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Merge remote-tracking branch 'origin/master' into subcomm

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This commit is contained in:
Lukas 2019-08-28 13:18:11 +02:00
commit 3f59727e15
3 changed files with 70 additions and 13 deletions
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70
libsrc/core/mpi_wrapper.hpp
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@ -128,11 +128,32 @@ namespace ngcore
MPI_Send (&val, 1, GetMPIType<T>(), dest, tag, comm);
}
template<typename T, typename T2 = decltype(GetMPIType<T>())>
void Send(FlatArray<T> s, int dest, int tag) const {
MPI_Send (s.Data(), s.Size(), GetMPIType<T>(), dest, tag, comm);
}
template<typename T, typename T2 = decltype(GetMPIType<T>())>
void Recv (T & val, int src, int tag) const {
MPI_Recv (&val, 1, GetMPIType<T>(), src, tag, comm, MPI_STATUS_IGNORE);
}
template <typename T, typename T2 = decltype(GetMPIType<T>())>
void Recv (FlatArray <T> s, int src, int tag) const {
MPI_Recv (s.Data(), s.Size(), GetMPIType<T> (), src, tag, comm, MPI_STATUS_IGNORE);
}
template <typename T, typename T2 = decltype(GetMPIType<T>())>
void Recv (Array <T> & s, int src, int tag) const
{
MPI_Status status;
int len;
const MPI_Datatype MPI_T = GetMPIType<T> ();
MPI_Probe (src, tag, comm, &status);
MPI_Get_count (&status, MPI_T, &len);
s.SetSize (len);
MPI_Recv (s.Data(), len, MPI_T, src, tag, comm, MPI_STATUS_IGNORE);
}
/** --- non-blocking P2P --- **/
@ -152,6 +173,15 @@ namespace ngcore
return request;
}
template<typename T, typename T2 = decltype(GetMPIType<T>())>
MPI_Request IRecv (const FlatArray<T> & s, int src, int tag) const
{
MPI_Request request;
MPI_Irecv (s.Data(), s.Size(), GetMPIType<T>(), src, tag, comm, &request);
return request;
}
/** --- collectives --- **/
template <typename T, typename T2 = decltype(GetMPIType<T>())>
@ -189,17 +219,20 @@ namespace ngcore
MPI_Bcast (&s[0], len, MPI_CHAR, root, comm);
}
NgMPI_Comm SubCommunicator (FlatArray<int> procs) const
}; // class NgMPI_Comm
NETGEN_INLINE void MyMPI_WaitAll (FlatArray<MPI_Request> requests)
{
MPI_Comm subcomm;
MPI_Group gcomm, gsubcomm;
MPI_Comm_group(comm, &gcomm);
MPI_Group_incl(gcomm, procs.Size(), procs.Data(), &gsubcomm);
MPI_Comm_create_group(comm, gsubcomm, 4242, &subcomm);
return NgMPI_Comm(subcomm, true);
if (!requests.Size()) return;
MPI_Waitall (requests.Size(), requests.Data(), MPI_STATUSES_IGNORE);
}
}; // class NgMPI_Comm
NETGEN_INLINE int MyMPI_WaitAny (FlatArray<MPI_Request> requests)
{
int nr;
MPI_Waitany (requests.Size(), requests.Data(), &nr, MPI_STATUS_IGNORE);
return nr;
}
#else // PARALLEL
class MPI_Comm {
@ -232,16 +265,31 @@ namespace ngcore
void Send( T & val, int dest, int tag) const { ; }
template<typename T>
void MyMPI_Recv (T & val, int src, int tag) const { ; }
void Send(FlatArray<T> s, int dest, int tag) const { ; }
template<typename T>
void Recv (T & val, int src, int tag) const { ; }
template <typename T>
void Recv (FlatArray <T> s, int src, int tag) const { ; }
template <typename T>
void Recv (Array <T> & s, int src, int tag) const { ; }
template<typename T>
MPI_Request ISend (T & val, int dest, int tag) const { return 0; }
template<typename T>
MPI_Request ISend (const FlatArray<T> & s, int dest, int tag) const { return 0; }
template<typename T>
MPI_Request IRecv (T & val, int dest, int tag) const { return 0; }
template<typename T>
MPI_Request IRecv (const FlatArray<T> & s, int src, int tag) const { return 0; }
template <typename T>
T Reduce (T d, const MPI_Op & op, int root = 0) { return d; }
T Reduce (T d, const MPI_Op & op, int root = 0) const { return d; }
template <typename T>
T AllReduce (T d, const MPI_Op & op) const { return d; }
@ -253,6 +301,8 @@ namespace ngcore
{ return *this; }
};
NETGEN_INLINE void MyMPI_WaitAll (FlatArray<MPI_Request> requests) { ; }
#endif // PARALLEL
} // namespace ngcore

3
libsrc/occ/occgenmesh.cpp
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@ -1264,6 +1264,9 @@ namespace netgen
}
}
for (auto mspnt : mparam.meshsize_points)
mesh.RestrictLocalH(mspnt.pnt, mspnt.h);
multithread.task = savetask;
}

4
libsrc/stlgeom/stlgeommesh.cpp
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@ -1370,6 +1370,10 @@ int STLMeshingDummy (STLGeometry* stlgeometry, shared_ptr<Mesh> & mesh, const Me
mparam.grading);
mesh -> LoadLocalMeshSize (mparam.meshsizefilename);
if (mparam.uselocalh)
for (auto mspnt : mparam.meshsize_points)
mesh->RestrictLocalH(mspnt.pnt, mspnt.h);
success = 0;
//mesh->DeleteMesh();