mirror of
https://github.com/NGSolve/netgen.git
synced 2024-12-27 14:20:34 +05:00
826 lines
19 KiB
C++
826 lines
19 KiB
C++
#ifdef PARALLEL
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#include <meshing.hpp>
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#include "paralleltop.hpp"
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namespace netgen
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{
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void ParallelMeshTopology :: Reset ()
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{
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*testout << "ParallelMeshTopology::Reset" << endl;
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if ( ntasks == 1 ) return;
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int nvold = nv;
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ne = mesh.GetNE();
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nv = mesh.GetNV();
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nseg = mesh.GetNSeg();
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nsurfel = mesh.GetNSE();
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ned = mesh.GetTopology().GetNEdges();
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nfa = mesh.GetTopology().GetNFaces();
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loc2distedge.ChangeSize (ned);
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for (int i = 0; i < ned; i++)
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if (loc2distedge[i].Size() == 0)
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loc2distedge.Add (i, -1); // will be the global nr
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loc2distface.ChangeSize (nfa);
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for (int i = 0; i < nfa; i++)
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if (loc2distface[i].Size() == 0)
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loc2distface.Add (i, -1); // will be the global nr
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if ( nvold == nv ) return;
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SetNV(nv);
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SetNE(ne);
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}
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ParallelMeshTopology :: ~ParallelMeshTopology ()
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{
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;
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}
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ParallelMeshTopology :: ParallelMeshTopology ( const netgen::Mesh & amesh )
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: mesh(amesh)
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{
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ned = 0;
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nfa = 0;
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nv = 0;
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ne = 0;
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np = 0;
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nseg = 0;
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nsurfel = 0;
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neglob = 0;
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nvglob = 0;
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nparel = 0;
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coarseupdate = 0;
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}
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void ParallelMeshTopology :: Print() const
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{
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/*
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(*testout) << endl << "TOPOLOGY FOR PARALLEL MESHES" << endl << endl;
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for ( int i = 1; i <= nv; i++ )
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if ( IsExchangeVert (i) )
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{
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(*testout) << "exchange point " << i << ": global " << GetLoc2Glob_Vert(i) << endl;
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for ( int dest = 0; dest < ntasks; dest ++)
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if ( dest != id )
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if ( GetDistantPNum( dest, i ) > 0 )
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(*testout) << " p" << dest << ": " << GetDistantPNum ( dest, i ) << endl;
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}
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for ( int i = 1; i <= ned; i++ )
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if ( IsExchangeEdge ( i ) )
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{
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int v1, v2;
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mesh . GetTopology().GetEdgeVertices(i, v1, v2);
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(*testout) << "exchange edge " << i << ": global vertices " << GetLoc2Glob_Vert(v1) << " "
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<< GetLoc2Glob_Vert(v2) << endl;
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for ( int dest = 0; dest < ntasks; dest++)
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if ( GetDistantEdgeNum ( dest, i ) > 0 )
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if ( dest != id )
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(*testout) << " p" << dest << ": " << GetDistantEdgeNum ( dest, i ) << endl;
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}
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for ( int i = 1; i <= nfa; i++ )
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if ( IsExchangeFace(i) )
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{
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Array<int> facevert;
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mesh . GetTopology().GetFaceVertices(i, facevert);
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(*testout) << "exchange face " << i << ": global vertices " ;
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for ( int fi=0; fi < facevert.Size(); fi++)
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(*testout) << GetLoc2Glob_Vert(facevert[fi]) << " ";
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(*testout) << endl;
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for ( int dest = 0; dest < ntasks; dest++)
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if ( dest != id )
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{
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if ( GetDistantFaceNum ( dest, i ) >= 0 )
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(*testout) << " p" << dest << ": " << GetDistantFaceNum ( dest, i ) << endl;
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}
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}
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*/
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/*
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for ( int i = 1; i < mesh.GetNE(); i++)
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{
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if ( !IsExchangeElement(i) ) continue;
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Array<int> vert;
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const Element & el = mesh.VolumeElement(i);
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(*testout) << "parallel local element " << i << endl;
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(*testout) << "vertices " ;
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for ( int j = 0; j < el.GetNV(); j++)
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(*testout) << el.PNum(j+1) << " ";
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(*testout) << "is ghost " << IsGhostEl(i) << endl;
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(*testout) << endl;
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}
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*/
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}
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// gibt anzahl an distant pnums zurueck
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// * pnums entspricht Array<int[2] >
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void ParallelMeshTopology :: GetDistantPNums ( int locpnum, int * distpnums ) const
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{
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distpnums[0] = 0;
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distpnums[1] = loc2distvert[locpnum][0];
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for ( int i = 1; i < loc2distvert[locpnum].Size(); i++ )
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distpnums[i+1] = loc2distvert[locpnum][i];
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// int size = loc2distvert[locpnum].Size() / 2 + 1;
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// return size;
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}
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void ParallelMeshTopology :: GetDistantFaceNums ( int locfacenum, int * distfacenums ) const
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{
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distfacenums[0] = 0;
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distfacenums[1] = loc2distface[locfacenum-1][0];
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for ( int i = 1; i < loc2distface[locfacenum-1].Size(); i++ )
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distfacenums[i+1] = loc2distface[locfacenum-1][i];
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// int size = loc2distface[locfacenum-1].Size() / 2 + 1;
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// return size;
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}
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void ParallelMeshTopology :: GetDistantEdgeNums ( int locedgenum, int * distedgenums ) const
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{
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distedgenums[0] = 0;
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distedgenums[1] = loc2distedge[locedgenum-1][0];
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for ( int i = 1; i < loc2distedge[locedgenum-1].Size(); i++ )
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distedgenums[i+1] = loc2distedge[locedgenum-1][i];
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// int size = loc2distedge[locedgenum-1].Size() / 2 + 1;
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// return size;
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}
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void ParallelMeshTopology :: GetDistantElNums ( int locelnum, int * distelnums ) const
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{
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distelnums[0] = 0;
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distelnums[1] = loc2distel[locelnum-1][0];
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for ( int i = 1; i < loc2distel[locelnum-1].Size(); i++ )
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distelnums[i+1] = loc2distel[locelnum-1][i];
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// int size = loc2distel[locelnum-1].Size() / 2 + 1;
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// return size;
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}
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void ParallelMeshTopology :: SetDistantFaceNum ( int dest, int locnum, int distnum )
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{
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if ( dest == 0 )
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{
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loc2distface[locnum-1][0] = distnum;
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return;
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}
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for ( int i = 1; i < loc2distface[locnum-1].Size(); i+=2 )
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if ( loc2distface[locnum-1][i] == dest )
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{
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loc2distface[locnum-1][i+1] = distnum;
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return;
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}
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loc2distface.Add(locnum-1, dest);
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loc2distface.Add(locnum-1, distnum);
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}
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void ParallelMeshTopology :: SetDistantPNum ( int dest, int locnum, int distnum )
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{
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if ( dest == 0 )
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{
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loc2distvert[locnum][0] = distnum; // HERE
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return;
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}
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for ( int i = 1; i < loc2distvert[locnum].Size(); i+=2 )
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if ( loc2distvert[locnum][i] == dest )
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{
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loc2distvert[locnum][i+1] = distnum;
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return;
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}
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loc2distvert.Add (locnum, dest);
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loc2distvert.Add (locnum, distnum);
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}
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void ParallelMeshTopology :: SetDistantEdgeNum ( int dest, int locnum, int distnum )
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{
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if ( dest == 0 )
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{
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loc2distedge[locnum-1][0] = distnum;
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return;
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}
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for ( int i = 1; i < loc2distedge[locnum-1].Size(); i+=2 )
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if ( loc2distedge[locnum-1][i] == dest )
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{
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loc2distedge[locnum-1][i+1] = distnum;
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return;
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}
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loc2distedge.Add (locnum-1, dest);
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loc2distedge.Add (locnum-1, distnum);
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}
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void ParallelMeshTopology :: SetDistantEl ( int dest, int locnum, int distnum )
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{
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if ( dest == 0 )
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{
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loc2distel[locnum-1][0] = distnum;
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return;
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}
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for ( int i = 1; i < loc2distel[locnum-1].Size(); i+=2 )
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if ( loc2distel[locnum-1][i] == dest )
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{
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loc2distel[locnum-1][i+1] = distnum;
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return;
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}
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loc2distel.Add (locnum-1, dest);
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loc2distel.Add (locnum-1, distnum);
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}
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void ParallelMeshTopology :: SetDistantSurfEl ( int dest, int locnum, int distnum )
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{
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if ( dest == 0 )
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{
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loc2distsurfel[locnum-1][0] = distnum;
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return;
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}
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for ( int i = 1; i < loc2distsurfel[locnum-1].Size(); i+=2 )
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if ( loc2distsurfel[locnum-1][i] == dest )
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{
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loc2distsurfel[locnum-1][i+1] = distnum;
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return;
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}
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loc2distsurfel.Add (locnum-1, dest);
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loc2distsurfel.Add (locnum-1, distnum);
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}
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void ParallelMeshTopology :: SetDistantSegm ( int dest, int locnum, int distnum )
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{
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if ( dest == 0 )
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{
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loc2distsegm[locnum-1][0] = distnum;
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return;
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}
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for (int i = 1; i < loc2distsegm[locnum-1].Size(); i+=2 )
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if ( loc2distsegm[locnum-1][i] == dest )
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{
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loc2distsegm[locnum-1][i+1] = distnum;
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return;
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}
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loc2distsegm.Add (locnum-1, dest);
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loc2distsegm.Add (locnum-1, distnum);
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}
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void ParallelMeshTopology :: GetVertNeighbours ( int vnum, Array<int> & dests ) const
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{
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dests.SetSize(0);
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int i = 1;
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while ( i < loc2distvert[vnum].Size() )
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{
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dests.Append ( loc2distvert[vnum][i] );
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i+=2;
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}
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}
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void ParallelMeshTopology :: SetNV (int anv)
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{
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*testout << "called setnv" << endl
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<< "old size: " << loc2distvert.Size() << endl
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<< "new size: " << anv << endl;
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loc2distvert.ChangeSize (anv);
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for (int i = 1; i <= anv; i++)
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if (loc2distvert.EntrySize(i) == 0)
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loc2distvert.Add (i, -1); // will be the global nr
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nv = anv;
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}
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void ParallelMeshTopology :: SetNE ( const int ane )
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{
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loc2distel.ChangeSize (ane);
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for (int i = 0; i < ane; i++)
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if (loc2distel[i].Size() == 0)
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loc2distel.Add (i, -1); // will be the global nr
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ne = ane;
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}
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void ParallelMeshTopology :: SetNSE ( int anse )
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{
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loc2distsurfel.ChangeSize (anse);
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for (int i = 0; i < anse; i++)
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if (loc2distsurfel[i].Size() == 0)
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loc2distsurfel.Add (i, -1); // will be the global nr
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nsurfel = anse;
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}
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void ParallelMeshTopology :: SetNSegm ( int anseg )
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{
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loc2distsegm.ChangeSize (anseg);
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for (int i = 0; i < anseg; i++)
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if (loc2distsegm[i].Size() == 0)
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loc2distsegm.Add (i, -1); // will be the global nr
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nseg = anseg;
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}
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void ParallelMeshTopology :: Update ()
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{
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ne = mesh.GetNE();
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nv = mesh.GetNV();
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nseg = mesh.GetNSeg();
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nsurfel = mesh.GetNSE();
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ned = mesh.GetTopology().GetNEdges();
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nfa = mesh.GetTopology().GetNFaces();
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}
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void ParallelMeshTopology :: UpdateCoarseGridGlobal ()
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{
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if (id == 0)
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PrintMessage ( 3, "UPDATE GLOBAL COARSEGRID STARTS" ); // JS
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int timer = NgProfiler::CreateTimer ("UpdateCoarseGridGlobal");
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NgProfiler::RegionTimer reg(timer);
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*testout << "ParallelMeshTopology :: UpdateCoarseGridGlobal" << endl;
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const MeshTopology & topology = mesh.GetTopology();
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nfa = topology . GetNFaces();
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ned = topology . GetNEdges();
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np = mesh . GetNP();
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nv = mesh . GetNV();
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ne = mesh . GetNE();
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nseg = mesh.GetNSeg();
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nsurfel = mesh.GetNSE();
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// low order processor - save mesh partition
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if ( id == 0 )
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{
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for ( int eli = 1; eli <= ne; eli++ )
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loc2distel[eli-1][0] = eli;
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for ( int i = 1; i <= mesh .GetNV(); i++)
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loc2distvert[i][0] = i;
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for ( int i = 0; i < mesh . GetNSeg(); i++)
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loc2distsegm[i][0] = i+1;
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for ( int i = 0; i < mesh . GetNSE(); i++)
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loc2distsurfel[i][0] = i+1;
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for ( int i = 0; i < topology .GetNEdges(); i++)
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loc2distedge[i][0] = i+1;
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for ( int i = 0; i < topology .GetNFaces(); i++)
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loc2distface[i][0] = i+1;
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}
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// Array<int> sendarray, recvarray;
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if ( id == 0 )
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{
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Array<Array<int>*> sendarrays(ntasks);
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for (int dest = 1; dest < ntasks; dest++)
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{
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sendarrays[dest] = new Array<int>;
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sendarrays[dest]->Append (nfa);
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sendarrays[dest]->Append (ned);
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}
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Array<int> edges, pnums, faces, elpnums;
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for (int el = 1; el <= ne; el++)
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{
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topology.GetElementFaces (el, faces);
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topology.GetElementEdges (el, edges);
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const Element & volel = mesh.VolumeElement (el);
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Array<int> & sendarray = *sendarrays[volel.GetPartition()];
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sendarray. Append ( el );
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sendarray. Append ( faces.Size() );
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sendarray. Append ( edges.Size() );
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sendarray. Append ( volel.GetNP() );
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for ( int i = 0; i < faces.Size(); i++ )
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sendarray. Append(faces[i] );
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for ( int i = 0; i < edges.Size(); i++ )
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sendarray. Append(edges[i] );
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for ( int i = 0; i < volel.GetNP(); i++ )
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sendarray. Append(volel[i] );
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}
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for (int dest = 1; dest < ntasks; dest++)
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sendarrays[dest]->Append (-1);
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for (int el = 1; el <= nsurfel; el++)
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{
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topology.GetSurfaceElementEdges (el, edges);
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const Element2d & surfel = mesh.SurfaceElement (el);
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Array<int> & sendarray = *sendarrays[surfel.GetPartition()];
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sendarray.Append (el);
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sendarray.Append (edges.Size());
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sendarray.Append (surfel.GetNP());
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for ( int i = 0; i < edges.Size(); i++ )
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sendarray.Append (edges[i]);
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for ( int i = 0; i < surfel.GetNP(); i++ )
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sendarray.Append (surfel[i]);
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}
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for (int dest = 1; dest < ntasks; dest++)
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sendarrays[dest]->Append (-1);
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Array<MPI_Request> sendrequests;
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for (int dest = 1; dest < ntasks; dest++)
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sendrequests.Append (MyMPI_ISend (*sendarrays[dest], dest, MPI_TAG_MESH+10));
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MPI_Waitall (sendrequests.Size(), &sendrequests[0], MPI_STATUS_IGNORE);
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for (int dest = 1; dest < ntasks; dest++)
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delete sendarrays[dest];
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}
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else
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{
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Array<int> recvarray;
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// MyMPI_Bcast ( recvarray );
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MyMPI_Recv (recvarray, 0, MPI_TAG_MESH+10);
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Array<int,1> glob2loc_el;
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glob2loc_el.SetSize (neglob);
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glob2loc_el = -1;
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for ( int locel = 1; locel <= mesh.GetNE(); locel++)
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glob2loc_el[GetLoc2Glob_VolEl(locel)] = locel;
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int ii = 0;
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nfaglob = recvarray[ii++];
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nedglob = recvarray[ii++];
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Array<int> faces, edges;
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Array<int> pnums, globalpnums;
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// int recv_ne = recvarray[ii++];
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// for (int hi = 0; hi < recv_ne; hi++)
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while (1)
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{
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int globvolel = recvarray[ii++];
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if (globvolel == -1) break;
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int distnfa = recvarray[ii++];
|
|
int distned = recvarray[ii++];
|
|
int distnp = recvarray[ii++];
|
|
|
|
int volel = glob2loc_el[globvolel];
|
|
if (volel != -1)
|
|
{
|
|
topology.GetElementFaces( volel, faces);
|
|
topology.GetElementEdges ( volel, edges);
|
|
const Element & volelement = mesh.VolumeElement (volel);
|
|
|
|
for ( int i = 0; i < faces.Size(); i++)
|
|
SetDistantFaceNum ( 0, faces[i], recvarray[ii++]);
|
|
|
|
for ( int i = 0; i < edges.Size(); i++)
|
|
SetDistantEdgeNum ( 0, edges[i], recvarray[ii++]);
|
|
|
|
for ( int i = 0; i < volelement.GetNP(); i++)
|
|
SetDistantPNum ( 0, volelement[i], recvarray[ii++]);
|
|
}
|
|
else
|
|
ii += distnfa + distned + distnp;
|
|
}
|
|
|
|
|
|
Array<int,1> glob2loc_sel;
|
|
|
|
// int recv_nse = recvarray[ii++];
|
|
// nseglob = recv_nse;
|
|
|
|
glob2loc_sel.SetSize (nseglob);
|
|
glob2loc_sel = -1;
|
|
for ( int locel = 1; locel <= mesh.GetNSE(); locel++)
|
|
glob2loc_sel[GetLoc2Glob_SurfEl(locel)] = locel;
|
|
|
|
|
|
// for (int hi = 0; hi < recv_nse; hi++)
|
|
while (1)
|
|
{
|
|
int globvolel = recvarray[ii++];
|
|
if (globvolel == -1) break;
|
|
|
|
int distned = recvarray[ii++];
|
|
int distnp = recvarray[ii++];
|
|
|
|
int surfel = glob2loc_sel[globvolel];
|
|
if (surfel != -1)
|
|
{
|
|
topology.GetSurfaceElementEdges ( surfel, edges);
|
|
const Element2d & element = mesh.SurfaceElement (surfel);
|
|
|
|
for ( int i = 0; i < edges.Size(); i++)
|
|
SetDistantEdgeNum ( 0, edges[i], recvarray[ii++]);
|
|
|
|
for ( int i = 0; i < element.GetNP(); i++)
|
|
SetDistantPNum ( 0, element[i], recvarray[ii++]);
|
|
}
|
|
else
|
|
ii += distned + distnp;
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
if (id != 0)
|
|
{
|
|
*testout << "l2d - vert = " << loc2distvert << endl;
|
|
*testout << "l2d - edge = " << loc2distedge << endl;
|
|
*testout << "l2d - el = " << loc2distel << endl;
|
|
*testout << "l2d - sel = " << loc2distsurfel << endl;
|
|
}
|
|
|
|
coarseupdate = 1;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void ParallelMeshTopology :: UpdateCoarseGrid ()
|
|
{
|
|
static int timer = NgProfiler::CreateTimer ("UpdateCoarseGrid");
|
|
NgProfiler::RegionTimer reg(timer);
|
|
|
|
|
|
(*testout) << "UPDATE COARSE GRID PARALLEL TOPOLOGY " << endl;
|
|
if (id == 0)
|
|
PrintMessage (1, "UPDATE COARSE GRID PARALLEL TOPOLOGY ");
|
|
|
|
|
|
// find exchange edges - first send exchangeedges locnum, v1, v2
|
|
// receive distant distnum, v1, v2
|
|
// find matching
|
|
const MeshTopology & topology = mesh.GetTopology();
|
|
|
|
UpdateCoarseGridGlobal();
|
|
|
|
MPI_Barrier (MPI_COMM_WORLD);
|
|
|
|
|
|
MPI_Group MPI_GROUP_WORLD;
|
|
MPI_Group MPI_LocalGroup;
|
|
MPI_Comm MPI_LocalComm;
|
|
|
|
int process_ranks[] = { 0 };
|
|
MPI_Comm_group (MPI_COMM_WORLD, &MPI_GROUP_WORLD);
|
|
MPI_Group_excl (MPI_GROUP_WORLD, 1, process_ranks, &MPI_LocalGroup);
|
|
MPI_Comm_create (MPI_COMM_WORLD, MPI_LocalGroup, &MPI_LocalComm);
|
|
|
|
if (id == 0) return;
|
|
|
|
|
|
|
|
Array<int> sendarray, recvarray;
|
|
|
|
nfa = topology . GetNFaces();
|
|
ned = topology . GetNEdges();
|
|
np = mesh . GetNP();
|
|
nv = mesh . GetNV();
|
|
ne = mesh . GetNE();
|
|
nseg = mesh.GetNSeg();
|
|
nsurfel = mesh.GetNSE();
|
|
|
|
|
|
static int timerv = NgProfiler::CreateTimer ("UpdateCoarseGrid - ex vertices");
|
|
static int timere = NgProfiler::CreateTimer ("UpdateCoarseGrid - ex edges");
|
|
static int timerf = NgProfiler::CreateTimer ("UpdateCoarseGrid - ex faces");
|
|
|
|
|
|
Array<int,1> glob2loc;
|
|
Array<int> cnt_send(ntasks-1);
|
|
|
|
NgProfiler::StartTimer (timere);
|
|
|
|
// exchange edges
|
|
int maxedge = 0;
|
|
for (int edge = 1; edge <= ned; edge++)
|
|
maxedge = max (maxedge, GetGlobalEdgeNum (edge));
|
|
|
|
glob2loc.SetSize (maxedge);
|
|
glob2loc = -1;
|
|
|
|
for (int edge = 1; edge <= ned; edge++)
|
|
glob2loc[GetGlobalEdgeNum(edge)] = edge;
|
|
|
|
cnt_send = 0;
|
|
int v1, v2;
|
|
for (int edge = 1; edge <= ned; edge++)
|
|
{
|
|
topology.GetEdgeVertices (edge, v1, v2);
|
|
for (int dest = 1; dest < ntasks; dest++)
|
|
if (IsExchangeVert (dest, v1) &&
|
|
IsExchangeVert (dest, v2))
|
|
{
|
|
cnt_send[dest-1]+=2;
|
|
}
|
|
}
|
|
|
|
TABLE<int> send_edges(cnt_send);
|
|
for (int edge = 1; edge <= ned; edge++)
|
|
{
|
|
topology.GetEdgeVertices (edge, v1, v2);
|
|
for (int dest = 1; dest < ntasks; dest++)
|
|
{
|
|
if (IsExchangeVert (dest, v1) &&
|
|
IsExchangeVert (dest, v2))
|
|
{
|
|
send_edges.Add (dest-1, GetGlobalEdgeNum(edge));
|
|
send_edges.Add (dest-1, edge);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// *testout << "send exchange edges: " << send_edges << endl;
|
|
|
|
TABLE<int> recv_edges(ntasks-1);
|
|
MyMPI_ExchangeTable (send_edges, recv_edges, MPI_TAG_MESH+9, MPI_LocalComm);
|
|
|
|
// *testout << "recv exchange edges: " << recv_edges << endl;
|
|
|
|
for (int sender = 1; sender < ntasks; sender ++)
|
|
if (id != sender)
|
|
{
|
|
FlatArray<int> recvarray = recv_edges[sender-1];
|
|
|
|
for (int ii = 0; ii < recvarray.Size(); )
|
|
{
|
|
int globe = recvarray[ii++];
|
|
int diste = recvarray[ii++];
|
|
|
|
if (globe <= maxedge)
|
|
{
|
|
int loce = glob2loc[globe];
|
|
if (loce != -1)
|
|
SetDistantEdgeNum (sender, loce, diste);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
NgProfiler::StopTimer (timere);
|
|
|
|
|
|
MPI_Barrier (MPI_LocalComm);
|
|
|
|
if (mesh.GetDimension() == 3)
|
|
{
|
|
|
|
NgProfiler::StartTimer (timerf);
|
|
|
|
glob2loc.SetSize (nfaglob);
|
|
glob2loc = -1;
|
|
|
|
for (int loc = 1; loc <= nfa; loc++)
|
|
glob2loc[GetGlobalFaceNum(loc)] = loc;
|
|
|
|
cnt_send = 0;
|
|
Array<int> verts;
|
|
for (int face = 1; face <= nfa; face++)
|
|
{
|
|
topology.GetFaceVertices (face, verts);
|
|
for (int dest = 1; dest < ntasks; dest++)
|
|
if (IsExchangeVert (dest, verts[0]) &&
|
|
IsExchangeVert (dest, verts[1]) &&
|
|
IsExchangeVert (dest, verts[2]))
|
|
{
|
|
cnt_send[dest-1]+=2;
|
|
}
|
|
}
|
|
|
|
TABLE<int> send_faces(cnt_send);
|
|
for (int face = 1; face <= nfa; face++)
|
|
{
|
|
topology.GetFaceVertices (face, verts);
|
|
for (int dest = 1; dest < ntasks; dest++)
|
|
{
|
|
if (IsExchangeVert (dest, verts[0]) &&
|
|
IsExchangeVert (dest, verts[1]) &&
|
|
IsExchangeVert (dest, verts[2]))
|
|
{
|
|
send_faces.Add (dest-1, GetGlobalFaceNum(face));
|
|
send_faces.Add (dest-1, face);
|
|
}
|
|
}
|
|
}
|
|
TABLE<int> recv_faces(ntasks-1);
|
|
MyMPI_ExchangeTable (send_faces, recv_faces, MPI_TAG_MESH+8, MPI_LocalComm);
|
|
|
|
// *testout << "send exchange faces: " << send_faces << endl;
|
|
// *testout << "recv exchange faces: " << recv_faces << endl;
|
|
|
|
for (int sender = 1; sender < ntasks; sender ++)
|
|
if (id != sender)
|
|
{
|
|
FlatArray<int> recvarray = recv_faces[sender-1];
|
|
|
|
for (int ii = 0; ii < recvarray.Size(); )
|
|
{
|
|
int globf = recvarray[ii++];
|
|
int distf = recvarray[ii++];
|
|
int locf = glob2loc[globf];
|
|
|
|
// *testout << "set distant face, sender = " << sender << ", locf = " << locf << "; distf = " << distf << endl;
|
|
if (locf != -1)
|
|
SetDistantFaceNum (sender, locf, distf);
|
|
}
|
|
}
|
|
|
|
|
|
NgProfiler::StopTimer (timerf);
|
|
}
|
|
|
|
|
|
// set which elements are where for the master processor
|
|
|
|
coarseupdate = 1;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#endif
|