mesh_pmf_file.cpp 50.8 KB
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#include "inmost.h"
#include "io.hpp"

#if defined(USE_MESH)

#if defined(USE_PARALLEL_WRITE_TIME)
#define REPORT_MPI(x) {WriteTab(out_time) << "<MPI><![CDATA[" << #x << "]]></MPI>\n"; x;}
#define REPORT_STR(x) {WriteTab(out_time) << "<TEXT><![CDATA[" << x << "]]></TEXT>\n";}
#define REPORT_VAL(str,x) {WriteTab(out_time) << "<VALUE name=\"" << str << "\"> <CONTENT><![CDATA[" << x << "]]> </CONTENT><CODE><![CDATA[" << #x << "]]></CODE></VALUE>\n";}
#define ENTER_FUNC() long double all_time = Timer(); WriteTab(out_time) << "<FUNCTION name=\"" << __FUNCTION__ << "\" id=\"func" << func_id++ << "\">\n"; Enter();
#define EXIT_FUNC() WriteTab(out_time) << "<TIME>" << Timer() - all_time << "</TIME>\n"; Exit(); WriteTab(out_time) << "</FUNCTION>\n";
#else
#define REPORT_MPI(x) x
#define REPORT_STR(x) 
#define REPORT_VAL(str,x)
#define ENTER_FUNC()
#define EXIT_FUNC() 
#endif


namespace INMOST
{
  typedef char HeaderType;
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	//const HeaderType EndOfData  = 0x01;
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	const HeaderType NodeHeader = 0x02;
	const HeaderType EdgeHeader = 0x03;
	const HeaderType FaceHeader = 0x04;
	const HeaderType CellHeader = 0x05;
	const HeaderType ESetHeader = 0x06;
	const HeaderType TagsHeader = 0x07;
	const HeaderType MeshHeader = 0x08;
	const HeaderType EoMHeader  = 0x09;
	const HeaderType INMOSTFile   = 0x10;
	const HeaderType MeshDataHeader = 0x11;

  
	std::ostream & operator <<(std::ostream & out, HeaderType H)
	{
		out.put(H);
		return out;
	}
	
	std::istream & operator >>(std::istream & in, HeaderType &H)
	{
		in.get(H);
		return in;
	}

  void Mesh::SavePMF(std::string File)
  {
		io_converter<INMOST_DATA_INTEGER_TYPE,INMOST_DATA_REAL_TYPE> iconv;
		io_converter<INMOST_DATA_ENUM_TYPE   ,INMOST_DATA_REAL_TYPE> uconv;
		INMOST_DATA_ENUM_TYPE nlow,nhigh, lid;
		char wetype;
		//~ if( m_state == Mesh::Serial ) SetCommunicator(INMOST_MPI_COMM_WORLD);
		std::stringstream out(std::ios::in | std::ios::out | std::ios::binary);
			
		out << INMOST::INMOSTFile;
		out << INMOST::MeshHeader;
		ReorderEmpty(NODE | EDGE | FACE | CELL | ESET);

		uconv.write_iByteOrder(out);
		uconv.write_iByteSize(out);
		iconv.write_iByteOrder(out);
		iconv.write_iByteSize(out);
		iconv.write_fByteOrder(out);
		iconv.write_fByteSize(out);

		INMOST_DATA_ENUM_TYPE header[9] = 
		{
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			static_cast<INMOST_DATA_ENUM_TYPE>(GetDimensions()), 
			static_cast<INMOST_DATA_ENUM_TYPE>(NumberOfNodes()), 
			static_cast<INMOST_DATA_ENUM_TYPE>(NumberOfEdges()), 
			static_cast<INMOST_DATA_ENUM_TYPE>(NumberOfFaces()), 
			static_cast<INMOST_DATA_ENUM_TYPE>(NumberOfCells()), 
			static_cast<INMOST_DATA_ENUM_TYPE>(NumberOfSets()), 
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			NumberOfTags()-5, //add counter to skip unwanted tags here SKIPHERE, search by SKIPHERE for additional instructions
			m_state, 
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			static_cast<INMOST_DATA_ENUM_TYPE>(GetProcessorRank())
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		},k;
		for(k = 0; k < 9; k++) uconv.write_iValue(out,header[k]);
		out.write(reinterpret_cast<char *>(remember),sizeof(remember));
		

			
		// Tags
		out << INMOST::TagsHeader;
		uconv.write_iValue(out,header[6]);
		REPORT_STR("TagsHeader");
		REPORT_VAL("tag_size",header[6]);
		int tags_written = 0;
		for(Mesh::iteratorTag it = BeginTag(); it != EndTag(); it++)  
		{
			//SKIPHERE
			//don't forget to change header[6] if you skip more
			//should match with content after MeshDataHeader
			if( *it == MarkersTag() ) continue; //temporary fix to protect markers being loaded into hide_marker and then marked elements being destroyed by EndModification
			if( *it == HighConnTag() ) continue;
			if( *it == LowConnTag() ) continue;
			if( *it == CoordsTag() ) continue;
			if( *it == SetNameTag() ) continue;

			std::string name = it->GetTagName();
			INMOST_DATA_ENUM_TYPE namesize = static_cast<INMOST_DATA_BULK_TYPE>(name.size());
			INMOST_DATA_BULK_TYPE datatype = static_cast<INMOST_DATA_BULK_TYPE>(it->GetDataType());
			ElementType sparsemask = NONE;
			ElementType definedmask = NONE;
			INMOST_DATA_ENUM_TYPE datalength = it->GetSize();
			for(ElementType current_type = NODE; current_type <= MESH; current_type = current_type << 1)
			{
				if( it->isSparse (current_type) ) sparsemask  |= current_type;
				if( it->isDefined(current_type) ) definedmask |= current_type;
			}
			uconv.write_iValue(out,namesize);
			out.write(name.c_str(), name.size());
			out.put(datatype);
			out.put(sparsemask);
			out.put(definedmask);
			uconv.write_iValue(out,datalength);
			++tags_written;
		}
		assert(tags_written == header[6]);


		Tag set_id = CreateTag("TEMPORARY_ELEMENT_ID_PMF_WRITER",DATA_INTEGER,ESET|CELL|FACE|EDGE|NODE,NONE,1);
		{
			Storage::integer cur_num = 0;
			for(Mesh::iteratorNode it = BeginNode(); it != EndNode(); ++it) it->IntegerDF(set_id) = cur_num++;
			cur_num = 0;
			for(Mesh::iteratorEdge it = BeginEdge(); it != EndEdge(); ++it) it->IntegerDF(set_id) = cur_num++;
			cur_num = 0;
			for(Mesh::iteratorFace it = BeginFace(); it != EndFace(); ++it) it->IntegerDF(set_id) = cur_num++;
			cur_num = 0;
			for(Mesh::iteratorCell it = BeginCell(); it != EndCell(); ++it) it->IntegerDF(set_id) = cur_num++;
			cur_num = 0;
			for(Mesh::iteratorSet it = BeginSet(); it != EndSet(); ++it) it->IntegerDF(set_id) = cur_num++;
		}


		// Nodes 
		out << INMOST::NodeHeader;
		uconv.write_iValue(out,header[1]);
		REPORT_STR("NodeHeader");
		REPORT_VAL("node_size",header[1]);
		for(Mesh::iteratorNode it = BeginNode(); it != EndNode(); it++) 
		{
			Storage::real_array coords = it->Coords();
			for(Storage::real_array::size_type it = 0; it < coords.size(); it++)
				iconv.write_fValue(out,coords[it]);
		}
		
		// Edges
		out << INMOST::EdgeHeader;
		uconv.write_iValue(out,header[2]);
		REPORT_STR("EdgeHeader");
		REPORT_VAL("edge_size",header[2]);
			
		for(Mesh::iteratorEdge it = BeginEdge(); it != EndEdge(); it++) 
		{
			Element::adj_type & lc = LowConn(*it);
			nlow = static_cast<INMOST_DATA_ENUM_TYPE>(lc.size());
			uconv.write_iValue(out,nlow);
			for(Element::adj_type::size_type kt = 0; kt < lc.size(); ++kt)
			{
				lid = IntegerDF(lc[kt],set_id);
				uconv.write_iValue(out,lid);
			}
		}
		
		// Faces
		out << INMOST::FaceHeader;
		uconv.write_iValue(out,header[3]);
		REPORT_STR("FaceHeader");
		REPORT_VAL("face_size",header[3]);
		for(Mesh::iteratorFace it = BeginFace(); it != EndFace(); it++) 
		{
			Element::adj_type & lc = LowConn(*it);
			nlow = static_cast<INMOST_DATA_ENUM_TYPE>(lc.size());
			uconv.write_iValue(out,nlow);
			for(Element::adj_type::size_type kt = 0; kt < lc.size(); ++kt)
			{
				lid = IntegerDF(lc[kt],set_id);
				uconv.write_iValue(out,lid);
			}
		}
		
		// Cells
		out << INMOST::CellHeader;
		uconv.write_iValue(out,header[4]);
		REPORT_STR("CellHeader");
		REPORT_VAL("cell_size",header[4]);
		for(Mesh::iteratorCell it = BeginCell(); it != EndCell(); it++) 
		{
			Element::adj_type & lc = LowConn(*it);
			nlow = static_cast<INMOST_DATA_ENUM_TYPE>(lc.size());
			uconv.write_iValue(out,nlow);
			for(Element::adj_type::size_type kt = 0; kt < lc.size(); ++kt)
			{
				lid = IntegerDF(lc[kt],set_id);
				uconv.write_iValue(out,lid);
			}
			Element::adj_type & hc = HighConn(*it);
			nhigh = static_cast<INMOST_DATA_ENUM_TYPE>(hc.size());
			uconv.write_iValue(out,nhigh);
			for(Element::adj_type::size_type kt = 0; kt < hc.size(); ++kt)
			{
				lid = IntegerDF(hc[kt],set_id);
				uconv.write_iValue(out,lid);
			}
		}
		
		// Element Sets
		out << INMOST::ESetHeader;
		REPORT_STR("ESetHeader");
		REPORT_VAL("eset_size",header[5]);
		uconv.write_iValue(out,header[5]);
		for(Mesh::iteratorSet it = BeginSet(); it != EndSet(); ++it) 
		{
			std::string name = it->GetName();
			INMOST_DATA_ENUM_TYPE name_size = static_cast<INMOST_DATA_ENUM_TYPE>(name.size());
			assert(name_size < 4096);
			uconv.write_iValue(out,name_size);
			out.write(name.c_str(),name.size());
			Element::adj_type & lc = LowConn(it->GetHandle());
			uconv.write_iValue(out,static_cast<enumerator>(lc.size()));
			for(Element::adj_type::iterator kt = lc.begin(); kt != lc.end(); ++kt)
			{
				if( *kt != InvalidHandle() )
				{
					wetype = GetHandleElementType(*kt);
					out.put(wetype);
          assert(wetype != NONE);
          lid = IntegerDF(*kt,set_id);
					uconv.write_iValue(out,lid);
				}
				else out.put(NONE);
			}
			Element::adj_type & hc = HighConn(it->GetHandle());
			//write tree information
			uconv.write_iValue(out,static_cast<enumerator>(hc.size()));
			for(Element::adj_type::iterator kt = hc.begin(); kt != hc.begin()+ElementSet::high_conn_reserved-1; ++kt)
			{
				if( *kt != InvalidHandle() )
				{
					wetype = GetHandleElementType(*kt);
					out.put(wetype);
          assert(wetype != NONE);
					lid = IntegerDF(*kt,set_id);
					uconv.write_iValue(out,lid);
				}
				else out.put(NONE);
			}
			//write additional information
			for(Element::adj_type::iterator kt = hc.begin()+ElementSet::high_conn_reserved-1; kt != hc.end(); ++kt)
			{
        uconv.write_iValue(out,*kt);
			}
		}
		
		out << INMOST::MeshDataHeader;
		REPORT_STR("MeshDataHeader");

		for(Mesh::iteratorTag jt = BeginTag(); jt != EndTag(); jt++) 
		{
			std::string tagname = jt->GetTagName();
			//skipping should match with header[6] and content
			// after TagsHeader
			//SKIPHERE
			if( *jt == set_id ) continue;
			if( *jt == HighConnTag() ) continue;
			if( *jt == LowConnTag() ) continue;
			if( *jt == MarkersTag() ) continue;
			if( *jt == CoordsTag() ) continue;
			if( *jt == SetNameTag() ) continue;
			REPORT_VAL("TagName",tagname);
			for(ElementType etype = NODE; etype <= MESH; etype = etype << 1)
				if( jt->isDefined(etype) ) 
				{
					INMOST_DATA_ENUM_TYPE q = 0;
					INMOST_DATA_ENUM_TYPE tagsize = jt->GetSize(), recsize = tagsize, lid, k;
					DataType data_type = jt->GetDataType();
					bool sparse = jt->isSparse(etype);
					for(Mesh::iteratorStorage it = Begin(etype); it != End(); it++) 
					{
						if( !sparse || (sparse && it->HaveData(*jt)) )
						{
							if( sparse ) uconv.write_iValue(out,q);
							if( tagsize == ENUMUNDEF )
							{
								recsize = it->GetDataSize(*jt);
								uconv.write_iValue(out,recsize);
							}
							switch(data_type)
							{
							case DATA_REAL:
								{
									Storage::real_array arr = it->RealArray(*jt);
									for(k = 0; k < recsize; k++)
										uconv.write_fValue(out,arr[k]);
								} break;
							case DATA_INTEGER:
								{
									Storage::integer_array arr = it->IntegerArray(*jt);
									for(k = 0; k < recsize; k++)
										uconv.write_iValue(out,arr[k]);
								} break;
							case DATA_BULK:
								{
									out.write(reinterpret_cast<char *>(&it->Bulk(*jt)),recsize);
								} break;
							case DATA_REFERENCE:
								{
									Storage::reference_array arr = it->ReferenceArray(*jt);
									for(k = 0; k < recsize; k++)
									{
										if( arr[k].isValid() )
										{
											wetype = arr[k].GetElementType();
											out.put(wetype);
											lid = IntegerDF(arr[k]->GetHandle(),set_id);
											uconv.write_iValue(out,lid);
										}
										else out.put(NONE);
									}
								} break;
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              case DATA_REMOTE_REFERENCE:
								{
									Storage::remote_reference_array arr = it->RemoteReferenceArray(*jt);
									for(k = 0; k < recsize; k++)
									{
										if( arr[k].isValid() )
										{
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                      uconv.write_iValue(out,static_cast<INMOST_DATA_ENUM_TYPE>(arr[k].GetMeshLink()->GetMeshName().size()));
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                      out.write(arr[k].GetMeshLink()->GetMeshName().c_str(),arr[k].GetMeshLink()->GetMeshName().size());
											wetype = arr[k].GetElementType();
											out.put(wetype);
											lid = IntegerDF(arr[k]->GetHandle(),set_id);
											uconv.write_iValue(out,lid);
										}
										else out.put(NONE);
									}
								} break;
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#if defined(USE_AUTODIFF)
              case DATA_VARIABLE:
								{
									Storage::var_array arr = it->VariableArray(*jt);
									for(k = 0; k < recsize; k++)
									{
                    const Sparse::Row & r = arr[k].GetRow();
                    uconv.write_fValue(out,arr[k].GetValue());
                    uconv.write_iValue(out,arr[k].GetRow().Size());
                    for(int m = 0; m < (int)r.Size(); ++m)
                    {
                      uconv.write_fValue(out,r.GetValue(m));
                      uconv.write_iValue(out,r.GetIndex(m));
                    }
									}
								} break;
#endif
							}
						}
						q++;
					}
					if( sparse ) uconv.write_iValue(out,q);
				}
		}
		DeleteTag(set_id);
		
		out << INMOST::EoMHeader;
#if defined(USE_MPI)
		if( m_state == Mesh::Parallel )
		{
			REPORT_STR("Parallel write");
			int ierr;
			INMOST_DATA_ENUM_TYPE numprocs = GetProcessorsNumber(), datasize = static_cast<INMOST_DATA_ENUM_TYPE>(out.tellp()),k;
			std::vector<INMOST_DATA_ENUM_TYPE> datasizes(numprocs,0);
			REPORT_VAL("local_write_file_size",datasize);
			REPORT_MPI(ierr = MPI_Gather(&datasize,1,INMOST_MPI_DATA_ENUM_TYPE,&datasizes[0],1,INMOST_MPI_DATA_ENUM_TYPE,0,GetCommunicator()));
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			if( ierr != MPI_SUCCESS ) MPI_Abort(GetCommunicator(),__LINE__);
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#if defined(USE_MPI_FILE) //We have access to MPI_File
			if( parallel_file_strategy == 1 )
			{
				MPI_File fh;
				MPI_Status stat;
				REPORT_MPI(ierr = MPI_File_open(GetCommunicator(),const_cast<char *>(File.c_str()), MPI_MODE_CREATE | MPI_MODE_DELETE_ON_CLOSE | MPI_MODE_WRONLY, MPI_INFO_NULL, &fh));
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				if( ierr != MPI_SUCCESS ) MPI_Abort(GetCommunicator(),__LINE__);
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				REPORT_MPI(ierr = MPI_File_close(&fh));
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				if( ierr != MPI_SUCCESS ) MPI_Abort(GetCommunicator(),__LINE__);
                REPORT_MPI(ierr = MPI_Barrier(GetCommunicator()));
				if( ierr != MPI_SUCCESS ) MPI_Abort(GetCommunicator(),__LINE__);
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				REPORT_MPI(ierr = MPI_File_open(GetCommunicator(),const_cast<char *>(File.c_str()),MPI_MODE_CREATE | MPI_MODE_WRONLY,MPI_INFO_NULL,&fh));
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				if( ierr != MPI_SUCCESS ) MPI_Abort(GetCommunicator(),__LINE__);
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				if( GetProcessorRank() == 0 )
				{
					std::stringstream header;
					header.put(INMOST::INMOSTFile);
					uconv.write_iByteOrder(header);
					uconv.write_iByteSize(header);
					uconv.write_iValue(header,numprocs);
					for(k = 0; k < numprocs; k++) uconv.write_iValue(header,datasizes[k]);

					std::string header_data(header.str());
					REPORT_MPI(ierr = MPI_File_write_shared(fh,&header_data[0],static_cast<INMOST_MPI_SIZE>(header_data.size()),MPI_CHAR,&stat));
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					if( ierr != MPI_SUCCESS ) MPI_Abort(GetCommunicator(),__LINE__);
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				}
				{
					std::string local_data(out.str());
					REPORT_MPI(ierr = MPI_File_write_ordered(fh,&local_data[0],static_cast<INMOST_MPI_SIZE>(local_data.size()),MPI_CHAR,&stat));
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					if( ierr != MPI_SUCCESS ) MPI_Abort(GetCommunicator(),__LINE__);
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				}

				REPORT_MPI(ierr = MPI_File_close(&fh));
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				if( ierr != MPI_SUCCESS ) MPI_Abort(GetCommunicator(),__LINE__);
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			}
			else
#endif
			{
				std::vector<INMOST_MPI_SIZE> displs(numprocs),recvcounts(numprocs);
				std::string file_contents;
				std::string local_data(out.str());
				if( GetProcessorRank() == 0 )
				{
					recvcounts[0] = static_cast<INMOST_MPI_SIZE>(datasizes[0]);
					displs[0] = 0;
					int sizesum = recvcounts[0];
					for(k = 1; k < numprocs; k++)
					{
						recvcounts[k] = static_cast<INMOST_MPI_SIZE>(datasizes[k]);
						displs[k] = displs[k-1]+recvcounts[k-1];
						sizesum += recvcounts[k];
					}
					file_contents.resize(sizesum);
				}
				else file_contents.resize(1); //protect from accessing bad pointer
				REPORT_MPI(ierr = MPI_Gatherv(&local_data[0],static_cast<INMOST_MPI_SIZE>(local_data.size()),MPI_CHAR,&file_contents[0],&recvcounts[0],&displs[0],MPI_CHAR,0,GetCommunicator()));
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				if( ierr != MPI_SUCCESS ) MPI_Abort(GetCommunicator(),__LINE__);
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				if( GetProcessorRank() == 0 )
				{
					std::fstream fout(File.c_str(),std::ios::out | std::ios::binary);
					fout.put(INMOST::INMOSTFile);
					uconv.write_iByteOrder(fout);
					uconv.write_iByteSize(fout);
					uconv.write_iValue(fout,numprocs);
					for(k = 0; k < numprocs; k++) uconv.write_iValue(fout,datasizes[k]);
					fout.write(&file_contents[0],file_contents.size());
					fout.close();
				}
			}
		}
		else
#endif
		{
			REPORT_STR("Serial write");
			std::fstream fout(File.c_str(),std::ios::out | std::ios::binary);
			INMOST_DATA_ENUM_TYPE numprocs = 1, datasize = static_cast<INMOST_DATA_ENUM_TYPE>(out.tellp());
			REPORT_VAL("write_file_size",datasize);
			fout.put(INMOST::INMOSTFile);
			uconv.write_iByteOrder(fout);
			uconv.write_iByteSize(fout);
			uconv.write_iValue(fout,numprocs);
			uconv.write_iValue(fout,datasize);
			fout << out.rdbuf();
			fout.close();
		}
			
	}


  void Mesh::LoadPMF(std::string File)
  {
    int verbosity = 0;
		for(INMOST_DATA_ENUM_TYPE k = 0; k < file_options.size(); ++k)
		{
			if( file_options[k].first == "VERBOSITY" )
			{
				verbosity = atoi(file_options[k].second.c_str());
				if( verbosity < 0 || verbosity > 2 )
				{
					printf("%s:%d Unknown verbosity option: %s\n",__FILE__,__LINE__,file_options[k].second.c_str());
					verbosity = 1;
				}
			}
		}
    //std::cout << "parallel strategy " << parallel_strategy << " file strategy " << parallel_file_strategy << std::endl;
		io_converter<INMOST_DATA_INTEGER_TYPE,INMOST_DATA_REAL_TYPE> iconv;
		io_converter<INMOST_DATA_ENUM_TYPE   ,INMOST_DATA_REAL_TYPE> uconv;
		REPORT_STR("start load pmf");
		dynarray<INMOST_DATA_ENUM_TYPE,128> myprocs;
		std::stringstream in(std::ios::in | std::ios::out | std::ios::binary);
		HeaderType token;
#if defined(USE_MPI)
		if( m_state == Mesh::Parallel )
		{
#if defined(USE_MPI_FILE)
			if( parallel_file_strategy == 1 )
			{
        REPORT_STR("strategy 1");
				int ierr;
				std::vector<char> buffer;
				MPI_File fh;
				MPI_Status stat;
				REPORT_MPI(ierr = MPI_File_open(GetCommunicator(),const_cast<char *>(File.c_str()),MPI_MODE_RDONLY,MPI_INFO_NULL,&fh));
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				if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
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				INMOST_DATA_ENUM_TYPE numprocs = GetProcessorsNumber(), recvsize = 0, mpirank = GetProcessorRank();
        REPORT_VAL("number of processors",numprocs);
        REPORT_VAL("rank of processor", mpirank);
				std::vector<INMOST_DATA_ENUM_TYPE> recvsizes;
				if( mpirank == 0 ) //the alternative is to read alltogether
				{
					INMOST_DATA_ENUM_TYPE datanum, chunk,pos,k,q;
					std::stringstream header;
						
					buffer.resize(3);
					//ierr = MPI_File_read_all(fh,&buffer[0],3,MPI_CHAR,&stat);
					REPORT_MPI(ierr = MPI_File_read_shared(fh,&buffer[0],3,MPI_CHAR,&stat));
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					if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
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					if( static_cast<HeaderType>(buffer[0]) != INMOST::INMOSTFile ) throw BadFile;

					header.write(&buffer[1],2);
					uconv.read_iByteOrder(header);
					uconv.read_iByteSize(header);

          REPORT_VAL("integer_byte_order",uconv.str_iByteOrder(uconv.get_iByteOrder()));
          REPORT_VAL("integer_byte_size",(int)uconv.get_iByteSize());
        

					buffer.resize(uconv.get_source_iByteSize());
					//ierr = MPI_File_read_all(fh,&buffer[0],buffer.size(),MPI_CHAR,&stat);
					REPORT_MPI(ierr = MPI_File_read_shared(fh,&buffer[0],static_cast<INMOST_MPI_SIZE>(buffer.size()),MPI_CHAR,&stat));
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					if( ierr != MPI_SUCCESS ) MPI_Abort(GetCommunicator(),__LINE__);
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          header.write(&buffer[0],buffer.size());
					uconv.read_iValue(header,datanum);

          REPORT_VAL("number of data entries",datanum);

					buffer.resize(datanum*uconv.get_source_iByteSize());
					std::vector<INMOST_DATA_ENUM_TYPE> datasizes(datanum);
					//ierr = MPI_File_read_all(fh,&buffer[0],buffer.size(),MPI_CHAR,&stat);
					REPORT_MPI(ierr = MPI_File_read_shared(fh,&buffer[0],static_cast<INMOST_MPI_SIZE>(buffer.size()),MPI_CHAR,&stat));
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					if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
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          INMOST_DATA_ENUM_TYPE datasum = 0;
					header.write(&buffer[0],buffer.size());
					for(k = 0; k < datanum; k++) 
          {
            uconv.read_iValue(header,datasizes[k]);
            REPORT_VAL("size of data entry " << k,datasizes[k]);
            datasum += datasizes[k];
          }
          REPORT_VAL("total size",datasum);

					// use this commented code when all processors read the file alltogether through MPI_File_read_all
					//{
					//	MPI_Offset off;
					//	ierr = MPI_File_get_position(fh,&off);
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					//	if( ierr != MPI_SUCCESS ) MPI_Abort(GetCommunicator(),__LINE__);
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					//	ierr = MPI_File_seek_shared( fh, off, MPI_SEEK_SET );
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					//	if( ierr != MPI_SUCCESS ) MPI_Abort(GetCommunicator(),__LINE__);
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					//}
					//if( datanum <= numprocs )
					//{
					//	if( mpirank < datanum )
					//		recvsize = datasizes[mpirank];
					//}
					//else
					//{
					//	chunk = static_cast<INMOST_DATA_ENUM_TYPE>(floor(static_cast<double>(datanum)/static_cast<double>(numprocs)));
					//	if( mpirank < numprocs - 1)
					//	{
					//		for(k = chunk*(mpirank); k < chunk*(mpirank+1); k++)
					//			recvsize += datasizes[k];
					//	}
					//	else
					//	{
					//		for(k = chunk*(mpirank); k < datanum; k++)
					//			recvsize += datasizes[k];
					//	}
					//}

					recvsizes.resize(numprocs,0);
					if( datanum <= recvsizes.size() )
					{
            REPORT_STR("number of processors is greater or equal then number of data entries");
						for(k = 0; k < datanum; k++)
							recvsizes[k] = datasizes[k];
					}
					else
					{
            REPORT_STR("number of processors is less then number of data entries - accumulating data");
						chunk = static_cast<INMOST_DATA_ENUM_TYPE>(floor(static_cast<double>(datanum)/static_cast<double>(recvsizes.size())));
            REPORT_VAL("chunk size" ,chunk);
						pos = 0;
						for(k = 0; k < recvsizes.size()-1; k++)
            {
							for(q = 0; q < chunk; q++)
								recvsizes[k] += datasizes[pos++];

              REPORT_VAL("recv on " << k, recvsizes[k]);
            }
						for(k = pos; k < datanum; k++)
							recvsizes[recvsizes.size()-1] += datasizes[k];
            REPORT_VAL("recv on " << recvsizes.size()-1, recvsizes[recvsizes.size()-1]);
					}
				}
				else recvsizes.resize(1,0); //protect from dereferencing null

				REPORT_MPI(ierr = MPI_Scatter(&recvsizes[0],1,INMOST_MPI_DATA_ENUM_TYPE,&recvsize,1,INMOST_MPI_DATA_ENUM_TYPE,0,GetCommunicator()));
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				if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
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        REPORT_VAL("read on current processor",recvsize);

				buffer.resize(std::max(1u,recvsize)); //protect from dereferencing null


				{
					REPORT_MPI(ierr = MPI_File_read_ordered(fh,&buffer[0],static_cast<INMOST_MPI_SIZE>(recvsize),MPI_CHAR,&stat));
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					if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
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					in.write(&buffer[0],recvsize);
				}

				REPORT_MPI(ierr = MPI_File_close(&fh));
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				if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
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			}
			else
#endif
			{

        REPORT_STR("strategy 0");
				int ierr;
				std::vector<char> buffer, local_buffer;
				INMOST_DATA_ENUM_TYPE recvsize;
					
				INMOST_DATA_ENUM_TYPE numprocs = GetProcessorsNumber(),mpirank = GetProcessorRank();
				std::vector<INMOST_DATA_ENUM_TYPE> recvsizes(numprocs,0);
				std::vector<INMOST_MPI_SIZE> sendcnts(numprocs), displs(numprocs);
        REPORT_VAL("number of processors",numprocs);
        REPORT_VAL("rank of processor", mpirank);
				if( mpirank == 0 ) //zero reads everything
				{
					std::fstream fin(File.c_str(),std::ios::in | std::ios::binary);
					fin.get(token);
					if( token != INMOST::INMOSTFile ) throw BadFile;
					uconv.read_iByteOrder(fin);
					uconv.read_iByteSize(fin);

          REPORT_VAL("file position",fin.tellg());

          REPORT_VAL("integer_byte_order",uconv.str_iByteOrder(uconv.get_iByteOrder()));
          REPORT_VAL("integer_byte_size",(int)uconv.get_iByteSize());
        

					INMOST_DATA_ENUM_TYPE datanum,k,q,datasum = 0,chunk,pos;
					uconv.read_iValue(fin,datanum);

          REPORT_VAL("number of data entries",datanum);
          REPORT_VAL("file position",fin.tellg());

					std::vector<INMOST_DATA_ENUM_TYPE> datasizes(datanum);
					for(k = 0; k < datanum; k++) 
					{
						uconv.read_iValue(fin,datasizes[k]);
            REPORT_VAL("size of data entry " << k,datasizes[k]);
						datasum += datasizes[k];
					}

          REPORT_VAL("file position",fin.tellg());

					{
						buffer.resize(datasum);
						fin.read(&buffer[0],buffer.size());
              
					}
          REPORT_VAL("file position",fin.tellg());
          REPORT_VAL("total size",datasum);
					fin.close();


					if( datanum <= recvsizes.size() )
					{
            REPORT_STR("number of processors is greater or equal then number of data entries");
						for(k = 0; k < datanum; k++)
							recvsizes[k] = datasizes[k];
					}
					else
					{
            REPORT_STR("number of processors is less then number of data entries - accumulating data");
						chunk = static_cast<INMOST_DATA_ENUM_TYPE>(floor(static_cast<double>(datanum)/static_cast<double>(recvsizes.size())));
            REPORT_VAL("chunk size" ,chunk);
						pos = 0;
						for(k = 0; k < recvsizes.size()-1; k++)
            {
							for(q = 0; q < chunk; q++)
								recvsizes[k] += datasizes[pos++];
              REPORT_VAL("recv on " << k, recvsizes[k]);
            }
						for(k = pos; k < datanum; k++)
							recvsizes[recvsizes.size()-1] += datasizes[k];
            REPORT_VAL("recv on " << recvsizes.size()-1, recvsizes[recvsizes.size()-1]);
					}

					displs[0] = 0;
					sendcnts[0] = static_cast<INMOST_MPI_SIZE>(recvsizes[0]);
          REPORT_VAL("disp on "<<0,displs[0]);
          REPORT_VAL("send on "<<0,sendcnts[0]);
					for(k = 1; k < numprocs; k++)
					{
						sendcnts[k] = static_cast<INMOST_MPI_SIZE>(recvsizes[k]);
						displs[k] = sendcnts[k-1]+displs[k-1];
            REPORT_VAL("disp on "<<k,displs[k]);
            REPORT_VAL("send on "<<k,sendcnts[k]);
					}
				}
				else 
				{
					//protect from dereferencing null
					buffer.resize(1);
				}
				REPORT_MPI(ierr = MPI_Scatter(&recvsizes[0],1,INMOST_MPI_DATA_ENUM_TYPE,&recvsize,1,INMOST_MPI_DATA_ENUM_TYPE,0,GetCommunicator()));
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				if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
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				local_buffer.resize(std::max(1u,recvsize));

        REPORT_VAL("read on current processor",recvsize);


				REPORT_MPI(ierr = MPI_Scatterv(&buffer[0],&sendcnts[0],&displs[0],MPI_CHAR,&local_buffer[0],recvsize,MPI_CHAR,0,GetCommunicator()));
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				if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
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				in.write(&local_buffer[0],local_buffer.size());
        REPORT_VAL("output position",in.tellg());
			}

		}
		else
#endif
		{
			std::fstream fin(File.c_str(),std::ios::in | std::ios::binary);
			fin.get(token);
			if( token != INMOST::INMOSTFile ) throw BadFile;
			uconv.read_iByteOrder(fin);
			uconv.read_iByteSize(fin);

      REPORT_VAL("file position",fin.tellg());

      REPORT_VAL("integer_byte_order",uconv.str_iByteOrder(uconv.get_iByteOrder()));
      REPORT_VAL("integer_byte_size",(int)uconv.get_iByteSize());
        
			INMOST_DATA_ENUM_TYPE datanum,k,datasum = 0;
			uconv.read_iValue(fin,datanum);

      REPORT_VAL("file position",fin.tellg());

      REPORT_VAL("number of data entries",datanum);

			std::vector<INMOST_DATA_ENUM_TYPE> datasizes(datanum);
			for(k = 0; k < datanum; k++) 
			{
				uconv.read_iValue(fin,datasizes[k]);
        REPORT_VAL("size of data entry " << k,datasizes[k]);
				datasum += datasizes[k];
			}

      REPORT_VAL("file position",fin.tellg());

      REPORT_VAL("total size",datasum);
			{
				std::vector<char> buffer;
				buffer.resize(datasum);
				fin.read(&buffer[0],buffer.size());
				in.write(&buffer[0],buffer.size());
        REPORT_VAL("output position",in.tellg());
			}

      REPORT_VAL("file position",fin.tellg());

			fin.close();
		}
			
		//std::fstream in(File.c_str(),std::ios::in | std::ios::binary);
			
		std::vector<Tag> tags;
    std::vector<ElementType> tags_defined;
    std::vector<ElementType> tags_sparse;
		std::vector<HandleType> old_nodes;
		std::vector<HandleType> new_nodes;
		std::vector<HandleType> new_edges;
		std::vector<HandleType> new_faces;
		std::vector<HandleType> new_cells;
		std::vector<HandleType> new_sets;
		INMOST_DATA_ENUM_TYPE size,i,q;
		TopologyCheck tmp;
		INMOST_DATA_ENUM_TYPE current_dim = GetDimensions();

		bool start = false;
			
		std::map<GeometricData,ElementType> table;
			
		BeginModification();
		
		while (in >> token) 
		{
      REPORT_VAL("output position, loop",in.tellg());
			if( !start ) 
			{
				if( token != INMOST::INMOSTFile ) throw BadFile; //check that this is valid file
				else 
				{
					REPORT_STR("File chunk start read");
					//~ std::cout << "start read" << std::endl;
					tags.clear();
          tags_sparse.clear();
          tags_defined.clear();
					old_nodes.clear();
					old_nodes.resize(NumberOfNodes());
					{
						unsigned qq = 0;
						for(Mesh::iteratorNode it = BeginNode(); it != EndNode(); ++it)
							old_nodes[qq++] = *it;
					}
					if( !old_nodes.empty() ) 
						std::sort(old_nodes.begin(),old_nodes.end(),CentroidComparator(this));
					if( old_nodes.empty() )
					{
						tmp = GetTopologyCheck(DUPLICATE_CELL | DUPLICATE_FACE | DUPLICATE_EDGE); //we expect not to have duplicates
						RemTopologyCheck(DUPLICATE_CELL | DUPLICATE_FACE | DUPLICATE_EDGE);
					}
					else
					{
						tmp = GetTopologyCheck(DUPLICATE_CELL | DUPLICATE_FACE | DUPLICATE_EDGE); //we expect to have duplicates
						SetTopologyCheck(DUPLICATE_CELL | DUPLICATE_FACE | DUPLICATE_EDGE);
					}
						
					start = true;
				}
			}
			else if (token == INMOST::EoMHeader)  
			{
					
				if( !start ) throw BadFile;
				REPORT_STR("File chunk end read");
				//~ std::cout << "end read" << std::endl;
				if( old_nodes.empty() )
				{
					SetTopologyCheck(tmp);
				}
				else
				{
					if( !(tmp & DUPLICATE_CELL) ) RemTopologyCheck(DUPLICATE_CELL);
					if( !(tmp & DUPLICATE_FACE) ) RemTopologyCheck(DUPLICATE_FACE);
					if( !(tmp & DUPLICATE_EDGE) ) RemTopologyCheck(DUPLICATE_EDGE);
				}
				REPORT_VAL("NODE",new_nodes.size());
				REPORT_VAL("EDGE",new_edges.size());
				REPORT_VAL("FACE",new_faces.size());
				REPORT_VAL("CELL",new_cells.size());
				REPORT_VAL("ESET",new_sets.size());
				REPORT_VAL("TAG",tags.size());
				start = false; //probably the next file is in the input
			}
			else if (token == INMOST::MeshHeader)
			{
				REPORT_STR("MeshHeader");
				uconv.read_iByteOrder(in);
				uconv.read_iByteSize(in);
				iconv.read_iByteOrder(in);
				iconv.read_iByteSize(in);
				iconv.read_fByteOrder(in);
				iconv.read_fByteSize(in);

				INMOST_DATA_ENUM_TYPE header[9],k;
				for(k = 0; k < 9; k++)
					uconv.read_iValue(in,header[k]);
					
				{
						
					char rtemp[5][3];
					in.read(reinterpret_cast<char *>(rtemp),sizeof(rtemp));
					for(GeometricData d = CENTROID; d <= BARYCENTER; d++)
						for(ElementType et = EDGE; et <= CELL; et = et << 1)
							if( rtemp[d][ElementNum(et)-1] ) table[d] |= et;
						
				}

					
				current_dim = header[0];
				SetDimensions(header[0]);
				new_nodes.clear();
				new_nodes.resize(header[1]);
				new_edges.clear();
				new_edges.resize(header[2]);
				new_faces.clear();
				new_faces.resize(header[3]);
				new_cells.clear();
				new_cells.resize(header[4]);
				new_sets.clear();
				new_sets.resize(header[5]);
				tags.resize(header[6]);
        tags_sparse.resize(header[6]);
        tags_defined.resize(header[6]);
				//~ if( static_cast<Mesh::MeshState>(header[7]) == Mesh::Parallel && m_state != Mesh::Parallel)
					//~ SetCommunicator(INMOST_MPI_COMM_WORLD);
				myprocs.push_back(header[8]);
			}
			else if (token == INMOST::TagsHeader)
			{
				uconv.read_iValue(in,size);
				REPORT_STR("TagsHeader");
				REPORT_VAL("tag_size",size);
				for(i = 0; i < size; i++) 
				{
					INMOST_DATA_ENUM_TYPE namesize;
					char name[4096];
					char datatype;
					char sparsemask,definedmask;
					INMOST_DATA_ENUM_TYPE datalength;
					uconv.read_iValue(in,namesize);
					in.read(name, namesize);
					assert(namesize < 4096);
					name[namesize] = '\0';
          REPORT_VAL("tag name",name);
					in.get(datatype);
          REPORT_VAL("tag data type",DataTypeName(static_cast<DataType>(datatype)));
					in.get(sparsemask);
					in.get(definedmask);
          //for(ElementType etype = NODE; etype <= MESH; etype = NextElementType(etype) )
          //{
          //  if( etype & definedmask ) REPORT_VAL("defined on",ElementTypeName(etype));
          //  if( etype & sparsemask ) REPORT_VAL("sparse on",ElementTypeName(etype));
          //}
					uconv.read_iValue(in,datalength);
          REPORT_VAL("length",datalength);
					tags[i] = CreateTag(std::string(name),static_cast<DataType>(datatype),
						                  static_cast<ElementType>(definedmask),
						                  static_cast<ElementType>(sparsemask),datalength);
          tags_defined[i] = static_cast<ElementType>(definedmask);
          tags_sparse[i] = static_cast<ElementType>(sparsemask);

          REPORT_VAL("output position, tag " << i,in.tellg());
				}
			}
			else if (token == INMOST::NodeHeader)
			{
				uconv.read_iValue(in,size);
				assert(size == new_nodes.size());
				REPORT_STR("NodeHeader");
				REPORT_VAL("node_size",size);
				Storage::real coords[3] = {0,0,0};
				for(i = 0; i < size; i++) 
				{
					for(unsigned int k = 0; k < current_dim; k++) iconv.read_fValue(in,coords[k]);
					int find = -1;
					if( !old_nodes.empty() ) 
					{
						std::vector<HandleType>::iterator it = std::lower_bound(old_nodes.begin(),old_nodes.end(),coords,CentroidComparator(this));
						if( it != old_nodes.end() ) 
						{
							Storage::real_array c = RealArrayDF(*it,CoordsTag());
							if( CentroidComparator(this).Compare(coords,c.data()) == 0 )
								find = static_cast<int>(it - old_nodes.begin());
						}
					}
					if( find == -1 ) new_nodes[i] = CreateNode(coords)->GetHandle();
					else  new_nodes[i] = old_nodes[find];
				}

        REPORT_VAL("output position, nodes",in.tellg());
			}
			else if (token == INMOST::EdgeHeader)
			{
				uconv.read_iValue(in,size);
				assert(size == new_edges.size());
				REPORT_STR("EdgeHeader");
				REPORT_VAL("edge_size",size);
				INMOST_DATA_ENUM_TYPE nlow, lid, i;
				ElementArray<Node> sub_elements(this);
				for(i = 0; i < size; i++) 
				{
					uconv.read_iValue(in,nlow);
					for(q = 0; q < nlow; q++)
					{
						uconv.read_iValue(in,lid);
						sub_elements.push_back(new_nodes[lid]);
					}
					new_edges[i] = CreateEdge(sub_elements).first->GetHandle();
					sub_elements.clear();
				}

        REPORT_VAL("output position, edges",in.tellg());
			}
			else if (token == INMOST::FaceHeader)
			{
				uconv.read_iValue(in,size);
				assert(size == new_faces.size());
				REPORT_STR("FaceHeader");
				REPORT_VAL("face_size",size);
				INMOST_DATA_ENUM_TYPE nlow,lid,i;
				ElementArray<Edge> sub_elements(this);
				for(i = 0; i < size; i++) 
				{
					uconv.read_iValue(in,nlow);
					for(q = 0; q < nlow; q++)
					{
						uconv.read_iValue(in,lid);
						sub_elements.push_back(new_edges[lid]);
					}
					new_faces[i] = CreateFace(sub_elements).first->GetHandle();
					sub_elements.clear();
				}

        REPORT_VAL("output position, faces",in.tellg());
			}
			else if (token == INMOST::CellHeader)
			{
				uconv.read_iValue(in,size);
				assert(size == new_cells.size());
				REPORT_STR("CellHeader");
				REPORT_VAL("cell_size",size);
				INMOST_DATA_ENUM_TYPE nlow, nhigh,lid;
				ElementArray<Face> sub_elements(this);
				ElementArray<Node> suggest_nodes(this);
				for(unsigned i = 0; i < size; i++) 
				{
					uconv.read_iValue(in,nlow);
					for(q = 0; q < nlow; q++)
					{
						uconv.read_iValue(in,lid);
						sub_elements.push_back(new_faces[lid]);
					}
					uconv.read_iValue(in,nhigh);
					for(q = 0; q < nhigh; q++)
					{
						uconv.read_iValue(in,lid);
						suggest_nodes.push_back(new_nodes[lid]);
					}
					new_cells[i] = CreateCell(sub_elements, suggest_nodes).first->GetHandle();
					sub_elements.clear();
					suggest_nodes.clear();
				}

        REPORT_VAL("output position, cells",in.tellg());
			}
			else if (token == INMOST::ESetHeader)
			{
				uconv.read_iValue(in,size);
				assert(size == new_sets.size());
				REPORT_STR("EsetHeader");
				REPORT_VAL("eset_size",size);
				INMOST_DATA_ENUM_TYPE set_size, name_size, lid,val;
				char set_name[4096];
				HandleType * elem_links[4] =
				{
					new_nodes.empty() ? NULL : &new_nodes[0],
					new_edges.empty() ? NULL : &new_edges[0],
					new_faces.empty() ? NULL : &new_faces[0],
					new_cells.empty() ? NULL : &new_cells[0]
				};
				bool low_conn_have_sets = false;
				bool high_conn_have_sets = false;
				for(unsigned i = 0; i < size; i++) 
				{
					uconv.read_iValue(in,name_size);
					in.read(set_name,name_size);
					assert(name_size < 4096);
					set_name[name_size] = '\0';
					new_sets[i] = CreateSet(std::string(set_name)).first->GetHandle();
					Element::adj_type & lc = LowConn(new_sets[i]);
					uconv.read_iValue(in,set_size);
					lc.resize(set_size);
					for(q = 0; q < set_size; ++q)
					{
						char type;
						in.get(type);
						if( type != 0 )
						{
							uconv.read_iValue(in,lid);
							if( static_cast<ElementType>(type) != ESET )
								lc[q] = elem_links[ElementNum(static_cast<ElementType>(type))][lid];
							else
							{
								lc[q] = ComposeHandle(static_cast<ElementType>(type),lid);
								low_conn_have_sets = true;
							}
						}
						else lc[q] = InvalidHandle();
					}
					Element::adj_type & hc = HighConn(new_sets[i]);
					//write tree information
					uconv.read_iValue(in,set_size);
					hc.resize(set_size);
					for(q = 0; q < ElementSet::high_conn_reserved-1; ++q)
					{
						char type;
						in.get(type);
						if( type != 0 )
						{
							uconv.read_iValue(in,lid);
							hc[q] = ComposeHandle(static_cast<ElementType>(type),static_cast<integer>(lid));
							high_conn_have_sets = true;
						}
						else hc[q] = InvalidHandle();
					}
					for(q = ElementSet::high_conn_reserved-1; q < set_size; ++q)
					{
						uconv.read_iValue(in,val);
						hc[q] = val;
					}
				}
				//convert handles to sets into links to new_sets
				if( high_conn_have_sets )
				{
					for(unsigned i = 0; i < size; i++) 
					{
						Element::adj_type & hc = HighConn(new_sets[i]);
						for(enumerator j = 0; j < ElementSet::high_conn_reserved-1; ++j)
							if( hc[j] != InvalidHandle() )
								hc[j] = new_sets[GetHandleID(hc[j])];
					}
				}
				if( low_conn_have_sets ) //this may be expensive and redundant in some cases
				{
					for(unsigned i = 0; i < size; i++) 
					{
						Element::adj_type & lc = LowConn(new_sets[i]);
						for(Element::adj_type::size_type j = 0; j < lc.size(); ++j)
								if( GetHandleElementType(lc[j]) == ESET )
									lc[j] = new_sets[GetHandleID(lc[j])];
					}
				}

        REPORT_VAL("output position, sets",in.tellg());
			}
			else if (token == INMOST::MeshDataHeader)
			{
				REPORT_STR("MeshDataHeader");
				HandleType m_storage = GetHandle();
				INMOST_DATA_ENUM_TYPE elem_sizes[6] =
				{
					static_cast<INMOST_DATA_ENUM_TYPE>(new_nodes.size()),
					static_cast<INMOST_DATA_ENUM_TYPE>(new_edges.size()),
					static_cast<INMOST_DATA_ENUM_TYPE>(new_faces.size()),
					static_cast<INMOST_DATA_ENUM_TYPE>(new_cells.size()),
					static_cast<INMOST_DATA_ENUM_TYPE>(new_sets.size()),
					1
				};
				HandleType * elem_links[6] =
				{
					new_nodes.empty() ? NULL : &new_nodes[0],
					new_edges.empty() ? NULL : &new_edges[0],
					new_faces.empty() ? NULL : &new_faces[0],
					new_cells.empty() ? NULL : &new_cells[0],
					new_sets.empty() ? NULL : &new_sets[0],
					&m_storage
				};
				for(INMOST_DATA_ENUM_TYPE j = 0; j < tags.size(); j++) 
				{
					REPORT_VAL("TagName",tags[j].GetTagName());
					if( verbosity > 0 ) std::cout << "Reading " << tags[j].GetTagName() << std::endl;
					Tag * jt = &tags[j];
					for(ElementType etype = NODE; etype <= MESH; etype = etype << 1)
					{
						if( etype & tags_defined[j] )
						{
              REPORT_VAL("defined on",ElementTypeName(etype));
							INMOST_DATA_ENUM_TYPE q, cycle_end, etypenum = ElementNum(etype);
							cycle_end = elem_sizes[etypenum];
              REPORT_VAL("cycle end",cycle_end);
							bool sparse = false;
              if( etype & tags_sparse[j] ) sparse = true;
							INMOST_DATA_ENUM_TYPE tagsize = jt->GetSize(), recsize = tagsize, lid;
							INMOST_DATA_ENUM_TYPE k;
							DataType data_type = jt->GetDataType();
							if( sparse ) 
							{
                REPORT_VAL("sparse on",ElementTypeName(etype));
								uconv.read_iValue(in,q); 
								if( in.eof() ) std::cout << __FILE__ << ":" << __LINE__ << " Unexpected end of file! " << tags[j].GetTagName() << " " << ElementTypeName(etype) << " " << (sparse? "sparse" : "dense") << std::endl;
							}
							else q = 0;

              REPORT_VAL("data type",DataTypeName(data_type));
              REPORT_VAL("tag size",tagsize);

							while(q != cycle_end)
							{
								HandleType he = elem_links[etypenum][q];
								if( tagsize == ENUMUNDEF ) 
								{
									uconv.read_iValue(in,recsize); 
									if( in.eof() ) std::cout << __FILE__ << ":" << __LINE__ << " Unexpected end of file! " << tags[j].GetTagName() << " " << ElementTypeName(etype) << " " << (sparse? "sparse" : "dense") << std::endl;
									SetDataSize(he,*jt,recsize);
								}
								switch(data_type)
								{
								case DATA_REAL:
									{
										Storage::real_array arr = RealArray(he,*jt);
										for(k = 0; k < recsize; k++) 
										{
											iconv.read_fValue(in,arr[k]); 
											if( in.eof() ) std::cout << __FILE__ << ":" << __LINE__ << " Unexpected end of file! " << tags[j].GetTagName() << " " << ElementTypeName(etype) << " " << (sparse? "sparse" : "dense") << std::endl;
										}
									} break;
								case DATA_INTEGER:   
									{
										Storage::integer_array arr = IntegerArray(he,*jt); 
										for(k = 0; k < recsize; k++) 
										{
											iconv.read_iValue(in,arr[k]); 
											if( in.eof() ) std::cout << __FILE__ << ":" << __LINE__ << " Unexpected end of file! " << tags[j].GetTagName() << " " << ElementTypeName(etype) << " " << (sparse? "sparse" : "dense") << std::endl;
										}
									} break;
								case DATA_BULK:      
									{
										in.read(reinterpret_cast<char *>(&Bulk(he,*jt)),recsize);
										if( in.eof() ) std::cout << __FILE__ << ":" << __LINE__ << " Unexpected end of file! " << tags[j].GetTagName() << " " << ElementTypeName(etype) << " " << (sparse? "sparse" : "dense") << std::endl;
									} break;
								case DATA_REFERENCE: 
									{
										Storage::reference_array arr = ReferenceArray(he,*jt);
										for(k = 0; k < recsize; k++)
										{
											char type;
											in.get(type);
											if( in.eof() ) std::cout << __FILE__ << ":" << __LINE__ << " Unexpected end of file! " << tags[j].GetTagName() << " " << ElementTypeName(etype) << " " << (sparse? "sparse" : "dense") << std::endl;
											if (type != NONE)
											{
												uconv.read_iValue(in, lid);
												if( in.eof() ) std::cout << __FILE__ << ":" << __LINE__ << " Unexpected end of file! " << tags[j].GetTagName() << " " << ElementTypeName(etype) << " " << (sparse? "sparse" : "dense") << std::endl;
												arr.at(k) = elem_links[ElementNum(type)][lid];
											}
											else arr.at(k) = InvalidHandle();
										}
									} break;
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                case DATA_REMOTE_REFERENCE: 
									{
										Storage::remote_reference_array arr = RemoteReferenceArray(he,*jt);
										for(k = 0; k < recsize; k++)
										{
                      INMOST_DATA_ENUM_TYPE size;
                      std::vector<char> name;
                      uconv.read_iValue(in,size);
                      name.resize(size);
                      if( !name.empty() ) in.read(&name[0],size);
                      else std::cout << __FILE__ << ":" << __LINE__ << " Mesh of the name was not specified" << std::endl;
                      arr.at(k).first = GetMesh(std::string(name.begin(),name.end()));
                      if( arr.at(k).first == NULL )
                        std::cout << __FILE__ << ":" << __LINE__ << " Mesh with the name " << std::string(name.begin(),name.end()) << " do not exist, you should create the mesh with this name first" << std::endl;
											char type;
											in.get(type);
											if( in.eof() ) std::cout << __FILE__ << ":" << __LINE__ << " Unexpected end of file! " << tags[j].GetTagName() << " " << ElementTypeName(etype) << " " << (sparse? "sparse" : "dense") << std::endl;
											if (type != NONE)
											{
												uconv.read_iValue(in, lid);
												if( in.eof() ) std::cout << __FILE__ << ":" << __LINE__ << " Unexpected end of file! " << tags[j].GetTagName() << " " << ElementTypeName(etype) << " " << (sparse? "sparse" : "dense") << std::endl;
                        arr.at(k).second = ComposeHandle(type,lid);
											}
                      else arr.at(k).second = InvalidHandle();
										}
									} break;
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Kirill Terekhov committed
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#if defined(USE_AUTODIFF)
                case DATA_VARIABLE:
                  {
                    Storage::var_array arr = VariableArray(he,*jt);
                    Storage::real val;
                    Storage::integer ival;
                    for(k = 0; k < recsize; k++)
                    {
                      Sparse::Row & r = arr[k].GetRow();
                      iconv.read_fValue(in,val);
                      arr[k].SetValue(val);
                      iconv.read_iValue(in,ival);
                      r.Resize(ival);
                      for(int l = 0; l < (int)r.Size(); ++l)
                      {
                        iconv.read_fValue(in,val);
                        iconv.read_iValue(in,ival);
                        r.GetValue(l) = val;
                        r.GetIndex(l) = ival;
                      }
                    }
                  } break;
#endif
								}
								if( sparse ) 
								{
									uconv.read_iValue(in,q); 
									if( in.eof() ) std::cout << __FILE__ << ":" << __LINE__ << " Unexpected end of file! " << tags[j].GetTagName() << " " << ElementTypeName(etype) << " " << (sparse? "sparse" : "dense") << std::endl;
								}
								else q++;
							}
						}
					}

          REPORT_VAL("output position, tag data " << j,in.tellg());
				}

        REPORT_VAL("output position, tag data",in.tellg());
				if( verbosity > 0 ) std::cout << "Finished reading data" << std::endl;
				REPORT_STR("EndOfData");
			}
			else 
			{
				std::cout << "Unknown token on input" << std::endl;
				throw BadFile;
			}
		}
			
			
			
		if( m_state == Mesh::Parallel )
		{
#if defined(USE_MPI) 
				
			bool restore_state = false;
			INMOST_DATA_ENUM_TYPE numprocs = GetProcessorsNumber(), size = static_cast<INMOST_DATA_ENUM_TYPE>(myprocs.size()),k;
			INMOST_DATA_ENUM_TYPE procs_sum = 0;
			std::vector<INMOST_DATA_ENUM_TYPE> procs_sizes(numprocs);
			REPORT_MPI(MPI_Allgather(&size,1,INMOST_MPI_DATA_ENUM_TYPE,&procs_sizes[0],1,INMOST_MPI_DATA_ENUM_TYPE,GetCommunicator()));
			for(k = 0; k < numprocs; k++) if( procs_sizes[k] > 1 ) restore_state = true;
			REPORT_VAL("restore_state",restore_state);
			if( restore_state ) //we have to do something with parallel status data
			{
				int ierr;
				std::vector<INMOST_MPI_SIZE> recvcnts(numprocs), displs(numprocs);
				Storage::integer myrank = GetProcessorRank();
				std::sort(myprocs.begin(),myprocs.end());
				//have to allgatherv myprocs from all processors to detect the ownership of elements
				procs_sum = procs_sizes[0];
				recvcnts[0] = static_cast<INMOST_MPI_SIZE>(procs_sizes[0]);
				displs[0] = 0;
				for(k = 1; k < numprocs; k++) 
				{
					procs_sum += procs_sizes[k];
					recvcnts[k] = static_cast<INMOST_MPI_SIZE>(procs_sizes[k]);
					displs[k] = displs[k-1]+recvcnts[k-1];
				}
				std::vector<INMOST_DATA_ENUM_TYPE> procs(procs_sum);
				REPORT_MPI(ierr = MPI_Allgatherv(myprocs.data(),procs_sizes[myrank],INMOST_MPI_DATA_ENUM_TYPE,&procs[0],&recvcnts[0],&displs[0],INMOST_MPI_DATA_ENUM_TYPE,GetCommunicator()));
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				if( ierr != MPI_SUCCESS ) MPI_Abort(GetCommunicator(),__LINE__);
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				//we have to distinguish new elements and old elements
				//all new elements with owner in myprocs belong to me
					
				if( procs_sizes[myrank] > 0 )
				{
					for(Mesh::iteratorElement it = BeginElement(CELL | FACE | EDGE | NODE); it != EndElement(); ++it)
						if( it->New() )
						{
							Storage::integer & owner = it->IntegerDF(tag_owner);
							if( std::binary_search(myprocs.begin(),myprocs.end(),static_cast<INMOST_DATA_ENUM_TYPE>(owner)) ) 
								owner = myrank;
							else
							{
								for(k = 0; k < numprocs; k++)
									if( std::binary_search(procs.begin()+displs[k],procs.begin()+displs[k]+recvcnts[k],static_cast<INMOST_DATA_ENUM_TYPE>(owner)) )
									{
										owner = k;
										break;
									}
							}
							integer_array v = it->IntegerArrayDV(tag_processors);
							for(integer_array::iterator jt = v.begin(); jt != v.end(); ++jt)
								if( std::binary_search(myprocs.begin(),myprocs.end(),static_cast<INMOST_DATA_ENUM_TYPE>(*jt)) )
									*jt = myrank;
								else
								{
									for(k = 0; k < numprocs; k++)
										if( std::binary_search(procs.begin()+displs[k],procs.begin()+displs[k]+recvcnts[k],static_cast<INMOST_DATA_ENUM_TYPE>(*jt)) )
										{
											*jt = k;
											break;
										}
								}
							std::sort(v.begin(),v.end());
							v.resize(static_cast<integer_array::size_type>(std::unique(v.begin(),v.end())-v.begin()));
							if( myrank == owner )
							{
								if( v.size() == 1 )
									it->BulkDF(tag_shared) = Element::Owned;
								else
									it->BulkDF(tag_shared) = Element::Shared;
							}
							else
								it->BulkDF(tag_shared) = Element::Ghost;
						}
				}

			}
			ComputeSharedProcs();
			RecomputeParallelStorage(CELL | FACE | EDGE | NODE);
				
			//Share number of Layers
			REPORT_MPI(MPI_Bcast(&Integer(GetHandle(),tag_layers),1,INMOST_MPI_DATA_INTEGER_TYPE,0,GetCommunicator()));
			REPORT_MPI(MPI_Bcast(&Integer(GetHandle(),tag_bridge),1,INMOST_MPI_DATA_BULK_TYPE,0,GetCommunicator()));
#else // if there is no mpi, we don't care about statuses
			tag_shared = DeleteTag(tag_shared);
			tag_processors = DeleteTag(tag_processors);
			tag_owner = DeleteTag(tag_owner);
			tag_layers = DeleteTag(tag_layers);
			tag_bridge = DeleteTag(tag_bridge);
			tag_sendto = DeleteTag(tag_sendto);
			m_state = Mesh::Serial;
#endif
		}
		EndModification();
			
		//~ PrepareGeometricData(table);
		RestoreGeometricTags();
			
		if( HaveTag("GLOBAL_ID") )
			tag_global_id = GetTag("GLOBAL_ID");
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		if( HaveTag("TOPOLOGY_ERROR_TAG") )
			tag_topologyerror = GetTag("TOPOLOGY_ERROR_TAG");
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#if defined(USE_MPI)
		if( m_state == Mesh::Parallel )
		{
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			ElementType have_global_id = NONE;
			if( GlobalIDTag().isValid() )
			{
				for(ElementType etype = NODE; etype <= MESH; etype = NextElementType(etype))
					if( GlobalIDTag().isDefined(etype) ) have_global_id |= etype;
			}
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			int hgi = have_global_id, recvtype = 0;
			//~ int flag = 0, recvflag;
			REPORT_MPI(MPI_Allreduce(&hgi,&recvtype,1,MPI_INT,MPI_BOR,comm));
			REPORT_VAL("local  types", hgi);
			REPORT_VAL("global types", recvtype);
			for(ElementType etype = NODE; etype <= CELL; etype = etype << 1 )
			{
				REPORT_VAL("test global id tag type",ElementTypeName(etype));
				if( (etype & recvtype) && !(etype & have_global_id) ) 
				{
					tag_global_id = CreateTag("GLOBAL_ID",DATA_INTEGER, etype, NONE,1);
					//~ flag = 1;
					REPORT_VAL("created new global id tag",ElementTypeName(etype));
				}
			}
			//~ REPORT_MPI(MPI_Allreduce(&flag,&recvflag,1,MPI_INT,MPI_BOR,comm));
			//~ REPORT_VAL("flag",&recvflag);
			//~ if( recvflag ) 
			AssignGlobalID(recvtype);
		}
#endif
	}
}

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#endif