mirror of
https://github.com/NGSolve/netgen.git
synced 2024-12-29 23:30:33 +05:00
709 lines
19 KiB
C++
709 lines
19 KiB
C++
#ifdef PARALLEL
|
|
|
|
|
|
#include <meshing.hpp>
|
|
#include "paralleltop.hpp"
|
|
|
|
|
|
namespace netgen
|
|
{
|
|
|
|
ParallelMeshTopology :: ParallelMeshTopology (const Mesh & amesh)
|
|
: mesh(amesh)
|
|
{
|
|
is_updated = false;
|
|
}
|
|
|
|
|
|
ParallelMeshTopology :: ~ParallelMeshTopology ()
|
|
{
|
|
;
|
|
}
|
|
|
|
|
|
void ParallelMeshTopology :: Reset ()
|
|
{
|
|
*testout << "ParallelMeshTopology::Reset" << endl;
|
|
|
|
NgMPI_Comm comm = mesh.GetCommunicator();
|
|
int id = comm.Rank();
|
|
int ntasks = comm.Size();
|
|
|
|
if ( ntasks == 1 ) return;
|
|
|
|
int ned = mesh.GetTopology().GetNEdges();
|
|
int nfa = mesh.GetTopology().GetNFaces();
|
|
|
|
if (glob_edge.Size() != ned)
|
|
{
|
|
glob_edge.SetSize(ned);
|
|
glob_face.SetSize(nfa);
|
|
glob_edge = -1;
|
|
glob_face = -1;
|
|
|
|
loc2distedge.ChangeSize (ned);
|
|
loc2distface.ChangeSize (nfa);
|
|
}
|
|
|
|
if (glob_vert.Size() != mesh.GetNV())
|
|
{
|
|
SetNV(mesh.GetNV());
|
|
SetNE(mesh.GetNE());
|
|
}
|
|
}
|
|
|
|
|
|
void ParallelMeshTopology :: Print() const
|
|
{
|
|
;
|
|
}
|
|
|
|
|
|
void ParallelMeshTopology :: SetDistantFaceNum (int dest, int locnum)
|
|
{
|
|
for ( int i = 0; i < loc2distface[locnum-1].Size(); i+=1 )
|
|
if ( loc2distface[locnum-1][i] == dest )
|
|
return;
|
|
loc2distface.Add(locnum-1, dest);
|
|
}
|
|
|
|
void ParallelMeshTopology :: SetDistantPNum (int dest, int locnum)
|
|
{
|
|
for ( int i = 0; i < loc2distvert[locnum-1].Size(); i+=1 )
|
|
if ( loc2distvert[locnum-1][i] == dest )
|
|
return;
|
|
loc2distvert.Add (locnum-1, dest);
|
|
}
|
|
|
|
|
|
void ParallelMeshTopology :: SetDistantEdgeNum (int dest, int locnum)
|
|
{
|
|
for ( int i = 0; i < loc2distedge[locnum-1].Size(); i+=1 )
|
|
if ( loc2distedge[locnum-1][i] == dest )
|
|
return;
|
|
loc2distedge.Add (locnum-1, dest);
|
|
}
|
|
|
|
void ParallelMeshTopology :: SetNV (int anv)
|
|
{
|
|
glob_vert.SetSize(anv);
|
|
glob_vert = -1;
|
|
loc2distvert.ChangeSize (anv);
|
|
}
|
|
|
|
void ParallelMeshTopology :: SetNE ( int ane )
|
|
{
|
|
glob_el.SetSize (ane);
|
|
glob_el = -1;
|
|
}
|
|
|
|
void ParallelMeshTopology :: SetNSE ( int anse )
|
|
{
|
|
glob_surfel.SetSize(anse);
|
|
glob_surfel = -1;
|
|
}
|
|
|
|
void ParallelMeshTopology :: SetNSegm ( int anseg )
|
|
{
|
|
glob_segm.SetSize (anseg);
|
|
glob_segm = -1;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void ParallelMeshTopology :: UpdateCoarseGridGlobal ()
|
|
{
|
|
// cout << "updatecoarsegridglobal called" << endl;
|
|
if (id == 0)
|
|
PrintMessage ( 3, "UPDATE GLOBAL COARSEGRID STARTS" );
|
|
|
|
int timer = NgProfiler::CreateTimer ("UpdateCoarseGridGlobal");
|
|
NgProfiler::RegionTimer reg(timer);
|
|
|
|
*testout << "ParallelMeshTopology :: UpdateCoarseGridGlobal" << endl;
|
|
|
|
const MeshTopology & topology = mesh.GetTopology();
|
|
MPI_Comm comm = mesh.GetCommunicator();
|
|
|
|
if ( id == 0 )
|
|
{
|
|
NgArray<NgArray<int>*> sendarrays(ntasks);
|
|
for (int dest = 1; dest < ntasks; dest++)
|
|
sendarrays[dest] = new NgArray<int>;
|
|
|
|
NgArray<int> edges, faces;
|
|
for (int el = 1; el <= mesh.GetNE(); el++)
|
|
{
|
|
topology.GetElementFaces (el, faces);
|
|
topology.GetElementEdges (el, edges);
|
|
const Element & volel = mesh.VolumeElement (el);
|
|
|
|
// NgArray<int> & sendarray = *sendarrays[volel.GetPartition()];
|
|
NgArray<int> & sendarray = *sendarrays[mesh.vol_partition[el-1]];
|
|
|
|
for ( int i = 0; i < edges.Size(); i++ )
|
|
sendarray.Append (edges[i]);
|
|
for ( int i = 0; i < faces.Size(); i++ )
|
|
sendarray.Append (faces[i]);
|
|
}
|
|
|
|
for (int el = 1; el <= mesh.GetNSE(); el++)
|
|
{
|
|
topology.GetSurfaceElementEdges (el, edges);
|
|
const Element2d & surfel = mesh.SurfaceElement (el);
|
|
// NgArray<int> & sendarray = *sendarrays[surfel.GetPartition()];
|
|
NgArray<int> & sendarray = *sendarrays[mesh.surf_partition[el-1]];
|
|
|
|
for ( int i = 0; i < edges.Size(); i++ )
|
|
sendarray.Append (edges[i]);
|
|
sendarray.Append (topology.GetSurfaceElementFace (el));
|
|
}
|
|
|
|
NgArray<MPI_Request> sendrequests;
|
|
for (int dest = 1; dest < ntasks; dest++)
|
|
sendrequests.Append (MyMPI_ISend (*sendarrays[dest], dest, MPI_TAG_MESH+10, comm));
|
|
MPI_Waitall (sendrequests.Size(), &sendrequests[0], MPI_STATUS_IGNORE);
|
|
|
|
for (int dest = 1; dest < ntasks; dest++)
|
|
delete sendarrays[dest];
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
NgArray<int> recvarray;
|
|
MyMPI_Recv (recvarray, 0, MPI_TAG_MESH+10, comm);
|
|
|
|
int ii = 0;
|
|
|
|
NgArray<int> faces, edges;
|
|
|
|
for (int volel = 1; volel <= mesh.GetNE(); volel++)
|
|
{
|
|
topology.GetElementEdges ( volel, edges);
|
|
for ( int i = 0; i < edges.Size(); i++)
|
|
SetLoc2Glob_Edge ( edges[i], recvarray[ii++]);
|
|
|
|
topology.GetElementFaces( volel, faces);
|
|
for ( int i = 0; i < faces.Size(); i++)
|
|
SetLoc2Glob_Face ( faces[i], recvarray[ii++]);
|
|
}
|
|
|
|
for (int surfel = 1; surfel <= mesh.GetNSE(); surfel++)
|
|
{
|
|
topology.GetSurfaceElementEdges (surfel, edges);
|
|
for (int i = 0; i < edges.Size(); i++)
|
|
SetLoc2Glob_Edge (edges[i], recvarray[ii++]);
|
|
int face = topology.GetSurfaceElementFace (surfel);
|
|
SetLoc2Glob_Face ( face, recvarray[ii++]);
|
|
}
|
|
}
|
|
|
|
is_updated = true;
|
|
}
|
|
|
|
|
|
|
|
|
|
void ParallelMeshTopology :: UpdateCoarseGrid ()
|
|
{
|
|
// cout << "UpdateCoarseGrid" << endl;
|
|
// if (is_updated) return;
|
|
|
|
NgMPI_Comm comm = mesh.GetCommunicator();
|
|
int id = comm.Rank();
|
|
int ntasks = comm.Size();
|
|
|
|
if (ntasks == 1) return;
|
|
|
|
Reset();
|
|
static int timer = NgProfiler::CreateTimer ("UpdateCoarseGrid");
|
|
NgProfiler::RegionTimer reg(timer);
|
|
|
|
|
|
(*testout) << "UPDATE COARSE GRID PARALLEL TOPOLOGY " << endl;
|
|
if (id == 0)
|
|
PrintMessage (1, "update parallel topology");
|
|
|
|
|
|
// UpdateCoarseGridGlobal();
|
|
|
|
|
|
|
|
// MPI_Barrier (MPI_COMM_WORLD);
|
|
|
|
MPI_Group MPI_GROUP_comm;
|
|
MPI_Group MPI_LocalGroup;
|
|
MPI_Comm MPI_LocalComm;
|
|
|
|
int process_ranks[] = { 0 };
|
|
MPI_Comm_group (comm, &MPI_GROUP_comm);
|
|
MPI_Group_excl (MPI_GROUP_comm, 1, process_ranks, &MPI_LocalGroup);
|
|
MPI_Comm_create (comm, MPI_LocalGroup, &MPI_LocalComm);
|
|
|
|
if (id == 0) return;
|
|
|
|
const MeshTopology & topology = mesh.GetTopology();
|
|
|
|
NgArray<int> cnt_send(ntasks-1);
|
|
|
|
|
|
// update new vertices after mesh-refinement
|
|
if (mesh.mlbetweennodes.Size() > 0)
|
|
{
|
|
// cout << "UpdateCoarseGrid - vertices" << endl;
|
|
int newnv = mesh.mlbetweennodes.Size();
|
|
loc2distvert.ChangeSize(mesh.mlbetweennodes.Size());
|
|
/*
|
|
for (PointIndex pi = PointIndex::BASE; pi < newnv+PointIndex::BASE; pi++)
|
|
{
|
|
PointIndex v1 = mesh.mlbetweennodes[pi][0];
|
|
PointIndex v2 = mesh.mlbetweennodes[pi][1];
|
|
if (mesh.mlbetweennodes[pi][0] != PointIndex::BASE-1)
|
|
for (int dest = 1; dest < ntasks; dest++)
|
|
if (IsExchangeVert (dest, v1) && IsExchangeVert (dest, v2))
|
|
SetDistantPNum(dest, pi);
|
|
}
|
|
*/
|
|
|
|
bool changed = true;
|
|
while (changed)
|
|
{
|
|
changed = false;
|
|
|
|
// build exchange vertices
|
|
cnt_send = 0;
|
|
for (PointIndex pi : mesh.Points().Range())
|
|
for (int dist : GetDistantPNums(pi-PointIndex::BASE))
|
|
cnt_send[dist-1]++;
|
|
TABLE<int> dest2vert(cnt_send);
|
|
for (PointIndex pi : mesh.Points().Range())
|
|
for (int dist : GetDistantPNums(pi-PointIndex::BASE))
|
|
dest2vert.Add (dist-1, pi);
|
|
|
|
|
|
for (PointIndex pi = PointIndex::BASE; pi < newnv+PointIndex::BASE; pi++)
|
|
{
|
|
PointIndex v1 = mesh.mlbetweennodes[pi][0];
|
|
PointIndex v2 = mesh.mlbetweennodes[pi][1];
|
|
if (mesh.mlbetweennodes[pi][0] != PointIndex::BASE-1)
|
|
// for (int dest = 1; dest < ntasks; dest++)
|
|
for (int dest : GetDistantPNums(v1-PointIndex::BASE))
|
|
if (IsExchangeVert (dest, v1) && IsExchangeVert (dest, v2))
|
|
cnt_send[dest-1]++;
|
|
}
|
|
|
|
TABLE<int> dest2pair(cnt_send);
|
|
// for (int dest = 1; dest < ntasks; dest++)
|
|
for (PointIndex pi = PointIndex::BASE; pi < newnv+PointIndex::BASE; pi++)
|
|
{
|
|
PointIndex v1 = mesh.mlbetweennodes[pi][0];
|
|
PointIndex v2 = mesh.mlbetweennodes[pi][1];
|
|
if (mesh.mlbetweennodes[pi][0] != PointIndex::BASE-1)
|
|
for (int dest : GetDistantPNums(v1-PointIndex::BASE))
|
|
if (IsExchangeVert (dest, v1) && IsExchangeVert (dest, v2))
|
|
dest2pair.Add (dest-1, pi);
|
|
}
|
|
|
|
cnt_send = 0;
|
|
int v1, v2;
|
|
for (PointIndex pi = PointIndex::BASE; pi < newnv+PointIndex::BASE; pi++)
|
|
{
|
|
PointIndex v1 = mesh.mlbetweennodes[pi][0];
|
|
PointIndex v2 = mesh.mlbetweennodes[pi][1];
|
|
if (mesh.mlbetweennodes[pi][0] != PointIndex::BASE-1)
|
|
for (int dest : GetDistantPNums(v1-PointIndex::BASE))
|
|
if (IsExchangeVert(dest, v2))
|
|
cnt_send[dest-1]+=2;
|
|
}
|
|
|
|
TABLE<int> send_verts(cnt_send);
|
|
|
|
NgArray<int, PointIndex::BASE> loc2exchange(mesh.GetNV());
|
|
for (int dest = 1; dest < ntasks; dest++)
|
|
if (dest != id)
|
|
{
|
|
loc2exchange = -1;
|
|
int cnt = 0;
|
|
/*
|
|
for (PointIndex pi : mesh.Points().Range())
|
|
if (IsExchangeVert(dest, pi))
|
|
loc2exchange[pi] = cnt++;
|
|
*/
|
|
for (PointIndex pi : dest2vert[dest-1])
|
|
loc2exchange[pi] = cnt++;
|
|
|
|
// for (PointIndex pi = PointIndex::BASE; pi < newnv+PointIndex::BASE; pi++)
|
|
for (PointIndex pi : dest2pair[dest-1])
|
|
{
|
|
PointIndex v1 = mesh.mlbetweennodes[pi][0];
|
|
PointIndex v2 = mesh.mlbetweennodes[pi][1];
|
|
if (mesh.mlbetweennodes[pi][0] != PointIndex::BASE-1)
|
|
if (IsExchangeVert (dest, v1) && IsExchangeVert (dest, v2))
|
|
{
|
|
send_verts.Add (dest-1, loc2exchange[v1]);
|
|
send_verts.Add (dest-1, loc2exchange[v2]);
|
|
}
|
|
}
|
|
}
|
|
|
|
TABLE<int> recv_verts(ntasks-1);
|
|
MyMPI_ExchangeTable (send_verts, recv_verts, MPI_TAG_MESH+9, MPI_LocalComm);
|
|
|
|
for (int dest = 1; dest < ntasks; dest++)
|
|
if (dest != id)
|
|
{
|
|
loc2exchange = -1;
|
|
int cnt = 0;
|
|
/*
|
|
for (PointIndex pi : mesh.Points().Range())
|
|
if (IsExchangeVert(dest, pi))
|
|
loc2exchange[pi] = cnt++;
|
|
*/
|
|
for (PointIndex pi : dest2vert[dest-1])
|
|
loc2exchange[pi] = cnt++;
|
|
|
|
NgFlatArray<int> recvarray = recv_verts[dest-1];
|
|
for (int ii = 0; ii < recvarray.Size(); ii+=2)
|
|
for (PointIndex pi : dest2pair[dest-1])
|
|
// for (PointIndex pi = PointIndex::BASE; pi < newnv+PointIndex::BASE; pi++)
|
|
{
|
|
PointIndex v1 = mesh.mlbetweennodes[pi][0];
|
|
PointIndex v2 = mesh.mlbetweennodes[pi][1];
|
|
if (mesh.mlbetweennodes[pi][0] != PointIndex::BASE-1)
|
|
{
|
|
INDEX_2 re(recvarray[ii], recvarray[ii+1]);
|
|
INDEX_2 es(loc2exchange[v1], loc2exchange[v2]);
|
|
if (es == re && !IsExchangeVert(dest, pi))
|
|
{
|
|
SetDistantPNum(dest, pi);
|
|
changed = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
NgArray<int> sendarray, recvarray;
|
|
// cout << "UpdateCoarseGrid - edges" << endl;
|
|
|
|
// static int timerv = NgProfiler::CreateTimer ("UpdateCoarseGrid - ex vertices");
|
|
static int timere = NgProfiler::CreateTimer ("UpdateCoarseGrid - ex edges");
|
|
static int timerf = NgProfiler::CreateTimer ("UpdateCoarseGrid - ex faces");
|
|
|
|
|
|
NgProfiler::StartTimer (timere);
|
|
|
|
|
|
int nfa = topology . GetNFaces();
|
|
int ned = topology . GetNEdges();
|
|
|
|
// build exchange vertices
|
|
cnt_send = 0;
|
|
for (PointIndex pi : mesh.Points().Range())
|
|
for (int dist : GetDistantPNums(pi-PointIndex::BASE))
|
|
cnt_send[dist-1]++;
|
|
TABLE<int> dest2vert(cnt_send);
|
|
for (PointIndex pi : mesh.Points().Range())
|
|
for (int dist : GetDistantPNums(pi-PointIndex::BASE))
|
|
dest2vert.Add (dist-1, pi);
|
|
|
|
// exchange edges
|
|
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]+=1;
|
|
}
|
|
|
|
TABLE<int> dest2edge(cnt_send);
|
|
for (int & v : cnt_send) v *= 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))
|
|
dest2edge.Add (dest-1, edge);
|
|
}
|
|
|
|
|
|
NgArray<int, PointIndex::BASE> loc2exchange(mesh.GetNV());
|
|
for (int dest = 1; dest < ntasks; dest++)
|
|
{
|
|
loc2exchange = -1;
|
|
int cnt = 0;
|
|
for (PointIndex pi : dest2vert[dest-1])
|
|
loc2exchange[pi] = cnt++;
|
|
|
|
for (int edge : dest2edge[dest-1])
|
|
{
|
|
topology.GetEdgeVertices (edge, v1, v2);
|
|
if (IsExchangeVert (dest, v1) && IsExchangeVert (dest, v2))
|
|
{
|
|
send_edges.Add (dest-1, loc2exchange[v1]);
|
|
send_edges.Add (dest-1, loc2exchange[v2]);
|
|
}
|
|
}
|
|
}
|
|
|
|
// cout << "UpdateCoarseGrid - edges mpi-exchange" << endl;
|
|
TABLE<int> recv_edges(ntasks-1);
|
|
MyMPI_ExchangeTable (send_edges, recv_edges, MPI_TAG_MESH+9, MPI_LocalComm);
|
|
// cout << "UpdateCoarseGrid - edges mpi-exchange done" << endl;
|
|
|
|
/*
|
|
for (int dest = 1; dest < ntasks; dest++)
|
|
{
|
|
auto ex2loc = dest2vert[dest-1];
|
|
NgFlatArray<int> recvarray = recv_edges[dest-1];
|
|
for (int ii = 0; ii < recvarray.Size(); ii+=2)
|
|
for (int edge : dest2edge[dest-1])
|
|
{
|
|
topology.GetEdgeVertices (edge, v1, v2);
|
|
INDEX_2 re(ex2loc[recvarray[ii]],
|
|
ex2loc[recvarray[ii+1]]);
|
|
INDEX_2 es(v1, v2);
|
|
if (es == re)
|
|
SetDistantEdgeNum(dest, edge);
|
|
}
|
|
}
|
|
*/
|
|
|
|
for (int dest = 1; dest < ntasks; dest++)
|
|
{
|
|
auto ex2loc = dest2vert[dest-1];
|
|
if (ex2loc.Size() == 0) continue;
|
|
|
|
INDEX_2_CLOSED_HASHTABLE<int> vert2edge(2*dest2edge[dest-1].Size()+10);
|
|
for (int edge : dest2edge[dest-1])
|
|
{
|
|
topology.GetEdgeVertices (edge, v1, v2);
|
|
vert2edge.Set(INDEX_2(v1,v2), edge);
|
|
}
|
|
|
|
NgFlatArray<int> recvarray = recv_edges[dest-1];
|
|
for (int ii = 0; ii < recvarray.Size(); ii+=2)
|
|
{
|
|
INDEX_2 re(ex2loc[recvarray[ii]],
|
|
ex2loc[recvarray[ii+1]]);
|
|
if (vert2edge.Used(re))
|
|
SetDistantEdgeNum(dest, vert2edge.Get(re));
|
|
}
|
|
}
|
|
|
|
|
|
|
|
NgProfiler::StopTimer (timere);
|
|
|
|
// MPI_Barrier (MPI_LocalComm);
|
|
|
|
// cout << "UpdateCoarseGrid - faces" << endl;
|
|
if (mesh.GetDimension() == 3)
|
|
{
|
|
NgProfiler::StartTimer (timerf);
|
|
NgArray<int> verts;
|
|
|
|
// exchange faces
|
|
cnt_send = 0;
|
|
for (int face = 1; face <= nfa; face++)
|
|
{
|
|
topology.GetFaceVertices (face, verts);
|
|
for (int dest = 1; dest < ntasks; dest++)
|
|
if (dest != id)
|
|
if (IsExchangeVert (dest, verts[0]) &&
|
|
IsExchangeVert (dest, verts[1]) &&
|
|
IsExchangeVert (dest, verts[2]))
|
|
cnt_send[dest-1]++;
|
|
}
|
|
|
|
TABLE<int> dest2face(cnt_send);
|
|
for (int face = 1; face <= nfa; face++)
|
|
{
|
|
topology.GetFaceVertices (face, verts);
|
|
for (int dest = 1; dest < ntasks; dest++)
|
|
if (dest != id)
|
|
if (IsExchangeVert (dest, verts[0]) &&
|
|
IsExchangeVert (dest, verts[1]) &&
|
|
IsExchangeVert (dest, verts[2]))
|
|
dest2face.Add(dest-1, face);
|
|
}
|
|
|
|
for (int & c : cnt_send) c*=3;
|
|
TABLE<int> send_faces(cnt_send);
|
|
NgArray<int, PointIndex::BASE> loc2exchange(mesh.GetNV());
|
|
for (int dest = 1; dest < ntasks; dest++)
|
|
if (dest != id)
|
|
{
|
|
/*
|
|
loc2exchange = -1;
|
|
int cnt = 0;
|
|
for (PointIndex pi : mesh.Points().Range())
|
|
if (IsExchangeVert(dest, pi))
|
|
loc2exchange[pi] = cnt++;
|
|
*/
|
|
if (dest2vert[dest-1].Size() == 0) continue;
|
|
|
|
loc2exchange = -1;
|
|
int cnt = 0;
|
|
for (PointIndex pi : dest2vert[dest-1])
|
|
loc2exchange[pi] = cnt++;
|
|
|
|
for (int face : dest2face[dest-1])
|
|
{
|
|
topology.GetFaceVertices (face, verts);
|
|
if (IsExchangeVert (dest, verts[0]) &&
|
|
IsExchangeVert (dest, verts[1]) &&
|
|
IsExchangeVert (dest, verts[2]))
|
|
{
|
|
send_faces.Add (dest-1, loc2exchange[verts[0]]);
|
|
send_faces.Add (dest-1, loc2exchange[verts[1]]);
|
|
send_faces.Add (dest-1, loc2exchange[verts[2]]);
|
|
}
|
|
}
|
|
}
|
|
|
|
// cout << "UpdateCoarseGrid - faces mpi-exchange" << endl;
|
|
TABLE<int> recv_faces(ntasks-1);
|
|
MyMPI_ExchangeTable (send_faces, recv_faces, MPI_TAG_MESH+9, MPI_LocalComm);
|
|
// cout << "UpdateCoarseGrid - faces mpi-exchange done" << endl;
|
|
|
|
/*
|
|
for (int dest = 1; dest < ntasks; dest++)
|
|
if (dest != id)
|
|
{
|
|
loc2exchange = -1;
|
|
int cnt = 0;
|
|
for (PointIndex pi : dest2vert[dest-1])
|
|
loc2exchange[pi] = cnt++;
|
|
|
|
NgFlatArray<int> recvarray = recv_faces[dest-1];
|
|
for (int ii = 0; ii < recvarray.Size(); ii+=3)
|
|
for (int face : dest2face[dest-1])
|
|
{
|
|
topology.GetFaceVertices (face, verts);
|
|
INDEX_3 re(recvarray[ii], recvarray[ii+1], recvarray[ii+2]);
|
|
INDEX_3 es(loc2exchange[verts[0]], loc2exchange[verts[1]], loc2exchange[verts[2]]);
|
|
if (es == re)
|
|
SetDistantFaceNum(dest, face);
|
|
}
|
|
}
|
|
*/
|
|
|
|
|
|
for (int dest = 1; dest < ntasks; dest++)
|
|
{
|
|
auto ex2loc = dest2vert[dest-1];
|
|
if (ex2loc.Size() == 0) continue;
|
|
|
|
INDEX_3_CLOSED_HASHTABLE<int> vert2face(2*dest2face[dest-1].Size()+10);
|
|
for (int face : dest2face[dest-1])
|
|
{
|
|
topology.GetFaceVertices (face, verts);
|
|
vert2face.Set(INDEX_3(verts[0], verts[1], verts[2]), face);
|
|
}
|
|
|
|
NgFlatArray<int> recvarray = recv_faces[dest-1];
|
|
for (int ii = 0; ii < recvarray.Size(); ii+=3)
|
|
{
|
|
INDEX_3 re(ex2loc[recvarray[ii]],
|
|
ex2loc[recvarray[ii+1]],
|
|
ex2loc[recvarray[ii+2]]);
|
|
if (vert2face.Used(re))
|
|
SetDistantFaceNum(dest, vert2face.Get(re));
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
NgArray<int,1> glob2loc;
|
|
|
|
int maxface = 0;
|
|
for (int face = 1; face <= nfa; face++)
|
|
maxface = max (maxface, GetGlobalFaceNum (face));
|
|
|
|
// glob2loc.SetSize (nfaglob);
|
|
glob2loc.SetSize (maxface);
|
|
glob2loc = -1;
|
|
|
|
for (int loc = 1; loc <= nfa; loc++)
|
|
glob2loc[GetGlobalFaceNum(loc)] = loc;
|
|
|
|
cnt_send = 0;
|
|
NgArray<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);
|
|
|
|
for (int sender = 1; sender < ntasks; sender ++)
|
|
if (id != sender)
|
|
{
|
|
NgFlatArray<int> recvarray = recv_faces[sender-1];
|
|
|
|
for (int ii = 0; ii < recvarray.Size(); )
|
|
{
|
|
int globf = recvarray[ii++];
|
|
int distf = recvarray[ii++];
|
|
|
|
if (globf <= maxface)
|
|
{
|
|
int locf = glob2loc[globf];
|
|
if (locf != -1)
|
|
SetDistantFaceNum (sender, locf);
|
|
}
|
|
}
|
|
}
|
|
*/
|
|
|
|
NgProfiler::StopTimer (timerf);
|
|
}
|
|
// cout << "UpdateCoarseGrid - done" << endl;
|
|
|
|
is_updated = true;
|
|
|
|
MPI_Group_free(&MPI_LocalGroup);
|
|
MPI_Comm_free(&MPI_LocalComm);
|
|
}
|
|
}
|
|
|
|
|
|
#endif
|