#include "BasicBC.h"
#include <iostream>

Include dependency graph for BasicBC.cc:

Defines
#define	DISTRIBUTION_TYPE 16
#define	DST_TOPOLOGY 2
#define	ELEMENT_SIZE 4
#define	SRC_TOPOLOGY 1
#define	TOTAL_SIZE 8
Functions
static unsigned	BlocNumberOfElementProc (const unsigned glen, const unsigned rank, const unsigned nbprocs, const unsigned bsz, const unsigned pos)
static unsigned	blocSize (const unsigned glen, const unsigned nbprocs, const BasicBC_param_t &param)
static unsigned	computeBlocBoundInf (const unsigned bsz, const unsigned rank, const unsigned nbprocs, const unsigned pos)
static void	computeBlocBounds (unsigned long low, unsigned long high, const unsigned glen, const unsigned rank, const unsigned nbprocs, const unsigned bsz, const unsigned pos)
static unsigned	getProcRangeInf (unsigned low, unsigned bsz)
static unsigned	getProcRangeSup (unsigned high, unsigned bsz)
static unsigned	NumberOfBlocProc (const unsigned glen, const unsigned nbprocs, const unsigned bsz, const unsigned rank)
static unsigned	OwnerBloc (const unsigned bid, const unsigned nbprocs)
static unsigned	TotalNumberOfElementProc (const unsigned glen, const unsigned rank, const unsigned nbprocs, const unsigned bsz)

Define Documentation

#define DISTRIBUTION_TYPE 16

Definition at line 8 of file BasicBC.cc.

Referenced by BasicBC::setBlocSize().

#define DST_TOPOLOGY 2

Definition at line 5 of file BasicBC.cc.

Referenced by BasicBC::setDestTopology().

#define ELEMENT_SIZE 4

Definition at line 6 of file BasicBC.cc.

Referenced by BasicBC::setEltSize().

#define SRC_TOPOLOGY 1

Definition at line 4 of file BasicBC.cc.

Referenced by BasicBC::setSourceTopology().

#define TOTAL_SIZE 8

Definition at line 7 of file BasicBC.cc.

Referenced by BasicBC::setTotalNbElt().

Function Documentation

static unsigned BlocNumberOfElementProc	(	const unsigned	glen,
		const unsigned	rank,
		const unsigned	nbprocs,
		const unsigned	bsz,
		const unsigned	pos
	)		`[inline, static]`

Definition at line 45 of file BasicBC.cc.

Referenced by BasicBC::computePiecesToSend().

                                      {
  
  unsigned long low = ( pos * nbprocs + rank ) * bsz;
  unsigned long end = low + bsz;
  unsigned long high = (glen < end ? glen : end);
  
  return ( high - low );
  
}

static unsigned blocSize	(	const unsigned	glen,
		const unsigned	nbprocs,
		const BasicBC_param_t &	param
	)		`[inline, static]`

Definition at line 98 of file BasicBC.cc.

References BASICBC_BLOC, BASICBC_BLOCCYCLIC, BASICBC_CYCLIC, BasicBC_param_t::blocsize, BasicBC_param_t::type, and BasicBC_param_t::unitsize.

Referenced by BasicBC::computePiecesToSend(), and BasicBC::setDescr().

                                           {
  switch(param.type)
    {
    case BASICBC_BLOC:
      {
   unsigned nbbloc = (glen + param.unitsize - 1) / param.unitsize;
   return ((nbbloc + nbprocs - 1 ) / nbprocs) * param.unitsize;
      }
    case BASICBC_CYCLIC: return param.unitsize; break;
    case BASICBC_BLOCCYCLIC: return param.blocsize*param.unitsize; break;
    }
  return 0;
}

static unsigned computeBlocBoundInf	(	const unsigned	bsz,
		const unsigned	rank,
		const unsigned	nbprocs,
		const unsigned	pos
	)		`[inline, static]`

Definition at line 60 of file BasicBC.cc.

                                                               {
  return  ( pos * nbprocs + rank) * bsz;
}

static void computeBlocBounds	(	unsigned long *	low,
		unsigned long *	high,
		const unsigned	glen,
		const unsigned	rank,
		const unsigned	nbprocs,
		const unsigned	bsz,
		const unsigned	pos
	)		`[inline, static]`

Definition at line 69 of file BasicBC.cc.

Referenced by BasicBC::computePiecesToSend().

                                      {
  unsigned long start = (pos * nbprocs + rank) * bsz;
  unsigned long end = start + bsz;
  *low =  start;
  *high = ((glen <= end)?glen:end); // min
}

static unsigned getProcRangeInf	(	unsigned	low,
		unsigned	bsz
	)		`[inline, static]`

Definition at line 23 of file BasicBC.cc.

Referenced by BasicBC::computePiecesToSend(), computeReceiveBlock1D(), and computeSendBlock1D().

                                                                   {
  return low / bsz;      // first remote node
}

static unsigned getProcRangeSup	(	unsigned	high,
		unsigned	bsz
	)		`[inline, static]`

Definition at line 28 of file BasicBC.cc.

Referenced by BasicBC::computePiecesToSend(), computeReceiveBlock1D(), and computeSendBlock1D().

                                                                    {
  return (high-1) / bsz; //  last remote node
}

static unsigned NumberOfBlocProc	(	const unsigned	glen,
		const unsigned	nbprocs,
		const unsigned	bsz,
		const unsigned	rank
	)		`[inline, static]`

Definition at line 35 of file BasicBC.cc.

Referenced by BasicBC::computePiecesToSend(), and TotalNumberOfElementProc().

                                                         {
  unsigned nbbloc = (glen + bsz - 1 ) / bsz;
  return (nbbloc / nbprocs) + (rank < (nbbloc % nbprocs ) ) ;
}

static unsigned OwnerBloc	(	const unsigned	bid,
		const unsigned	nbprocs
	)		`[inline, static]`

Definition at line 16 of file BasicBC.cc.

Referenced by BasicBC::computePiecesToSend().

                                                                             {
  return bid % nbprocs;
}

static unsigned TotalNumberOfElementProc	(	const unsigned	glen,
		const unsigned	rank,
		const unsigned	nbprocs,
		const unsigned	bsz
	)		`[inline, static]`

Definition at line 82 of file BasicBC.cc.

References NumberOfBlocProc().

Referenced by BasicBC::computePiecesToSend(), computeReceiveDataBlock1DServer(), computeSendDataBlock1DClient(), and BasicBC::setDescr().

                                                              {

  unsigned nbblocfull = NumberOfBlocProc(glen, nbprocs, bsz, rank) - 1;
  // Is the last full ?
  unsigned long low = ( nbblocfull * nbprocs + rank ) * bsz;
  unsigned long end = low + bsz;
  unsigned long high = (glen < end ? glen : end);
  
  return nbblocfull * bsz + ( high - low );
}

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Defines

Functions

Define Documentation

Function Documentation