3 #ifndef DUNE_GRIDGLUE_ADAPTER_GRIDGLUECOMMUNICATE_HH 4 #define DUNE_GRIDGLUE_ADAPTER_GRIDGLUECOMMUNICATE_HH 11 #include <type_traits> 13 #include <dune/common/bartonnackmanifcheck.hh> 14 #include <dune/common/parallel/communicator.hh> 15 #include <dune/grid/common/datahandleif.hh> 16 #include <dune/grid/common/gridenums.hh> 23 struct GlobalId :
public std::pair<RankPair, unsigned int>
29 this->first.first = 0;
30 this->first.second = 0;
37 this->first.first = i;
38 this->first.second = i;
47 this->first.first = std::min(i,j);
48 this->first.second = std::max(i,j);
56 <<
id.first.first <<
"," <<
id.first.second <<
"," 73 template <
class DataHandleImp,
class DataTypeImp>
89 template<
class RISType>
90 size_t size (RISType& i)
const 92 CHECK_INTERFACE_IMPLEMENTATION((asImp().size(i)));
93 return asImp().size(i);
101 template<
class MessageBufferImp,
class EntityType,
class RISType>
102 void gather (MessageBufferImp& buff,
const EntityType& e,
const RISType & i)
const 104 MessageBufferIF<MessageBufferImp> buffIF(buff);
105 CHECK_AND_CALL_INTERFACE_IMPLEMENTATION((asImp().gather(buffIF,e,i)));
115 template<
class MessageBufferImp,
class EntityType,
class RISType>
116 void scatter (MessageBufferImp& buff,
const EntityType& e,
const RISType & i,
size_t n)
118 MessageBufferIF<MessageBufferImp> buffIF(buff);
119 CHECK_AND_CALL_INTERFACE_IMPLEMENTATION((asImp().scatter(buffIF,e,i,n)));
124 DataHandleImp& asImp () {
125 return static_cast<DataHandleImp &
> (*this);
128 const DataHandleImp& asImp ()
const 130 return static_cast<const DataHandleImp &
>(*this);
138 template<
typename DT>
155 static_assert(std::is_same<DT,Y>::value,
"DataType mismatch");
163 static_assert(std::is_same<DT,Y>::value,
"DataType mismatch");
194 template<
class CommInfo>
198 typedef typename CommInfo::GridGlue::Intersection
Intersection;
199 Intersection ris(commInfo.
gridglue->getIntersection(i));
205 if (dir == Dune::ForwardCommunication)
209 commInfo.
data->gather(commInfo.
mbuffer, ris.inside(), ris);
215 commInfo.
data->gather(commInfo.
mbuffer, ris.outside(), ris.flip());
221 return commInfo.
buffer[j];
224 template<
class CommInfo>
228 typedef typename CommInfo::GridGlue::Intersection
Intersection;
229 Intersection ris(commInfo.
gridglue->getIntersection(i));
244 if (dir == Dune::ForwardCommunication)
268 template <
typename GG,
class DataHandleImp,
class DataTypeImp>
284 mutable ::Dune::GridGlue::StreamingMessageBuffer<DataType>
mbuffer;
286 Dune::CommunicationDirection
dir;
296 template<
typename GG,
class DataHandleImp,
class DataTypeImp>
302 typedef ::Dune::GridGlue::CommInfo<GG, DataHandleImp, DataTypeImp>
Type;
318 static size_t getSize(
const Type& commInfo,
size_t i)
321 typedef typename Type::GridGlue::Intersection Intersection;
322 Intersection ris(commInfo.
gridglue->getIntersection(i));
325 return commInfo.
data->size(ris);
static size_t getSize(const Type &commInfo, size_t i)
Get the number of objects at an intersection.
Definition: gridgluecommunicate.hh:318
const GridGlue * gridglue
Definition: gridgluecommunicate.hh:279
VariableSize IndexedTypeFlag
Each intersection can communicate a different number of objects.
Definition: gridgluecommunicate.hh:313
forward gather scatter to user defined CommInfo class
Definition: gridgluecommunicate.hh:191
std::vector< DataType > buffer
Definition: gridgluecommunicate.hh:283
GlobalId()
Definition: gridgluecommunicate.hh:28
Definition: gridgluecommunicate.hh:23
Definition: gridglue.hh:31
size_t currentsize
Definition: gridgluecommunicate.hh:285
DataTypeImp DataType
data type of data to communicate
Definition: gridgluecommunicate.hh:78
void scatter(MessageBufferImp &buff, const EntityType &e, const RISType &i, size_t n)
Definition: gridgluecommunicate.hh:116
DataTypeImp DataType
Definition: gridgluecommunicate.hh:273
CommunicationOperator< Dune::BackwardCommunication > BackwardOperator
Definition: gridgluecommunicate.hh:262
DT value_type
Definition: gridgluecommunicate.hh:141
Definition: gridgluecommunicate.hh:139
std::ostream & operator<<(std::ostream &os, const GlobalId &id)
Definition: gridgluecommunicate.hh:53
CommInfo()
Definition: gridgluecommunicate.hh:275
::Dune::GridGlue::CommInfo< GG, DataHandleImp, DataTypeImp > Type
The type of the GridGlueCommInfo.
Definition: gridgluecommunicate.hh:302
size_t i
Definition: gridgluecommunicate.hh:180
The intersection of two entities of the two patches of a GridGlue.
Definition: gridglue.hh:48
std::pair< int, int > RankPair
Definition: gridgluecommunicate.hh:22
void gather(MessageBufferImp &buff, const EntityType &e, const RISType &i) const
pack data from user to message buffer
Definition: gridgluecommunicate.hh:102
GlobalId(int i, int j, unsigned int n)
Definition: gridgluecommunicate.hh:46
DataTypeImp value_type
Definition: gridgluecommunicate.hh:271
Dune::CommunicationDirection dir
Definition: gridgluecommunicate.hh:286
DataTypeImp IndexedType
The datatype that should be communicated.
Definition: gridgluecommunicate.hh:307
size_t counter() const
Definition: gridgluecommunicate.hh:167
size_t size(RISType &i) const
Definition: gridgluecommunicate.hh:90
::Dune::GridGlue::CommDataHandle< DataHandleImp, DataTypeImp > * data
Definition: gridgluecommunicate.hh:280
static const CommInfo::DataType & gather(const CommInfo &commInfo, size_t i, size_t j=0)
Definition: gridgluecommunicate.hh:195
GlobalId(int i)
Definition: gridgluecommunicate.hh:36
DT * a
Definition: gridgluecommunicate.hh:179
size_t j
Definition: gridgluecommunicate.hh:181
CommunicationOperator< Dune::ForwardCommunication > ForwardOperator
Definition: gridgluecommunicate.hh:261
mutable ::Dune::GridGlue::StreamingMessageBuffer< DataType > mbuffer
Definition: gridgluecommunicate.hh:284
void read(Y &data) const
Definition: gridgluecommunicate.hh:161
StreamingMessageBuffer(DT *p)
Definition: gridgluecommunicate.hh:144
CommDataHandle()
Definition: gridgluecommunicate.hh:82
collects all GridGlue data requried for communication
Definition: gridgluecommunicate.hh:269
static void scatter(CommInfo &commInfo, const typename CommInfo::DataType &v, std::size_t i, std::size_t j=0)
Definition: gridgluecommunicate.hh:225
GG GridGlue
Definition: gridgluecommunicate.hh:272
void write(const Y &data)
Definition: gridgluecommunicate.hh:153
void clear()
Definition: gridgluecommunicate.hh:169
describes the features of a data handle for communication in parallel runs using the GridGlue::commun...
Definition: gridgluecommunicate.hh:74