-// Copyright (C) 2007-2014 CEA/DEN, EDF R&D
+// Copyright (C) 2007-2016 CEA/DEN, EDF R&D
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
#ifndef __OVERLAPMAPPING_HXX__
#define __OVERLAPMAPPING_HXX__
-#include "MEDCouplingAutoRefCountObjectPtr.hxx"
+#include "MCAuto.hxx"
+#include "OverlapElementLocator.hxx"
#include <vector>
#include <map>
+//#define DEC_DEBUG
-namespace ParaMEDMEM
+namespace MEDCoupling
{
class ProcessorGroup;
class DataArrayInt;
class MEDCouplingFieldDouble;
+ using namespace std;
+ typedef map<int,double> SparseDoubleVec;
+
+ /*!
+ * Internal class, not part of the public API.
+ *
+ * Used by the impl of OverlapInterpolationMatrix, plays an equivalent role than what the NxM_Mapping
+ * does for the InterpolationMatrix.
+ */
class OverlapMapping
{
public:
- OverlapMapping(const ProcessorGroup& group);
+
+ OverlapMapping(const ProcessorGroup& group, const OverlapElementLocator& locator);
void keepTracksOfSourceIds(int procId, DataArrayInt *ids);
void keepTracksOfTargetIds(int procId, DataArrayInt *ids);
- void addContributionST(const std::vector< std::map<int,double> >& matrixST, const DataArrayInt *srcIds, int srcProcId, const DataArrayInt *trgIds, int trgProcId);
- void prepare(const std::vector< std::vector<int> >& procsInInteraction, int nbOfTrgElems);
+ void addContributionST(const vector< SparseDoubleVec >& matrixST, const DataArrayInt *srcIds, int srcProcId, const DataArrayInt *trgIds, int trgProcId);
+ void prepare(const vector< int >& procsToSendField, int nbOfTrgElems);
void computeDenoConservativeVolumic(int nbOfTuplesTrg);
- void computeDenoGlobConstraint();
+// void computeDenoIntegralGlobConstraint();
+// void computeDenoIntegral();
+ void computeDenoRevIntegral(const DataArrayDouble & targetAreas);
//
- void multiply(const MEDCouplingFieldDouble *fieldInput, MEDCouplingFieldDouble *fieldOutput) const;
+ void multiply(const MEDCouplingFieldDouble *fieldInput, MEDCouplingFieldDouble *fieldOutput, double default_val) const;
void transposeMultiply(const MEDCouplingFieldDouble *fieldInput, MEDCouplingFieldDouble *fieldOutput);
private:
void serializeMatrixStep0ST(const int *nbOfElemsSrc, int *&bigArr, int *count, int *offsets,
void unserializationST(int nbOfTrgElems, const int *nbOfElemsSrcPerProc, const int *bigArrRecv, const int *bigArrRecvCounts, const int *bigArrRecvOffs,
const int *bigArrRecv2, const double *bigArrDRecv2, const int *bigArrRecv2Count, const int *bigArrRecv2Offs);
void finishToFillFinalMatrixST();
- void prepareIdsToSendST();
- void updateZipSourceIdsForFuture();
- //void printTheMatrix() const;
+ void fillSourceIdsZipReceivedForMultiply();
+
+#ifdef DEC_DEBUG
+ void printMatrixesST() const;
+ void printTheMatrix() const;
+ void printDenoMatrix() const;
+#endif
private:
const ProcessorGroup &_group;
- //! vector of ids
- std::vector< MEDCouplingAutoRefCountObjectPtr<DataArrayInt> > _src_ids_st2;//item #1
- std::vector< int > _src_proc_st2;//item #1
- std::vector< MEDCouplingAutoRefCountObjectPtr<DataArrayInt> > _trg_ids_st2;//item #0
- std::vector< int > _trg_proc_st2;//item #0
- std::vector< int > _nb_of_src_ids_proc_st2;//item #1
- std::vector< int > _src_ids_proc_st2;//item #1
- std::vector< std::vector<int> > _src_ids_zip_st2;//same size as _src_ids_zip_proc_st2. Sorted. specifies for each id the corresponding ids to send. This is for item0 of Step2 of main algorithm
- std::vector< int > _src_ids_zip_proc_st2;
- //! vector of matrixes the first entry correspond to source proc id in _source_ids_st
- std::vector< std::vector< std::map<int,double> > > _matrixes_st;
- std::vector< std::vector<int> > _source_ids_st;
- std::vector< int > _source_proc_id_st;
- std::vector< std::vector<int> > _target_ids_st;
- std::vector< int > _target_proc_id_st;
- //! the matrix for matrix-vector product. The first dimension the set of target procs that interacts with local source mesh. The second dimension correspond to nb of local source ids.
- std::vector< std::vector< std::map<int,double> > > _the_matrix_st;
- std::vector< int > _the_matrix_st_source_proc_id;
- std::vector< std::vector<int> > _the_matrix_st_source_ids;
- std::vector< std::vector< std::map<int,double> > > _the_deno_st;
- //! this attribute stores the proc ids that wait for data from this proc ids for matrix-vector computation
- std::vector< int > _proc_ids_to_send_vector_st;
- std::vector< int > _proc_ids_to_recv_vector_st;
- //! this attribute is of size _group.size(); for each procId in _group _source_ids_to_send_st[procId] contains tupleId to send abroad
- std::vector< std::vector<int> > _source_ids_to_send_st;
+ const OverlapElementLocator& _locator;
+
+ /**! Map of DAInt of cell identifiers. For a proc ID i,
+ * gives an old2new map for the local part of the source mesh that has been sent to proc#i, just based on the
+ * bounding box computation (this is potentially a larger set than what is finally in the interp matrix).
+ * Second member gives proc ID. */
+ map < int, MCAuto<DataArrayInt> > _sent_src_ids;
+
+ //! See _sent_src_ids. Same for target mesh.
+ map < int, MCAuto<DataArrayInt> > _sent_trg_ids;
+
+ /**! Vector of matrixes (partial interpolation ratios), result of the LOCAL interpolator run.
+ * Indexing shared with _source_proc_id_st, and _target_proc_id_st. */
+ vector< vector< SparseDoubleVec > > _matrixes_st;
+ //! See _matrixes_st - vec of source proc IDs
+ vector< int > _source_proc_id_st;
+ //! See _matrixes_st - vec of target proc IDs
+ vector< int > _target_proc_id_st;
+
+ /**! Number of received source mesh IDs at mesh data exchange.
+ Counting the number of IDs suffices, as we just need this to prepare the receive side, when doing the final vector matrix multiplication.
+ First dimension is the remote proc ID from which we received. */
+ map <int, int > _nb_of_rcv_src_ids;
+
+ /**! Specifies for each (target) remote proc ID (first dim of the map) the corresponding
+ * source cell IDs to use.
+ * This information is stored from the *locally* COMPuted matrices, and corresponds hence to field value that will need to
+ * sent later on, if this matrix bit itself is sent aways. */
+ map<int, vector<int> > _src_ids_zip_comp;
+
+ /**! Same idea as _src_ids_zip_comp above, but for RECEIVED matrix. */
+ map<int, vector<int> > _src_ids_zip_recv;
+
+ /**! THE matrix for matrix-vector product. The first dimension is indexed in the set of target procs
+ * that interacts with local source mesh. The second dim is the target cell ID.
+ * Same indexing as _the_matrix_st_source_proc_id and _the_deno_st.
+ * We don't use a map here to be more efficient in the final matrix-vector computation which requires the joint
+ * taversal of _the_matrix_st and _the_deno_st.
+ * This matrix is filled after receival from other procs, contrary to _matrixes_st which contains local computations.*/
+ vector< vector< SparseDoubleVec > > _the_matrix_st;
+ //! See _the_matrix_st above. List of source proc IDs contributing to _the_matrix_st
+ vector< int > _the_matrix_st_source_proc_id;
+ // Denominators (computed from the numerator matrix). As for _the_matrix_st it is paired with _the_matrix_st_source_proc_id
+ vector< vector< SparseDoubleVec > > _the_deno_st;
+
+ //! Proc IDs to which data will be sent (originating this current proc) for matrix-vector computation
+ vector< int > _proc_ids_to_send_vector_st;
};
}
