mirror of
https://github.com/NGSolve/netgen.git
synced 2024-12-26 13:50:33 +05:00
1911 lines
47 KiB
C++
1911 lines
47 KiB
C++
#ifdef PARALLEL
|
|
|
|
#include <meshing.hpp>
|
|
#include "paralleltop.hpp"
|
|
|
|
|
|
#ifdef METIS
|
|
namespace metis { extern "C" {
|
|
#include <metis.h>
|
|
} }
|
|
#endif
|
|
|
|
|
|
using namespace metis;
|
|
|
|
namespace netgen
|
|
{
|
|
|
|
|
|
// slaves receive the mesh from the master
|
|
void Mesh :: ReceiveParallelMesh ( )
|
|
{
|
|
int timer = NgProfiler::CreateTimer ("ReceiveParallelMesh");
|
|
NgProfiler::RegionTimer reg(timer);
|
|
|
|
int timer_pts = NgProfiler::CreateTimer ("Receive Points");
|
|
int timer_els = NgProfiler::CreateTimer ("Receive Elements");
|
|
int timer_sels = NgProfiler::CreateTimer ("Receive Surface Elements");
|
|
int timer_edges = NgProfiler::CreateTimer ("Receive Edges");
|
|
|
|
|
|
#ifdef SCALASCA
|
|
#pragma pomp inst begin(loadmesh)
|
|
#endif
|
|
|
|
// PrintMessage (1, "LOAD PARALLEL MESH");
|
|
// MPI_Barrier (MPI_COMM_WORLD);
|
|
|
|
string st;
|
|
double doublebuf[100];
|
|
int i, n;
|
|
int tag_dim = 10, tag_token = 100, tag_n=11, tag_pnum=12, tag_point=13;
|
|
int tag_index = 101, tag_facedescr = 102;
|
|
MPI_Status status;
|
|
|
|
bool endmesh = false;
|
|
|
|
int dim;
|
|
int nelglob, nelloc, nvglob, nedglob, nfaglob;
|
|
|
|
// receive global values
|
|
MPI_Bcast( &nelglob, 1, MPI_INT, 0, MPI_COMM_WORLD );
|
|
MPI_Bcast( &nvglob, 1, MPI_INT, 0, MPI_COMM_WORLD );
|
|
MPI_Bcast( &nedglob, 1, MPI_INT, 0, MPI_COMM_WORLD );
|
|
MPI_Bcast( &nfaglob, 1, MPI_INT, 0, MPI_COMM_WORLD );
|
|
MPI_Bcast( &dimension, 1, MPI_INT, 0, MPI_COMM_WORLD );
|
|
MyMPI_Recv ( nelloc, 0 );
|
|
|
|
paralleltop -> SetNVGlob ( nvglob );
|
|
paralleltop -> SetNEGlob ( nelglob );
|
|
|
|
INDEX_CLOSED_HASHTABLE<int> glob2loc_vert_ht (1);
|
|
|
|
PrintMessage (1, "Receive mesh");
|
|
|
|
int ve = 0;
|
|
while (!endmesh)
|
|
{
|
|
MyMPI_Recv ( st, 0 );
|
|
|
|
// receive vertices
|
|
if (st == "vertex")
|
|
{
|
|
NgProfiler::RegionTimer reg(timer_pts);
|
|
|
|
Array<double> pointarray;
|
|
MyMPI_Recv ( pointarray, 0 );
|
|
|
|
int numvert = pointarray.Size() / 5;
|
|
paralleltop -> SetNV (numvert);
|
|
|
|
glob2loc_vert_ht.SetSize (3*numvert+1);
|
|
|
|
for ( int vert=0; vert<numvert; vert++ )
|
|
{
|
|
int globvert = int (pointarray[ vert*5 ]);
|
|
paralleltop->SetLoc2Glob_Vert ( vert+1, globvert );
|
|
glob2loc_vert_ht.Set (globvert, vert+1);
|
|
|
|
netgen::Point<3> p;
|
|
p(0) = pointarray[vert*5+1];
|
|
p(1) = pointarray[vert*5+2];
|
|
p(2) = pointarray[vert*5+3];
|
|
AddPoint (p);
|
|
(*this)[PointIndex(vert+1)] .Singularity ( pointarray[vert*5+4] );
|
|
}
|
|
|
|
Array<int> dist_pnums;
|
|
MyMPI_Recv ( dist_pnums, 0);
|
|
|
|
for (int hi = 0; hi < dist_pnums.Size(); hi += 3)
|
|
{
|
|
paralleltop ->
|
|
SetDistantPNum ( dist_pnums[hi+1], dist_pnums[hi], dist_pnums[hi+2]);
|
|
}
|
|
}
|
|
|
|
if ( strcmp (st.c_str(), "volumeelements" ) == 0 )
|
|
{
|
|
NgProfiler::RegionTimer reg(timer_els);
|
|
|
|
*testout << "receiving elements" << endl;
|
|
|
|
Element el;
|
|
|
|
Array<int> elarray;
|
|
MyMPI_Recv ( elarray, 0);
|
|
|
|
int ind = 0;
|
|
int elnum = 1;
|
|
int nelloc = elarray[ind++];
|
|
|
|
paralleltop -> SetNE (nelloc);
|
|
|
|
while ( ind < elarray.Size() )
|
|
{
|
|
paralleltop->SetLoc2Glob_VolEl ( elnum, elarray[ind++]);
|
|
|
|
el.SetIndex(elarray[ind++]);
|
|
el.SetNP(elarray[ind++]);
|
|
|
|
for ( int j = 0; j < el.GetNP(); j++)
|
|
el[j] = glob2loc_vert_ht.Get (elarray[ind++]);
|
|
|
|
AddVolumeElement (el);
|
|
elnum++;
|
|
}
|
|
}
|
|
|
|
if (strcmp (st.c_str(), "facedescriptor") == 0)
|
|
{
|
|
Array<double> doublebuf;
|
|
MyMPI_Recv( doublebuf, 0 );
|
|
int faceind = AddFaceDescriptor (FaceDescriptor(int(doublebuf[0]), int(doublebuf[1]), int(doublebuf[2]), 0));
|
|
GetFaceDescriptor(faceind).SetBCProperty (int(doublebuf[3]));
|
|
GetFaceDescriptor(faceind).domin_singular = doublebuf[4];
|
|
GetFaceDescriptor(faceind).domout_singular = doublebuf[5];
|
|
}
|
|
|
|
|
|
|
|
if (strcmp (st.c_str(), "surfaceelementsgi") == 0)
|
|
{
|
|
NgProfiler::RegionTimer reg(timer_sels);
|
|
int j;
|
|
int surfnr, bcp, domin, domout, nep, faceind = 0;
|
|
int globsel;
|
|
int * selbuf;
|
|
selbuf = 0;
|
|
int bufsize;
|
|
// receive:
|
|
// faceindex
|
|
// nep
|
|
// tri.pnum
|
|
// tri.geominfopi.trignum
|
|
int nlocsel;
|
|
MyMPI_Recv ( selbuf, bufsize, 0);
|
|
int ii= 0;
|
|
int sel = 0;
|
|
|
|
nlocsel = selbuf[ii++];
|
|
paralleltop -> SetNSE ( nlocsel );
|
|
|
|
while ( ii < bufsize-1 )
|
|
{
|
|
globsel = selbuf[ii++];
|
|
faceind = selbuf[ii++];
|
|
bool isghost = selbuf[ii++];
|
|
nep = selbuf[ii++];
|
|
Element2d tri(nep);
|
|
tri.SetIndex(faceind);
|
|
for( j=1; j<=nep; j++)
|
|
{
|
|
tri.PNum(j) = glob2loc_vert_ht.Get (selbuf[ii++]);
|
|
|
|
// tri.GeomInfoPi(j).trignum = paralleltop->Glob2Loc_SurfEl(selbuf[ii++]);
|
|
tri.GeomInfoPi(j).trignum = selbuf[ii++];
|
|
// Frage JS->AS: Brauchst du die trignum irgendwo ?
|
|
// sie sonst nur bei STL - Geometrien benötigt
|
|
// die Umrechnung war ein bottleneck !
|
|
}
|
|
|
|
tri.SetGhost(isghost);
|
|
|
|
paralleltop->SetLoc2Glob_SurfEl ( sel+1, globsel );
|
|
AddSurfaceElement (tri);
|
|
sel ++;
|
|
}
|
|
|
|
delete [] selbuf ;
|
|
}
|
|
|
|
if (strcmp (st.c_str(), "edgesegmentsgi") == 0)
|
|
{
|
|
NgProfiler::RegionTimer reg(timer_edges);
|
|
int endtime, starttime;
|
|
starttime = clock();
|
|
|
|
double * segmbuf = 0;
|
|
int bufsize;
|
|
MyMPI_Recv ( segmbuf, bufsize, 0);
|
|
Segment seg;
|
|
int hi;
|
|
int globsegi;
|
|
int ii = 0;
|
|
int segi = 1;
|
|
int nsegloc = int ( bufsize / 14 ) ;
|
|
paralleltop -> SetNSegm ( nsegloc );
|
|
while ( ii < bufsize )
|
|
{
|
|
globsegi = int (segmbuf[ii++]);
|
|
seg.si = int (segmbuf[ii++]);
|
|
|
|
seg.p1 = glob2loc_vert_ht.Get (int(segmbuf[ii++]));
|
|
seg.p2 = glob2loc_vert_ht.Get (int(segmbuf[ii++]));
|
|
seg.geominfo[0].trignum = int( segmbuf[ii++] );
|
|
seg.geominfo[1].trignum = int ( segmbuf[ii++]);
|
|
seg.surfnr1 = int ( segmbuf[ii++]);
|
|
seg.surfnr2 = int ( segmbuf[ii++]);
|
|
seg.edgenr = int ( segmbuf[ii++]);
|
|
seg.epgeominfo[0].dist = segmbuf[ii++];
|
|
seg.epgeominfo[1].edgenr = int (segmbuf[ii++]);
|
|
seg.epgeominfo[1].dist = segmbuf[ii++];
|
|
|
|
seg.singedge_left = segmbuf[ii++];
|
|
seg.singedge_right = segmbuf[ii++];
|
|
|
|
seg.epgeominfo[0].edgenr = seg.epgeominfo[1].edgenr;
|
|
|
|
seg.domin = seg.surfnr1;
|
|
seg.domout = seg.surfnr2;
|
|
if ( seg.p1 >0 && seg.p2 > 0 )
|
|
{
|
|
paralleltop-> SetLoc2Glob_Segm ( segi, globsegi );
|
|
|
|
AddSegment (seg);
|
|
segi++;
|
|
}
|
|
|
|
}
|
|
delete [] segmbuf;
|
|
endtime = clock();
|
|
(*testout) << "Receiving Time fde = " << double(endtime - starttime)/CLOCKS_PER_SEC << endl;
|
|
}
|
|
|
|
/*
|
|
for ( int eli = 1; eli < GetNE(); eli++ )
|
|
{
|
|
Element & el = VolumeElement(eli);
|
|
}
|
|
*/
|
|
|
|
|
|
if (strcmp (st.c_str(), "endmesh") == 0)
|
|
{
|
|
endmesh = true;
|
|
}
|
|
}
|
|
|
|
|
|
// ohne diesem Zusammenwarten gibts Abstürze, und ich weiß nicht warum ???
|
|
// MPI_Barrier (MPI_COMM_WORLD);
|
|
// PrintMessage (1, "Have recevied the mesh");
|
|
// MPI_Barrier (MPI_COMM_WORLD);
|
|
|
|
|
|
|
|
// paralleltop -> SetNV ( this -> GetNV() );
|
|
// for ( int i = 0; i < GetNV(); i++ )
|
|
// paralleltop -> SetLoc2Glob_Vert ( i+1, (*loc2globvert)[i] );
|
|
|
|
|
|
int timerloc = NgProfiler::CreateTimer ("Update local mesh");
|
|
int timerloc2 = NgProfiler::CreateTimer ("CalcSurfacesOfNode");
|
|
|
|
NgProfiler::RegionTimer regloc(timerloc);
|
|
PrintMessage (2, "Got ", GetNE(), " elements");
|
|
|
|
NgProfiler::StartTimer (timerloc2);
|
|
|
|
CalcSurfacesOfNode ();
|
|
|
|
NgProfiler::StopTimer (timerloc2);
|
|
|
|
// BuildConnectedNodes ();
|
|
|
|
topology -> Update();
|
|
|
|
// UpdateOverlap();
|
|
clusters -> Update();
|
|
|
|
SetNextMajorTimeStamp();
|
|
|
|
// paralleltop->Print();
|
|
|
|
#ifdef SCALASCA
|
|
#pragma pomp inst end(loadmesh)
|
|
#endif
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// distribute the mesh to the slave processors
|
|
// call it only for the master !
|
|
void Mesh :: Distribute ()
|
|
{
|
|
if ( id != 0 || ntasks == 1 ) return;
|
|
// metis partition of mesh, only if more than one proc
|
|
|
|
#ifdef SCALASCA
|
|
#pragma pomp inst begin(metis)
|
|
#endif
|
|
|
|
|
|
// partition mesh
|
|
ParallelMetis ();
|
|
|
|
#ifdef SCALASCA
|
|
#pragma pomp inst end(metis)
|
|
#endif
|
|
|
|
// send partition
|
|
SendMesh ();
|
|
|
|
|
|
paralleltop -> UpdateCoarseGrid();
|
|
|
|
#ifdef SCALASCA
|
|
#pragma pomp inst end(loadmesh_seq)
|
|
#endif
|
|
|
|
// paralleltop -> Print();
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void Mesh :: ParallelMetis ( )
|
|
{
|
|
int timer = NgProfiler::CreateTimer ("Mesh::Partition");
|
|
NgProfiler::RegionTimer reg(timer);
|
|
|
|
PrintMessage (3, "Metis called");
|
|
|
|
if (GetDimension() == 2)
|
|
{
|
|
PartDualHybridMesh2D ( ); // neloc );
|
|
return;
|
|
}
|
|
|
|
|
|
int ne = GetNE();
|
|
int nn = GetNP();
|
|
|
|
if (ntasks <= 2)
|
|
{
|
|
if (ntasks == 1) return;
|
|
|
|
for (int i=1; i<=ne; i++)
|
|
VolumeElement(i).SetPartition(1);
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
bool uniform_els = true;
|
|
ELEMENT_TYPE elementtype = TET; // VolumeElement(1).GetType();
|
|
// metis works only for uniform tet/hex meshes
|
|
for ( int el = 2; el <= GetNE(); el++ )
|
|
if ( VolumeElement(el).GetType() != elementtype )
|
|
{
|
|
// int nelperproc = ne / (ntasks-1);
|
|
// for (int i=1; i<=ne; i++)
|
|
// {
|
|
// int partition = i / nelperproc + 1;
|
|
// if ( partition >= ntasks ) partition = ntasks-1;
|
|
// VolumeElement(i).SetPartition(partition);
|
|
// }
|
|
|
|
uniform_els = false;
|
|
break;
|
|
}
|
|
|
|
// uniform_els = false;
|
|
if (!uniform_els)
|
|
{
|
|
PartHybridMesh ( ); // neloc );
|
|
return;
|
|
}
|
|
|
|
|
|
|
|
// uniform (TET) mesh, JS
|
|
int npe = VolumeElement(1).GetNP();
|
|
|
|
idxtype *elmnts;
|
|
elmnts = new idxtype[ne*npe];
|
|
|
|
int etype;
|
|
if (elementtype == TET)
|
|
etype = 2;
|
|
else if (elementtype == HEX)
|
|
etype = 3;
|
|
|
|
|
|
for (int i=1; i<=ne; i++)
|
|
for (int j=1; j<=npe; j++)
|
|
elmnts[(i-1)*npe+(j-1)] = VolumeElement(i).PNum(j)-1;
|
|
|
|
int numflag = 0;
|
|
int nparts = ntasks-1;
|
|
|
|
int edgecut;
|
|
idxtype *epart, *npart;
|
|
epart = new idxtype[ne];
|
|
npart = new idxtype[nn];
|
|
|
|
|
|
// if ( ntasks == 1 )
|
|
// {
|
|
// (*this) = *mastermesh;
|
|
// nparts = 4;
|
|
// metis :: METIS_PartMeshDual (&ne, &nn, elmnts, &etype, &numflag, &nparts,
|
|
// &edgecut, epart, npart);
|
|
// cout << "done" << endl;
|
|
|
|
// cout << "edge-cut: " << edgecut << ", balance: " << metis :: ComputeElementBalance(ne, nparts, epart) << endl;
|
|
|
|
// for (int i=1; i<=ne; i++)
|
|
// {
|
|
// mastermesh->VolumeElement(i).SetPartition(epart[i-1]);
|
|
// }
|
|
|
|
// return;
|
|
// }
|
|
|
|
|
|
cout << "call metis ... " << flush;
|
|
|
|
int timermetis = NgProfiler::CreateTimer ("Metis itself");
|
|
NgProfiler::StartTimer (timermetis);
|
|
|
|
metis :: METIS_PartMeshDual (&ne, &nn, elmnts, &etype, &numflag, &nparts,
|
|
&edgecut, epart, npart);
|
|
|
|
NgProfiler::StopTimer (timermetis);
|
|
|
|
cout << "complete" << endl;
|
|
cout << "edge-cut: " << edgecut << ", balance: " << metis :: ComputeElementBalance(ne, nparts, epart) << endl;
|
|
|
|
|
|
// partition numbering by metis : 0 ... ntasks - 1
|
|
// we want: 1 ... ntasks
|
|
|
|
for (int i=1; i<=ne; i++)
|
|
VolumeElement(i).SetPartition(epart[i-1] + 1);
|
|
|
|
|
|
delete [] elmnts;
|
|
delete [] epart;
|
|
delete [] npart;
|
|
}
|
|
|
|
|
|
|
|
void Mesh :: PartHybridMesh () // Array<int> & neloc )
|
|
{
|
|
|
|
int ne = GetNE();
|
|
|
|
int nn = GetNP();
|
|
int nedges = topology->GetNEdges();
|
|
|
|
idxtype *xadj, * adjacency, *v_weights = NULL, *e_weights = NULL;
|
|
|
|
int weightflag = 0;
|
|
int numflag = 0;
|
|
int nparts = ntasks - 1;
|
|
|
|
int options[5];
|
|
options[0] = 0;
|
|
int edgecut;
|
|
idxtype * part;
|
|
|
|
xadj = new idxtype[nn+1];
|
|
part = new idxtype[nn];
|
|
|
|
Array<int> cnt(nn+1);
|
|
cnt = 0;
|
|
|
|
for ( int edge = 1; edge <= nedges; edge++ )
|
|
{
|
|
int v1, v2;
|
|
topology->GetEdgeVertices ( edge, v1, v2);
|
|
cnt[v1-1] ++;
|
|
cnt[v2-1] ++;
|
|
}
|
|
|
|
xadj[0] = 0;
|
|
for ( int n = 1; n <= nn; n++ )
|
|
{
|
|
xadj[n] = idxtype(xadj[n-1] + cnt[n-1]);
|
|
}
|
|
|
|
adjacency = new idxtype[xadj[nn]];
|
|
cnt = 0;
|
|
|
|
for ( int edge = 1; edge <= nedges; edge++ )
|
|
{
|
|
int v1, v2;
|
|
topology->GetEdgeVertices ( edge, v1, v2);
|
|
adjacency[ xadj[v1-1] + cnt[v1-1] ] = v2-1;
|
|
adjacency[ xadj[v2-1] + cnt[v2-1] ] = v1-1;
|
|
cnt[v1-1]++;
|
|
cnt[v2-1]++;
|
|
}
|
|
|
|
for ( int vert = 0; vert < nn; vert++ )
|
|
{
|
|
FlatArray<int> array ( cnt[vert], &adjacency[ xadj[vert] ] );
|
|
BubbleSort(array);
|
|
}
|
|
|
|
metis :: METIS_PartGraphKway ( &nn, xadj, adjacency, v_weights, e_weights, &weightflag,
|
|
&numflag, &nparts, options, &edgecut, part );
|
|
|
|
Array<int> nodesinpart(ntasks);
|
|
|
|
for ( int el = 1; el <= ne; el++ )
|
|
{
|
|
Element & volel = VolumeElement(el);
|
|
nodesinpart = 0;
|
|
|
|
// VolumeElement(el).SetPartition(part[ volel[1] ] + 1);
|
|
|
|
int el_np = volel.GetNP();
|
|
int partition = 0;
|
|
for ( int i = 0; i < el_np; i++ )
|
|
nodesinpart[ part[volel[i]-1]+1 ] ++;
|
|
|
|
for ( int i = 1; i < ntasks; i++ )
|
|
if ( nodesinpart[i] > nodesinpart[partition] )
|
|
partition = i;
|
|
|
|
volel.SetPartition(partition);
|
|
|
|
}
|
|
|
|
/*
|
|
for ( int i=1; i<=ne; i++)
|
|
{
|
|
neloc[ VolumeElement(i).GetPartition() ] ++;
|
|
}
|
|
*/
|
|
|
|
delete [] xadj;
|
|
delete [] part;
|
|
delete [] adjacency;
|
|
}
|
|
|
|
|
|
void Mesh :: PartDualHybridMesh ( ) // Array<int> & neloc )
|
|
{
|
|
int ne = GetNE();
|
|
|
|
int nn = GetNP();
|
|
int nedges = topology->GetNEdges();
|
|
int nfaces = topology->GetNFaces();
|
|
|
|
idxtype *xadj, * adjacency, *v_weights = NULL, *e_weights = NULL;
|
|
|
|
int weightflag = 0;
|
|
int numflag = 0;
|
|
int nparts = ntasks - 1;
|
|
|
|
int options[5];
|
|
options[0] = 0;
|
|
int edgecut;
|
|
idxtype * part;
|
|
|
|
Array<int, 0> facevolels1(nfaces), facevolels2(nfaces);
|
|
facevolels1 = -1;
|
|
facevolels2 = -1;
|
|
|
|
Array<int, 0> elfaces;
|
|
xadj = new idxtype[ne+1];
|
|
part = new idxtype[ne];
|
|
|
|
Array<int, 0> cnt(ne+1);
|
|
cnt = 0;
|
|
|
|
for ( int el=1; el <= ne; el++ )
|
|
{
|
|
Element volel = VolumeElement(el);
|
|
topology->GetElementFaces(el, elfaces);
|
|
for ( int i = 0; i < elfaces.Size(); i++ )
|
|
{
|
|
if ( facevolels1[elfaces[i]-1] == -1 )
|
|
facevolels1[elfaces[i]-1] = el;
|
|
else
|
|
{
|
|
facevolels2[elfaces[i]-1] = el;
|
|
cnt[facevolels1[elfaces[i]-1]-1]++;
|
|
cnt[facevolels2[elfaces[i]-1]-1]++;
|
|
}
|
|
}
|
|
}
|
|
|
|
xadj[0] = 0;
|
|
for ( int n = 1; n <= ne; n++ )
|
|
{
|
|
xadj[n] = idxtype(xadj[n-1] + cnt[n-1]);
|
|
}
|
|
|
|
adjacency = new idxtype[xadj[ne]];
|
|
cnt = 0;
|
|
|
|
for ( int face = 1; face <= nfaces; face++ )
|
|
{
|
|
int e1, e2;
|
|
e1 = facevolels1[face-1];
|
|
e2 = facevolels2[face-1];
|
|
if ( e2 == -1 ) continue;
|
|
adjacency[ xadj[e1-1] + cnt[e1-1] ] = e2-1;
|
|
adjacency[ xadj[e2-1] + cnt[e2-1] ] = e1-1;
|
|
cnt[e1-1]++;
|
|
cnt[e2-1]++;
|
|
}
|
|
|
|
for ( int el = 0; el < ne; el++ )
|
|
{
|
|
FlatArray<int> array ( cnt[el], &adjacency[ xadj[el] ] );
|
|
BubbleSort(array);
|
|
}
|
|
|
|
int timermetis = NgProfiler::CreateTimer ("Metis itself");
|
|
NgProfiler::StartTimer (timermetis);
|
|
|
|
metis :: METIS_PartGraphKway ( &ne, xadj, adjacency, v_weights, e_weights, &weightflag,
|
|
&numflag, &nparts, options, &edgecut, part );
|
|
|
|
NgProfiler::StopTimer (timermetis);
|
|
|
|
Array<int> nodesinpart(ntasks);
|
|
|
|
for ( int el = 1; el <= ne; el++ )
|
|
{
|
|
Element & volel = VolumeElement(el);
|
|
nodesinpart = 0;
|
|
|
|
VolumeElement(el).SetPartition(part[el-1 ] + 1);
|
|
|
|
}
|
|
|
|
/*
|
|
for ( int i=1; i<=ne; i++)
|
|
{
|
|
neloc[ VolumeElement(i).GetPartition() ] ++;
|
|
}
|
|
*/
|
|
|
|
delete [] xadj;
|
|
delete [] part;
|
|
delete [] adjacency;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void Mesh :: PartDualHybridMesh2D ( )
|
|
{
|
|
int ne = GetNSE();
|
|
int nv = GetNV();
|
|
|
|
Array<idxtype> xadj(ne+1);
|
|
Array<idxtype> adjacency(ne*4);
|
|
|
|
// first, build the vertex 2 element table:
|
|
Array<int, PointIndex::BASE> cnt(nv);
|
|
cnt = 0;
|
|
for (SurfaceElementIndex sei = 0; sei < GetNSE(); sei++)
|
|
for (int j = 0; j < (*this)[sei].GetNP(); j++)
|
|
cnt[ (*this)[sei][j] ] ++;
|
|
|
|
TABLE<SurfaceElementIndex, PointIndex::BASE> vert2els(cnt);
|
|
for (SurfaceElementIndex sei = 0; sei < GetNSE(); sei++)
|
|
for (int j = 0; j < (*this)[sei].GetNP(); j++)
|
|
vert2els.Add ((*this)[sei][j], sei);
|
|
|
|
|
|
// find all neighbour elements
|
|
int cntnb = 0;
|
|
Array<int> marks(ne); // to visit each neighbour just once
|
|
marks = -1;
|
|
for (SurfaceElementIndex sei = 0; sei < ne; sei++)
|
|
{
|
|
xadj[sei] = cntnb;
|
|
for (int j = 0; j < (*this)[sei].GetNP(); j++)
|
|
{
|
|
PointIndex vnr = (*this)[sei][j];
|
|
|
|
// all elements with at least one common vertex
|
|
for (int k = 0; k < vert2els[vnr].Size(); k++)
|
|
{
|
|
SurfaceElementIndex sei2 = vert2els[vnr][k];
|
|
if (sei == sei2) continue;
|
|
if (marks[sei2] == sei) continue;
|
|
|
|
// neighbour, if two common vertices
|
|
int common = 0;
|
|
for (int m1 = 0; m1 < (*this)[sei].GetNP(); m1++)
|
|
for (int m2 = 0; m2 < (*this)[sei2].GetNP(); m2++)
|
|
if ( (*this)[sei][m1] == (*this)[sei2][m2])
|
|
common++;
|
|
|
|
if (common >= 2)
|
|
{
|
|
marks[sei2] = sei; // mark as visited
|
|
adjacency[cntnb++] = sei2;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
xadj[ne] = cntnb;
|
|
|
|
idxtype *v_weights = NULL, *e_weights = NULL;
|
|
|
|
int weightflag = 0;
|
|
int numflag = 0;
|
|
int nparts = ntasks - 1;
|
|
|
|
int options[5];
|
|
options[0] = 0;
|
|
int edgecut;
|
|
Array<idxtype> part(ne);
|
|
|
|
for ( int el = 0; el < ne; el++ )
|
|
BubbleSort (adjacency.Range (xadj[el], xadj[el+1]));
|
|
|
|
metis :: METIS_PartGraphKway ( &ne, &xadj[0], &adjacency[0], v_weights, e_weights, &weightflag,
|
|
&numflag, &nparts, options, &edgecut, &part[0] );
|
|
|
|
for (SurfaceElementIndex sei = 0; sei < ne; sei++)
|
|
(*this) [sei].SetPartition (part[sei]+1);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void Mesh :: SendMesh () const // Mesh * mastermesh, Array<int> & neloc ) const
|
|
{
|
|
const Mesh * mastermesh = this; // the original plan was different
|
|
|
|
PrintMessage ( 1, "Sending Mesh to local processors" );
|
|
|
|
int timer = NgProfiler::CreateTimer ("SendMesh");
|
|
int timer2 = NgProfiler::CreateTimer ("SM::Prepare Points");
|
|
int timer3 = NgProfiler::CreateTimer ("SM::Send Points");
|
|
int timer4 = NgProfiler::CreateTimer ("SM::Send Elements");
|
|
// int timer5 = NgProfiler::CreateTimer ("SM::Prepare Poins");
|
|
|
|
NgProfiler::RegionTimer reg(timer);
|
|
|
|
#ifdef SCALASCA
|
|
#pragma pomp inst begin(sendmesh)
|
|
#endif
|
|
|
|
NgProfiler::StartTimer (timer2);
|
|
|
|
clock_t starttime, endtime, soltime;
|
|
starttime = clock();
|
|
|
|
|
|
paralleltop -> SetNV ( GetNV() );
|
|
paralleltop -> SetNE ( GetNE() );
|
|
paralleltop -> SetNSegm ( GetNSeg() );
|
|
paralleltop -> SetNSE ( GetNSE() );
|
|
|
|
|
|
MPI_Request sendrequest[ntasks];
|
|
|
|
for ( int dest = 1; dest < ntasks; dest++)
|
|
MyMPI_Send ("mesh", dest);
|
|
|
|
// MPI_Barrier (MPI_COMM_WORLD);
|
|
|
|
|
|
Array<int> num_els_on_proc(ntasks);
|
|
num_els_on_proc = 0;
|
|
for (ElementIndex ei = 0; ei < mastermesh->GetNE(); ei++)
|
|
num_els_on_proc[(*this)[ei].GetPartition()]++;
|
|
|
|
int nel = GetNE();
|
|
int nv = GetNV();
|
|
int nedges = (GetTopology().GetNEdges());
|
|
int nfaces = GetTopology().GetNFaces();
|
|
int dim = dimension;
|
|
MPI_Bcast( &nel, 1, MPI_INT, 0, MPI_COMM_WORLD );
|
|
MPI_Bcast( &nv, 1, MPI_INT, 0, MPI_COMM_WORLD );
|
|
MPI_Bcast( &nedges, 1, MPI_INT, 0, MPI_COMM_WORLD );
|
|
MPI_Bcast( &nfaces, 1, MPI_INT, 0, MPI_COMM_WORLD );
|
|
MPI_Bcast( &dim, 1, MPI_INT, 0, MPI_COMM_WORLD );
|
|
for ( int dest = 1; dest < ntasks; dest++ )
|
|
MyMPI_Send (num_els_on_proc[dest], dest);
|
|
|
|
|
|
// get number of vertices for each processor
|
|
Array<int> elarraysize(ntasks);
|
|
Array<int> nelloc ( ntasks );
|
|
|
|
nelloc = 0;
|
|
elarraysize = 1;
|
|
|
|
PrintMessage ( 3, "Sending vertices");
|
|
|
|
TABLE<ElementIndex> els_of_proc (num_els_on_proc);
|
|
for (ElementIndex ei = 0; ei < mastermesh->GetNE(); ei++)
|
|
els_of_proc.Add ( (*this)[ei].GetPartition(), ei);
|
|
|
|
|
|
Array<int, PointIndex::BASE> vert_flag ( GetNV() );
|
|
|
|
Array<int> num_verts_on_proc (ntasks);
|
|
Array<int, PointIndex::BASE> num_procs_on_vert ( GetNV() );
|
|
|
|
num_verts_on_proc = 0;
|
|
num_procs_on_vert = 0;
|
|
|
|
vert_flag = -1;
|
|
for (int dest = 1; dest < ntasks; dest++)
|
|
{
|
|
FlatArray<ElementIndex> els = els_of_proc[dest];
|
|
|
|
for (int hi = 0; hi < els.Size(); hi++)
|
|
{
|
|
const Element & el = (*this) [ els[hi] ];
|
|
for (int i = 0; i < el.GetNP(); i++)
|
|
{
|
|
PointIndex epi = el[i];
|
|
if (vert_flag[epi] < dest)
|
|
{
|
|
vert_flag[epi] = dest;
|
|
|
|
num_verts_on_proc[dest]++;
|
|
num_procs_on_vert[epi]++;
|
|
|
|
paralleltop -> SetDistantPNum ( dest, epi, num_verts_on_proc[dest]);
|
|
}
|
|
}
|
|
|
|
elarraysize[dest] += 3 + el.GetNP();
|
|
nelloc[dest] ++;
|
|
paralleltop -> SetDistantEl ( dest, els[hi]+1, nelloc[dest] );
|
|
}
|
|
}
|
|
|
|
TABLE<PointIndex> verts_of_proc (num_verts_on_proc);
|
|
TABLE<int, PointIndex::BASE> procs_of_vert (num_procs_on_vert);
|
|
TABLE<int, PointIndex::BASE> loc_num_of_vert (num_procs_on_vert);
|
|
|
|
vert_flag = -1;
|
|
for (int dest = 1; dest < ntasks; dest++)
|
|
{
|
|
FlatArray<ElementIndex> els = els_of_proc[dest];
|
|
|
|
for (int hi = 0; hi < els.Size(); hi++)
|
|
{
|
|
const Element & el = (*mastermesh) [ els[hi] ];
|
|
|
|
for (int i = 0; i < el.GetNP(); i++)
|
|
{
|
|
PointIndex epi = el.PNum(i+1);
|
|
if (vert_flag[epi] < dest)
|
|
{
|
|
vert_flag[epi] = dest;
|
|
procs_of_vert.Add (epi, dest);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
for (int vert = 1; vert <= mastermesh->GetNP(); vert++ )
|
|
{
|
|
FlatArray<int> procs = procs_of_vert[vert];
|
|
for (int j = 0; j < procs.Size(); j++)
|
|
{
|
|
int dest = procs[j];
|
|
verts_of_proc.Add (dest, vert);
|
|
loc_num_of_vert.Add (vert, verts_of_proc[dest].Size());
|
|
}
|
|
}
|
|
|
|
|
|
Array<int> nvi5(ntasks);
|
|
for (int i = 0; i < ntasks; i++)
|
|
nvi5[i] = 5 * num_verts_on_proc[i];
|
|
|
|
TABLE<double> pointarrays(nvi5);
|
|
|
|
NgProfiler::StopTimer (timer2);
|
|
NgProfiler::StartTimer (timer3);
|
|
|
|
for (int dest = 1; dest < ntasks; dest++)
|
|
{
|
|
FlatArray<PointIndex> verts = verts_of_proc[dest];
|
|
|
|
for ( int j = 0, ii = 0; j < verts.Size(); j++)
|
|
{
|
|
const MeshPoint & hp = mastermesh -> Point (verts[j]);
|
|
pointarrays.Add (dest, double(verts[j]));
|
|
pointarrays.Add (dest, hp(0));
|
|
pointarrays.Add (dest, hp(1));
|
|
pointarrays.Add (dest, hp(2));
|
|
pointarrays.Add (dest, hp.Singularity());
|
|
}
|
|
|
|
MyMPI_Send ( "vertex", dest );
|
|
MyMPI_ISend ( pointarrays[dest], dest, sendrequest[dest] );
|
|
MPI_Request_free (&sendrequest[dest]);
|
|
}
|
|
|
|
NgProfiler::StopTimer (timer3);
|
|
NgProfiler::StartTimer (timer4);
|
|
|
|
Array<int> num_distpnums(ntasks);
|
|
num_distpnums = 0;
|
|
|
|
for (int vert = 1; vert <= mastermesh -> GetNP(); vert++)
|
|
{
|
|
FlatArray<int> procs = procs_of_vert[vert];
|
|
for (int j = 0; j < procs.Size(); j++)
|
|
num_distpnums[procs[j]] += 3 * (procs.Size()-1);
|
|
}
|
|
|
|
TABLE<int> distpnums (num_distpnums);
|
|
|
|
for (int vert = 1; vert <= mastermesh -> GetNP(); vert++)
|
|
{
|
|
FlatArray<int> procs = procs_of_vert[vert];
|
|
for (int j = 0; j < procs.Size(); j++)
|
|
for (int k = 0; k < procs.Size(); k++)
|
|
if (j != k)
|
|
{
|
|
distpnums.Add (procs[j], loc_num_of_vert[vert][j]);
|
|
distpnums.Add (procs[j], procs_of_vert[vert][k]);
|
|
distpnums.Add (procs[j], loc_num_of_vert[vert][k]);
|
|
}
|
|
}
|
|
|
|
for ( int dest = 1; dest < ntasks; dest ++ )
|
|
{
|
|
MyMPI_ISend ( distpnums[dest], dest, sendrequest[dest] );
|
|
MPI_Request_free (&sendrequest[dest]);
|
|
}
|
|
|
|
|
|
endtime = clock();
|
|
(*testout) << "Sending Time verts = " << double(endtime - starttime)/CLOCKS_PER_SEC << endl;
|
|
|
|
|
|
|
|
PrintMessage ( 3, "Sending elements" );
|
|
TABLE<int> elementarrays(elarraysize);
|
|
|
|
starttime = clock();
|
|
|
|
// for ( int dest = 1; dest < ntasks; dest ++ )
|
|
// MyMPI_Send ( "volumeelements", dest);
|
|
|
|
for ( int dest = 1; dest < ntasks; dest++ )
|
|
elementarrays.Add (dest, nelloc[dest]);
|
|
|
|
for ( int ei = 1; ei <= mastermesh->GetNE(); ei++)
|
|
{
|
|
const Element & el = mastermesh -> VolumeElement (ei);
|
|
int dest = el.GetPartition();
|
|
|
|
if ( dest > 0 )
|
|
{
|
|
// send volume element
|
|
|
|
elementarrays.Add (dest, ei); //
|
|
elementarrays.Add (dest, el.GetIndex());
|
|
elementarrays.Add (dest, el.GetNP());
|
|
for ( int ii=0; ii<el.GetNP(); ii++)
|
|
elementarrays.Add (dest, el[ii]);
|
|
}
|
|
}
|
|
|
|
for ( int dest = 1; dest < ntasks; dest ++ )
|
|
{
|
|
MyMPI_Send ( "volumeelements", dest);
|
|
MyMPI_ISend ( elementarrays[dest], dest, sendrequest[dest] );
|
|
}
|
|
|
|
// for (int dest = 1; dest < ntasks; dest++)
|
|
// MPI_Request_free (&sendrequest[dest]);
|
|
|
|
NgProfiler::StopTimer (timer4);
|
|
|
|
|
|
endtime = clock();
|
|
(*testout) << "Sending Time els = " << double(endtime - starttime)/CLOCKS_PER_SEC << endl;
|
|
starttime = clock();
|
|
|
|
PrintMessage ( 3, "Sending Face Descriptors" );
|
|
|
|
|
|
Array<double> double6(6);
|
|
for ( int dest = 1; dest < ntasks; dest++)
|
|
for ( int fdi = 1; fdi <= mastermesh->GetNFD(); fdi++)
|
|
{
|
|
MyMPI_Send("facedescriptor", dest);
|
|
|
|
double6[0] = GetFaceDescriptor(fdi).SurfNr();
|
|
double6[1] = GetFaceDescriptor(fdi).DomainIn();
|
|
double6[2] = GetFaceDescriptor(fdi).DomainOut();
|
|
double6[3] = GetFaceDescriptor(fdi).BCProperty();
|
|
double6[4] = GetFaceDescriptor(fdi).domin_singular;
|
|
double6[5] = GetFaceDescriptor(fdi).domout_singular;
|
|
|
|
MyMPI_Send ( double6, dest);
|
|
}
|
|
|
|
endtime = clock();
|
|
(*testout) << "Sending Time fdi = " << double(endtime - starttime)/CLOCKS_PER_SEC << endl;
|
|
starttime = clock();
|
|
|
|
// hasglobalsurf( edgenr * ntasks + dest ) .... global edge edgenr is in mesh at dest
|
|
// BitArray hasglobaledge;
|
|
|
|
// hasglobaledge.SetSize(ntasks * nedglob);
|
|
// hasglobaledge.Clear();
|
|
// cout << "mmf " << mastermesh->GetTopology().GetNFaces() << endl;
|
|
// determine sizes of local surface element arrays
|
|
|
|
PrintMessage ( 3, "Sending Surface elements" );
|
|
|
|
Array <int> nlocsel(ntasks), bufsize ( ntasks), seli(ntasks);
|
|
for ( int i = 0; i < ntasks; i++)
|
|
{
|
|
nlocsel[i] = 0;
|
|
bufsize[i] = 1;
|
|
seli[i] = 1;
|
|
}
|
|
|
|
for ( int sei = 1; sei <= mastermesh -> GetNSE(); sei ++ )
|
|
{
|
|
int ei1, ei2;
|
|
mastermesh -> GetTopology().GetSurface2VolumeElement (sei, ei1, ei2);
|
|
const Element2d & sel = mastermesh -> SurfaceElement (sei);
|
|
int dest;
|
|
// first element
|
|
|
|
for (int j = 0; j < 2; j++)
|
|
{
|
|
int ei = (j == 0) ? ei1 : ei2;
|
|
|
|
if ( ei > 0 && ei <= mastermesh->GetNE() )
|
|
{
|
|
const Element & el = mastermesh -> VolumeElement (ei);
|
|
dest = el.GetPartition();
|
|
nlocsel[dest] ++;
|
|
bufsize[dest] += 4 + 2*sel.GetNP();
|
|
}
|
|
}
|
|
}
|
|
|
|
int ** selbuf = 0;
|
|
selbuf = new int*[ntasks];
|
|
for ( int i = 0; i < ntasks; i++)
|
|
if ( bufsize[i] > 0 )
|
|
{*(selbuf+i) = new int[bufsize[i]];}
|
|
else
|
|
selbuf[i] = 0;
|
|
|
|
|
|
|
|
Array<int> nselloc (ntasks);
|
|
nselloc = 0;
|
|
|
|
for ( int dest = 1; dest < ntasks; dest++ )
|
|
{
|
|
MyMPI_Send ( "surfaceelementsgi", dest);
|
|
selbuf[dest][0] = nlocsel[dest];
|
|
}
|
|
|
|
for ( int sei = 1; sei <= mastermesh -> GetNSE(); sei ++ )
|
|
{
|
|
int ei1, ei2;
|
|
mastermesh -> GetTopology().GetSurface2VolumeElement (sei, ei1, ei2);
|
|
const Element2d & sel = mastermesh -> SurfaceElement (sei);
|
|
int dest;
|
|
|
|
|
|
|
|
int isghost = 0;
|
|
|
|
for (int j = 0; j < 2; j++)
|
|
{
|
|
int ei = (j == 0) ? ei1 : ei2;
|
|
|
|
if ( ei > 0 && ei <= mastermesh->GetNE() )
|
|
{
|
|
const Element & el = mastermesh -> VolumeElement (ei);
|
|
dest = el.GetPartition();
|
|
if (dest > 0)
|
|
{
|
|
// send:
|
|
// sei
|
|
// faceind
|
|
// nep
|
|
// tri.pnums, tri.geominfopi.trignums
|
|
|
|
selbuf[dest][seli[dest]++] = sei;
|
|
selbuf[dest][seli[dest]++] = sel.GetIndex();
|
|
selbuf[dest][seli[dest]++] = isghost;
|
|
selbuf[dest][seli[dest]++] = sel.GetNP();
|
|
|
|
for ( int ii = 1; ii <= sel.GetNP(); ii++)
|
|
{
|
|
selbuf[dest][seli[dest]++] = sel.PNum(ii);
|
|
selbuf[dest][seli[dest]++] = sel.GeomInfoPi(ii).trignum;
|
|
}
|
|
nselloc[dest] ++;
|
|
paralleltop -> SetDistantSurfEl ( dest, sei, nselloc[dest] );
|
|
isghost = 1;
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
for ( int dest = 1; dest < ntasks; dest++)
|
|
MyMPI_Send( selbuf[dest], bufsize[dest], dest);
|
|
|
|
for ( int dest = 0; dest < ntasks; dest++ )
|
|
{
|
|
if (selbuf[dest])
|
|
delete [] *(selbuf+dest);
|
|
}
|
|
delete [] selbuf;
|
|
|
|
|
|
endtime = clock();
|
|
(*testout) << "Sending Time surfels = " << double(endtime - starttime)/CLOCKS_PER_SEC << endl;
|
|
starttime = clock();
|
|
|
|
|
|
PrintMessage ( 3, "Sending Edge Segments");
|
|
for ( int dest = 1; dest < ntasks; dest++ )
|
|
MyMPI_Send ( "edgesegmentsgi", dest);
|
|
|
|
|
|
Array <int> nlocseg(ntasks), segi(ntasks);
|
|
for ( int i = 0; i < ntasks; i++)
|
|
{
|
|
nlocseg[i] = 0;
|
|
bufsize[i] = 0;
|
|
segi[i] = 0;
|
|
}
|
|
|
|
for ( int segi = 1; segi <= mastermesh -> GetNSeg(); segi ++ )
|
|
{
|
|
Array<int> volels;
|
|
const MeshTopology & topol = mastermesh -> GetTopology();
|
|
topol . GetSegmentVolumeElements ( segi, volels );
|
|
const Segment & segm = mastermesh -> LineSegment (segi);
|
|
int dest;
|
|
for (int j = 0; j < volels.Size(); j++)
|
|
{
|
|
int ei = volels[j];
|
|
int dest;
|
|
if ( ei > 0 && ei <= mastermesh->GetNE() )
|
|
{
|
|
const Element & el = mastermesh -> VolumeElement (ei);
|
|
dest = el.GetPartition();
|
|
nlocseg[dest] ++;
|
|
bufsize[dest] += 14;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
|
|
double ** segmbuf;
|
|
segmbuf = new double*[ntasks];
|
|
for ( int i = 0; i < ntasks; i++)
|
|
if ( bufsize[i] > 0 )
|
|
segmbuf[i] = new double[bufsize[i]];
|
|
else
|
|
segmbuf[i] = 0;
|
|
|
|
// cout << "mastermesh " << mastermesh -> GetNSeg() << " lineseg " << mastermesh -> LineSegment (1) << endl;
|
|
for ( int ls=1; ls <= mastermesh -> GetNSeg(); ls++)
|
|
{
|
|
Array<int> volels;
|
|
mastermesh -> GetTopology().GetSegmentVolumeElements ( ls, volels );
|
|
const Segment & seg = mastermesh -> LineSegment (ls);
|
|
int dest;
|
|
|
|
for (int j = 0; j < volels.Size(); j++)
|
|
{
|
|
int ei = volels[j];
|
|
int dest;
|
|
if ( ei > 0 && ei <= mastermesh->GetNE() )
|
|
{
|
|
const Element & el = mastermesh -> VolumeElement (ei);
|
|
dest = el.GetPartition();
|
|
|
|
|
|
if ( dest > 0 )
|
|
{
|
|
segmbuf[dest][segi[dest]++] = ls;
|
|
segmbuf[dest][segi[dest]++] = seg.si;
|
|
segmbuf[dest][segi[dest]++] = seg.p1;
|
|
segmbuf[dest][segi[dest]++] = seg.p2;
|
|
segmbuf[dest][segi[dest]++] = seg.geominfo[0].trignum;
|
|
segmbuf[dest][segi[dest]++] = seg.geominfo[1].trignum;
|
|
segmbuf[dest][segi[dest]++] = seg.surfnr1;
|
|
segmbuf[dest][segi[dest]++] = seg.surfnr2;
|
|
segmbuf[dest][segi[dest]++] = seg.edgenr;
|
|
segmbuf[dest][segi[dest]++] = seg.epgeominfo[0].dist;
|
|
segmbuf[dest][segi[dest]++] = seg.epgeominfo[1].edgenr;
|
|
segmbuf[dest][segi[dest]++] = seg.epgeominfo[1].dist;
|
|
segmbuf[dest][segi[dest]++] = seg.singedge_right;
|
|
segmbuf[dest][segi[dest]++] = seg.singedge_left;
|
|
}
|
|
paralleltop -> SetDistantSegm ( dest, ls, int ( segi[dest] / 14 ) );
|
|
}
|
|
}
|
|
}
|
|
|
|
PrintMessage ( 3, "sending segments" );
|
|
|
|
for ( int dest = 1; dest < ntasks; dest++)
|
|
{
|
|
MyMPI_Send( segmbuf[dest], bufsize[dest], dest);
|
|
}
|
|
|
|
for ( int dest = 0; dest < ntasks; dest++ )
|
|
{
|
|
if ( segmbuf[dest] )
|
|
delete [] segmbuf[dest];
|
|
}
|
|
delete [] segmbuf;
|
|
|
|
PrintMessage ( 3, "segments sent");
|
|
|
|
endtime = clock();
|
|
(*testout) << "Sending Time segments = " << double(endtime - starttime)/CLOCKS_PER_SEC << endl;
|
|
starttime = clock();
|
|
|
|
|
|
for ( int dest = 1; dest < ntasks; dest++ )
|
|
MyMPI_Send("endmesh", dest);
|
|
|
|
|
|
for ( int dest = 1; dest < ntasks; dest ++ )
|
|
{
|
|
MPI_Status status;
|
|
MPI_Wait (&sendrequest[dest], &status);
|
|
}
|
|
|
|
#ifdef SCALASCA
|
|
#pragma pomp inst end(sendmesh)
|
|
#endif
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void Mesh :: UpdateOverlap()
|
|
{
|
|
(*testout) << "UPDATE OVERLAP" << endl;
|
|
Array<int> * globelnums;
|
|
|
|
#ifdef SCALASCA
|
|
#pragma pomp inst begin(updateoverlap)
|
|
#endif
|
|
|
|
paralleltop->IncreaseOverlap();
|
|
|
|
if ( id > 0 )
|
|
{
|
|
int nvglob = paralleltop->GetNVGlob ();
|
|
int nelglob = paralleltop->GetNEGlob();
|
|
|
|
int nv = GetNV();
|
|
int ned = topology -> GetNEdges();
|
|
int nfa = topology -> GetNFaces();
|
|
int nel = GetNE();
|
|
|
|
Array<int,PointIndex::BASE> glob2loc_vert(nvglob);
|
|
glob2loc_vert = -1;
|
|
|
|
for ( int locv = 1; locv <= GetNV(); locv++)
|
|
{
|
|
int globv = paralleltop->GetLoc2Glob_Vert(locv);
|
|
glob2loc_vert[globv] = locv;
|
|
}
|
|
|
|
BitArray addedpoint ( paralleltop -> GetNVGlob () );
|
|
BitArray addedel ( paralleltop -> GetNEGlob () );
|
|
addedpoint.Clear();
|
|
addedel.Clear();
|
|
|
|
Array<int> distvert(ntasks), distel(ntasks), nsenddistel(ntasks);
|
|
|
|
nsenddistel = 0;
|
|
|
|
MyMPI_Allgather (GetNV(), distvert.Range(1, ntasks), MPI_HIGHORDER_COMM);
|
|
MyMPI_Allgather (GetNE(), distel.Range(1, ntasks), MPI_HIGHORDER_COMM);
|
|
|
|
BitArray appendedpoint ( GetNP() * ntasks );
|
|
appendedpoint.Clear();
|
|
|
|
TABLE<double> sendpoints(ntasks);
|
|
TABLE<int> sendelements(ntasks);
|
|
TABLE<int> sendsel(ntasks);
|
|
|
|
/*
|
|
TABLE<int> cluster_neighbors(nv+ned+nfa+nel);
|
|
|
|
for ( int node = 1; node <= nv+ned+nfa+nel; node++ )
|
|
{
|
|
int cluster_rep;
|
|
cluster_rep = clusters->GetVertexRepresentant(node);
|
|
|
|
if ( node == cluster_rep ) continue;
|
|
|
|
Array<int> dests;
|
|
int nneigh = 0;
|
|
if ( node - GetNV() <= 0 ) // cluster representant is vertex
|
|
{
|
|
int vert = node;
|
|
if ( paralleltop -> IsExchangeVert( vert ) )
|
|
{
|
|
nneigh = paralleltop -> GetNDistantPNums(vert);
|
|
dests.SetSize(2*nneigh);
|
|
paralleltop -> GetDistantPNums ( vert, &dests[0] );
|
|
}
|
|
}
|
|
else if ( node - GetNV() - ned <= 0 ) // cluster representant is edge
|
|
{
|
|
int edge = node - GetNV();
|
|
if ( paralleltop -> IsExchangeEdge( edge ) )
|
|
{
|
|
nneigh = paralleltop -> GetNDistantEdgeNums(edge);
|
|
dests.SetSize(2*nneigh);
|
|
paralleltop -> GetDistantEdgeNums ( edge, &dests[0] );
|
|
}
|
|
}
|
|
else if ( node - GetNV() - ned - nfa <= 0 ) // cluster representant is face
|
|
{
|
|
int face = node - GetNV() - ned;
|
|
if ( paralleltop -> IsExchangeFace( face ) )
|
|
{
|
|
nneigh = paralleltop -> GetNDistantFaceNums(face);
|
|
dests.SetSize(2*nneigh);
|
|
paralleltop -> GetDistantFaceNums ( face, &dests[0] );
|
|
}
|
|
}
|
|
else // cluster representant is element
|
|
{
|
|
int el = node - GetNV() - ned - nfa;
|
|
if ( paralleltop -> IsExchangeElement( el ) )
|
|
{
|
|
nneigh = paralleltop -> GetNDistantElNums(el);
|
|
dests.SetSize(2*nneigh);
|
|
paralleltop -> GetDistantElNums ( el, &dests[0] );
|
|
}
|
|
}
|
|
|
|
for ( int j = 1; j < nneigh; j++ )
|
|
if ( !cluster_neighbors[cluster_rep].Contains ( dests[2*j] ) )
|
|
{
|
|
cluster_neighbors.Add( cluster_rep-1, dests[2*j] );
|
|
}
|
|
}
|
|
*/
|
|
|
|
for ( int i = 0; i < ntasks; i++ )
|
|
{
|
|
sendelements.Add (i, 0);
|
|
sendsel.Add(i, 0);
|
|
}
|
|
|
|
Array<int> nsentsel (ntasks);
|
|
nsentsel = 0;
|
|
|
|
for ( int seli = 1; seli <= GetNSE(); seli++ )
|
|
{
|
|
const Element2d & sel = SurfaceElement(seli);
|
|
int selnp = sel.GetNP();
|
|
Array<int> vert (selnp);
|
|
|
|
Array<int> alldests (0), dests;
|
|
|
|
bool isparsel = false;
|
|
for ( int i = 0; i < selnp; i++ )
|
|
{
|
|
vert[i] = sel.PNum(i+1);
|
|
if ( paralleltop -> IsExchangeVert ( vert[i] ) )
|
|
{
|
|
isparsel = true;
|
|
paralleltop -> GetVertNeighbours ( vert[i], dests );
|
|
for ( int j = 0; j < dests.Size(); j++ )
|
|
if ( !alldests.Contains ( dests[j] ) )
|
|
alldests.Append( dests[j] );
|
|
}
|
|
}
|
|
|
|
/*
|
|
int face = topology->GetSurfaceElementFace(seli);
|
|
int cluster_rep = clusters->GetFaceRepresentant(face);
|
|
if ( cluster_neighbors[cluster_rep-1].Size() > 0 )
|
|
{
|
|
isparsel = true;
|
|
for ( int j = 0; j < cluster_neighbors[cluster_rep-1].Size(); j++ )
|
|
if ( !alldests.Contains ( cluster_neighbors[cluster_rep-1][j] ) )
|
|
alldests.Append( cluster_neighbors[cluster_rep-1][j] );
|
|
|
|
}
|
|
*/
|
|
|
|
if ( !isparsel ) continue;
|
|
|
|
for ( int i = 0; i < alldests.Size(); i ++ )
|
|
{
|
|
// send the surface element to all distant procs:
|
|
|
|
// loc number,
|
|
// number of points
|
|
// global vert numbers
|
|
// surface_element_index
|
|
|
|
int dest = alldests[i];
|
|
|
|
// ***************** MISSING id = 0
|
|
if ( dest == 0 ) continue;
|
|
|
|
sendsel.Add (dest, seli);
|
|
sendsel.Add (dest, selnp);
|
|
|
|
for ( int ii=0; ii<selnp; ii++)
|
|
{
|
|
sendsel.Add (dest, paralleltop -> GetLoc2Glob_Vert (vert[ii]) );
|
|
}
|
|
sendsel.Add (dest, sel.GetIndex() );
|
|
nsentsel[dest] ++;
|
|
}
|
|
}
|
|
for ( int dest = 1; dest < ntasks; dest++ )
|
|
sendsel[dest][0] = nsentsel[dest];
|
|
|
|
for ( int eli = 1; eli <= GetNE(); eli++ )
|
|
{
|
|
const Element & el = VolumeElement(eli);
|
|
int elnp = el.GetNP();
|
|
Array<int> vert (elnp);
|
|
|
|
Array<int> alldests (0), dests;
|
|
|
|
for ( int i = 0; i < elnp; i++ )
|
|
{
|
|
vert[i] = el.PNum(i+1);
|
|
if ( paralleltop -> IsExchangeVert ( vert[i] ) )
|
|
{
|
|
paralleltop -> GetVertNeighbours ( vert[i], dests );
|
|
for ( int j = 0; j < dests.Size(); j++ )
|
|
if ( !alldests.Contains ( dests[j] ) )
|
|
{
|
|
alldests.Append( dests[j] );
|
|
paralleltop->SetExchangeElement ( dests[j], eli );
|
|
}
|
|
paralleltop->SetExchangeElement ( eli );
|
|
}
|
|
}
|
|
|
|
/*
|
|
int cluster_rep = clusters->GetElementRepresentant(eli);
|
|
if ( cluster_neighbors[cluster_rep-1].Size() > 0 )
|
|
{
|
|
for ( int j = 0; j < cluster_neighbors[cluster_rep-1].Size(); j++ )
|
|
if ( !alldests.Contains ( cluster_neighbors[cluster_rep-1][j] ) )
|
|
{
|
|
alldests.Append( cluster_neighbors[cluster_rep-1][j] );
|
|
paralleltop->SetExchangeElement ( cluster_neighbors[cluster_rep-1][j], eli );
|
|
}
|
|
paralleltop->SetExchangeElement ( eli );
|
|
|
|
}
|
|
*/
|
|
}
|
|
|
|
for ( int eli = 1; eli <= GetNE(); eli++ )
|
|
{
|
|
const Element & el = VolumeElement(eli);
|
|
int elnp = el.GetNP();
|
|
Array<int> vert (elnp);
|
|
|
|
// append to point list:
|
|
// local pnum
|
|
// global pnum
|
|
// point coordinates
|
|
|
|
Array<Point3d> points(elnp);
|
|
for ( int i = 0; i < elnp; i++ )
|
|
{
|
|
vert[i] = el.PNum(i+1);
|
|
points[i] = Point(vert[i]);
|
|
Array<int> knowndests;
|
|
// send point to all dests which get the volume element
|
|
for ( int dest = 0; dest < ntasks; dest ++ )
|
|
{
|
|
// nur die neuen verts
|
|
if ( !paralleltop -> IsExchangeElement ( dest, eli ) ) continue;
|
|
|
|
// jeder vertex nur ein mal
|
|
if ( appendedpoint.Test( (vert[i]-1) * ntasks + dest ) ) continue;
|
|
|
|
appendedpoint.Set( (vert[i]-1) * ntasks + dest );
|
|
paralleltop -> SetExchangeVert (dest, vert[i]);
|
|
paralleltop -> SetExchangeVert ( vert[i] );
|
|
|
|
|
|
// append vertex to be sent
|
|
// loc pnum
|
|
// glob pnum
|
|
// coords
|
|
|
|
// local pnum
|
|
sendpoints.Add (dest, vert[i]);
|
|
|
|
// global pnum
|
|
sendpoints.Add (dest, paralleltop -> GetLoc2Glob_Vert ( vert[i] ) );
|
|
// coordinates
|
|
sendpoints.Add (dest, points[i].X() );
|
|
sendpoints.Add (dest, points[i].Y() );
|
|
sendpoints.Add (dest, points[i].Z() );
|
|
}
|
|
}
|
|
|
|
|
|
for ( int dest = 1; dest < ntasks; dest ++ )
|
|
{
|
|
// send the volume element to all distant procs:
|
|
|
|
// loc number,
|
|
// glob number
|
|
// number of points
|
|
// glob vertices
|
|
// element_index
|
|
if ( !paralleltop -> IsExchangeElement ( dest, eli ) ) continue;
|
|
|
|
// loc number
|
|
sendelements.Add (dest, eli);
|
|
// glob number
|
|
sendelements.Add (dest, paralleltop -> GetLoc2Glob_VolEl(eli));
|
|
|
|
sendelements.Add (dest, elnp);
|
|
|
|
for ( int j = 0; j < elnp; j++ )
|
|
sendelements.Add (dest, paralleltop -> GetLoc2Glob_Vert(vert[j]) );
|
|
sendelements.Add (dest, el.GetIndex() );
|
|
|
|
distel[dest]++;
|
|
nsenddistel[dest] ++;
|
|
paralleltop -> SetDistantEl ( dest, eli, -1);// distel[dest] );
|
|
}
|
|
|
|
|
|
}
|
|
for ( int dest = 1; dest < ntasks; dest++ )
|
|
if ( dest != id )
|
|
sendelements[dest][0] = nsenddistel[dest];
|
|
// find parallel surface elements, if there, append to sendsel - list
|
|
|
|
|
|
distel = 0;
|
|
|
|
// sizes of sendpoints, sendelements, sendsels
|
|
Array<int> sendsize_pts(ntasks), recvsize_pts(ntasks);
|
|
Array<int> sendsize_els(ntasks), recvsize_els(ntasks);
|
|
Array<int> sendsize_sels(ntasks), recvsize_sels(ntasks);
|
|
|
|
for (int i = 0; i < ntasks; i++)
|
|
{
|
|
sendsize_pts[i] = sendpoints[i].Size();
|
|
sendsize_els[i] = sendelements[i].Size();
|
|
sendsize_sels[i] = sendsel[i].Size();
|
|
}
|
|
|
|
MyMPI_Alltoall (sendsize_pts.Range(1, ntasks), recvsize_pts.Range(1, ntasks), MPI_HIGHORDER_COMM);
|
|
MyMPI_Alltoall (sendsize_els.Range(1, ntasks), recvsize_els.Range(1, ntasks), MPI_HIGHORDER_COMM);
|
|
MyMPI_Alltoall (sendsize_sels.Range(1, ntasks), recvsize_sels.Range(1, ntasks), MPI_HIGHORDER_COMM);
|
|
recvsize_pts[0] = 0;
|
|
recvsize_els[0] = 0;
|
|
recvsize_sels[0] = 0;
|
|
|
|
TABLE<double> recvpoints(recvsize_pts);
|
|
TABLE<int> recvelements(recvsize_els);
|
|
TABLE<int> recvsel(recvsize_sels);
|
|
|
|
recvpoints.SetElementSizesToMaxSizes ();
|
|
recvelements.SetElementSizesToMaxSizes ();
|
|
recvsel.SetElementSizesToMaxSizes ();
|
|
|
|
/*
|
|
Array<MPI_Request> sendrequest(3*ntasks), recvrequest(3*ntasks);
|
|
Array<MPI_Status> status(3*ntasks);
|
|
|
|
for ( int proc = 1; proc < ntasks; proc++)
|
|
{
|
|
MyMPI_ISend ( sendpoints[proc], proc, sendrequest[proc] );
|
|
MyMPI_IRecv ( recvpoints[proc], proc, recvrequest[proc] );
|
|
}
|
|
|
|
for ( int proc = 1; proc < ntasks; proc++)
|
|
{
|
|
MPI_Wait(&sendrequest[proc], &status[proc]);
|
|
MPI_Wait(&recvrequest[proc], &status[proc]);
|
|
MyMPI_ISend ( sendelements[proc], proc, sendrequest[proc+1]);
|
|
MyMPI_IRecv ( recvelements[proc], proc, recvrequest[proc+1]);
|
|
}
|
|
for ( int proc = 1; proc < ntasks; proc++)
|
|
{
|
|
MPI_Wait(&sendrequest[proc+1], &status[proc+1]);
|
|
MPI_Wait(&recvrequest[proc+1], &status[proc+1]);
|
|
MyMPI_ISend ( sendsel[proc], proc, sendrequest[proc+2] );
|
|
MyMPI_IRecv ( recvsel[proc], proc, recvrequest[proc+2] );
|
|
}
|
|
for ( int proc = 1; proc < ntasks; proc++)
|
|
{
|
|
MPI_Wait(&sendrequest[proc+2], &status[proc+2]);
|
|
MPI_Wait(&recvrequest[proc+2], &status[proc+2]);
|
|
}
|
|
*/
|
|
|
|
Array<MPI_Request> requests;
|
|
|
|
for ( int proc = 1; proc < ntasks; proc++)
|
|
{
|
|
requests.Append (MyMPI_ISend ( sendpoints[proc], proc ));
|
|
requests.Append (MyMPI_IRecv ( recvpoints[proc], proc ));
|
|
}
|
|
|
|
for ( int proc = 1; proc < ntasks; proc++)
|
|
{
|
|
requests.Append (MyMPI_ISend ( sendelements[proc], proc ));
|
|
requests.Append (MyMPI_IRecv ( recvelements[proc], proc ));
|
|
}
|
|
for ( int proc = 1; proc < ntasks; proc++)
|
|
{
|
|
requests.Append (MyMPI_ISend ( sendsel[proc], proc ));
|
|
requests.Append (MyMPI_IRecv ( recvsel[proc], proc ));
|
|
}
|
|
|
|
MPI_Status stat;
|
|
for (int i = 0; i < requests.Size(); i++)
|
|
MPI_Wait (&requests[i], &stat);
|
|
|
|
|
|
|
|
|
|
|
|
Array<int> * distpnum2parpnum;
|
|
distpnum2parpnum = new Array<int> [2];
|
|
distpnum2parpnum[0].SetSize(0);
|
|
distpnum2parpnum[1].SetSize(0);
|
|
|
|
Array<int> firstdistpnum (ntasks);
|
|
|
|
|
|
for ( int sender = 1; sender < ntasks; sender++)
|
|
{
|
|
firstdistpnum[sender] = distpnum2parpnum[0].Size();
|
|
|
|
if ( sender == id ) continue;
|
|
|
|
int ii = 0;
|
|
// receiving points
|
|
// dist pnum
|
|
// glob pnum
|
|
// coords
|
|
int numrecvpts = int ( recvpoints[sender].Size() / 5 );
|
|
|
|
paralleltop -> SetNV ( GetNV() + numrecvpts );
|
|
int expectnp = GetNV () + numrecvpts;
|
|
|
|
// received points
|
|
while ( ii < recvpoints[sender].Size() )
|
|
{
|
|
int distpnum = int ( (recvpoints[sender])[ii++] );
|
|
int globpnum = int ( (recvpoints[sender])[ii++] );
|
|
|
|
Point3d point;
|
|
point.X() = (recvpoints[sender])[ii++];
|
|
point.Y() = (recvpoints[sender])[ii++];
|
|
point.Z() = (recvpoints[sender])[ii++];
|
|
|
|
// append point as ghost
|
|
// if not already there
|
|
int pnum= glob2loc_vert[globpnum];//paralleltop -> Glob2Loc_Vert ( globpnum );
|
|
if ( pnum <= 0 )
|
|
{
|
|
pnum = AddPoint ( point, true );
|
|
}
|
|
paralleltop -> SetDistantPNum ( 0, pnum, globpnum );
|
|
glob2loc_vert[globpnum] = pnum;
|
|
paralleltop -> SetDistantPNum ( sender, pnum, distpnum );
|
|
paralleltop -> SetExchangeVert ( pnum );
|
|
}
|
|
|
|
ii = 0;
|
|
|
|
int recvnel = (recvelements[sender])[ii++];
|
|
|
|
paralleltop -> SetNE ( recvnel + GetNE() );
|
|
|
|
while ( ii < recvelements[sender].Size() )
|
|
{
|
|
// receive list:
|
|
// distant number,
|
|
// glob number
|
|
// number of points
|
|
// glob vertices
|
|
// element_index
|
|
|
|
int distelnum = (recvelements[sender])[ii++];
|
|
int globelnum = (recvelements[sender])[ii++] ;
|
|
int elnp = (recvelements[sender])[ii++] ;
|
|
Array<int> pnums(elnp), globpnums(elnp);
|
|
|
|
// append volel
|
|
ELEMENT_TYPE eltype;
|
|
switch ( elnp )
|
|
{
|
|
case 4: eltype = TET; break;
|
|
case 5: eltype = PYRAMID; break;
|
|
case 6: eltype = PRISM; break;
|
|
case 8: eltype = HEX; break;
|
|
}
|
|
|
|
Element el ( eltype ) ;
|
|
|
|
for ( int i = 0; i < elnp; i++ )
|
|
{
|
|
globpnums[i] = int ( (recvelements[sender])[ii++] );
|
|
pnums[i] = glob2loc_vert[globpnums[i]]; //paralleltop -> Glob2Loc_Vert(globpnums[i]);
|
|
}
|
|
|
|
el.SetIndex ( (recvelements[sender])[ii++] );
|
|
el.SetGhost ( 1 );
|
|
|
|
|
|
for ( int i = 0; i < elnp; i++)
|
|
{
|
|
(int&) el[i] = pnums[i];
|
|
}
|
|
|
|
int eli = AddVolumeElement (el) + 1;
|
|
|
|
paralleltop -> SetDistantEl ( sender, eli, distelnum);
|
|
paralleltop -> SetDistantEl ( 0, eli, globelnum );
|
|
paralleltop -> SetExchangeElement ( eli );
|
|
}
|
|
|
|
ii = 0;
|
|
int nrecvsendsel = 0;
|
|
if ( recvsel[sender].Size() > 0 )
|
|
nrecvsendsel = (recvsel[sender])[ii++];
|
|
|
|
paralleltop -> SetNSE ( nrecvsendsel + GetNSE() );
|
|
|
|
while ( ii < recvsel[sender] . Size() )
|
|
{
|
|
// receive list:
|
|
// distant number,
|
|
// number of points
|
|
// global vert numbers
|
|
// surface_element_index
|
|
|
|
int distselnum = (recvsel[sender])[ii++];
|
|
int selnp = (recvsel[sender])[ii++] ;
|
|
|
|
Array<int> globpnums(selnp);
|
|
Array<int> pnums(selnp);
|
|
|
|
// append volel
|
|
ELEMENT_TYPE eltype;
|
|
switch ( selnp )
|
|
{
|
|
case 4: eltype = QUAD; break;
|
|
case 3: eltype = TRIG; break;
|
|
}
|
|
|
|
Element2d sel ( eltype ) ;
|
|
for ( int i = 0; i < selnp; i++ )
|
|
{
|
|
globpnums[i] = int ( (recvsel[sender])[ii++] );
|
|
pnums[i] = glob2loc_vert[globpnums[i]];
|
|
}
|
|
|
|
sel.SetIndex ( (recvsel[sender])[ii++] );
|
|
sel.SetGhost ( 1 );
|
|
|
|
|
|
for ( int i = 0; i < selnp; i++)
|
|
{
|
|
(int&) sel[i] = pnums[i];
|
|
}
|
|
|
|
int seli = AddSurfaceElement (sel);
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
delete [] distpnum2parpnum;
|
|
|
|
}
|
|
|
|
globelnums = new Array<int>;
|
|
if ( id == 0 )
|
|
{
|
|
for ( int dest = 1; dest < ntasks; dest++)
|
|
{
|
|
MyMPI_Recv ( *globelnums, dest );
|
|
for ( int i = 0; i < globelnums->Size(); i++ )
|
|
{
|
|
paralleltop -> SetDistantEl ( dest, (*globelnums)[i],i+1 );
|
|
paralleltop -> SetExchangeElement ( dest, (*globelnums)[i] );
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
globelnums -> SetSize(GetNE());
|
|
for ( int i = 0; i < GetNE(); i++ )
|
|
{
|
|
(*globelnums)[i] = paralleltop -> GetLoc2Glob_VolEl ( i+1 );
|
|
}
|
|
MyMPI_Send ( *globelnums, 0 );
|
|
}
|
|
|
|
delete globelnums;
|
|
// send which elements are where
|
|
|
|
topology -> Update();
|
|
|
|
// edge, facenums have probably changed as elements were added
|
|
// paralleltop has to be updated
|
|
|
|
|
|
paralleltop -> UpdateExchangeElements();
|
|
|
|
|
|
paralleltop -> UpdateCoarseGridOverlap();
|
|
//paralleltop -> UpdateTopology();
|
|
|
|
// *testout << "############################################" << endl << endl;
|
|
// paralleltop -> Print();
|
|
|
|
clusters -> Update();
|
|
;
|
|
#ifdef SCALASCA
|
|
#pragma pomp inst end(updateoverlap)
|
|
#endif
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif
|