1 | #ifndef __ONE_SIDED_CONTEXT_CLIENT_HPP__ |
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2 | #define __ONE_SIDED_CONTEXT_CLIENT_HPP__ |
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3 | |
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4 | #include "xios_spl.hpp" |
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5 | #include "buffer_out.hpp" |
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6 | #include "buffer_in.hpp" |
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7 | #include "one_sided_client_buffer.hpp" |
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8 | #include "event_client.hpp" |
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9 | #include "event_server.hpp" |
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10 | #include "mpi.hpp" |
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11 | #include "registry.hpp" |
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12 | #include "context_client.hpp" |
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13 | |
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14 | namespace xios |
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15 | { |
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16 | class CContext; |
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17 | class CContextServer ; |
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18 | /*! |
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19 | \class CContextClient |
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20 | A context can be both on client and on server side. In order to differenciate the role of |
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21 | context on each side, e.x client sending events, server receiving and processing events, there is a need of |
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22 | concrete "context" classes for both sides. |
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23 | CContextClient processes and sends events from client to server where CContextServer receives these events |
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24 | and processes them. |
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25 | */ |
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26 | class COneSidedContextClient : public CContextClient |
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27 | { |
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28 | public: |
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29 | // Contructor |
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30 | COneSidedContextClient(CContext* parent, MPI_Comm intraComm, MPI_Comm interComm, CContext* parentServer = 0); |
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31 | |
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32 | // Send event to server |
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33 | void sendEvent(CEventClient& event); |
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34 | bool havePendingRequests(void); |
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35 | void releaseBuffers(void); |
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36 | bool isNotifiedFinalized(void) ; |
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37 | void finalize(void); |
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38 | void setBufferSize(const std::map<int,StdSize>& mapSize); |
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39 | |
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40 | private: |
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41 | |
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42 | // Functions to set/get buffers |
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43 | bool getBuffers(const size_t timeLine, const list<int>& serverList, const list<int>& sizeList, list<CBufferOut*>& retBuffers, bool nonBlocking = false); |
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44 | void newBuffer(int rank); |
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45 | bool checkBuffers(list<int>& ranks); |
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46 | bool checkBuffers(void); |
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47 | void eventLoop(void) ; |
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48 | void callGlobalEventLoop() ; |
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49 | bool havePendingRequests(list<int>& ranks) ; |
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50 | |
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51 | |
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52 | |
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53 | void setGrowableBuffer(void) { isGrowableBuffer_=true;} |
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54 | void setFixedBuffer(void) { isGrowableBuffer_=false;} |
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55 | |
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56 | size_t timeLine; //!< Timeline of each event |
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57 | |
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58 | MPI_Comm interCommMerged_; //!< Communicator of the client group + server group (intraCommunicator) needed for one sided communication. |
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59 | MPI_Comm commSelf_ ; //!< Communicator for proc alone from interCommMerged |
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60 | map<int,COneSidedClientBuffer*> buffers; //!< Buffers for connection to servers |
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61 | |
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62 | bool pureOneSided ; //!< if true, client will communicated with servers only trough one sided communication. Otherwise the hybrid mode P2P /One sided is used. |
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63 | |
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64 | private: |
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65 | |
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66 | //! Mapping of server and buffer size for each connection to server |
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67 | std::map<int,StdSize> mapBufferSize_; |
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68 | //! Maximum event sizes estimated for each connection to server |
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69 | std::map<int,StdSize> maxEventSizes; |
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70 | //! Maximum number of events that can be buffered |
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71 | StdSize maxBufferedEvents; |
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72 | |
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73 | std::map<int, MPI_Comm> winComm_ ; //! Window communicators |
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74 | std::map<int, MPI_Win >window_ ; //! one sided mpi windows to expose client buffers to servers == windows[nbServers][2] |
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75 | |
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76 | bool isGrowableBuffer_ = true ; |
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77 | double growingFactor_ = 1.25 ; |
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78 | |
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79 | double latency_=0e-2 ; |
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80 | |
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81 | bool locked_ = false ; //!< The context client is locked to avoid recursive checkBuffer |
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82 | }; |
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83 | } |
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84 | |
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85 | #endif // __ONE_SIDED_CONTEXT_CLIENT_HPP__ |
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