[2343] | 1 | #ifndef __ONE_SIDED_CLIENT_BUFFER_HPP__ |
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| 2 | #define __ONE_SIDED_CLIENT_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_client.hpp" |
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| 9 | #include "one_sided_cs_buffer_base.hpp" |
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| 10 | |
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| 11 | namespace xios |
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| 12 | { |
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| 13 | extern CLogType logProtocol ; |
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| 14 | |
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| 15 | class COneSidedClientBuffer : public COneSidedCSBufferBase |
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| 16 | { |
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| 17 | class CBuffer |
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| 18 | { |
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| 19 | char* buffer_ ; |
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| 20 | size_t start_ ; |
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| 21 | size_t end_ ; |
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| 22 | size_t count_ ; |
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| 23 | size_t size_ ; |
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| 24 | bool fixed_ ; |
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| 25 | MPI_Win window_ ; |
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| 26 | |
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| 27 | public: |
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| 28 | CBuffer(MPI_Win window, size_t size, bool fixed) : start_(size), end_(0), count_(0), size_(size), fixed_(fixed), window_(window) |
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| 29 | { |
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| 30 | size_t trueSize = (size/8 + 1)*8 + 8 ; // seems to have some problem with OpenMPi/UCX when trying to tranfer 1 byte |
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| 31 | // at the end of the buffer. Alignment problem ? Or simple bug ? Seems that allocate |
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| 32 | // greater buffer solves the problem |
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| 33 | MPI_Alloc_mem(trueSize, MPI_INFO_NULL, &buffer_) ; |
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| 34 | info(logProtocol)<<"Attach memory to windows : addr="<<(MPI_Aint)buffer_<<" count="<<size<<endl ; |
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| 35 | |
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| 36 | MPI_Win_attach(window_, buffer_, trueSize) ; |
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| 37 | |
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| 38 | } |
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| 39 | ~CBuffer() |
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| 40 | { |
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| 41 | if (count_>0) ERROR("COneSidedClientBuffer::~CBuffer()",<<"Try to delete buffer that is not empty"<<std::endl) ; |
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| 42 | MPI_Win_detach(window_, buffer_) ; |
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| 43 | MPI_Free_mem(buffer_) ; |
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| 44 | info(logProtocol)<<"Detach memory from windows : addr="<<(MPI_Aint)buffer_<<" count="<<size_<<endl ; |
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| 45 | } |
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| 46 | |
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| 47 | void write(char** buffer, size_t& size, MPI_Aint& addr, size_t& start, size_t& count) |
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| 48 | { |
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| 49 | addr = 0 ; |
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| 50 | count = 0 ; |
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| 51 | if (end_ < start_) |
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| 52 | { |
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| 53 | if (start_-end_ >= size) |
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| 54 | { |
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| 55 | count=size ; |
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| 56 | size = 0 ; |
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| 57 | start=end_ ; |
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| 58 | MPI_Get_address(&buffer_[start], &addr) ; |
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| 59 | end_ += count ; |
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| 60 | count_+= count ; |
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| 61 | memcpy(&buffer_[start], *buffer, count) ; |
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| 62 | *buffer+=count ; |
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| 63 | } |
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| 64 | else |
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| 65 | { |
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| 66 | count = start_-end_ ; |
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| 67 | size -= count ; |
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| 68 | start=end_ ; |
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| 69 | MPI_Get_address(&buffer_[start], &addr) ; |
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| 70 | end_ = start_ ; |
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| 71 | count_+=count ; |
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| 72 | memcpy(&buffer_[start], *buffer, count) ; |
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| 73 | *buffer+=count ; |
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| 74 | } |
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| 75 | } |
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| 76 | else if ( end_> start_ ) |
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| 77 | { |
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| 78 | if (size_-end_ >= size) |
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| 79 | { |
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| 80 | count = size ; |
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| 81 | size = 0; |
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| 82 | start=end_ ; |
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| 83 | MPI_Get_address(&buffer_[start], &addr) ; |
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| 84 | end_ += count ; |
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| 85 | count_ += count ; |
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| 86 | memcpy(&buffer_[start], *buffer, count) ; |
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| 87 | *buffer+=count ; |
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| 88 | } |
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| 89 | else |
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| 90 | { |
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| 91 | count = size_ - end_ ; |
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| 92 | size -= count ; |
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| 93 | start=end_ ; |
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| 94 | MPI_Get_address(&buffer_[start], &addr) ; |
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| 95 | end_ = 0 ; |
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| 96 | count_+= count ; |
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| 97 | memcpy(&buffer_[start], *buffer, count) ; |
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| 98 | *buffer+=count ; |
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| 99 | } |
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| 100 | } |
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| 101 | else if (end_==start_) |
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| 102 | { |
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| 103 | count = 0 ; |
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| 104 | } |
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| 105 | |
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| 106 | // check |
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| 107 | |
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| 108 | if (count!=0) |
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| 109 | { |
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| 110 | MPI_Aint startBufferAddr,endBufferAddr ; |
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| 111 | MPI_Get_address(&buffer_[0], &startBufferAddr) ; |
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| 112 | MPI_Get_address(&buffer_[size_-1], &endBufferAddr) ; |
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| 113 | |
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| 114 | if (addr<startBufferAddr || MPI_Aint_add(addr,count-1)>endBufferAddr) |
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| 115 | { |
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| 116 | ERROR("COneSidedClientBuffer::CBuffer::write(char** buffer, size_t& size, MPI_Aint& addr, size_t& start, size_t& count)",<<" out of bounds"<<std::endl) ; |
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| 117 | } |
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| 118 | |
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| 119 | } |
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| 120 | } |
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| 121 | |
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| 122 | void free(size_t start, size_t count) |
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| 123 | { |
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| 124 | start_ = start+count-1 ; |
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| 125 | count_ -= count ; |
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| 126 | } |
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| 127 | |
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| 128 | size_t remain(void) { return size_-count_; } |
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| 129 | size_t getSize(void) { return size_ ;} |
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| 130 | size_t getCount(void) {return count_ ;} |
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| 131 | size_t isFixed(void) {return fixed_;} |
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| 132 | } ; |
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| 133 | |
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| 134 | public: |
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| 135 | COneSidedClientBuffer(MPI_Comm& interComm, int serverRank, MPI_Comm& commSelf, MPI_Comm& interCommMerged, int intraServerRank) ; |
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| 136 | void newBuffer(size_t size, bool fixed) ; |
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| 137 | bool isBufferFree(size_t size) ; |
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| 138 | int writeBuffer(char* buff, size_t size) ; |
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| 139 | void freeBuffer(MPI_Aint addr) ; |
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| 140 | bool freeBloc(MPI_Aint addr) ; |
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| 141 | bool writeEvent(size_t timeLine, CEventClient& event) ; |
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| 142 | bool isEmpty(void) { return blocs_.empty() ;} |
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| 143 | bool isNotifiedFinalized(void) { eventLoop() ; return buffers_.empty() && isFinalized_ ;} |
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| 144 | void setFixed(size_t size) { fixed_=true ; fixedSize_=size ;} |
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| 145 | void setGrowable(double growingFactor) { fixed_= false ; growingFactor_=growingFactor;} |
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| 146 | void setGrowingFactor(double growingFactor) {growingFactor_=growingFactor;} |
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| 147 | void eventLoop(void) ; |
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| 148 | void sendTimelineEvent(size_t timeline, int nbSenders, int nbBlocs) ; |
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| 149 | void sendResizeBufferEvent(size_t timeline, size_t currentBufferSize_) ; |
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| 150 | void sendNewBuffer(void) ; |
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| 151 | void createWindow(MPI_Comm& commSelf, MPI_Comm& interCommMerged, int intraServerRank ) ; |
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| 152 | |
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| 153 | private : |
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| 154 | |
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| 155 | struct SBloc |
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| 156 | { |
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| 157 | MPI_Aint addr ; |
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| 158 | CBuffer* buffer ; |
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| 159 | size_t start ; |
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| 160 | int count ; |
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| 161 | int window ; |
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| 162 | } ; |
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| 163 | |
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| 164 | struct SRequest |
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| 165 | { |
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| 166 | CBufferOut* buffer ; |
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| 167 | MPI_Request mpiRequest ; |
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| 168 | } ; |
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| 169 | |
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| 170 | MPI_Aint* control_ ; |
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| 171 | |
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| 172 | MPI_Comm interComm_; |
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| 173 | MPI_Comm winComm_ ; |
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| 174 | |
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| 175 | MPI_Win window_ ; |
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| 176 | vector<MPI_Win> windows_ ; |
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| 177 | vector<bool> usedWindows_ ; |
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| 178 | int currentWindow_ ; |
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| 179 | int maxWindows_ ; |
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| 180 | |
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| 181 | MPI_Win winControl_ ; |
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| 182 | int serverRank_ ; |
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| 183 | |
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| 184 | std::list<CBuffer*> buffers_ ; |
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| 185 | std::list<SBloc> blocs_ ; |
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| 186 | std::list<SBloc>::iterator lastBlocEvent_ ; |
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| 187 | CBuffer* currentBuffer_=nullptr ; |
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| 188 | std::list<SRequest> requests_ ; |
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| 189 | |
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| 190 | bool fixed_=false; |
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| 191 | size_t fixedSize_ = 0 ; |
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[2399] | 192 | size_t currentBufferSize_= 0 ; |
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[2343] | 193 | double growingFactor_ = 2. ; |
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| 194 | MPI_Aint lastFreedBloc_=0 ; |
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| 195 | bool isFinalized_ = false ; |
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| 196 | |
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| 197 | } ; |
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| 198 | |
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| 199 | } |
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| 200 | |
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| 201 | |
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| 202 | #endif |
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