After this commit the tree height is choose at execution time.

This is a simple parameter given to the tree (FOctree) constructor.
(Instead of a template)

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/scalfmm/scalfmm/trunk@103 2616d619-271b-44dc-8df4-d4a8f33a7222

Src/Components/FAbstractKernels.hpp

@@ -12,7 +12,7 @@
 *
 * If you want to create you own kernels you have to inherit from this class.
 */
-template< class ParticleClass, class CellClass, int TreeHeight>
+template< class ParticleClass, class CellClass>
 class FAbstractKernels{
 public:
     /** Default destructor */

Src/Components/FBasicKernels.hpp

@@ -15,8 +15,8 @@
 * This kernels simply shows the details of the information
 * it receives (in debug)
 */
-template< class ParticleClass, class CellClass, int TreeHeight>
-class FBasicKernels : public FAbstractKernels<ParticleClass,CellClass,TreeHeight> {
+template< class ParticleClass, class CellClass>
+class FBasicKernels : public FAbstractKernels<ParticleClass,CellClass> {
 public:
     /** Default destructor */
     virtual ~FBasicKernels(){

Src/Components/FTestKernels.hpp

@@ -20,8 +20,8 @@
 * correctly done on particles.
 * It used FTestCell and FTestParticle
 */
-template< class ParticleClass, class CellClass, int TreeHeight>
-class FTestKernels : public FAbstractKernels<ParticleClass,CellClass,TreeHeight> {
+template< class ParticleClass, class CellClass>
+class FTestKernels : public FAbstractKernels<ParticleClass,CellClass> {
 public:
     /** Default destructor */
     virtual ~FTestKernels(){
@@ -130,12 +130,13 @@ public:
 /** This function test the octree to be sure that the fmm algorithm
   * has worked completly.
   */
-template< class ParticleClass, class CellClass, template<class ParticleClass> class LeafClass, int TreeHeight, int SizeSubLevels>
-void ValidateFMMAlgo(FOctree<ParticleClass, CellClass, LeafClass, TreeHeight , SizeSubLevels>* const tree){
+template< class ParticleClass, class CellClass, template<class ParticleClass> class LeafClass>
+void ValidateFMMAlgo(FOctree<ParticleClass, CellClass, LeafClass>* const tree){
     std::cout << "Check Result\n";
+    const int TreeHeight = tree->getHeight();
     int NbPart = 0;
     { // Check that each particle has been summed with all other
-        typename FOctree<ParticleClass, CellClass, LeafClass, TreeHeight, SizeSubLevels>::Iterator octreeIterator(tree);
+        typename FOctree<ParticleClass, CellClass, LeafClass>::Iterator octreeIterator(tree);
         octreeIterator.gotoBottomLeft();
         do{
             if(octreeIterator.getCurrentCell()->getDataUp() != octreeIterator.getCurrentListSrc()->getSize() ){
@@ -145,7 +146,7 @@ void ValidateFMMAlgo(FOctree<ParticleClass, CellClass, LeafClass, TreeHeight , S
         } while(octreeIterator.moveRight());
     }
     { // Ceck if there is number of NbPart summed at level 1
-        typename FOctree<ParticleClass, CellClass, LeafClass, TreeHeight, SizeSubLevels>::Iterator octreeIterator(tree);
+        typename FOctree<ParticleClass, CellClass, LeafClass>::Iterator octreeIterator(tree);
         octreeIterator.moveDown();
         long res = 0;
         do{
@@ -156,7 +157,7 @@ void ValidateFMMAlgo(FOctree<ParticleClass, CellClass, LeafClass, TreeHeight , S
         }
     }
     { // Ceck if there is number of NbPart summed at level 1
-        typename FOctree<ParticleClass, CellClass, LeafClass, TreeHeight, SizeSubLevels>::Iterator octreeIterator(tree);
+        typename FOctree<ParticleClass, CellClass, LeafClass>::Iterator octreeIterator(tree);
         octreeIterator.gotoBottomLeft();
         for(int idxLevel = TreeHeight - 1 ; idxLevel > 1 ; --idxLevel ){
             long res = 0;
@@ -171,7 +172,7 @@ void ValidateFMMAlgo(FOctree<ParticleClass, CellClass, LeafClass, TreeHeight , S
         }
     }
     { // Check that each particle has been summed with all other
-        typename FOctree<ParticleClass, CellClass, LeafClass, TreeHeight, SizeSubLevels>::Iterator octreeIterator(tree);
+        typename FOctree<ParticleClass, CellClass, LeafClass>::Iterator octreeIterator(tree);
         octreeIterator.gotoBottomLeft();
         do{
             typename FList<ParticleClass>::BasicIterator iter(*octreeIterator.getCurrentListTargets());

Src/Containers/FOctree.hpp

@@ -21,16 +21,21 @@
  * Please refere to testOctree.cpp to see an example.
  * <code>
  * // can be used as : <br>
- * FOctree<TestParticle, TestCell, 10, 3> tree(1.0,F3DPosition(0.5,0.5,0.5));
+ * FOctree<TestParticle, TestCell> tree(1.0,F3DPosition(0.5,0.5,0.5));
  * </code>
  *
  * Particles and cells has to respect the Abstract class definition.
  * Particle must extend {FExtendPosition}
  * Cell must extend extend {FExtendPosition,FExtendMortonIndex}
  */
-template< class ParticleClass, class CellClass, template <class ParticleClass> class LeafClass, int OctreeHeight, int SubtreeHeight = 3>
+template< class ParticleClass, class CellClass, template <class ParticleClass> class LeafClass>
 class FOctree {
-        FReal boxWidthAtLevel[OctreeHeight];		//< to store the width of each boxs at all levels
+        FReal*const boxWidthAtLevel;		//< to store the width of each boxs at all levels
+
+        const int height;		//< tree height
+        const int subHeight;		//< tree height
+        const int leafIndex;		//< index of leaf int array
+
         FSubOctree< ParticleClass, CellClass , LeafClass> root;   //< root suboctree
 
         const F3DPosition boxCenter;	//< the space system center
@@ -38,8 +43,6 @@ class FOctree {
 
         const FReal boxWidth;          //< the space system width
 
-        const int height;		//< tree height
-        const int leafIndex;		//< index of leaf int array
 
 	/** Forbiden copy operator */
 	FOctree& operator=(const FOctree&) {
@@ -86,9 +89,12 @@ public:
 	* @param inBoxWidth box width for this simulation
 	* @param inBoxCenter box center for this simulation
 	*/
-        FOctree(const FReal inBoxWidth, const F3DPosition& inBoxCenter)
-                        : root(0, 0, SubtreeHeight, 1), boxCenter(inBoxCenter), boxCorner(inBoxCenter - (inBoxWidth/2)), boxWidth(inBoxWidth),
-                        height(OctreeHeight) , leafIndex(OctreeHeight-1) {
+        FOctree(const int inHeight, const int inSubHeight,
+                const FReal inBoxWidth, const F3DPosition& inBoxCenter)
+                        : boxWidthAtLevel(new FReal[this->height]),
+                          height(inHeight) , subHeight(inSubHeight), leafIndex(this->height-1),
+                          root(0, 0, this->subHeight, 1), boxCenter(inBoxCenter), boxCorner(inBoxCenter - (inBoxWidth/2)), boxWidth(inBoxWidth)
+                           {
                 FReal tempWidth = this->boxWidth;
                 // pre compute box width for each level
                 for(int indexLevel = 0; indexLevel < this->height; ++indexLevel ){
@@ -99,8 +105,14 @@ public:
 
 	/** Desctructor */
         virtual ~FOctree() {
+            delete [] boxWidthAtLevel;
 	}
 
+        /** To get the tree height */
+        int getHeight() const {
+            return this->height;
+        }
+
 	/**
 	* Insert a particle on the tree
 	* algorithm is :
@@ -474,7 +486,7 @@ public:
               * @return true if we are at the bottom of the tree
               */
             bool isAtLeafLevel() const {
-                return level() + 1 == OctreeHeight;
+                return this->current.tree->isLeafPart() && this->currentLocalLevel + 1 == this->current.tree->getSubOctreeHeight();
             }
 
             /**

Src/Containers/FSubOctree.hpp

@@ -49,6 +49,8 @@ protected:
     const int subOctreeHeight;              //< Height of this suboctree
     const int subOctreePosition;	    //< Level of the current suboctree in the global tree (0 if node)
 
+    const bool isLeafSubtree;               //< To know if a subtree is leaf or not (we prefere that to a virtual method)
+
 
     /**
      * This function compute the morton index for the last level of this suboctree.
@@ -116,9 +118,9 @@ public:
     * @param inSubOctreePosition Level of the current suboctree in the global tree (1 if upper tree)
     */
     FAbstractSubOctree(FAbstractSubOctree* const inParent, const long inIndexInParent,
-                       const int inSubOctreeHeight, const int inSubOctreePosition) :
+                       const int inSubOctreeHeight, const int inSubOctreePosition, const bool inIsLeafSubtree) :
                         cells(0), parent( inParent ), indexInParent(inIndexInParent), leftLeafIndex(1 << (3 * inSubOctreeHeight)), rightLeafIndex(-1),
-                        subOctreeHeight( inSubOctreeHeight ), subOctreePosition( inSubOctreePosition ) {
+                        subOctreeHeight( inSubOctreeHeight ), subOctreePosition( inSubOctreePosition ), isLeafSubtree(inIsLeafSubtree) {
 
         this->cells = new CellClass**[this->subOctreeHeight];
         assert(this->cells, "Allocation failled", __LINE__, __FILE__);
@@ -229,6 +231,14 @@ public:
     long getIndexInParent() const{
         return indexInParent;
     }
+
+    /** To know if this class has been inherited by a leaf subtree or middle subtree
+      * Of course we can do a virtual method to do that but virtual method are slower
+      * if we point to parent class to call the method
+      */
+    bool isLeafPart() const{
+        return this->isLeafSubtree;
+    }
 };
 
 
@@ -269,7 +279,7 @@ public:
     */
     FSubOctreeWithLeafs(FAbstractSubOctree<ParticleClass,CellClass,LeafClass>* const inParent, const long inIndexInParent,
                         const int inSubOctreeHeight, const int inSubOctreePosition) :
-                        FAbstractSubOctree<ParticleClass,CellClass,LeafClass>(inParent, inIndexInParent, inSubOctreeHeight, inSubOctreePosition) {
+                        FAbstractSubOctree<ParticleClass,CellClass,LeafClass>(inParent, inIndexInParent, inSubOctreeHeight, inSubOctreePosition, true) {
 
         const long cellsAtLeafLevel = 1 << (3 * inSubOctreeHeight);
 
@@ -381,7 +391,7 @@ public:
     */
     FSubOctree(FAbstractSubOctree<ParticleClass,CellClass,LeafClass>* const inParent,  const long inIndexInParent,
                const int inSubOctreeHeight, const int inSubOctreePosition) :
-            FAbstractSubOctree<ParticleClass,CellClass,LeafClass>(inParent, inIndexInParent, inSubOctreeHeight, inSubOctreePosition) {
+            FAbstractSubOctree<ParticleClass,CellClass,LeafClass>(inParent, inIndexInParent, inSubOctreeHeight, inSubOctreePosition, false) {
 
         const long cellsAtLeafLevel = 1 << (3 * inSubOctreeHeight);
         this->subleafs = new FAbstractSubOctree<ParticleClass,CellClass,LeafClass>*[cellsAtLeafLevel];

Src/Containers/FVector.hpp

@@ -8,7 +8,7 @@
 
 /**
  * @author Berenger Bramas (berenger.bramas@inria.fr)
- * @class FList
+ * @class FVector
  * Please read the license
  *
  * This class is a vector container.
@@ -162,7 +162,9 @@ public:
         ++this->index;
     }
 
-
+    /** This class is a basic iterator
+      *
+      */
     class BasicIterator{
     protected:
         FVector* const vector;  /**< the vector to work on*/
@@ -193,7 +195,9 @@ public:
     };
     friend class BasicIterator;
 
-
+    /** This class is a basic const iterator
+      * it uses a const vector to work on
+      */
     class ConstBasicIterator{
     protected:
         const FVector* const vector;  /**< the vector to work on*/

Src/Core/FFmmAlgorithm.hpp

@@ -21,17 +21,18 @@
 *
 * Of course this class does not deallocate pointer given in arguements.
 */
-template<template< class ParticleClass, class CellClass, int OctreeHeight> class KernelClass,
+template<template< class ParticleClass, class CellClass> class KernelClass,
         class ParticleClass, class CellClass,
-        template<class ParticleClass> class LeafClass,
-        int OctreeHeight, int SubtreeHeight>
+        template<class ParticleClass> class LeafClass>
 class FFmmAlgorithm : protected FAssertable{
     // To reduce the size of variable type based on foctree in this file
-    typedef FOctree<ParticleClass, CellClass, LeafClass, OctreeHeight, SubtreeHeight> Octree;
-    typedef typename FOctree<ParticleClass, CellClass,LeafClass, OctreeHeight, SubtreeHeight>::Iterator FOctreeIterator;
+    typedef FOctree<ParticleClass, CellClass, LeafClass> Octree;
+    typedef typename FOctree<ParticleClass, CellClass,LeafClass>::Iterator FOctreeIterator;
 
     Octree* const tree;                                                     //< The octree to work on
-    KernelClass<ParticleClass, CellClass, OctreeHeight>* const kernels;    //< The kernels
+    KernelClass<ParticleClass, CellClass>* const kernels;    //< The kernels
+
+    const int OctreeHeight;
 
 public:	
     /** The constructor need the octree and the kernels used for computation
@@ -39,8 +40,8 @@ public:
       * @param inKernels the kernels to call
       * An assert is launched if one of the arguments is null
       */
-    FFmmAlgorithm(Octree* const inTree, KernelClass<ParticleClass,CellClass,OctreeHeight>* const inKernels)
-                      : tree(inTree) , kernels(inKernels) {
+    FFmmAlgorithm(Octree* const inTree, KernelClass<ParticleClass,CellClass>* const inKernels)
+                      : tree(inTree) , kernels(inKernels), OctreeHeight(tree->getHeight()) {
 
         assert(tree, "tree cannot be null", __LINE__, __FILE__);
         assert(kernels, "kernels cannot be null", __LINE__, __FILE__);

Src/Core/FFmmAlgorithmThread.hpp

@@ -28,15 +28,14 @@
 *
 * When using this algorithm the P2P is thread safe.
 */
-template<template< class ParticleClass, class CellClass, int OctreeHeight> class KernelClass,
+template<template< class ParticleClass, class CellClass> class KernelClass,
         class ParticleClass, class CellClass,
-        template<class ParticleClass> class LeafClass,
-        int OctreeHeight, int SubtreeHeight>
+        template<class ParticleClass> class LeafClass>
 class FFmmAlgorithmThread : protected FAssertable{
     // To reduce the size of variable type based on foctree in this file
-    typedef FOctree<ParticleClass, CellClass, LeafClass, OctreeHeight, SubtreeHeight> Octree;
-    typedef typename FOctree<ParticleClass, CellClass,LeafClass, OctreeHeight, SubtreeHeight>::Iterator OctreeIterator;
-    typedef KernelClass<ParticleClass, CellClass, OctreeHeight> Kernel;
+    typedef FOctree<ParticleClass, CellClass, LeafClass> Octree;
+    typedef typename FOctree<ParticleClass, CellClass,LeafClass>::Iterator OctreeIterator;
+    typedef KernelClass<ParticleClass, CellClass> Kernel;
 
     Octree* const tree;                  //< The octree to work on
     Kernel** kernels;                    //< The kernels
@@ -49,6 +48,8 @@ class FFmmAlgorithmThread : protected FAssertable{
 
     const int MaxThreads;
 
+    const int OctreeHeight;
+
 public:
     /** The constructor need the octree and the kernels used for computation
       * @param inTree the octree to work on
@@ -57,13 +58,13 @@ public:
       */
     FFmmAlgorithmThread(Octree* const inTree, Kernel* const inKernels)
                       : tree(inTree) , kernels(0), iterArray(0), leafsNumber(0),
-                        MaxThreads(omp_get_max_threads()) {
+                        MaxThreads(omp_get_max_threads()), OctreeHeight(tree->getHeight()) {
 
         assert(tree, "tree cannot be null", __LINE__, __FILE__);
 
         this->kernels = new Kernel*[MaxThreads];
         for(int idxThread = 0 ; idxThread < MaxThreads ; ++idxThread){
-            this->kernels[idxThread] = new KernelClass<ParticleClass, CellClass, OctreeHeight>(*inKernels);
+            this->kernels[idxThread] = new KernelClass<ParticleClass, CellClass>(*inKernels);
         }
 
         FDEBUG(FDebug::Controller << "FFmmAlgorithmThread (Max Thread " << omp_get_max_threads() << ")\n");

Src/Core/FFmmAlgorithmThreadProc.hpp

@@ -36,15 +36,14 @@
 * --tool=memcheck --leak-check=yes --show-reachable=yes --num-callers=20 --track-fds=yes
 * ./Tests/testFmmAlgorithmProc ../Data/testLoaderSmall.fma.tmp
 */
-template<template< class ParticleClass, class CellClass, int OctreeHeight> class KernelClass,
+template<template< class ParticleClass, class CellClass> class KernelClass,
 class ParticleClass, class CellClass,
-template<class ParticleClass> class LeafClass,
-int OctreeHeight, int SubtreeHeight>
+template<class ParticleClass> class LeafClass>
         class FFmmAlgorithmThreadProc : protected FAssertable {
     // To reduce the size of variable type based on foctree in this file
-    typedef FOctree<ParticleClass, CellClass, LeafClass, OctreeHeight, SubtreeHeight> Octree;
-    typedef typename FOctree<ParticleClass, CellClass,LeafClass, OctreeHeight, SubtreeHeight>::Iterator OctreeIterator;
-    typedef KernelClass<ParticleClass, CellClass, OctreeHeight> Kernel;
+    typedef FOctree<ParticleClass, CellClass, LeafClass> Octree;
+    typedef typename FOctree<ParticleClass, CellClass,LeafClass>::Iterator OctreeIterator;
+    typedef KernelClass<ParticleClass, CellClass> Kernel;
 
     FMpi& app;                          //< The app to communicate
 
@@ -58,8 +57,8 @@ int OctreeHeight, int SubtreeHeight>
     int leafRight;                  //< To store the right limit at the previous level
     int numberOfLeafs;               //< To store the size at the previous level
 
-    int leftOffsets[OctreeHeight];      //< the right limit at different level
-    int rightOffsets[OctreeHeight];     //< the left limit at different level
+    int*const leftOffsets;      //< the right limit at different level
+    int*const rightOffsets;     //< the left limit at different level
 
     const int MaxThreads;               //< the max number of thread allowed by openmp
 
@@ -69,6 +68,8 @@ int OctreeHeight, int SubtreeHeight>
     const static int BufferSize = 2000;      //< To know max of the buffer we receive
     FBufferVector<BufferSize> * sendBuffer;  //< To put data to send into a buffer
 
+    const int OctreeHeight;
+
     /** To swap between two arrays
       * the current and the previous
       */
@@ -87,14 +88,15 @@ public:
     FFmmAlgorithmThreadProc(FMpi& inApp, Octree* const inTree, Kernel* const inKernels)
         : app(inApp), tree(inTree) , kernels(0), iterArray(0),
         previousIterArray(0), leafLeft(0),leafRight(0), numberOfLeafs(0),
+        leftOffsets(new int[inTree->getHeight()]),rightOffsets(new int[inTree->getHeight()]),
         MaxThreads(omp_get_max_threads()), nbProcess(inApp.processCount()), idPorcess(inApp.processId()),
-        sendBuffer(0) {
+        sendBuffer(0), OctreeHeight(tree->getHeight()) {
 
         assert(tree, "tree cannot be null", __LINE__, __FILE__);
 
         this->kernels = new Kernel*[MaxThreads];
         for(int idxThread = 0 ; idxThread < MaxThreads ; ++idxThread){
-            this->kernels[idxThread] = new KernelClass<ParticleClass, CellClass, OctreeHeight>(*inKernels);
+            this->kernels[idxThread] = new KernelClass<ParticleClass, CellClass>(*inKernels);
         }
 
         this->sendBuffer = new FBufferVector<BufferSize>[nbProcess];
@@ -111,6 +113,9 @@ public:
         delete [] this->kernels;
 
         delete [] this->sendBuffer;
+
+        delete [] leftOffsets;
+        delete [] rightOffsets;
     }
 
     /**

Src/Core/FFmmAlgorithmThreadTsm.hpp

@@ -29,15 +29,14 @@
 * Because this is a Target source model you do not need the P2P to be safe.
 * You should not write on sources in the P2P method!
 */
-template<template< class ParticleClass, class CellClass, int OctreeHeight> class KernelClass,
+template<template< class ParticleClass, class CellClass> class KernelClass,
         class ParticleClass, class CellClass,
-        template<class ParticleClass> class LeafClass,
-        int OctreeHeight, int SubtreeHeight>
+        template<class ParticleClass> class LeafClass>
 class FFmmAlgorithmThreadTsm : protected FAssertable{
     // To reduce the size of variable type based on foctree in this file
-    typedef FOctree<ParticleClass, CellClass, LeafClass, OctreeHeight, SubtreeHeight> Octree;
-    typedef typename FOctree<ParticleClass, CellClass,LeafClass, OctreeHeight, SubtreeHeight>::Iterator OctreeIterator;
-    typedef KernelClass<ParticleClass, CellClass, OctreeHeight> Kernel;
+    typedef FOctree<ParticleClass, CellClass, LeafClass> Octree;
+    typedef typename FOctree<ParticleClass, CellClass,LeafClass>::Iterator OctreeIterator;
+    typedef KernelClass<ParticleClass, CellClass> Kernel;
 
     Octree* const tree;                  //< The octree to work on
     Kernel** kernels;                    //< The kernels
@@ -46,6 +45,8 @@ class FFmmAlgorithmThreadTsm : protected FAssertable{
 
     const int MaxThreads;
 
+    const int OctreeHeight;
+
 public:	
     /** The constructor need the octree and the kernels used for computation
       * @param inTree the octree to work on
@@ -53,13 +54,14 @@ public:
       * An assert is launched if one of the arguments is null
       */
     FFmmAlgorithmThreadTsm(Octree* const inTree, Kernel* const inKernels)
-                      : tree(inTree) , kernels(0), iterArray(0), MaxThreads(omp_get_max_threads()) {
+                      : tree(inTree) , kernels(0), iterArray(0),
+                      MaxThreads(omp_get_max_threads()) , OctreeHeight(tree->getHeight()) {
 
         assert(tree, "tree cannot be null", __LINE__, __FILE__);
 
         this->kernels = new Kernel*[MaxThreads];
         for(int idxThread = 0 ; idxThread < MaxThreads ; ++idxThread){
-            this->kernels[idxThread] = new KernelClass<ParticleClass, CellClass, OctreeHeight>(*inKernels);
+            this->kernels[idxThread] = new KernelClass<ParticleClass, CellClass>(*inKernels);
         }
 
         FDEBUG(FDebug::Controller << "FFmmAlgorithmThreadTsm\n");

Src/Core/FFmmAlgorithmThreadUs.hpp

@@ -29,15 +29,14 @@
 * This algorithms is unsafe for P2P, if you need to write on neigbors
 * this can be a problem.
 */
-template<template< class ParticleClass, class CellClass, int OctreeHeight> class KernelClass,
+template<template< class ParticleClass, class CellClass> class KernelClass,
         class ParticleClass, class CellClass,
-        template<class ParticleClass> class LeafClass,
-        int OctreeHeight, int SubtreeHeight>
+        template<class ParticleClass> class LeafClass>
 class FFmmAlgorithmThreadUs : protected FAssertable{
     // To reduce the size of variable type based on foctree in this file
-    typedef FOctree<ParticleClass, CellClass, LeafClass, OctreeHeight, SubtreeHeight> Octree;
-    typedef typename FOctree<ParticleClass, CellClass,LeafClass, OctreeHeight, SubtreeHeight>::Iterator OctreeIterator;
-    typedef KernelClass<ParticleClass, CellClass, OctreeHeight> Kernel;
+    typedef FOctree<ParticleClass, CellClass, LeafClass> Octree;
+    typedef typename FOctree<ParticleClass, CellClass,LeafClass>::Iterator OctreeIterator;
+    typedef KernelClass<ParticleClass, CellClass> Kernel;
 
     Octree* const tree;                  //< The octree to work on
     Kernel** kernels;                    //< The kernels
@@ -46,6 +45,8 @@ class FFmmAlgorithmThreadUs : protected FAssertable{
 
     const int MaxThreads;
 
+    const int OctreeHeight;
+
 public:	
     /** The constructor need the octree and the kernels used for computation
       * @param inTree the octree to work on
@@ -53,13 +54,14 @@ public:
       * An assert is launched if one of the arguments is null
       */
     FFmmAlgorithmThreadUs(Octree* const inTree, Kernel* const inKernels)
-                      : tree(inTree), kernels(0), iterArray(0), MaxThreads(omp_get_max_threads()) {
+                      : tree(inTree), kernels(0), iterArray(0),
+                        MaxThreads(omp_get_max_threads()), OctreeHeight(tree->getHeight()) {
 
         assert(tree, "tree cannot be null", __LINE__, __FILE__);
 
         this->kernels = new Kernel*[MaxThreads];
         for(int idxThread = 0 ; idxThread < MaxThreads ; ++idxThread){
-            this->kernels[idxThread] = new KernelClass<ParticleClass, CellClass, OctreeHeight>(*inKernels);
+            this->kernels[idxThread] = new KernelClass<ParticleClass, CellClass>(*inKernels);
         }
 
         FDEBUG(FDebug::Controller << "FFmmAlgorithmThreadUs\n");

Src/Core/FFmmAlgorithmTsm.hpp

@@ -23,17 +23,18 @@
 *
 * The differences with FmmAlgorithm is that it used target source model.
 */
-template<template< class ParticleClass, class CellClass, int OctreeHeight> class KernelClass,
+template<template< class ParticleClass, class CellClass> class KernelClass,
 class ParticleClass, class CellClass,
-template<class ParticleClass> class LeafClass,
-int OctreeHeight, int SubtreeHeight>
+template<class ParticleClass> class LeafClass>
         class FFmmAlgorithmTsm : protected FAssertable{
     // To reduce the size of variable type based on foctree in this file
-    typedef FOctree<ParticleClass, CellClass, LeafClass, OctreeHeight, SubtreeHeight> Octree;
-    typedef typename FOctree<ParticleClass, CellClass,LeafClass, OctreeHeight, SubtreeHeight>::Iterator FOctreeIterator;
+    typedef FOctree<ParticleClass, CellClass, LeafClass> Octree;
+    typedef typename FOctree<ParticleClass, CellClass,LeafClass>::Iterator FOctreeIterator;
 
     Octree* const tree;                                                     //< The octree to work on
-    KernelClass<ParticleClass, CellClass, OctreeHeight>* const kernels;    //< The kernels
+    KernelClass<ParticleClass, CellClass>* const kernels;    //< The kernels
+
+    const int OctreeHeight;
 
     FDEBUG(FTic counterTime);                                               //< In case of debug: to count the elapsed time
     FDEBUG(FTic computationCounter);                                        //< In case of debug: to  count computation time
@@ -44,8 +45,8 @@ public:
       * @param inKernels the kernels to call
       * An assert is launched if one of the arguments is null
       */
-    FFmmAlgorithmTsm(Octree* const inTree, KernelClass<ParticleClass,CellClass,OctreeHeight>* const inKernels)
-        : tree(inTree) , kernels(inKernels) {
+    FFmmAlgorithmTsm(Octree* const inTree, KernelClass<ParticleClass,CellClass>* const inKernels)
+        : tree(inTree) , kernels(inKernels) , OctreeHeight(tree->getHeight()){
 
         assert(tree, "tree cannot be null", __LINE__, __FILE__);
         assert(kernels, "kernels cannot be null", __LINE__, __FILE__);

Src/Files/FBasicLoader.hpp

@@ -25,7 +25,7 @@
 *        return 1; <br>
 *    } <br>
 * <br>
-*    FOctree<FBasicParticle, TestCell, FSimpleLeaf, 10, 3> tree(loader.getBoxWidth(),loader.getCenterOfBox()); <br>
+*    FOctree<FBasicParticle, TestCell, FSimpleLeaf> tree(loader.getBoxWidth(),loader.getCenterOfBox()); <br>
 * <br>
 *    for(int idx = 0 ; idx < loader.getNumberOfParticles() ; ++idx){ <br>
 *        FBasicParticle* const part = new FBasicParticle(); <br>

Src/Files/FFmaLoader.hpp

@@ -25,7 +25,7 @@
 *        return 1; <br>
 *    } <br>
 * <br>
-*    FOctree<FBasicParticle, TestCell, FSimpleLeaf, 10, 3> tree(loader.getBoxWidth(),loader.getCenterOfBox()); <br>
+*    FOctree<FBasicParticle, TestCell, FSimpleLeaf> tree(loader.getBoxWidth(),loader.getCenterOfBox()); <br>
 * <br>
 *    for(int idx = 0 ; idx < loader.getNumberOfParticles() ; ++idx){ <br>
 *        FBasicParticle* const part = new FBasicParticle(); <br>

Src/Files/FFmaScanfLoader.hpp

@@ -25,7 +25,7 @@
 *        return 1; <br>
 *    } <br>
 * <br>
-*    FOctree<FBasicParticle, TestCell, FSimpleLeaf, 10, 3> tree(loader.getBoxWidth(),loader.getCenterOfBox()); <br>
+*    FOctree<FBasicParticle, TestCell, FSimpleLeaf> tree(loader.getBoxWidth(),loader.getCenterOfBox()); <br>
 * <br>
 *    for(int idx = 0 ; idx < loader.getNumberOfParticles() ; ++idx){ <br>
 *        FBasicParticle* const part = new FBasicParticle(); <br>

Src/Files/FFmaTsmLoader.hpp

@@ -25,7 +25,7 @@
 *        return 1; <br>
 *    } <br>
 * <br>
-*    FOctree<FBasicParticle, TestCell, FSimpleLeaf, 10, 3> tree(loader.getBoxWidth(),loader.getCenterOfBox()); <br>
+*    FOctree<FBasicParticle, TestCell, FSimpleLeaf> tree(loader.getBoxWidth(),loader.getCenterOfBox()); <br>
 * <br>
 *    for(int idx = 0 ; idx < loader.getNumberOfParticles() ; ++idx){ <br>
 *        FBasicParticle* const part = new FBasicParticle(); <br>

Src/Files/FHLoader.hpp

@@ -25,7 +25,7 @@
 *        return 1; <br>
 *    } <br>
 * <br>
-*    FOctree<FBasicParticle, TestCell, FSimpleLeaf, 10, 3> tree(loader.getBoxWidth(),loader.getCenterOfBox()); <br>
+*    FOctree<FBasicParticle, TestCell, FSimpleLeaf> tree(loader.getBoxWidth(),loader.getCenterOfBox()); <br>
 * <br>
 *    for(int idx = 0 ; idx < loader.getNumberOfParticles() ; ++idx){ <br>
 *        FBasicParticle* const part = new FBasicParticle(); <br>

Src/Fmb/FFmbKernels.hpp

@@ -36,8 +36,8 @@ static const int FMB_Info_P = 2;
 *
 * Needs cell to extend {FExtendFmbCell}
 */
-template< class ParticleClass, class CellClass, int TreeHeight>
-class FFmbKernels : public FAbstractKernels<ParticleClass,CellClass, TreeHeight> {
+template< class ParticleClass, class CellClass>
+class FFmbKernels : public FAbstractKernels<ParticleClass,CellClass> {
 protected:
 
     // _GRAVITATIONAL_
@@ -63,16 +63,19 @@ protected:
     // NEXP_SIZE(FMB_Info.P)
     static const int FMB_Info_nexp_size = (FMB_Info_P + 1) * (FMB_Info_P + 1);
 
+    // tree height
+    const int TreeHeight;
+
     // Width of the box at the root level
     FReal treeWidthAtRoot;
 
     // transfer_M2M_container
-    FComplexe transitionM2M[TreeHeight][8][FMB_Info_nexp_size];
+    FComplexe transitionM2M[MaxTreeHeight][8][FMB_Info_nexp_size];
     // transfer_L2L_container
-    FComplexe transitionL2L[TreeHeight][8][FMB_Info_nexp_size];
+    FComplexe transitionL2L[MaxTreeHeight][8][FMB_Info_nexp_size];
 
     // transfer_container
-    FComplexe* transferM2L[TreeHeight][size1Dim][size1Dim][size1Dim];
+    FComplexe* transferM2L[MaxTreeHeight][size1Dim][size1Dim][size1Dim];
 
     //[OK] spherical_harmonic_Outer_coefficients_array
     FReal sphereHarmoOuterCoef[FMB_Info_M2L_P+1];
@@ -144,10 +147,10 @@ protected:
     // transfer_M2L_Allocate