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Dune::Point2PointCommunicator< MsgBuffer > Class Template Reference
Point-2-Point communicator for exchange messages between processes. More...
#include <p2pcommunicator.hh>
Inheritance diagram for Dune::Point2PointCommunicator< MsgBuffer >:
Classes | |
| class | DataHandleInterface |
Public Member Functions | |
| Point2PointCommunicator (const MPICommunicator &mpiComm=MPIHelper::getCommunicator()) | |
| constructor taking mpi communicator | |
| Point2PointCommunicator (const BaseType &comm) | |
| constructor taking collective communication | |
| void | insertRequest (const std::set< int > &sendLinks, const std::set< int > &recvLinks) |
| insert communication request with a set os ranks to send to and a set of ranks to receive from | |
| int | sendLinks () const |
| return number of processes we will send data to | |
| int | recvLinks () const |
| return number of processes we will receive data from | |
| const vector_t & | recvBufferSizes () const |
| return vector containing possible recv buffer sizes | |
| int | sendLink (const int rank) const |
| return send link number for a given send rank number | |
| int | recvLink (const int rank) const |
| return recv link number for a given recv rank number | |
| const std::vector< int > & | sendDest () const |
| return vector containing all process numbers we will send to | |
| const std::vector< int > & | recvSource () const |
| return vector containing all process numbers we will receive from | |
| void | removeLinkage () |
| remove stored linkage | |
| virtual std::vector< MessageBufferType > | exchange (const std::vector< MessageBufferType > &) const |
| exchange message buffers with peers defined by inserted linkage | |
| virtual void | exchange (DataHandleInterface &) const |
| exchange data with peers, handle defines pack and unpack of data | |
| virtual void | exchangeCached (DataHandleInterface &) const |
| exchange data with peers, handle defines pack and unpack of data, if receive buffers are known from previous run and have not changed communication could be faster | |
Protected Types | |
| using | BaseType = Dune::Communication<MPICommunicator> |
| typedef Point2PointCommunicator< MessageBufferType > | ThisType |
| typedef std::map< int, int > | linkage_t |
| typedef std::vector< int > | vector_t |
Protected Member Functions | |
| void | computeDestinations (const linkage_t &linkage, vector_t &dest) |
| int | getMessageTag (const unsigned int increment) const |
| int | getMessageTag () const |
Protected Attributes | |
| linkage_t | sendLinkage_ |
| linkage_t | recvLinkage_ |
| vector_t | sendDest_ |
| vector_t | recvSource_ |
| vector_t | _recvBufferSizes |
| bool | _recvBufferSizesComputed |
Static Protected Attributes | |
| static const int | messagetag = 234 |
Detailed Description
template<class MsgBuffer>
class Dune::Point2PointCommunicator< MsgBuffer >
class Dune::Point2PointCommunicator< MsgBuffer >
Point-2-Point communicator for exchange messages between processes.
The documentation for this class was generated from the following files:
- opm/grid/common/p2pcommunicator.hh
- opm/grid/common/p2pcommunicator_impl.hh
