet
-    {
-        type            inletOutlet;
-        inletValue      uniform 1.0;
-    }
-    inletSides
-    {
-        type            fixedValue;
-        value           uniform 0.99;
-    }
-    inletCentral
-    {
-        type            fixedValue;
-        value           uniform 0.99;
-    }
-}
-
-
-// ************************************************************************* //
diff --git a/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/0/alphat b/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/0/alphat
deleted file mode 100644
index 97f4ec8f38f1f81d15e16d11ae4db9726cc0937c..0000000000000000000000000000000000000000
--- a/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/0/alphat
+++ /dev/null
@@ -1,56 +0,0 @@
-/*--------------------------------*- C++ -*----------------------------------*\
-| =========                 |                                                 |
-| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  plus                                  |
-|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
-|    \\/     M anipulation  |                                                 |
-\*---------------------------------------------------------------------------*/
-FoamFile
-{
-    version     2.0;
-    format      ascii;
-    class       volScalarField;
-    location    "0";
-    object      alphat;
-}
-// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
-
-dimensions      [1 -1 -1 0 0 0 0];
-
-internalField   uniform 0;
-
-boundaryField
-{
-    back
-    {
-        type            symmetryPlane;
-    }
-    front
-    {
-        type            symmetryPlane;
-    }
-    inletCentral
-    {
-        type            calculated;
-        value           uniform 0;
-    }
-    inletSides
-    {
-        type            calculated;
-        value           uniform 0;
-    }
-    outlet
-    {
-        type            calculated;
-        value           uniform 0;
-    }
-    walls
-    {
-        type            compressible::alphatWallFunction;
-        Prt             0.85;
-        value           uniform 0;
-    }
-}
-
-
-// ************************************************************************* //
diff --git a/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/0/k b/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/0/k
deleted file mode 100644
index d5f5819e4806f7a70e45a630dd48407de01b7df9..0000000000000000000000000000000000000000
--- a/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/0/k
+++ /dev/null
@@ -1,57 +0,0 @@
-/*--------------------------------*- C++ -*----------------------------------*\
-| =========                 |                                                 |
-| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  plus                                  |
-|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
-|    \\/     M anipulation  |                                                 |
-\*---------------------------------------------------------------------------*/
-FoamFile
-{
-    version     2.0;
-    format      ascii;
-    class       volScalarField;
-    location    "0";
-    object      k;
-}
-// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
-
-dimensions      [0 2 -2 0 0 0 0];
-
-internalField   uniform 3.75e-9;
-
-boundaryField
-{
-    back
-    {
-        type            symmetryPlane;
-    }
-    front
-    {
-        type            symmetryPlane;
-    }
-    inletCentral
-    {
-        type            turbulentIntensityKineticEnergyInlet;
-        intensity       0.15;
-        value           uniform 3.75e-9;
-    }
-    inletSides
-    {
-        type            turbulentIntensityKineticEnergyInlet;
-        intensity       0.16;
-        value           uniform 3.75e-9;
-    }
-    outlet
-    {
-        type            inletOutlet;
-        inletValue      uniform 3.75e-9;
-    }
-    walls
-    {
-        type            kqRWallFunction;
-        value           uniform 0;
-    }
-}
-
-
-// ************************************************************************* //
diff --git a/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/0/nut b/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/0/nut
deleted file mode 100644
index c89f6e404442be235d952b3205e37dea9b67167c..0000000000000000000000000000000000000000
--- a/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/0/nut
+++ /dev/null
@@ -1,58 +0,0 @@
-/*--------------------------------*- C++ -*----------------------------------*\
-| =========                 |                                                 |
-| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  plus                                  |
-|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
-|    \\/     M anipulation  |                                                 |
-\*---------------------------------------------------------------------------*/
-FoamFile
-{
-    version     2.0;
-    format      ascii;
-    class       volScalarField;
-    location    "0";
-    object      nut;
-}
-// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
-
-dimensions      [0 2 -1 0 0 0 0];
-
-internalField   uniform 0;
-
-boundaryField
-{
-    back
-    {
-        type            symmetryPlane;
-    }
-    front
-    {
-        type            symmetryPlane;
-    }
-    inletCentral
-    {
-        type            calculated;
-        value           uniform 0;
-    }
-    inletSides
-    {
-        type            calculated;
-        value           uniform 0;
-    }
-    outlet
-    {
-        type            calculated;
-        value           uniform 0;
-    }
-    walls
-    {
-        type            nutkWallFunction;
-        Cmu             0.09;
-        kappa           0.41;
-        E               9.8;
-        value           uniform 0;
-    }
-}
-
-
-// ************************************************************************* //
diff --git a/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/0/omega b/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/0/omega
deleted file mode 100644
index 26af2dccdd910b9eb67799f6dbf7ea34cd2ce763..0000000000000000000000000000000000000000
--- a/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/0/omega
+++ /dev/null
@@ -1,62 +0,0 @@
-/*--------------------------------*- C++ -*----------------------------------*\
-| =========                 |                                                 |
-| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  plus                                  |
-|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
-|    \\/     M anipulation  |                                                 |
-\*---------------------------------------------------------------------------*/
-FoamFile
-{
-    version     2.0;
-    format      ascii;
-    class       volScalarField;
-    location    "0";
-    object      omega;
-}
-// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
-
-dimensions      [0 0 -1 0 0 0 0];
-
-internalField   uniform 4.5e-3;
-
-boundaryField
-{
-    back
-    {
-        type            symmetryPlane;
-    }
-    front
-    {
-        type            symmetryPlane;
-    }
-    inletCentral
-    {
-        type            turbulentMixingLengthFrequencyInlet;
-        mixingLength    0.007;
-        k               k;
-        value           uniform 4.5e-3;
-    }
-    inletSides
-    {
-        type            turbulentMixingLengthFrequencyInlet;
-        mixingLength    0.007;
-        k               k;
-        value           uniform 4.5e-3;
-    }
-    outlet
-    {
-        type            inletOutlet;
-        inletValue      uniform 4.5e-3;
-    }
-    walls
-    {
-        type            omegaWallFunction;
-        Cmu             0.09;
-        kappa           0.41;
-        E               9.8;
-        value           $internalField;
-    }
-}
-
-
-// ************************************************************************* //
diff --git a/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/0/p b/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/0/p
deleted file mode 100644
index bef7aaa77adf9b09852de5ec0b4ae64e36a7162a..0000000000000000000000000000000000000000
--- a/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/0/p
+++ /dev/null
@@ -1,52 +0,0 @@
-/*--------------------------------*- C++ -*----------------------------------*\
-| =========                 |                                                 |
-| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  plus                                  |
-|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
-|    \\/     M anipulation  |                                                 |
-\*---------------------------------------------------------------------------*/
-FoamFile
-{
-    version     2.0;
-    format      ascii;
-    class       volScalarField;
-    location    "0";
-    object      p;
-}
-// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
-
-dimensions      [1 -1 -2 0 0 0 0];
-
-internalField   uniform 100000;
-
-boundaryField
-{
-    back
-    {
-        type            symmetryPlane;
-    }
-    front
-    {
-        type            symmetryPlane;
-    }
-    inletCentral
-    {
-        type            zeroGradient;
-    }
-    inletSides
-    {
-        type            zeroGradient;
-    }
-    outlet
-    {
-        type            fixedValue;
-        value           uniform 100000;
-    }
-    walls
-    {
-        type            zeroGradient;
-    }
-}
-
-
-// ************************************************************************* //
diff --git a/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/Allclean b/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/Allclean
index f0cffd5b25f22795149cf4c67cc6f806a61659bb..df77730bc36a67aea467817e807431c476e580ef 100755
--- a/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/Allclean
+++ b/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/Allclean
@@ -7,10 +7,6 @@ cd ${0%/*} || exit 1    # Run from this directory
 # remove old time and post-processing directories
 rm -rf 0 *[1-9]* processor* postProcessing
 
-
-# copy 0.org to 0
-cp -r 0.org 0
-
 cleanCase
 
 #------------------------------------------------------------------------------
diff --git a/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/Allrun b/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/Allrun
new file mode 100755
index 0000000000000000000000000000000000000000..35dc16c075d91d91b244bc9bb9b426964f569404
--- /dev/null
+++ b/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/Allrun
@@ -0,0 +1,20 @@
+#!/bin/sh
+cd ${0%/*} || exit 1    # Run from this directory
+
+# Source tutorial run functions
+. $WM_PROJECT_DIR/bin/tools/RunFunctions
+
+# create mesh
+runApplication blockMesh
+
+cp -r 0.org 0
+
+# initialise with potentialFoam solution
+runApplication potentialFoam
+
+rm -f 0/phi
+
+# run the solver
+runApplication `getApplication`
+
+#------------------------------------------------------------------------------
diff --git a/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/system/controlDict b/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/system/controlDict
index 91aadac3e0a026b7a7c208a53b16a16069c3be50..6bdfd86aaab4291ed7021ad5327a259bce9580f5 100644
--- a/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/system/controlDict
+++ b/tutorials/lagrangian/reactingParcelFoam/verticalChannelLTS/system/controlDict
@@ -45,6 +45,10 @@ timePrecision   6;
 
 runTimeModifiable yes;
 
+profiling
+{
+    memInfo     true;
+}
 
 functions
 {