[2343] | 1 | #ifndef __ONE_SIDED_SERVER_BUFFER_HPP__ |
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| 2 | #define __ONE_SIDED_SERVER_BUFFER_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 "mpi.hpp" |
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| 7 | #include "cxios.hpp" |
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| 8 | #include "event_server.hpp" |
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| 9 | #include "one_sided_cs_buffer_base.hpp" |
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| 10 | #include "one_sided_server_base.hpp" |
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| 11 | |
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| 12 | namespace xios |
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| 13 | { |
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| 14 | extern CLogType logProtocol ; |
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| 15 | |
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| 16 | class COneSidedServerBuffer : public COneSidedCSBufferBase, public COneSidedServerBase |
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| 17 | { |
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| 18 | private : |
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| 19 | |
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| 20 | class CBuffer |
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| 21 | { |
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| 22 | char* buffer_ ; |
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| 23 | size_t start_ ; |
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| 24 | size_t end_ ; |
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| 25 | size_t count_ ; |
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| 26 | size_t size_ ; |
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| 27 | bool fixed_ ; |
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| 28 | |
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| 29 | public: |
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| 30 | CBuffer(size_t size, bool fixed) : start_(size), end_(0), count_(0), size_(size), fixed_(fixed) |
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| 31 | { |
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| 32 | MPI_Alloc_mem(size, MPI_INFO_NULL, &buffer_) ; |
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| 33 | info(logProtocol)<<"New buffer of size="<<size<<endl ; |
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| 34 | } |
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| 35 | ~CBuffer() |
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| 36 | { |
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| 37 | if (count_>0) ERROR("COneSidedServerBuffer::~CBuffer()",<<"Try to delete buffer that is not empty"<<std::endl) ; |
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[2565] | 38 | MPI_Free_mem(buffer_) ; |
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[2343] | 39 | } |
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| 40 | |
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| 41 | void reserve(size_t& size, size_t& start, size_t& count) |
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| 42 | { |
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| 43 | count = 0 ; |
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| 44 | if (end_ < start_) |
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| 45 | { |
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| 46 | if (start_-end_ >= size) |
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| 47 | { |
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| 48 | count=size ; |
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| 49 | size = 0 ; |
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| 50 | start=end_ ; |
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| 51 | end_ += count ; |
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| 52 | count_+= count ; |
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| 53 | } |
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| 54 | else |
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| 55 | { |
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| 56 | count = start_-end_ ; |
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| 57 | size -= count ; |
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| 58 | start=end_ ; |
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| 59 | end_ = start_ ; |
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| 60 | count_+=count ; |
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| 61 | } |
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| 62 | } |
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| 63 | else if ( end_> start_ ) |
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| 64 | { |
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| 65 | if (size_-end_ >= size) |
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| 66 | { |
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| 67 | count = size ; |
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| 68 | size = 0; |
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| 69 | start=end_ ; |
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| 70 | end_ += count ; |
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| 71 | count_ += count ; |
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| 72 | } |
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| 73 | else |
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| 74 | { |
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| 75 | count = size_ - end_ ; |
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| 76 | size -= count ; |
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| 77 | start=end_ ; |
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| 78 | end_ = 0 ; |
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| 79 | count_+= count ; |
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| 80 | } |
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| 81 | } |
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| 82 | else if (end_==start_) |
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| 83 | { |
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| 84 | count = 0 ; |
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| 85 | } |
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| 86 | } |
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| 87 | |
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| 88 | void free(size_t start, size_t count) |
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| 89 | { |
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| 90 | start_ = start+count-1 ; |
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| 91 | count_ -= count ; |
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| 92 | } |
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| 93 | |
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| 94 | size_t remain(void) { return size_-count_; } |
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| 95 | size_t getSize(void) { return size_ ;} |
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| 96 | size_t getCount(void) {return count_ ;} |
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| 97 | size_t isFixed(void) {return fixed_;} |
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| 98 | char* getBuffer(void) {return buffer_ ;} |
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| 99 | } ; |
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| 100 | |
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| 101 | public: |
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| 102 | |
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| 103 | COneSidedServerBuffer(int clientRank, const MPI_Comm& commSelf, const MPI_Comm& interCommMerged, map<size_t, SPendingEvent>& pendingEvents, |
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| 104 | map<size_t, SPendingEvent>& completedEvents, vector<char>& buffer) ; |
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| 105 | |
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[2565] | 106 | ~COneSidedServerBuffer() |
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| 107 | { |
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| 108 | while (!buffers_.empty()) { |
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| 109 | delete buffers_.front(); |
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| 110 | buffers_.pop_front() ; // if buffer is empty free buffer |
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| 111 | } |
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| 112 | }; |
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| 113 | |
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[2343] | 114 | void receivedRequest(vector<char>& buffer) ; |
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| 115 | void eventLoop(void) ; |
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| 116 | void fillEventServer(size_t timeline, CEventServer& event) ; |
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| 117 | void notifyClientFinalize(void); |
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| 118 | |
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| 119 | private: |
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| 120 | struct SBloc |
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| 121 | { |
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| 122 | CBuffer* buffer ; |
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| 123 | size_t start ; |
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| 124 | int count ; |
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| 125 | MPI_Aint addr ; |
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| 126 | } ; |
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| 127 | |
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| 128 | void createWindow(const MPI_Comm& commSelf, const MPI_Comm& interCommMerged) ; |
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| 129 | void newBuffer(size_t size, bool fixed) { buffers_.push_back(new CBuffer(size, fixed)); currentBuffer_=buffers_.back() ;} |
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| 130 | void testPendingRequests(void) ; |
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| 131 | void transferEvents(void) ; |
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| 132 | void transferEvent(void) ; |
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| 133 | void transferRmaRequest(size_t timeline, MPI_Aint addr, MPI_Aint offset, CBuffer* buffer, size_t start, int count, int window) ; |
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| 134 | size_t remainSize(void) ; |
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| 135 | |
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| 136 | |
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| 137 | |
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| 138 | bool fixed_=false; |
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| 139 | size_t fixedSize_ = 0 ; |
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| 140 | size_t currentBufferSize_=0 ; |
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[2558] | 141 | double growingFactor_ = 1.2 ; |
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| 142 | double bufferServerFactor_=1. ; |
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[2343] | 143 | |
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| 144 | std::list<CBuffer*> buffers_ ; |
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| 145 | CBuffer* currentBuffer_=nullptr ; |
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| 146 | |
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| 147 | map<size_t, SPendingEvent>& pendingFullEvents_ ; |
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| 148 | map<size_t, SPendingEvent>& completedFullEvents_ ; |
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| 149 | |
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| 150 | map<size_t, int> nbSenders_ ; |
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| 151 | map<size_t, list<tuple<MPI_Aint,int,int>>> pendingBlocs_; |
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| 152 | |
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| 153 | vector<MPI_Request> pendingRmaRequests_ ; |
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| 154 | vector<MPI_Status> pendingRmaStatus_ ; |
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[2399] | 155 | vector<int> pendingRmaCount_ ; |
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[2343] | 156 | |
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| 157 | map<size_t, list<SBloc>> onTransferEvents_ ; // map<size_t timeline, list<pair<char* bloc, int count>>> |
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| 158 | map<size_t, list<SBloc>> completedEvents_ ; // map<size_t timeline, list<pair<char* bloc, int count>>> |
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| 159 | list<std::pair<size_t,size_t>> bufferResize_ ; // list<size_t AssociatedTimeline, size_t newSize> |
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| 160 | |
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| 161 | int clientRank_ ; |
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| 162 | MPI_Aint * control_ ; |
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| 163 | MPI_Aint controlAddr_ ; |
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| 164 | |
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| 165 | MPI_Comm winComm_ ; |
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| 166 | vector<MPI_Win> windows_ ; |
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| 167 | int maxWindows_ ; |
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| 168 | set<int> windowsLocked_ ; |
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| 169 | |
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| 170 | MPI_Win winControl_ ; |
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| 171 | bool isLocked_=false ; |
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| 172 | const int windowRank_=0 ; |
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| 173 | MPI_Aint lastBlocToFree_=0 ; |
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| 174 | |
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| 175 | } ; |
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| 176 | |
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| 177 | } |
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| 178 | |
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| 179 | |
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[2547] | 180 | #endif |
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