BasicBC Class Reference

#include <BasicBC.h>

Inheritance diagram for BasicBC:

Collaboration diagram for BasicBC:

Classes
struct	info_t

Public Member Functions
	BasicBC ()
virtual void	clientFree ()
virtual PieceToSend *	computePiecesToSend (unsigned &size)
virtual bool	freeComId (long id)
virtual void *	getClientData (void *pid, int server_node, long &size, long &length, bool &end)
virtual void *	getDescr ()
virtual PaCO::PacoTopology_t	getDestTopology ()
virtual long	getNodeRank ()
virtual void *	getServerData (long &length)
virtual PaCO::PacoTopology_t	getSourceTopology ()
virtual bool	insertData (void *rcptBuf, unsigned long element_nb)
virtual void	serverFree ()
void	setBlocSize (unsigned long bsz)
virtual bool	setComId (long id)
virtual void	setCommunicator (void *group)
virtual void	setDataPtr (void *dataPtr)
virtual void	setDescr (void *descr)
virtual void	setDestTopology (PaCO::PacoTopology_t topo)
void	setEltSize (unsigned long size)
virtual void	setNodeRank (long Rank)
virtual void	setSourceTopology (PaCO::PacoTopology_t topo)
void	setTotalNbElt (unsigned long elt_nb)
virtual	~BasicBC ()

Private Types
typedef map< long, info_list_t ** >	info_list_map_t
typedef list< info_t * >	info_list_t

Private Member Functions
void	allocate_new_info_list ()
void	clear_info_list ()
void	internalFreeComId (info_list_map_t::iterator &it)
void	internalSetComId (long id)
void	reset_info_list ()

Private Attributes
char *	_clientBuffer
BasicBCLib::BasicBCDescr	_clientDescr
unsigned	_config
long	_cur_id
unsigned	_dbsz
unsigned	_descr_ids_counter
bool	_descr_to_be_cleaned
PaCO::PacoTopology_t	_dTopo
unsigned	_glen
info_list_map_t	_info_list_map
info_list_t **	_infolists
unsigned	_llen
unsigned	_lstart
unsigned	_nodeRank
BasicBC_param_t	_param
unsigned	_sbsz
char *	_serverBuffer
BasicBCLib::BasicBCDescr *	_serverDescr
unsigned long	_serverToReceived
PaCO::PacoTopology_t	_sTopo

Detailed Description

Definition at line 36 of file BasicBC.h.

Member Typedef Documentation

info_list_map_t

typedef map<long, info_list_t**> BasicBC::info_list_map_t

private

Definition at line 71 of file BasicBC.h.

info_list_t

typedef list<info_t*> BasicBC::info_list_t

private

Definition at line 69 of file BasicBC.h.

Constructor & Destructor Documentation

BasicBC()

BasicBC::BasicBC

(

)

Definition at line 117 of file BasicBC.cc.

References _clientBuffer, _config, _descr_to_be_cleaned, _dTopo, _nodeRank, _param, _serverBuffer, _serverDescr, _sTopo, BASICBC_BLOC, internalSetComId(), PaCO::PacoTopology_s::total, and BasicBC_param_t::type.

{
  // Common
  _config = 0;

  // By default 1->1 :)
  _sTopo.total=1;
  _dTopo.total=1;
  _param.type = BASICBC_BLOC;
  _nodeRank=0;
  
  // Client side
  _clientBuffer=NULL;
  _descr_to_be_cleaned=true;

  this->internalSetComId(-1); // set anonymous & init iterator, infolists & _cur_id
  
  // Server side
  _serverDescr=NULL;
  _serverBuffer=NULL;
}

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~BasicBC()

BasicBC::~BasicBC ( )

virtual

Definition at line 139 of file BasicBC.cc.

References _info_list_map, and internalFreeComId().

{
  for(info_list_map_t::iterator it=_info_list_map.begin(); it!=_info_list_map.end(); ++it)
    this->internalFreeComId(it);
  _info_list_map.clear();
}

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Member Function Documentation

allocate_new_info_list()

void BasicBC::allocate_new_info_list ( )

private

Definition at line 754 of file BasicBC.cc.

References _dTopo, _infolists, and PaCO::PacoTopology_s::total.

Referenced by internalSetComId().

{
  _infolists = new info_list_t*[_dTopo.total];
  for(unsigned i=0;i<_dTopo.total;i++)
    _infolists[i]=new info_list_t();
}

clear_info_list()

void BasicBC::clear_info_list ( )

private

Definition at line 777 of file BasicBC.cc.

References _dTopo, _infolists, and PaCO::PacoTopology_s::total.

Referenced by clientFree().

{
#ifdef DEBUG_INTERNAL
  std::cerr << "-- clear info list\n";
#endif
  // for each destNode
  for(unsigned i=0; i< _dTopo.total; i++) {
    // for each element of the list
    info_list_t *ilp = _infolists[i];
    for(info_list_t::const_iterator ci=ilp->begin(); ci!=ilp->end(); ++ci)
      delete (*ci);
    _infolists[i] -> clear();
  }
}

clientFree()

void BasicBC::clientFree ( )

virtual

Implements DistributionLibrary.

Definition at line 558 of file BasicBC.cc.

References _cur_id, clear_info_list(), and reset_info_list().

{

#ifdef DEBUG_INTERNAL
  std::cerr << "-- clientFree\n";
#endif
  if (_cur_id == -1) {
    this->clear_info_list();
  } else {
    this->reset_info_list();
  }
}

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computePiecesToSend()

PieceToSend * BasicBC::computePiecesToSend ( unsigned &  size )

virtual

Implements DistributionLibrary.

Definition at line 265 of file BasicBC.cc.

References _dTopo, _glen, _infolists, _llen, _lstart, _nodeRank, _param, _sbsz, _sTopo, BASICBC_BLOC, BlocNumberOfElementProc(), blocSize(), computeBlocBounds(), PieceToSend::destNode, getProcRangeInf(), getProcRangeSup(), BasicBC::info_t::gstart, PieceToSend::id, BasicBC::info_t::lstart, BasicBC::info_t::msg_size, NumberOfBlocProc(), OwnerBloc(), BasicBC::info_t::sent_size, PieceToSend::size, PieceToSend::sourceNode, PaCO::PacoTopology_s::total, TotalNumberOfElementProc(), BasicBC_param_t::type, and BasicBC_param_t::unitsize.

{
  /*
   * store src/dst/sz/start
   *
   * where start is a local offset to apply to the vector
   *
   */

  PieceToSend * sched;
  unsigned long golen = _glen*_param.unitsize;

  // We need to compute _lstart and _llen
  _sbsz = blocSize( golen, _sTopo.total, _param);
  _lstart = _nodeRank*_sbsz;
  _lstart = (_lstart < golen ? _lstart:golen);
  _llen   = TotalNumberOfElementProc(golen, _nodeRank, _sTopo.total, _sbsz);

#ifdef DEBUG_INTERNAL
  //  std::cerr << "In computePiecesToSend-------------------- all in octet !\n";

  fprintf(stderr, "-- stopo: %ld\tdtopo: %ld\n", _sTopo.total, _dTopo.total);
  fprintf(stderr, "-- golen: %ld\ttype: %d\tsd.start %d\tllen: %d\n", golen,
     _param.type, _lstart, _llen);
#endif

  if (_sTopo.total == _dTopo.total) {
#ifdef DEBUG_INTERNAL
    fprintf(stderr, "-- easy: n<->n case !\n");
#endif
    size_out = 1;
    sched = new PieceToSend[1];
    sched[0].sourceNode = _nodeRank; // my self :)
    sched[0].destNode   = _nodeRank; // the corresponding node
    sched[0].size       = _llen;     // msg size
    
    info_t* inf = new info_t();
    
    inf->gstart         = _lstart/_param.unitsize; // used start as id -> same at server side
    inf->lstart         = 0;       // do not apply any offset to local ptr
    inf->msg_size       = _llen; 
    inf->sent_size      = 0;

    // add inf to the list
    _infolists[_nodeRank]->push_back(inf);
    // sched points to the list
    sched[0].id         = (void*) _infolists[_nodeRank];

#ifdef DEBUG_INTERNAL
    fprintf(stderr, "--  %2d -> %2d : gstart:%2u lstart:%2u len:%2d\n",
       sched[0].sourceNode, sched[0].destNode, inf->gstart, inf->lstart, inf->msg_size);
#endif

  } else {        
    if (_param.type == BASICBC_BLOC ) {
      // that's a standard bloc redistribution
#ifdef DEBUG_INTERNAL
    fprintf(stderr, "-- medium: n<->m bloc redistribution case !\n");
#endif

      unsigned long slow;
      unsigned long shigh;
      computeBlocBounds(&slow, &shigh, golen, _nodeRank, _sTopo.total, _sbsz, 0);
    
#ifdef DEBUG_INTERNAL
      std::cerr << "--  sbsz: "<<_sbsz<<" sbounds: "<<slow<<" - "<<shigh<<endl;
#endif

      unsigned dbsz = blocSize(golen, _dTopo.total, _param);

#ifdef DEBUG_INTERNAL
      std::cerr << "--  dbsz: "<<dbsz<<endl;
#endif

      unsigned fpid, lpid;
      fpid = getProcRangeInf(slow,  dbsz);
      lpid = getProcRangeSup(shigh, dbsz);
    
#ifdef DEBUG_INTERNAL
      fprintf(stderr, "--  loop from %d to %d width dtotal: %ld\n", fpid, lpid, _dTopo.total);
#endif
    
      // for each dest bloc
      size_out = lpid-fpid+1;
      sched = new PieceToSend[size_out];
      for(unsigned i=fpid; i <= lpid; i++) {
   PieceToSend& s   =  sched[i-fpid];  
   s.sourceNode     = _nodeRank;
   s.destNode       = i;

   info_t* inf      = new info_t();

   unsigned tmp     = i*dbsz;
   unsigned tmp2;
   tmp2 = ( slow >= tmp)?slow:tmp; // max : global offset in octet as ID
   inf->gstart      = tmp2 / _param.unitsize;
   inf->lstart      = tmp2 - _lstart;

   tmp += dbsz;
   unsigned end     = ( shigh <= tmp)?shigh:tmp; // min

   inf->msg_size  =  s.size  = end - tmp2;
   inf->sent_size = 0;

   // add inf to the list
   _infolists[i-fpid]->push_back(inf);
   // sched points to the list
   s.id             = (void*) _infolists[i-fpid];

#ifdef DEBUG_INTERNAL
   fprintf(stderr, "--  %2d -> %2d : gstart:%2u lstart:%2u len:%2d\n",
      s.sourceNode, s.destNode, inf->gstart, inf->lstart, inf->msg_size);
#endif
      }
    } else {
      // it is a bloccyclic distribution
   
#ifdef DEBUG_INTERNAL
    fprintf(stderr, "-- hard: n<->m bloccyclic redistribution case !\n");
#endif

      unsigned stbsz  = _sbsz * _sTopo.total;
      unsigned nbbloc = NumberOfBlocProc(golen, _sTopo.total, _sbsz, _nodeRank);

#ifdef DEBUG_INTERNAL
      std::cerr << "--  sbsz: "<<_sbsz<<" nbbloc: "<<nbbloc<<endl;
#endif

      // for each src bloc, find a dst node
      // But only one struct for each dst -> pre-count

      // should be equal to the number of real dest !
      size_out = 0;
      unsigned *tmp_dnb    = (unsigned*) calloc(_dTopo.total, sizeof(unsigned)); // zeroed array
      PieceToSend **tmp_dor = (PieceToSend**) calloc(_dTopo.total, sizeof(PieceToSend*)); // zeroed array
      for(unsigned b=0; b<nbbloc; b++) {
   unsigned gb            = b * _sTopo.total + _nodeRank; // global bloc id
   unsigned drank         = OwnerBloc(gb, _dTopo.total);
   if (tmp_dnb[drank]++ == 0) // detect if it is the 1st time
     size_out++;
      }
      // Allocating output
      sched = new PieceToSend[size_out];
      unsigned cur=0;
      for(unsigned i=0; i<_dTopo.total; i++) {
   sched[cur].sourceNode = _nodeRank;
   sched[cur].destNode   = i;
   sched[cur].size       = 0;
   sched[cur].id         = (void*) _infolists[i]; 
   tmp_dor[i]            = &sched[cur];   // an index if valid only if tmp_dnb[index]>0 !!!!
   cur+= (tmp_dnb[i]>0?1:0); // increment order only if this dest is not zero
      }
   
#ifdef DEBUG_INTERNAL
      cerr << "-- size_out: "<<size_out<<endl;
#endif

      for(unsigned b=0; b<nbbloc; b++) {
   unsigned gb    = b * _sTopo.total + _nodeRank; // global bloc id
   unsigned drank = OwnerBloc(gb, _dTopo.total);
   
   PieceToSend* s = tmp_dor[drank];

   // Allocate new element
   info_t* inf    = new info_t();

   inf->gstart    = ((stbsz*b) + (_nodeRank*_sbsz))/ _param.unitsize;
   inf->lstart    = b * _sbsz;
   inf->msg_size  = BlocNumberOfElementProc(golen, _nodeRank, _sTopo.total, _sbsz, b);
   inf->sent_size = 0;

   // Accumulate msg length in PieceToSend
   s->size           += inf->msg_size;
   
   // insert it in the list
   info_list_t* ilsp  = (info_list_t*) s->id; // pointer to a list
   ilsp->push_back(inf);

   
#ifdef DEBUG_INTERNAL
   fprintf(stderr, "--  %2d -> %2d : gstart:%2u lstart:%2u len:%2d\n",
      s->sourceNode, s->destNode, inf->gstart, inf->lstart, inf->msg_size);
#endif
      }
    }
  }

#ifdef DEBUG_INTERNAL
  //  std::cerr << "computePiecesToSend-------------------- done\n";
#endif

  return sched;
}

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freeComId()

bool BasicBC::freeComId ( long  id )

virtual

Reimplemented from DistributionLibrary.

Definition at line 726 of file BasicBC.cc.

References _cur_id, _info_list_map, and internalFreeComId().

{ 
  if (id == -1) {
#ifdef DEBUG_INTERNAL
    cerr << "freeComId: not allowed to free com id -1 (ignoring)\n";
#endif
    return true;
  }

  if (_cur_id == id) {
#ifdef DEBUG_INTERNAL
    cerr << "freeComId: not allowed to free current com (ignoring)\n";
#endif
    return true;
  }

#ifdef DEBUG_INTERNAL
  cerr << "freeComid: communication id: "<<id<<endl;
#endif

  info_list_map_t::iterator it = _info_list_map.find(id);
  this->internalFreeComId(it);
  _info_list_map.erase(it);

  return true;
}

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getClientData()

void * BasicBC::getClientData ( void *  pid, int  server_node, long &  size, long &  length, bool &  end  )

virtual

Implements DistributionLibrary.

Definition at line 469 of file BasicBC.cc.

References _clientBuffer, _clientDescr, _descr_to_be_cleaned, _param, DEBUG_INTERNAL2, BasicBC::info_t::gstart, BasicBCLib::BasicBCDescr::ids, BasicBC::info_t::lstart, BasicBC::info_t::sent_size, and BasicBC_param_t::unitsize.

{
  info_list_t* ilsp  = (info_list_t*) pid;

#ifdef DEBUG_INTERNAL2
  std::cerr << "-- getClientData : _clientBuffer=" << (void*) _clientBuffer << std::endl;
  std::cerr << "-- getClientData : " << dnode << " " << remaining_size_octet << std::endl;
#endif

  if (_descr_to_be_cleaned) {
    _descr_to_be_cleaned = false;
    _clientDescr.ids.length(0);
  }

  // look for 1st one not "empty"
  long rst_data=0;
  info_list_t::const_iterator ci;
  for(ci=ilsp->begin(); ci!=ilsp->end(); ++ci) {
    rst_data = (*ci)->msg_size - (*ci)->sent_size;
    if (rst_data>0)
      break;
  }

  // No more element: return immediatly
  if (ci == ilsp->end())
    {
#ifdef DEBUG_INTERNAL2
      std::cerr << "-- getClientData0 : no more block for this argument\n";
#endif
      returned_length_element = 0;
      end = true;
      return NULL;
    }
  // No more data of this element but there are more
  if (rst_data == 0)
    {
#ifdef DEBUG_INTERNAL2
      std::cerr << "-- getClientData0 : no more data for this bloc\n";
#endif
      returned_length_element = 0;
      end = false;
      return NULL;
    }
  // *ci assumed ok here (else return above !!)
  info_t* info = *ci;

  // More asked data as I can provide -> give all the data of this bloc
  if (remaining_size_octet >= rst_data)
    {
      unsigned descr_len       = _clientDescr.ids.length();
      _clientDescr.ids.length(descr_len+1);
      _clientDescr.ids[descr_len] = info->gstart+(info->sent_size/_param.unitsize);

      unsigned start           = info->lstart+info->sent_size;
      info->sent_size         += rst_data;
      returned_length_element  = rst_data / _param.unitsize; // should divide;
      remaining_size_octet    -= rst_data;
      end                      = (remaining_size_octet == 0);

#ifdef DEBUG_INTERNAL2
      std::cerr << "-- getClientData1 : gstart:"<<_clientDescr.ids[descr_len]<<" #element:"<<returned_length_element<<endl;
#endif

      return (void *)&_clientBuffer[start];
    }
  else
    {
      // I have more data than requested
      unsigned descr_len       = _clientDescr.ids.length();
      _clientDescr.ids.length(descr_len+1);
      _clientDescr.ids[descr_len]    = info->gstart+(info->sent_size/_param.unitsize);

      unsigned start           = info->lstart+info->sent_size;
      returned_length_element  = (remaining_size_octet+_param.unitsize-1)/_param.unitsize; // max
      unsigned mlen            = returned_length_element*_param.unitsize;
      info->sent_size         += mlen;
      remaining_size_octet    -= mlen;
      end                      = true;


#ifdef DEBUG_INTERNAL2
      std::cerr << "-- getClientData1 : gstart:"<<_clientDescr.ids[descr_len]<<" #element:"<<returned_length_element<<endl;
#endif

      return (void *)&_clientBuffer[start];
    }
}

getDescr()

void * BasicBC::getDescr ( )

virtual

Implements DistributionLibrary.

Definition at line 572 of file BasicBC.cc.

References _clientDescr, _descr_to_be_cleaned, BasicBCLib::BasicBCDescr::bsz, BasicBCLib::BasicBCDescr::glen, and BasicBCLib::BasicBCDescr::ids.

{
#ifdef DEBUG_INTERNAL
  std::cerr << "-- descr: glen: "<<_clientDescr.glen<<" #element: "<<_clientDescr.ids.length()<<" bsz: "<<_clientDescr.bsz;
  for(unsigned i=0;i<_clientDescr.ids.length();i++) {
    std::cerr<<" "<<_clientDescr.ids[i];
  }
  std::cerr<<std::endl;
#endif
  _descr_to_be_cleaned = true;
  return &_clientDescr;
}

getDestTopology()

PaCO::PacoTopology_t BasicBC::getDestTopology ( )

virtual

Implements DistributionLibrary.

Definition at line 190 of file BasicBC.cc.

References _dTopo.

{
  std::cerr << "****** Why is the method " << __FUNCTION__ << "called?\n";
  abort();
  return _dTopo;
}

getNodeRank()

long BasicBC::getNodeRank ( )

virtual

Implements DistributionLibrary.

Definition at line 207 of file BasicBC.cc.

References _nodeRank.

{
  return _nodeRank;
}

getServerData()

void * BasicBC::getServerData ( long &  length )

virtual

Implements DistributionLibrary.

Definition at line 616 of file BasicBC.cc.

References _llen, _param, _serverBuffer, and BasicBC_param_t::unitsize.

{
  length= _llen / _param.unitsize;
#ifdef DEBUG_INTERNAL
  std::cerr << "-- getServerData: ptr : "<<(void*)_serverBuffer<<" #element:"<<length<<std::endl;
#endif  
  return (void*) _serverBuffer;
}

getSourceTopology()

PaCO::PacoTopology_t BasicBC::getSourceTopology ( )

virtual

Implements DistributionLibrary.

Definition at line 157 of file BasicBC.cc.

References _sTopo.

{
  std::cerr << "****** Why is the method " << __FUNCTION__ << "called?\n";
  abort();
  return _sTopo;
}

insertData()

bool BasicBC::insertData ( void *  rcptBuf, unsigned long  element_nb  )

virtual

Implements DistributionLibrary.

Definition at line 586 of file BasicBC.cc.

References _dbsz, _descr_ids_counter, _dTopo, _param, _serverBuffer, _serverDescr, _serverToReceived, BASICBC_BLOC, BasicBCLib::BasicBCDescr::ids, PaCO::PacoTopology_s::total, BasicBC_param_t::type, and BasicBC_param_t::unitsize.

{
  // We are receiving one bloc
  unsigned gstart = _serverDescr->ids[_descr_ids_counter++]; // in octet !!!
  unsigned lstart;
  unsigned llen   = element_nb*_param.unitsize;

  // Need to compute lstart :(
  if (_param.type == BASICBC_BLOC ) {
    lstart = (gstart*_param.unitsize)/ _dbsz; // bloc number
    lstart = (gstart*_param.unitsize) - (lstart*_dbsz);
  } else {
    lstart = (gstart*_param.unitsize)/ _dbsz; // bloc number
    lstart /= _dTopo.total;                   // local number
  }

  char*    rptr   = &_serverBuffer[lstart];
#ifdef DEBUG_INTERNAL
  std::cerr << "  gstart: "<< gstart<<" lstart: "<<lstart<<" #element " << element_nb<<" llen: "<<llen<<std::endl;
#endif
  memcpy(rptr, rcptBuf, llen);

  _serverToReceived -= llen;
#ifdef DEBUG_INTERNAL
  std::cerr << " #missing data"<<_serverToReceived<<std::endl;
#endif
  return (_serverToReceived == 0);
}

internalFreeComId()

void BasicBC::internalFreeComId ( info_list_map_t::iterator &  it )

private

Definition at line 702 of file BasicBC.cc.

References _dTopo, _info_list_map, and PaCO::PacoTopology_s::total.

Referenced by freeComId(), setDestTopology(), and ~BasicBC().

{
  if (it == _info_list_map.end() ) {
#ifdef DEBUG_INTERNAL
    cerr << "freeComid: communication id  not found (ignoring)\n";
#endif
  } else {
#ifdef DEBUG_INTERNAL
    cerr << "freeComid: freeing communication "<<endl;
#endif
    info_list_t** info = it->second;
    // for each destNode
    for(unsigned i=0; i< _dTopo.total; i++) {
      // for each element of the list
      info_list_t *ilp = info[i];
      for(info_list_t::const_iterator ci=ilp->begin(); ci!=ilp->end(); ++ci)
   delete (*ci);
      info[i] -> clear();
      delete info[i];
    }
  }
}

internalSetComId()

void BasicBC::internalSetComId ( long  id )

private

Definition at line 666 of file BasicBC.cc.

References _cur_id, _info_list_map, _infolists, and allocate_new_info_list().

Referenced by BasicBC(), setComId(), and setDestTopology().

{ 
  info_list_map_t::iterator it = _info_list_map.find(id);

  if (it == _info_list_map.end() ) {
#ifdef DEBUG_INTERNAL
    cerr << "setComiI: set 1st time communication id "<<id<<endl;
#endif
    // we must allocate a new one
    this->allocate_new_info_list();
#ifdef DEBUG_INTERNAL
    cerr << "setComId: allocating a new _infolists: "<<_infolists<<endl;      
#endif
    _info_list_map[id] = _infolists;
  } else {
#ifdef DEBUG_INTERNAL
    cerr << "setComId: set (not 1st time) communication id "<<id<<endl;
#endif
    _infolists   = it->second;
  }

  _cur_id = id;
}

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reset_info_list()

void BasicBC::reset_info_list ( )

private

Definition at line 762 of file BasicBC.cc.

References _dTopo, _infolists, and PaCO::PacoTopology_s::total.

Referenced by clientFree().

{
#ifdef DEBUG_INTERNAL
  std::cerr << "-- reset info list\n";
#endif
  // for each destNode
  for(unsigned i=0; i< _dTopo.total; i++) {
    // for each element of the list
    info_list_t *ilp = _infolists[i];
    for(info_list_t::const_iterator ci=ilp->begin(); ci!=ilp->end(); ++ci)
      (*ci)->sent_size = 0;
  }
}

serverFree()

void BasicBC::serverFree ( )

virtual

Implements DistributionLibrary.

Definition at line 656 of file BasicBC.cc.

References _serverBuffer.

{ 
#ifdef DEBUG_INTERNAL
  std::cerr << "-- serverFree: "<<(void*)_serverBuffer<<endl;
#endif
  free(_serverBuffer);
  _serverBuffer=NULL; // the orb (or the user) need to free the memory!
}

setBlocSize()

void BasicBC::setBlocSize

(

unsigned long

bsz

)

Definition at line 213 of file BasicBC.cc.

References _clientDescr, _config, _param, BASICBC_BLOC, BASICBC_BLOCCYCLIC, BASICBC_CYCLIC, BasicBC_param_t::blocsize, BasicBCLib::BasicBCDescr::bsz, DISTRIBUTION_TYPE, and BasicBC_param_t::type.

Referenced by setDescr().

{
#ifdef DEBUG_INTERNAL
  std::cerr << "-- setBlocSize: " << size << std::endl;
#endif
  _config |= DISTRIBUTION_TYPE;
  switch(size) {
  case 0:
#ifdef DEBUG_INTERNAL
    cout << "Selecting a BLOC distribution\n";
#endif
    _param.type = BASICBC_BLOC;
    _clientDescr.bsz  = 0;
    break;
  case 1:
#ifdef DEBUG_INTERNAL
    cout << "Selecting a CYCLIC distribution\n";
#endif
    _param.type = BASICBC_CYCLIC;
    _clientDescr.bsz  = 1;
    break;
  default:
#ifdef DEBUG_INTERNAL
    cout << "Selecting a BLOCCYCLIC with bsz= " << size << " \n";
#endif
    _param.type = BASICBC_BLOCCYCLIC;
    _clientDescr.bsz  =  _param.blocsize = size;
  }
}

setComId()

bool BasicBC::setComId ( long  id )

virtual

Reimplemented from DistributionLibrary.

Definition at line 691 of file BasicBC.cc.

References _cur_id, and internalSetComId().

{ 
  if (_cur_id == id) return true; // already initialized

  this->internalSetComId(id);

  return true;
}

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setCommunicator()

virtual void BasicBC::setCommunicator ( void *  group )

inlinevirtual

Implements DistributionLibrary.

Definition at line 103 of file BasicBC.h.

{}

setDataPtr()

void BasicBC::setDataPtr ( void *  dataPtr )

virtual

Implements DistributionLibrary.

Definition at line 460 of file BasicBC.cc.

References _clientBuffer.

{
  _clientBuffer = (char *) dataPtr;
#ifdef DEBUG_INTERNAL
  cerr << "-- _clientBuffer set to "<<dataPtr<<endl;
#endif
}

setDescr()

void BasicBC::setDescr ( void *  descr )

virtual

Implements DistributionLibrary.

Definition at line 626 of file BasicBC.cc.

References _dbsz, _descr_ids_counter, _dTopo, _llen, _nodeRank, _param, _serverBuffer, _serverDescr, _serverToReceived, _sTopo, blocSize(), BasicBCLib::BasicBCDescr::bsz, BasicBCLib::BasicBCDescr::glen, setBlocSize(), setTotalNbElt(), PaCO::PacoTopology_s::total, TotalNumberOfElementProc(), and BasicBC_param_t::unitsize.

{
  _serverDescr = (BasicBCLib::BasicBCDescr*) descr;
  _descr_ids_counter=0;

  // Descr already received

  if ( _serverBuffer == NULL)
    {
      // 1st time -> allocate memory & init
      //this->setEltSize(_descr->usz); BUG: usz can be different in client and server (32bit vs 64bit)
      unsigned long golen = _serverDescr->glen*_param.unitsize;
      this->setTotalNbElt(_serverDescr->glen);
      this->setBlocSize(_serverDescr->bsz);
      _dbsz = blocSize( golen, _dTopo.total, _param);
      _llen  = TotalNumberOfElementProc(golen, _nodeRank, _dTopo.total, _dbsz);
      
#ifdef DEBUG_INTERNAL
      fprintf(stderr, "-- setDescr: stopo: %ld\tdtopo: %ld\n",_sTopo.total, _dTopo.total);
      fprintf(stderr, "   setDescr: golen: %ld\tllen %d\tbsz:%ld\n", _serverDescr->glen, _llen, _serverDescr->bsz);
#endif  
      _serverBuffer = (char*) malloc(_llen);
#ifdef DEBUG_INTERNAL
      std::cerr << "-- serverMalloc: "<<(void*)_serverBuffer<<" - "<<_llen<<endl;
#endif
      _serverToReceived = _llen;
    }
}

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setDestTopology()

void BasicBC::setDestTopology ( PaCO::PacoTopology_t  topo )

virtual

Implements DistributionLibrary.

Definition at line 165 of file BasicBC.cc.

References _config, _cur_id, _dTopo, _info_list_map, DST_TOPOLOGY, internalFreeComId(), internalSetComId(), and PaCO::PacoTopology_s::total.

{
#ifdef DEBUG_INTERNAL
  std::cerr << "-- setDestTopology: " << topo.total << std::endl;
#endif
  _config |= DST_TOPOLOGY;

  if ( _dTopo.total == topo.total ) return ; // Nothing change !!!!

  // Delete old entries wrt to old state
  info_list_map_t::iterator it = _info_list_map.find(_cur_id);
  this->internalFreeComId(it);
  _info_list_map.erase(it);

  // Change the state of the object
  _dTopo = topo;

  // Set new entries
  this->internalSetComId(_cur_id);

  // BUG: MUST ALSO DELETE ALL ENTRIES IN _info_list_map 

}

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setEltSize()

void BasicBC::setEltSize

(

unsigned long

size

)

Definition at line 244 of file BasicBC.cc.

References _config, _param, ELEMENT_SIZE, and BasicBC_param_t::unitsize.

{
#ifdef DEBUG_INTERNAL
  std::cerr << "-- setEltSize: " << size << std::endl;
#endif
  _config |= ELEMENT_SIZE;
  _param.unitsize = size;
}

setNodeRank()

void BasicBC::setNodeRank ( long  Rank )

virtual

Implements DistributionLibrary.

Definition at line 198 of file BasicBC.cc.

References _nodeRank.

{
#ifdef DEBUG_INTERNAL
  std::cerr << "-- setNodeRank: " << Rank << std::endl;
#endif
  _nodeRank = Rank;
}

setSourceTopology()

void BasicBC::setSourceTopology ( PaCO::PacoTopology_t  topo )

virtual

Implements DistributionLibrary.

Definition at line 147 of file BasicBC.cc.

References _config, _sTopo, SRC_TOPOLOGY, and PaCO::PacoTopology_s::total.

{
#ifdef DEBUG_INTERNAL
  std::cerr << "-- setSourceTopology: " << topo.total << std::endl;
#endif
  _config |= SRC_TOPOLOGY;
  _sTopo = topo;
}

setTotalNbElt()

void BasicBC::setTotalNbElt

(

unsigned long

elt_nb

)

Definition at line 254 of file BasicBC.cc.

References _clientDescr, _config, _glen, BasicBCLib::BasicBCDescr::glen, and TOTAL_SIZE.

Referenced by setDescr().

{
#ifdef DEBUG_INTERNAL
  std::cerr << "-- setTotalNbElt: " << elt_nb << std::endl;
#endif
  _config |= TOTAL_SIZE;
  _clientDescr.glen = _glen = elt_nb;
}

Member Data Documentation

_clientBuffer

char* BasicBC::_clientBuffer

private

Definition at line 78 of file BasicBC.h.

Referenced by BasicBC(), getClientData(), and setDataPtr().

_clientDescr

BasicBCLib::BasicBCDescr BasicBC::_clientDescr

private

Definition at line 79 of file BasicBC.h.

Referenced by getClientData(), getDescr(), setBlocSize(), and setTotalNbElt().

_config

unsigned BasicBC::_config

private

Definition at line 42 of file BasicBC.h.

Referenced by BasicBC(), setBlocSize(), setDestTopology(), setEltSize(), setSourceTopology(), and setTotalNbElt().

_cur_id

long BasicBC::_cur_id

private

Definition at line 74 of file BasicBC.h.

Referenced by clientFree(), freeComId(), internalSetComId(), setComId(), and setDestTopology().

_dbsz

unsigned BasicBC::_dbsz

private

Definition at line 55 of file BasicBC.h.

Referenced by insertData(), and setDescr().

_descr_ids_counter

unsigned BasicBC::_descr_ids_counter

private

Definition at line 84 of file BasicBC.h.

Referenced by insertData(), and setDescr().

_descr_to_be_cleaned

bool BasicBC::_descr_to_be_cleaned

private

Definition at line 77 of file BasicBC.h.

Referenced by BasicBC(), getClientData(), and getDescr().

_dTopo

PaCO::PacoTopology_t BasicBC::_dTopo

private

Definition at line 45 of file BasicBC.h.

Referenced by allocate_new_info_list(), BasicBC(), clear_info_list(), computePiecesToSend(), getDestTopology(), insertData(), internalFreeComId(), reset_info_list(), setDescr(), and setDestTopology().

_glen

unsigned BasicBC::_glen

private

Definition at line 50 of file BasicBC.h.

Referenced by computePiecesToSend(), and setTotalNbElt().

_info_list_map

info_list_map_t BasicBC::_info_list_map

private

Definition at line 72 of file BasicBC.h.

Referenced by freeComId(), internalFreeComId(), internalSetComId(), setDestTopology(), and ~BasicBC().

_infolists

info_list_t** BasicBC::_infolists

private

Definition at line 75 of file BasicBC.h.

Referenced by allocate_new_info_list(), clear_info_list(), computePiecesToSend(), internalSetComId(), and reset_info_list().

_llen

unsigned BasicBC::_llen

private

Definition at line 51 of file BasicBC.h.

Referenced by computePiecesToSend(), getServerData(), and setDescr().

_lstart

unsigned BasicBC::_lstart

private

Definition at line 53 of file BasicBC.h.

Referenced by computePiecesToSend().

_nodeRank

unsigned BasicBC::_nodeRank

private

Definition at line 48 of file BasicBC.h.

Referenced by BasicBC(), computePiecesToSend(), getNodeRank(), setDescr(), and setNodeRank().

_param

BasicBC_param_t BasicBC::_param

private

Definition at line 47 of file BasicBC.h.

Referenced by BasicBC(), computePiecesToSend(), getClientData(), getServerData(), insertData(), setBlocSize(), setDescr(), and setEltSize().

_sbsz

unsigned BasicBC::_sbsz

private

Definition at line 54 of file BasicBC.h.

Referenced by computePiecesToSend().

_serverBuffer

char* BasicBC::_serverBuffer

private

Definition at line 85 of file BasicBC.h.

Referenced by BasicBC(), getServerData(), insertData(), serverFree(), and setDescr().

_serverDescr

BasicBCLib::BasicBCDescr* BasicBC::_serverDescr

private

Definition at line 87 of file BasicBC.h.

Referenced by BasicBC(), insertData(), and setDescr().

_serverToReceived

unsigned long BasicBC::_serverToReceived

private

Definition at line 83 of file BasicBC.h.

Referenced by insertData(), and setDescr().

_sTopo

PaCO::PacoTopology_t BasicBC::_sTopo

private

Definition at line 44 of file BasicBC.h.

Referenced by BasicBC(), computePiecesToSend(), getSourceTopology(), setDescr(), and setSourceTopology().

---

The documentation for this class was generated from the following files:

• BasicBC.h
• BasicBC.cc