[1761] | 1 | #ifndef __WINDOW_MANAGER_HPP__ |
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| 2 | #define __WINDOW_MANAGER_HPP__ |
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| 3 | |
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| 4 | #include <map> |
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| 5 | #include "mpi.hpp" |
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| 6 | #include "buffer_in.hpp" |
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| 7 | #include "buffer_out.hpp" |
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| 8 | #include "message.hpp" |
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[2517] | 9 | #include "window_base.hpp" |
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[1761] | 10 | |
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| 11 | namespace xios |
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| 12 | { |
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| 13 | |
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| 14 | |
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[2517] | 15 | class CWindowManager : public CWindowBase |
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[1761] | 16 | { |
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| 17 | |
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| 18 | private : |
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[2517] | 19 | static const MPI_Aint OFFSET_LOCK=0 ; |
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| 20 | static const int SIZE_LOCK=sizeof(int) ; |
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| 21 | static const MPI_Aint OFFSET_BUFFER_SIZE=OFFSET_LOCK+SIZE_LOCK ; |
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| 22 | static const int SIZE_BUFFER_SIZE=sizeof(size_t) ; |
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| 23 | static const MPI_Aint OFFSET_BUFFER=OFFSET_BUFFER_SIZE+SIZE_BUFFER_SIZE ; |
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| 24 | static const int WINDOWS_LOCKED=-1 ; |
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[1761] | 25 | |
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| 26 | MPI_Win window_ ; |
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| 27 | void * winBuffer_ ; |
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[2246] | 28 | map<int,double> lastTimeLock_ ; |
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| 29 | const double latency_=0e-2 ; |
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[1761] | 30 | |
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| 31 | public : |
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| 32 | |
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[2580] | 33 | CWindowManager(MPI_Comm winComm, size_t bufferSize, const string name) : CWindowBase(winComm, bufferSize + OFFSET_BUFFER_SIZE, name) |
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[1761] | 34 | { |
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| 35 | int lock=0 ; |
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| 36 | size_t size=0 ; |
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| 37 | int commRank ; |
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| 38 | MPI_Comm_rank(winComm, &commRank) ; |
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[2517] | 39 | lockExclusive(commRank) ; |
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| 40 | put(&lock, SIZE_LOCK, MPI_CHAR, commRank, OFFSET_LOCK, SIZE_LOCK, MPI_CHAR) ; |
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| 41 | put(&size, SIZE_BUFFER_SIZE, MPI_CHAR, commRank, OFFSET_BUFFER_SIZE, SIZE_BUFFER_SIZE, MPI_CHAR) ; |
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| 42 | unlockExclusive(commRank) ; |
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[1761] | 43 | MPI_Barrier(winComm) ; |
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| 44 | } |
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| 45 | |
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| 46 | void lockWindow(int rank, int state ) |
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| 47 | { |
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| 48 | int lock=state ; |
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[2246] | 49 | double time ; |
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| 50 | auto it=lastTimeLock_.find(rank) ; |
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| 51 | if (it == lastTimeLock_.end()) |
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| 52 | { |
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| 53 | lastTimeLock_[rank] = 0. ; |
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| 54 | it=lastTimeLock_.find(rank) ; |
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| 55 | } |
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| 56 | double& lastTime = it->second ; |
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| 57 | |
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[1761] | 58 | do |
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| 59 | { |
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[2246] | 60 | time=MPI_Wtime() ; |
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| 61 | while(time-lastTime < latency_) time=MPI_Wtime() ; |
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[2260] | 62 | int flag ; |
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| 63 | MPI_Iprobe(MPI_ANY_SOURCE, MPI_ANY_TAG, MPI_COMM_WORLD, &flag, MPI_STATUS_IGNORE); |
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[2517] | 64 | compareAndSwap(&WINDOWS_LOCKED, &state, &lock, MPI_INT, rank, OFFSET_LOCK) ; |
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| 65 | flush(rank) ; |
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[2246] | 66 | lastTime=MPI_Wtime() ; |
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[1761] | 67 | } while (lock!=state) ; |
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| 68 | |
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[2246] | 69 | |
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[1761] | 70 | } |
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| 71 | |
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[2246] | 72 | void lockWindowExclusive(int rank, int state ) |
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| 73 | { |
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| 74 | int lock=state ; |
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| 75 | double time ; |
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| 76 | auto it=lastTimeLock_.find(rank) ; |
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| 77 | if (it == lastTimeLock_.end()) |
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| 78 | { |
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| 79 | lastTimeLock_[rank] = 0. ; |
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| 80 | it=lastTimeLock_.find(rank) ; |
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| 81 | } |
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| 82 | double& lastTime = it->second ; |
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[1761] | 83 | |
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[2246] | 84 | do |
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| 85 | { |
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| 86 | time=MPI_Wtime() ; |
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| 87 | while(time-lastTime < latency_) time=MPI_Wtime() ; |
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[2260] | 88 | int flag ; |
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| 89 | MPI_Iprobe(MPI_ANY_SOURCE, MPI_ANY_TAG, MPI_COMM_WORLD, &flag, MPI_STATUS_IGNORE); |
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[2517] | 90 | lockExclusive(rank) ; |
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| 91 | compareAndSwap(&WINDOWS_LOCKED, &state, &lock, MPI_INT, rank, OFFSET_LOCK) ; |
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| 92 | unlockExclusive(rank) ; |
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[2246] | 93 | lastTime=MPI_Wtime() ; |
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| 94 | } while (lock!=state) ; |
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| 95 | } |
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| 96 | |
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| 97 | void lockWindowExclusive(int rank) |
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| 98 | { |
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[2517] | 99 | lockExclusive(rank) ; |
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[2246] | 100 | } |
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| 101 | |
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| 102 | void lockWindowShared(int rank) |
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| 103 | { |
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[2517] | 104 | lockShared(rank) ; |
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[2246] | 105 | } |
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| 106 | |
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[2517] | 107 | void unlockWindowExclusive(int rank) |
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| 108 | { |
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| 109 | unlockExclusive(rank) ; |
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| 110 | } |
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| 111 | |
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| 112 | void unlockWindowShared(int rank) |
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| 113 | { |
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| 114 | unlockShared(rank) ; |
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| 115 | } |
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| 116 | |
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| 117 | void lockWindow(int rank) |
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| 118 | { |
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| 119 | lockWindowExclusive(rank) ; |
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| 120 | } |
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| 121 | |
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[2246] | 122 | void unlockWindow(int rank) |
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| 123 | { |
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[2517] | 124 | unlockWindowExclusive(rank) ; |
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[2246] | 125 | } |
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| 126 | |
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| 127 | void flushWindow(int rank) |
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| 128 | { |
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[2517] | 129 | flush(rank) ; |
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[2246] | 130 | } |
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| 131 | |
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[1761] | 132 | void unlockWindow(int rank, int state ) |
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| 133 | { |
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| 134 | int lock ; |
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[2517] | 135 | compareAndSwap(&state, &WINDOWS_LOCKED, &lock, MPI_INT, rank, OFFSET_LOCK) ; |
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| 136 | flush(rank) ; |
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[1761] | 137 | } |
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| 138 | |
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| 139 | template< class T > |
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| 140 | void updateToWindow(int rank, T* object, void (T::*dumpOut)(CBufferOut&) ) |
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| 141 | { |
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[2517] | 142 | updateToExclusiveWindow(rank, object, dumpOut) ; |
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[1761] | 143 | } |
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[2246] | 144 | |
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| 145 | template< class T > |
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[2263] | 146 | void updateToExclusiveWindow(int rank, T* object, void (T::*dumpOut)(CBufferOut&) ) |
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| 147 | { |
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[2517] | 148 | lockExclusive(rank) ; |
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| 149 | updateToLockedWindow(rank, object, dumpOut) ; |
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| 150 | unlockExclusive(rank) ; |
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| 151 | } |
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[2263] | 152 | |
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| 153 | template< class T > |
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| 154 | void updateTosharedWindow(int rank, T* object, void (T::*dumpOut)(CBufferOut&) ) |
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| 155 | { |
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[2517] | 156 | lockShared(rank) ; |
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| 157 | updateToLockedWindow(rank, object, dumpOut) ; |
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| 158 | unlockShared(rank) ; |
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[2263] | 159 | } |
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| 160 | |
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| 161 | template< class T > |
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[2246] | 162 | void updateToLockedWindow(int rank, T* object, void (T::*dumpOut)(CBufferOut&) ) |
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| 163 | { |
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| 164 | CBufferOut buffer ; |
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| 165 | (object->*dumpOut)(buffer) ; |
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| 166 | size_t size=buffer.count() ; |
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[2517] | 167 | |
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| 168 | put(&size, SIZE_BUFFER_SIZE, MPI_CHAR, rank, OFFSET_BUFFER_SIZE, SIZE_BUFFER_SIZE, MPI_CHAR) ; |
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| 169 | put(buffer.start(), size, MPI_CHAR, rank,OFFSET_BUFFER, size, MPI_CHAR) ; |
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| 170 | flush(rank) ; |
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[2246] | 171 | } |
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| 172 | |
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[1761] | 173 | template< typename T > |
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| 174 | void updateFromWindow(int rank, T* object, void (T::*dumpIn)(CBufferIn&) ) |
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| 175 | { |
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[2517] | 176 | updateFromExclusiveWindow(rank,object, dumpIn) ; |
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[1761] | 177 | } |
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| 178 | |
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[2246] | 179 | template< typename T > |
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[2263] | 180 | void updateFromExclusiveWindow(int rank, T* object, void (T::*dumpIn)(CBufferIn&) ) |
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| 181 | { |
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| 182 | size_t size ; |
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[2517] | 183 | lockExclusive(rank) ; |
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| 184 | updateFromLockedWindow(rank,object, dumpIn) ; |
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| 185 | unlockExclusive(rank) ; |
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[2263] | 186 | } |
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| 187 | |
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| 188 | template< typename T > |
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| 189 | void updateFromSharedWindow(int rank, T* object, void (T::*dumpIn)(CBufferIn&) ) |
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| 190 | { |
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| 191 | size_t size ; |
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[2517] | 192 | lockShared(rank) ; |
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| 193 | updateFromLockedWindow(rank,object, dumpIn) ; |
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| 194 | unlockShared(rank) ; |
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[2263] | 195 | } |
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| 196 | |
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| 197 | template< typename T > |
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[2246] | 198 | void updateFromLockedWindow(int rank, T* object, void (T::*dumpIn)(CBufferIn&) ) |
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| 199 | { |
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| 200 | size_t size ; |
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[2517] | 201 | |
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| 202 | get(&size, SIZE_BUFFER_SIZE, MPI_CHAR, rank, OFFSET_BUFFER_SIZE, SIZE_BUFFER_SIZE, MPI_CHAR) ; |
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| 203 | flush(rank) ; |
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[2246] | 204 | CBufferIn buffer(size) ; |
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[2517] | 205 | get(buffer.start(), size, MPI_CHAR, rank,OFFSET_BUFFER, size, MPI_CHAR) ; |
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| 206 | flush(rank) ; |
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| 207 | |
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[2246] | 208 | (object->*dumpIn)(buffer) ; |
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| 209 | } |
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| 210 | |
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| 211 | |
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[2517] | 212 | |
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[1761] | 213 | template< class T > |
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| 214 | void pushToWindow(int rank, T* object, void (T::*dumpOut)(CBufferOut&) ) |
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| 215 | { |
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[2517] | 216 | pushToExclusiveWindow(rank, object, dumpOut) ; |
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[1761] | 217 | } |
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| 218 | |
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[2258] | 219 | template< class T > |
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[2263] | 220 | void pushToExclusiveWindow(int rank, T* object, void (T::*dumpOut)(CBufferOut&) ) |
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| 221 | { |
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[2517] | 222 | lockExclusive(rank) ; |
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| 223 | pushToLockedWindow(rank, object, dumpOut) ; |
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| 224 | unlockExclusive(rank) ; |
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[2263] | 225 | } |
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| 226 | |
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| 227 | template< class T > |
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| 228 | void pushToSharedWindow(int rank, T* object, void (T::*dumpOut)(CBufferOut&) ) |
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| 229 | { |
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[2517] | 230 | lockShared(rank) ; |
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| 231 | pushToLockedWindow(rank, object, dumpOut) ; |
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| 232 | unlockShared(rank) ; |
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[2263] | 233 | } |
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| 234 | |
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| 235 | template< class T > |
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[2258] | 236 | void pushToLockedWindow(int rank, T* object, void (T::*dumpOut)(CBufferOut&) ) |
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| 237 | { |
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| 238 | size_t size ; |
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[2517] | 239 | get(&size, SIZE_BUFFER_SIZE, MPI_CHAR, rank, OFFSET_BUFFER_SIZE, SIZE_BUFFER_SIZE, MPI_CHAR) ; |
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| 240 | flush(rank) ; |
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[2258] | 241 | CBufferOut buffer ; |
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| 242 | (object->*dumpOut)(buffer) ; |
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| 243 | size_t bufferSize=buffer.count() ; |
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| 244 | size_t newSize = size + bufferSize; |
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[2517] | 245 | put(&newSize, SIZE_BUFFER_SIZE, MPI_CHAR, rank, OFFSET_BUFFER_SIZE, SIZE_BUFFER_SIZE, MPI_CHAR) ; |
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| 246 | put(buffer.start(), bufferSize, MPI_CHAR, rank, OFFSET_BUFFER+size, bufferSize, MPI_CHAR) ; |
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| 247 | flush(rank) ; |
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[2258] | 248 | } |
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| 249 | |
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[2517] | 250 | |
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| 251 | |
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[1761] | 252 | template< typename T > |
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| 253 | void popFromWindow(int rank, T* object, void (T::*dumpIn)(CBufferIn&) ) |
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| 254 | { |
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[2517] | 255 | popFromExclusiveWindow(rank,object, dumpIn) ; |
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[1761] | 256 | } |
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| 257 | |
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[2258] | 258 | template< typename T > |
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[2263] | 259 | void popFromExclusiveWindow(int rank, T* object, void (T::*dumpIn)(CBufferIn&) ) |
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| 260 | { |
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[2517] | 261 | lockExclusive(rank) ; |
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| 262 | popFromLockedWindow(rank,object, dumpIn) ; |
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| 263 | unlockExclusive(rank) ; |
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[2263] | 264 | |
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| 265 | } |
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| 266 | |
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| 267 | template< typename T > |
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| 268 | void popFromSharedWindow(int rank, T* object, void (T::*dumpIn)(CBufferIn&) ) |
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| 269 | { |
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[2517] | 270 | lockShared(rank) ; |
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| 271 | popFromLockedWindow(rank,object, dumpIn) ; |
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| 272 | unlockShared(rank) ; |
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[2263] | 273 | } |
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| 274 | |
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| 275 | template< typename T > |
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[2258] | 276 | void popFromLockedWindow(int rank, T* object, void (T::*dumpIn)(CBufferIn&) ) |
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| 277 | { |
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| 278 | size_t size ; |
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[2517] | 279 | get(&size, SIZE_BUFFER_SIZE, MPI_CHAR, rank, OFFSET_BUFFER_SIZE, SIZE_BUFFER_SIZE, MPI_CHAR) ; |
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| 280 | flush(rank) ; |
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[2258] | 281 | CBufferIn buffer(size) ; |
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[2517] | 282 | get(buffer.start(), size, MPI_CHAR, rank,OFFSET_BUFFER, size, MPI_CHAR) ; |
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| 283 | flush(rank) ; |
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[2258] | 284 | (object->*dumpIn)(buffer) ; |
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| 285 | |
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| 286 | size=buffer.remain() ; |
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[2517] | 287 | put(&size, SIZE_BUFFER_SIZE, MPI_CHAR, rank, OFFSET_BUFFER_SIZE, SIZE_BUFFER_SIZE, MPI_CHAR) ; |
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| 288 | put(buffer.ptr(),buffer.remain(), MPI_CHAR, rank, OFFSET_BUFFER, buffer.remain(), MPI_CHAR) ; |
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| 289 | flush(rank) ; |
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[2258] | 290 | } |
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| 291 | |
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[1764] | 292 | ~CWindowManager() |
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| 293 | { |
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| 294 | } |
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[1761] | 295 | } ; |
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| 296 | } |
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| 297 | |
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| 298 | |
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| 299 | |
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| 300 | #endif |
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