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/**CFile****************************************************************
FileName [nwkMan.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Logic network representation.]
Synopsis [Network manager.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 20, 2005.]
Revision [$Id: nwkMan.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
***********************************************************************/
#include "nwk.h"
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Allocates the manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Nwk_Man_t * Nwk_ManAlloc()
{
Nwk_Man_t * p;
p = ALLOC( Nwk_Man_t, 1 );
memset( p, 0, sizeof(Nwk_Man_t) );
p->vCis = Vec_PtrAlloc( 1000 );
p->vCos = Vec_PtrAlloc( 1000 );
p->vObjs = Vec_PtrAlloc( 1000 );
p->vTemp = Vec_PtrAlloc( 1000 );
p->nFanioPlus = 2;
p->pMemObjs = Aig_MmFlexStart();
p->pManHop = Hop_ManStart();
return p;
}
/**Function*************************************************************
Synopsis [Deallocates the manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Nwk_ManFree( Nwk_Man_t * p )
{
// printf( "The number of realloced nodes = %d.\n", p->nRealloced );
if ( p->pName ) free( p->pName );
if ( p->pSpec ) free( p->pSpec );
if ( p->vCis ) Vec_PtrFree( p->vCis );
if ( p->vCos ) Vec_PtrFree( p->vCos );
if ( p->vObjs ) Vec_PtrFree( p->vObjs );
if ( p->vTemp ) Vec_PtrFree( p->vTemp );
if ( p->pManTime ) Tim_ManStop( p->pManTime );
if ( p->pMemObjs ) Aig_MmFlexStop( p->pMemObjs, 0 );
if ( p->pManHop ) Hop_ManStop( p->pManHop );
free( p );
}
/**Function*************************************************************
Synopsis [Prints stats of the manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Nwk_ManPrintLutSizes( Nwk_Man_t * p, If_Lib_t * pLutLib )
{
Nwk_Obj_t * pObj;
int i, Counters[256] = {0};
Nwk_ManForEachNode( p, pObj, i )
Counters[Nwk_ObjFaninNum(pObj)]++;
printf( "LUTs by size: " );
for ( i = 0; i <= pLutLib->LutMax; i++ )
printf( "%d:%d ", i, Counters[i] );
}
/**Function*************************************************************
Synopsis [If the network is best, saves it in "best.blif" and returns 1.]
Description [If the networks are incomparable, saves the new network,
returns its parameters in the internal parameter structure, and returns 1.
If the new network is not a logic network, quits without saving and returns 0.]
SideEffects []
SeeAlso []
***********************************************************************/
int Nwk_ManCompareAndSaveBest( Nwk_Man_t * pNtk, void * pNtl )
{
extern void Ioa_WriteBlifLogic( Nwk_Man_t * pNtk, void * pNtl, char * pFileName );
static struct ParStruct {
char * pName; // name of the best saved network
int Depth; // depth of the best saved network
int Flops; // flops in the best saved network
int Nodes; // nodes in the best saved network
int nPis; // the number of primary inputs
int nPos; // the number of primary outputs
} ParsNew, ParsBest = { 0 };
// free storage for the name
if ( pNtk == NULL )
{
FREE( ParsBest.pName );
return 0;
}
// get the parameters
ParsNew.Depth = Nwk_ManLevel( pNtk );
ParsNew.Flops = Nwk_ManLatchNum( pNtk );
ParsNew.Nodes = Nwk_ManNodeNum( pNtk );
ParsNew.nPis = Nwk_ManPiNum( pNtk );
ParsNew.nPos = Nwk_ManPoNum( pNtk );
// reset the parameters if the network has the same name
if ( ParsBest.pName == NULL ||
strcmp(ParsBest.pName, pNtk->pName) ||
ParsBest.Depth > ParsNew.Depth ||
ParsBest.Depth == ParsNew.Depth && ParsBest.Flops > ParsNew.Flops ||
ParsBest.Depth == ParsNew.Depth && ParsBest.Flops == ParsNew.Flops && ParsBest.Nodes > ParsNew.Nodes )
{
FREE( ParsBest.pName );
ParsBest.pName = Aig_UtilStrsav( pNtk->pName );
ParsBest.Depth = ParsNew.Depth;
ParsBest.Flops = ParsNew.Flops;
ParsBest.Nodes = ParsNew.Nodes;
ParsBest.nPis = ParsNew.nPis;
ParsBest.nPos = ParsNew.nPos;
// writ the network
Ioa_WriteBlifLogic( pNtk, pNtl, "best.blif" );
return 1;
}
return 0;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
char * Nwk_FileNameGeneric( char * FileName )
{
char * pDot;
char * pUnd;
char * pRes;
// find the generic name of the file
pRes = Aig_UtilStrsav( FileName );
// find the pointer to the "." symbol in the file name
// pUnd = strstr( FileName, "_" );
pUnd = NULL;
pDot = strstr( FileName, "." );
if ( pUnd )
pRes[pUnd - FileName] = 0;
else if ( pDot )
pRes[pDot - FileName] = 0;
return pRes;
}
/**Function*************************************************************
Synopsis [Prints stats of the manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Nwk_ManPrintStats( Nwk_Man_t * pNtk, If_Lib_t * pLutLib, int fSaveBest, int fDumpResult, void * pNtl )
{
extern int Ntl_ManLatchNum( void * p );
extern void Ioa_WriteBlifLogic( Nwk_Man_t * pNtk, void * pNtl, char * pFileName );
if ( fSaveBest )
Nwk_ManCompareAndSaveBest( pNtk, pNtl );
if ( fDumpResult )
{
char Buffer[1000] = {0};
char * pNameGen = pNtk->pSpec? Nwk_FileNameGeneric( pNtk->pSpec ) : "nameless_";
sprintf( Buffer, "%s_dump.blif", pNameGen );
Ioa_WriteBlifLogic( pNtk, pNtl, Buffer );
if ( pNtk->pSpec ) free( pNameGen );
}
pNtk->pLutLib = pLutLib;
printf( "%-15s : ", pNtk->pName );
printf( "pi = %5d ", Nwk_ManPiNum(pNtk) );
printf( "po = %5d ", Nwk_ManPoNum(pNtk) );
printf( "ci = %5d ", Nwk_ManCiNum(pNtk) );
printf( "co = %5d ", Nwk_ManCoNum(pNtk) );
printf( "lat = %5d ", Ntl_ManLatchNum(pNtl) );
printf( "node = %5d ", Nwk_ManNodeNum(pNtk) );
printf( "edge = %5d ", Nwk_ManGetTotalFanins(pNtk) );
printf( "aig = %6d ", Nwk_ManGetAigNodeNum(pNtk) );
printf( "lev = %3d ", Nwk_ManLevel(pNtk) );
// printf( "lev2 = %3d ", Nwk_ManLevelBackup(pNtk) );
printf( "delay = %5.2f ", Nwk_ManDelayTraceLut(pNtk) );
Nwk_ManPrintLutSizes( pNtk, pLutLib );
printf( "\n" );
// Nwk_ManDelayTracePrint( pNtk, pLutLib );
fflush( stdout );
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
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