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identify edges/faces without sub-group

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This commit is contained in:
Joachim Schöberl 2020-08-29 18:24:01 +02:00
parent aac584a5aa
commit 0b74e3cbdc
1 changed files with 40 additions and 39 deletions
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79
libsrc/meshing/paralleltop.cpp
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@ -572,7 +572,7 @@ namespace netgen
// UpdateCoarseGridGlobal();
/*
// MPI_Barrier (MPI_COMM_WORLD);
MPI_Group MPI_GROUP_comm;
@ -590,10 +590,11 @@ namespace netgen
// EnumeratePointsGlobally();
return;
}
*/
const MeshTopology & topology = mesh.GetTopology();
NgArray<int> cnt_send(ntasks-1);
NgArray<int> cnt_send(ntasks);
// NgArray<int> sendarray, recvarray;
// cout << "UpdateCoarseGrid - edges" << endl;
@ -613,11 +614,11 @@ namespace netgen
cnt_send = 0;
for (PointIndex pi : mesh.Points().Range())
for (int dist : GetDistantProcs(pi))
cnt_send[dist-1]++;
cnt_send[dist]++;
TABLE<int> dest2vert(cnt_send);
for (PointIndex pi : mesh.Points().Range())
for (int dist : GetDistantProcs(pi))
dest2vert.Add (dist-1, pi);
dest2vert.Add (dist, pi);
// exchange edges
cnt_send = 0;
@ -633,7 +634,7 @@ namespace netgen
*/
for (auto p : GetDistantProcs(v1))
if (GetDistantProcs(v2).Contains(p))
cnt_send[p-1]+=1;
cnt_send[p]+=1;
}
TABLE<int> dest2edge(cnt_send);
@ -643,51 +644,51 @@ namespace netgen
for (int edge = 1; edge <= ned; edge++)
{
topology.GetEdgeVertices (edge, v1, v2);
for (int dest = 1; dest < ntasks; dest++)
for (int dest = 0; dest < ntasks; dest++)
// if (IsExchangeVert (dest, v1) && IsExchangeVert (dest, v2))
if (GetDistantProcs(v1).Contains(dest) && GetDistantProcs(v2).Contains(dest))
dest2edge.Add (dest-1, edge);
dest2edge.Add (dest, edge);
}
NgArray<int, PointIndex::BASE> loc2exchange(mesh.GetNV());
for (int dest = 1; dest < ntasks; dest++)
for (int dest = 0; dest < ntasks; dest++)
{
loc2exchange = -1;
int cnt = 0;
for (PointIndex pi : dest2vert[dest-1])
for (PointIndex pi : dest2vert[dest])
loc2exchange[pi] = cnt++;
for (int edge : dest2edge[dest-1])
for (int edge : dest2edge[dest])
{
topology.GetEdgeVertices (edge, v1, v2);
// if (IsExchangeVert (dest, v1) && IsExchangeVert (dest, v2))
if (GetDistantProcs(v1).Contains(dest) && GetDistantProcs(v2).Contains(dest))
{
send_edges.Add (dest-1, loc2exchange[v1]);
send_edges.Add (dest-1, loc2exchange[v2]);
send_edges.Add (dest, loc2exchange[v1]);
send_edges.Add (dest, 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);
TABLE<int> recv_edges(ntasks);
MyMPI_ExchangeTable (send_edges, recv_edges, MPI_TAG_MESH+9, comm);
// cout << "UpdateCoarseGrid - edges mpi-exchange done" << endl;
for (int dest = 1; dest < ntasks; dest++)
for (int dest = 0; dest < ntasks; dest++)
{
auto ex2loc = dest2vert[dest-1];
auto ex2loc = dest2vert[dest];
if (ex2loc.Size() == 0) continue;
INDEX_2_CLOSED_HASHTABLE<int> vert2edge(2*dest2edge[dest-1].Size()+10);
for (int edge : dest2edge[dest-1])
INDEX_2_CLOSED_HASHTABLE<int> vert2edge(2*dest2edge[dest].Size()+10);
for (int edge : dest2edge[dest])
{
topology.GetEdgeVertices (edge, v1, v2);
vert2edge.Set(INDEX_2(v1,v2), edge);
}
NgFlatArray<int> recvarray = recv_edges[dest-1];
NgFlatArray<int> recvarray = recv_edges[dest];
for (int ii = 0; ii < recvarray.Size(); ii+=2)
{
INDEX_2 re(ex2loc[recvarray[ii]],
@ -712,7 +713,7 @@ namespace netgen
for (int face = 1; face <= nfa; face++)
{
topology.GetFaceVertices (face, verts);
for (int dest = 1; dest < ntasks; dest++)
for (int dest = 0; dest < ntasks; dest++)
if (dest != id)
/*
if (IsExchangeVert (dest, verts[0]) &&
@ -722,14 +723,14 @@ namespace netgen
if (GetDistantProcs (verts[0]).Contains(dest) &&
GetDistantProcs (verts[1]).Contains(dest) &&
GetDistantProcs (verts[2]).Contains(dest))
cnt_send[dest-1]++;
cnt_send[dest]++;
}
TABLE<int> dest2face(cnt_send);
for (int face = 1; face <= nfa; face++)
{
topology.GetFaceVertices (face, verts);
for (int dest = 1; dest < ntasks; dest++)
for (int dest = 0; dest < ntasks; dest++)
if (dest != id)
/*
if (IsExchangeVert (dest, verts[0]) &&
@ -739,23 +740,23 @@ namespace netgen
if (GetDistantProcs (verts[0]).Contains(dest) &&
GetDistantProcs (verts[1]).Contains(dest) &&
GetDistantProcs (verts[2]).Contains(dest))
dest2face.Add(dest-1, face);
dest2face.Add(dest, 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++)
for (int dest = 0; dest < ntasks; dest++)
if (dest != id)
{
if (dest2vert[dest-1].Size() == 0) continue;
if (dest2vert[dest].Size() == 0) continue;
loc2exchange = -1;
int cnt = 0;
for (PointIndex pi : dest2vert[dest-1])
for (PointIndex pi : dest2vert[dest])
loc2exchange[pi] = cnt++;
for (int face : dest2face[dest-1])
for (int face : dest2face[dest])
{
topology.GetFaceVertices (face, verts);
/*
@ -767,31 +768,31 @@ namespace netgen
GetDistantProcs (verts[1]).Contains(dest) &&
GetDistantProcs (verts[2]).Contains(dest))
{
send_faces.Add (dest-1, loc2exchange[verts[0]]);
send_faces.Add (dest-1, loc2exchange[verts[1]]);
send_faces.Add (dest-1, loc2exchange[verts[2]]);
send_faces.Add (dest, loc2exchange[verts[0]]);
send_faces.Add (dest, loc2exchange[verts[1]]);
send_faces.Add (dest, 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);
TABLE<int> recv_faces(ntasks);
MyMPI_ExchangeTable (send_faces, recv_faces, MPI_TAG_MESH+9, comm);
// cout << "UpdateCoarseGrid - faces mpi-exchange done" << endl;
for (int dest = 1; dest < ntasks; dest++)
for (int dest = 0; dest < ntasks; dest++)
{
auto ex2loc = dest2vert[dest-1];
auto ex2loc = dest2vert[dest];
if (ex2loc.Size() == 0) continue;
INDEX_3_CLOSED_HASHTABLE<int> vert2face(2*dest2face[dest-1].Size()+10);
for (int face : dest2face[dest-1])
INDEX_3_CLOSED_HASHTABLE<int> vert2face(2*dest2face[dest].Size()+10);
for (int face : dest2face[dest])
{
topology.GetFaceVertices (face, verts);
vert2face.Set(INDEX_3(verts[0], verts[1], verts[2]), face);
}
NgFlatArray<int> recvarray = recv_faces[dest-1];
NgFlatArray<int> recvarray = recv_faces[dest];
for (int ii = 0; ii < recvarray.Size(); ii+=3)
{
INDEX_3 re(ex2loc[recvarray[ii]],
@ -808,8 +809,8 @@ namespace netgen
// EnumeratePointsGlobally();
is_updated = true;
MPI_Group_free(&MPI_LocalGroup);
MPI_Comm_free(&MPI_LocalComm);
// MPI_Group_free(&MPI_LocalGroup);
// MPI_Comm_free(&MPI_LocalComm);
}
}