/**CFile****************************************************************

  FileName    [giaScript.c]

  SystemName  [ABC: Logic synthesis and verification system.]

  PackageName [Scalable AIG package.]

  Synopsis    [Various hardcoded scripts.]

  Author      [Alan Mishchenko]
  
  Affiliation [UC Berkeley]

  Date        [Ver. 1.0. Started - June 20, 2005.]

  Revision    [$Id: giaScript.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]

***********************************************************************/

#include "giaAig.h"
#include "base/main/main.h"
#include "base/cmd/cmd.h"
#include "proof/dch/dch.h"
#include "opt/dau/dau.h"

ABC_NAMESPACE_IMPL_START


////////////////////////////////////////////////////////////////////////
///                        DECLARATIONS                              ///
////////////////////////////////////////////////////////////////////////

////////////////////////////////////////////////////////////////////////
///                     FUNCTION DEFINITIONS                         ///
////////////////////////////////////////////////////////////////////////

/**Function*************************************************************

  Synopsis    [Synthesis script.]

  Description []
               
  SideEffects []

  SeeAlso     []

***********************************************************************/
void Gia_ManAigPrintPiLevels( Gia_Man_t * p )
{
    Gia_Obj_t * pObj;
    int i;
    Gia_ManForEachPi( p, pObj, i )
        printf( "%d ", Gia_ObjLevel(p, pObj) );
    printf( "\n" );
}

/**Function*************************************************************

  Synopsis    [Synthesis script.]

  Description []
               
  SideEffects []

  SeeAlso     []

***********************************************************************/
Gia_Man_t * Gia_ManAigSyn2( Gia_Man_t * pInit, int fOldAlgo, int fCoarsen, int fCutMin, int nRelaxRatio, int fDelayMin, int fVerbose, int fVeryVerbose )
{
    Gia_Man_t * p, * pNew, * pTemp;
    Jf_Par_t Pars, * pPars = &Pars;
    if ( fOldAlgo )
    {
        Jf_ManSetDefaultPars( pPars );
        pPars->fCutMin     = fCutMin;
    }
    else
    {
        Lf_ManSetDefaultPars( pPars );
        pPars->fCutMin     = fCutMin;
        pPars->fCoarsen    = fCoarsen;
        pPars->nRelaxRatio = nRelaxRatio;
        pPars->nAreaTuner  = 1;
        pPars->nCutNum     = 4;
    }
    if ( fVerbose )  Gia_ManPrintStats( pInit, NULL );
    p = Gia_ManDup( pInit );
    Gia_ManTransferTiming( p, pInit );
    if ( Gia_ManAndNum(p) == 0 )
        return p;
    // delay optimization
    if ( fDelayMin && p->pManTime == NULL )
    {
        int Area0, Area1, Delay0, Delay1;
        int fCutMin = pPars->fCutMin;
        int fCoarsen = pPars->fCoarsen;
        int nRelaxRatio = pPars->nRelaxRatio;
        pPars->fCutMin = 0;
        pPars->fCoarsen = 0;
        pPars->nRelaxRatio = 0;
        // perform mapping
        if ( fOldAlgo )
            Jf_ManPerformMapping( p, pPars );
        else
            Lf_ManPerformMapping( p, pPars );
        Area0  = (int)pPars->Area;
        Delay0 = (int)pPars->Delay;
        // perform balancing
        pNew = Gia_ManPerformDsdBalance( p, 6, 4, 0, 0 );
        // perform mapping again
        if ( fOldAlgo )
            Jf_ManPerformMapping( pNew, pPars );
        else
            Lf_ManPerformMapping( pNew, pPars );
        Area1  = (int)pPars->Area;
        Delay1 = (int)pPars->Delay;
        // choose the best result
        if ( Delay1 < Delay0 - 1 || (Delay1 == Delay0 + 1 && 100.0 * (Area1 - Area0) / Area1 < 3.0) )
        {
            Gia_ManStop( p );
            p = pNew;
        }
        else
        {
            Gia_ManStop( pNew );
            Vec_IntFreeP( &p->vMapping );
        }
        // reset params
        pPars->fCutMin = fCutMin;
        pPars->fCoarsen = fCoarsen;
        pPars->nRelaxRatio = nRelaxRatio;
    }
    // perform balancing
    pNew = Gia_ManAreaBalance( p, 0, ABC_INFINITY, fVeryVerbose, 0 );
    if ( fVerbose )     Gia_ManPrintStats( pNew, NULL );
    Gia_ManStop( p );
    // perform mapping
    if ( fOldAlgo )
        pNew = Jf_ManPerformMapping( pTemp = pNew, pPars );
    else
        pNew = Lf_ManPerformMapping( pTemp = pNew, pPars );
    if ( fVerbose )     Gia_ManPrintStats( pNew, NULL );
    if ( pTemp != pNew )
        Gia_ManStop( pTemp );
    // perform balancing
    pNew = Gia_ManAreaBalance( pTemp = pNew, 0, ABC_INFINITY, fVeryVerbose, 0 );
    if ( fVerbose )     Gia_ManPrintStats( pNew, NULL );
    Gia_ManStop( pTemp );
    return pNew;
}
Gia_Man_t * Gia_ManAigSyn3( Gia_Man_t * p, int fVerbose, int fVeryVerbose )
{
    Gia_Man_t * pNew, * pTemp;
    Jf_Par_t Pars, * pPars = &Pars;
    Jf_ManSetDefaultPars( pPars );
    pPars->nRelaxRatio = 40;
    if ( fVerbose )     Gia_ManPrintStats( p, NULL );
    if ( Gia_ManAndNum(p) == 0 )
        return Gia_ManDup(p);
    // perform balancing
    pNew = Gia_ManAreaBalance( p, 0, ABC_INFINITY, fVeryVerbose, 0 );
    if ( fVerbose )     Gia_ManPrintStats( pNew, NULL );
    // perform mapping
    pPars->nLutSize = 6;
    pNew = Jf_ManPerformMapping( pTemp = pNew, pPars );
    if ( fVerbose )     Gia_ManPrintStats( pNew, NULL );
//    Gia_ManStop( pTemp );
    // perform balancing
    pNew = Gia_ManAreaBalance( pTemp = pNew, 0, ABC_INFINITY, fVeryVerbose, 0 );
    if ( fVerbose )     Gia_ManPrintStats( pNew, NULL );
    Gia_ManStop( pTemp );
    // perform mapping
    pPars->nLutSize = 4;
    pNew = Jf_ManPerformMapping( pTemp = pNew, pPars );
    if ( fVerbose )     Gia_ManPrintStats( pNew, NULL );
//    Gia_ManStop( pTemp );
    // perform balancing
    pNew = Gia_ManAreaBalance( pTemp = pNew, 0, ABC_INFINITY, fVeryVerbose, 0 );
    if ( fVerbose )     Gia_ManPrintStats( pNew, NULL );
    Gia_ManStop( pTemp );
    return pNew;
}
Gia_Man_t * Gia_ManAigSyn4( Gia_Man_t * p, int fVerbose, int fVeryVerbose )
{
    Gia_Man_t * pNew, * pTemp;
    Jf_Par_t Pars, * pPars = &Pars;
    Jf_ManSetDefaultPars( pPars );
    pPars->nRelaxRatio = 40;
    if ( fVerbose )     Gia_ManPrintStats( p, NULL );
    if ( Gia_ManAndNum(p) == 0 )
        return Gia_ManDup(p);
//Gia_ManAigPrintPiLevels( p );
    // perform balancing
    pNew = Gia_ManAreaBalance( p, 0, ABC_INFINITY, fVeryVerbose, 0 );
    if ( fVerbose )     Gia_ManPrintStats( pNew, NULL );
    // perform mapping
    pPars->nLutSize = 7;
    pNew = Jf_ManPerformMapping( pTemp = pNew, pPars );
    if ( fVerbose )     Gia_ManPrintStats( pNew, NULL );
//    Gia_ManStop( pTemp );
    // perform extraction
    pNew = Gia_ManPerformFx( pTemp = pNew, ABC_INFINITY, 0, 0, fVeryVerbose, 0 );
    if ( fVerbose )     Gia_ManPrintStats( pNew, NULL );
    Gia_ManStop( pTemp );
    // perform balancing
    pNew = Gia_ManAreaBalance( pTemp = pNew, 0, ABC_INFINITY, fVeryVerbose, 0 );
    if ( fVerbose )     Gia_ManPrintStats( pNew, NULL );
    Gia_ManStop( pTemp );
    // perform mapping
    pPars->nLutSize = 5;
    pNew = Jf_ManPerformMapping( pTemp = pNew, pPars );
    if ( fVerbose )     Gia_ManPrintStats( pNew, NULL );
//    Gia_ManStop( pTemp );
    // perform extraction
    pNew = Gia_ManPerformFx( pTemp = pNew, ABC_INFINITY, 0, 0, fVeryVerbose, 0 );
    if ( fVerbose )     Gia_ManPrintStats( pNew, NULL );
    Gia_ManStop( pTemp );
    // perform balancing
    pNew = Gia_ManAreaBalance( pTemp = pNew, 0, ABC_INFINITY, fVeryVerbose, 0 );
    if ( fVerbose )     Gia_ManPrintStats( pNew, NULL );
    Gia_ManStop( pTemp );
//Gia_ManAigPrintPiLevels( pNew );
    return pNew;
}

/**Function*************************************************************

  Synopsis    [Duplicates the AIG manager.]

  Description [This duplicator works for AIGs with choices.]
               
  SideEffects []

  SeeAlso     []

***********************************************************************/
Vec_Ptr_t * Gia_ManOrderPios( Aig_Man_t * p, Gia_Man_t * pOrder )
{
    Vec_Ptr_t * vPios;
    Gia_Obj_t * pObj;
    int i;
    assert( Aig_ManCiNum(p) == Gia_ManCiNum(pOrder) );
    assert( Aig_ManCoNum(p) == Gia_ManCoNum(pOrder) );
    vPios = Vec_PtrAlloc( Aig_ManCiNum(p) + Aig_ManCoNum(p) );
    Gia_ManForEachObj( pOrder, pObj, i )
    {
        if ( Gia_ObjIsCi(pObj) )
            Vec_PtrPush( vPios, Aig_ManCi(p, Gia_ObjCioId(pObj)) );
        else if ( Gia_ObjIsCo(pObj) )
            Vec_PtrPush( vPios, Aig_ManCo(p, Gia_ObjCioId(pObj)) );
    }
    return vPios;
}

/**Function*************************************************************

  Synopsis    []

  Description []
               
  SideEffects []

  SeeAlso     []

***********************************************************************/
Gia_Man_t * Gia_ManDupFromBarBufs( Gia_Man_t * p )
{
    Vec_Int_t * vBufObjs;
    Gia_Man_t * pNew;
    Gia_Obj_t * pObj;
    int i, k = 0;
    assert( Gia_ManBufNum(p) > 0 );
    assert( Gia_ManRegNum(p) == 0 );
    assert( !Gia_ManHasChoices(p) );
    pNew = Gia_ManStart( Gia_ManObjNum(p) );
    pNew->pName = Abc_UtilStrsav( p->pName );
    pNew->pSpec = Abc_UtilStrsav( p->pSpec );
    Gia_ManFillValue(p);
    Gia_ManConst0(p)->Value = 0;
    Gia_ManForEachCi( p, pObj, i )
        pObj->Value = Gia_ManAppendCi( pNew );
    vBufObjs = Vec_IntAlloc( Gia_ManBufNum(p) );
    for ( i = 0; i < Gia_ManBufNum(p); i++ )
        Vec_IntPush( vBufObjs, Gia_ManAppendCi(pNew) );
    Gia_ManForEachAnd( p, pObj, i )
    {
        if ( Gia_ObjIsBuf(pObj) )
        {
            pObj->Value = Vec_IntEntry( vBufObjs, k );
            Vec_IntWriteEntry( vBufObjs, k++, Gia_ObjFanin0Copy(pObj) );
        }
        else 
            pObj->Value = Gia_ManAppendAnd( pNew, Gia_ObjFanin0Copy(pObj), Gia_ObjFanin1Copy(pObj) );
    }
    assert( k == Gia_ManBufNum(p) );
    for ( i = 0; i < Gia_ManBufNum(p); i++ )
        Gia_ManAppendCo( pNew, Vec_IntEntry(vBufObjs, i) );
    Vec_IntFree( vBufObjs );
    Gia_ManForEachCo( p, pObj, i )
        Gia_ManAppendCo( pNew, Gia_ObjFanin0Copy(pObj) );
    Gia_ManSetRegNum( pNew, Gia_ManRegNum(p) );
    return pNew;
}
Gia_Man_t * Gia_ManDupToBarBufs( Gia_Man_t * p, int nBarBufs )
{
    Gia_Man_t * pNew;
    Gia_Obj_t * pObj;
    int nPiReal = Gia_ManCiNum(p) - nBarBufs;
    int nPoReal = Gia_ManCoNum(p) - nBarBufs;
    int i, k = 0;
    assert( Gia_ManBufNum(p) == 0 );
    assert( Gia_ManRegNum(p) == 0 );
    assert( Gia_ManHasChoices(p) );
    pNew = Gia_ManStart( Gia_ManObjNum(p) );
    pNew->pName = Abc_UtilStrsav( p->pName );
    pNew->pSpec = Abc_UtilStrsav( p->pSpec );
    if ( Gia_ManHasChoices(p) )
        pNew->pSibls = ABC_CALLOC( int, Gia_ManObjNum(p) );
    Gia_ManFillValue(p);
    Gia_ManConst0(p)->Value = 0;
    for ( i = 0; i < nPiReal; i++ )
        Gia_ManCi(p, i)->Value = Gia_ManAppendCi( pNew );
    Gia_ManForEachAnd( p, pObj, i )
    {
        for ( ; k < nBarBufs; k++ )
            if ( ~Gia_ObjFanin0(Gia_ManCo(p, k))->Value )
                Gia_ManCi(p, nPiReal + k)->Value = Gia_ManAppendBuf( pNew, Gia_ObjFanin0Copy(Gia_ManCo(p, k)) );
            else
                break;
        pObj->Value = Gia_ManAppendAnd( pNew, Gia_ObjFanin0Copy(pObj), Gia_ObjFanin1Copy(pObj) );
        if ( Gia_ObjSibl(p, Gia_ObjId(p, pObj)) )
            pNew->pSibls[Abc_Lit2Var(pObj->Value)] = Abc_Lit2Var(Gia_ObjSiblObj(p, Gia_ObjId(p, pObj))->Value);  
    }
    for ( ; k < nBarBufs; k++ )
        if ( ~Gia_ObjFanin0Copy(Gia_ManCo(p, k)) )
            Gia_ManCi(p, nPiReal + k)->Value = Gia_ManAppendBuf( pNew, Gia_ObjFanin0Copy(Gia_ManCo(p, k)) );
    assert( k == nBarBufs );
    for ( i = 0; i < nPoReal; i++ )
        Gia_ManAppendCo( pNew, Gia_ObjFanin0Copy(Gia_ManCo(p, nBarBufs+i)) );
    Gia_ManSetRegNum( pNew, Gia_ManRegNum(p) );
    assert( Gia_ManBufNum(pNew) == nBarBufs );
    assert( Gia_ManCiNum(pNew) == nPiReal );
    assert( Gia_ManCoNum(pNew) == nPoReal );
    return pNew;
}

/**Function*************************************************************

  Synopsis    []

  Description []
               
  SideEffects []

  SeeAlso     []

***********************************************************************/
Gia_Man_t * Gia_ManAigSynch2Choices( Gia_Man_t * pGia1, Gia_Man_t * pGia2, Gia_Man_t * pGia3, Dch_Pars_t * pPars )
{
    Aig_Man_t * pMan, * pTemp;
    Gia_Man_t * pGia, * pMiter;
    // derive miter
    Vec_Ptr_t * vPios, * vGias = Vec_PtrAlloc( 3 );
    if ( pGia3 ) Vec_PtrPush( vGias, pGia3 );
    if ( pGia2 ) Vec_PtrPush( vGias, pGia2 );
    if ( pGia1 ) Vec_PtrPush( vGias, pGia1 );
    pMiter = Gia_ManChoiceMiter( vGias );
    Vec_PtrFree( vGias );
    // transform into an AIG
    pMan = Gia_ManToAigSkip( pMiter, 3 );
    Gia_ManStop( pMiter );
    // compute choices
    pMan = Dch_ComputeChoices( pTemp = pMan, pPars );
    Aig_ManStop( pTemp );
    // reconstruct the network
    vPios = Gia_ManOrderPios( pMan, pGia1 ); 
    pMan = Aig_ManDupDfsGuided( pTemp = pMan, vPios );
    Aig_ManStop( pTemp );
    Vec_PtrFree( vPios );
    // convert to GIA
    pGia = Gia_ManFromAigChoices( pMan );
    Aig_ManStop( pMan );
    return pGia;
}
Gia_Man_t * Gia_ManAigSynch2( Gia_Man_t * pInit, void * pPars0, int nLutSize, int nRelaxRatio )
{
    extern Gia_Man_t * Gia_ManLutBalance( Gia_Man_t * p, int nLutSize, int fUseMuxes, int fRecursive, int fOptArea, int fVerbose );
    Dch_Pars_t * pParsDch = (Dch_Pars_t *)pPars0;
    Gia_Man_t * pGia1, * pGia2, * pGia3, * pNew, * pTemp;
    int fVerbose = pParsDch->fVerbose;
    Jf_Par_t Pars, * pPars = &Pars;
    Lf_ManSetDefaultPars( pPars );
    pPars->fCutMin     = 1;
    pPars->fCoarsen    = 1;
    pPars->nRelaxRatio = nRelaxRatio;
    pPars->nAreaTuner  = 5;
    pPars->nCutNum     = 12;
    pPars->fVerbose    = fVerbose;
    if ( fVerbose )  Gia_ManPrintStats( pInit, NULL );
    pGia1 = Gia_ManDup( pInit );
    if ( Gia_ManAndNum(pGia1) == 0 )
    {
        Gia_ManTransferTiming( pGia1, pInit );
        return pGia1;
    }
    if ( pGia1->pManTime && pGia1->vLevels == NULL )
        Gia_ManLevelWithBoxes( pGia1 );
    // unmap if mapped
    if ( Gia_ManHasMapping(pInit) )
    {
        Gia_ManTransferMapping( pGia1, pInit );
        pGia1 = (Gia_Man_t *)Dsm_ManDeriveGia( pTemp = pGia1, 0 );
        Gia_ManStop( pTemp );
    }
    // perform balancing
    if ( Gia_ManBufNum(pGia1) || 1 )
        pGia2 = Gia_ManAreaBalance( pGia1, 0, ABC_INFINITY, 0, 0 );
    else
    {
        pGia2 = Gia_ManLutBalance( pGia1, nLutSize, 1, 1, 1, 0 );
        pGia2 = Gia_ManAreaBalance( pTemp = pGia2, 0, ABC_INFINITY, 0, 0 );
        Gia_ManStop( pTemp );
    }
    if ( fVerbose )     Gia_ManPrintStats( pGia2, NULL );
    // perform mapping
    pGia2 = Lf_ManPerformMapping( pTemp = pGia2, pPars );
    if ( fVerbose )     Gia_ManPrintStats( pGia2, NULL );
    if ( pTemp != pGia2 )
        Gia_ManStop( pTemp );
    // perform balancing
    if ( pParsDch->fLightSynth || Gia_ManBufNum(pGia2) )
        pGia3 = Gia_ManAreaBalance( pGia2, 0, ABC_INFINITY, 0, 0 );
    else
    {
        assert( Gia_ManBufNum(pGia2) == 0 );
        pGia2 = Gia_ManAreaBalance( pTemp = pGia2, 0, ABC_INFINITY, 0, 0 );
        if ( fVerbose )     Gia_ManPrintStats( pGia2, NULL );
        Gia_ManStop( pTemp );
        // perform DSD balancing
        pGia3 = Gia_ManPerformDsdBalance( pGia2, 6, 8, 0, 0 );
    }
    if ( fVerbose )     Gia_ManPrintStats( pGia3, NULL );
    // perform choice computation
    if ( Gia_ManBufNum(pInit) )
    {
        assert( Gia_ManBufNum(pInit) == Gia_ManBufNum(pGia1) );
        pGia1 = Gia_ManDupFromBarBufs( pTemp = pGia1 );
        Gia_ManStop( pTemp );
        assert( Gia_ManBufNum(pInit) == Gia_ManBufNum(pGia2) );
        pGia2 = Gia_ManDupFromBarBufs( pTemp = pGia2 );
        Gia_ManStop( pTemp );
        assert( Gia_ManBufNum(pInit) == Gia_ManBufNum(pGia3) );
        pGia3 = Gia_ManDupFromBarBufs( pTemp = pGia3 );
        Gia_ManStop( pTemp );
    }
    pNew = Gia_ManAigSynch2Choices( pGia1, pGia2, pGia3, pParsDch );
    Gia_ManStop( pGia1 );
    Gia_ManStop( pGia2 );
    Gia_ManStop( pGia3 );
    if ( Gia_ManBufNum(pInit) )
    {
        pNew = Gia_ManDupToBarBufs( pTemp = pNew, Gia_ManBufNum(pInit) );
        Gia_ManStop( pTemp );
    }
    // copy names
    ABC_FREE( pNew->pName );
    ABC_FREE( pNew->pSpec );
    pNew->pName = Abc_UtilStrsav(pInit->pName);
    pNew->pSpec = Abc_UtilStrsav(pInit->pSpec);
    Gia_ManTransferTiming( pNew, pInit );
    return pNew;
}

/**Function*************************************************************

  Synopsis    []

  Description []
               
  SideEffects []

  SeeAlso     []

***********************************************************************/
void Gia_ManPerformMap( int nAnds, int nLutSize, int nCutNum, int fMinAve, int fUseMfs, int fVerbose )
{
    char Command[200];
    sprintf( Command, "&unmap; &lf -K %d -C %d -k %s; &save", nLutSize, nCutNum, fMinAve?"-t":"" );
//    sprintf( Command, "&unmap; &if -K %d -C %d %s; &save", nLutSize, nCutNum, fMinAve?"-t":"" );
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), Command );
    if ( fVerbose )
    {
        printf( "MAPPING:\n" );
        printf( "Mapping with &lf -k:\n" );
        Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&ps" );
    }
    sprintf( Command, "&unmap; &lf -K %d -C %d %s; &save", nLutSize, nCutNum, fMinAve?"-t":"" );
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), Command );
    if ( fVerbose )
    {
        printf( "Mapping with &lf:\n" );
        Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&ps" );
    }
    if ( (nLutSize == 4 && nAnds < 100000) || (nLutSize == 6 && nAnds < 2000) )
    {
        sprintf( Command, "&unmap; &if -sz -S %d%d -K %d -C %d %s", nLutSize, nLutSize, 2*nLutSize-1, 2*nCutNum, fMinAve?"-t":"" );
        Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), Command );
        Vec_IntFreeP( &Abc_FrameReadGia(Abc_FrameGetGlobalFrame())->vPacking );
        Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&save" );
        if ( fVerbose )
        {
            printf( "Mapping with &if -sz -S %d%d -K %d -C %d %s:\n", nLutSize, nLutSize, 2*nLutSize-1, 2*nCutNum, fMinAve?"-t":"" );
            Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&ps" );
        }
    }
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&load" );
    if ( fUseMfs )
        Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&put; mfs2 -W 4 -M 500 -C 7000; &get -m" );
    if ( fVerbose )
    {
        printf( "Mapping final:\n" );
        Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&ps" );
    }
}
void Gia_ManPerformRound( int fIsMapped, int nAnds, int nLevels, int nLutSize, int nCutNum, int fMinAve, int fUseMfs, int fVerbose )
{
    char Command[200];

    // perform AIG-based synthesis
    if ( nAnds < 50000 )
    {
        Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "" );
        sprintf( Command, "&dsdb; &dch -C 500; &if -K %d -C %d %s; &save", nLutSize, nCutNum, fMinAve?"-t":"" );
        Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), Command );
        if ( fVerbose )
        {
            printf( "Mapping with &dch -C 500; &if -K %d -C %d %s:\n", nLutSize, nCutNum, fMinAve?"-t":"" );
            Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&ps" );
        }
        Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&st" );
    }

    // perform AIG-based synthesis
    if ( nAnds < 20000 )
    {
        Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "" );
        sprintf( Command, "&dsdb; &dch -C 500; &if -K %d -C %d %s; &save", nLutSize, nCutNum, fMinAve?"-t":"" );
        Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), Command );
        if ( fVerbose )
        {
            printf( "Mapping with &dch -C 500; &if -K %d -C %d %s:\n", nLutSize, nCutNum, fMinAve?"-t":"" );
            Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&ps" );
        }
        Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&st" );
    }

    // perform first round of mapping
    Gia_ManPerformMap( nAnds, nLutSize, nCutNum, fMinAve, fUseMfs, fVerbose );
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&st" );

    // perform synthesis
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&dsdb" );

    // perform second round of mapping
    Gia_ManPerformMap( nAnds, nLutSize, nCutNum, fMinAve, fUseMfs, fVerbose );
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&st" );

    // perform synthesis
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&syn2 -m -R 10; &dsdb" );

    // prepare for final mapping
    sprintf( Command, "&blut -a -K %d", nLutSize );
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), Command );

    // perform third round of mapping
    Gia_ManPerformMap( nAnds, nLutSize, nCutNum, fMinAve, fUseMfs, fVerbose );
}
void Gia_ManPerformFlow( int fIsMapped, int nAnds, int nLevels, int nLutSize, int nCutNum, int fMinAve, int fUseMfs, int fVerbose )
{
    // remove comb equivs
    if ( fIsMapped )
        Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&st" );
//    if ( Abc_FrameReadGia(Abc_FrameGetGlobalFrame())->pManTime )
//        Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&sweep" );
//    else
//        Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&fraig -c" );

    // perform first round
    Gia_ManPerformRound( fIsMapped, nAnds, nLevels, nLutSize, nCutNum, fMinAve, fUseMfs, fVerbose );

    // perform synthesis
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&st; &sopb" );

    // perform first round
    Gia_ManPerformRound( fIsMapped, nAnds, nLevels, nLutSize, nCutNum, fMinAve, fUseMfs, fVerbose );
}

/**Function*************************************************************

  Synopsis    []

  Description []
               
  SideEffects []

  SeeAlso     []

***********************************************************************/
void Gia_ManPerformFlow2( int fIsMapped, int nAnds, int nLevels, int nLutSize, int nCutNum, int fBalance, int fMinAve, int fUseMfs, int fVerbose )
{
    char Comm1[100], Comm2[100], Comm3[100], Comm4[100];
    sprintf( Comm1, "&synch2 -K %d -C 500; &if -m%s       -K %d -C %d; %s &save", nLutSize, fMinAve?"t":"", nLutSize, nCutNum,   fUseMfs ? "&put; mfs2 -W 4 -M 500 -C 7000; &get -m;":"" );
    sprintf( Comm2, "&dch -C 500;          &if -m%s       -K %d -C %d; %s &save",           fMinAve?"t":"", nLutSize, nCutNum+4, fUseMfs ? "&put; mfs2 -W 4 -M 500 -C 7000; &get -m;":"" );
    sprintf( Comm3, "&synch2 -K %d -C 500; &lf -m%s  -E 5 -K %d -C %d; %s &save", nLutSize, fMinAve?"t":"", nLutSize, nCutNum,   fUseMfs ? "&put; mfs2 -W 4 -M 500 -C 7000; &get -m;":"" );
    sprintf( Comm4, "&dch -C 500;          &lf -m%sk -E 5 -K %d -C %d; %s &save",           fMinAve?"t":"", nLutSize, nCutNum+4, fUseMfs ? "&put; mfs2 -W 4 -M 500 -C 7000; &get -m;":"" );

    // perform synthesis
    if ( fVerbose )
        printf( "Trying synthesis...\n" );
    if ( fIsMapped )
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&st" );
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), Comm1 );
    if ( fVerbose )
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&ps" );

    // perform synthesis
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&st" );
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), Comm2 );
    if ( fVerbose )
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&ps" );

    // return the result
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&load" );
    if ( fVerbose )
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&ps" );


    // perform balancing
    if ( fBalance )
    {
        if ( fVerbose )
            printf( "Trying SOP balancing...\n" );
        Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&st; &sopb -R 10 -C 4" );
    }


    // perform synthesis
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), Comm3 );
    if ( fVerbose )
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&ps" );

    // perform synthesis
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&st" );
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), Comm2 );
    if ( fVerbose )
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&ps" );

    // return the result
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&load" );
    if ( fVerbose )
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&ps" );
    if ( nAnds > 100000 )
        return;


    // perform balancing
    if ( fBalance )
    {
        if ( fVerbose )
            printf( "Trying SOP balancing...\n" );
        Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&st; &sopb -R 10" );
    }


    // perform synthesis
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), Comm3 );
    if ( fVerbose )
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&ps" );

    // perform synthesis
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&st" );
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), Comm2 );
    if ( fVerbose )
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&ps" );

    // return the result
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&load" );
    if ( fVerbose )
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&ps" );
    if ( nAnds > 50000 )
        return;


    // perform balancing
    if ( fBalance )
    {
        if ( fVerbose )
            printf( "Trying SOP balancing...\n" );
        Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&st; &sopb -R 10" );
    }


    // perform synthesis
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), Comm3 );
    if ( fVerbose )
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&ps" );

    // perform synthesis
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&st" );
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), Comm2 );
    if ( fVerbose )
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&ps" );

    // return the result
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&load" );
    if ( fVerbose )
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&ps" );
}


/**Function*************************************************************

  Synopsis    []

  Description []
               
  SideEffects []

  SeeAlso     []

***********************************************************************/
void Gia_ManPerformFlow3( int nLutSize, int nCutNum, int fBalance, int fMinAve, int fUseMfs, int fUseLutLib, int fVerbose )
{
    char Comm1[200], Comm2[200], Comm3[200];
    if ( fUseLutLib )
        sprintf( Comm1, "&st; &if -C %d;       &save; &st; &syn2; &if -C %d;       &save; &load", nCutNum, nCutNum );
    else
        sprintf( Comm1, "&st; &if -C %d -K %d; &save; &st; &syn2; &if -C %d -K %d; &save; &load", nCutNum, nLutSize, nCutNum, nLutSize );
    if ( fUseLutLib )
        sprintf( Comm2, "&st; &if -%s -K 6; &dch -f; &if -C %d;       %s&save; &load", Abc_NtkRecIsRunning3() ? "y" : "g", nCutNum,           fUseMfs ? "&mfs; ":"" );
    else
        sprintf( Comm2, "&st; &if -%s -K 6; &dch -f; &if -C %d -K %d; %s&save; &load", Abc_NtkRecIsRunning3() ? "y" : "g", nCutNum, nLutSize, fUseMfs ? "&mfs; ":"" );
    if ( fUseLutLib )
        sprintf( Comm3, "&st; &if -%s -K 6; &synch2; &if -C %d;       %s&save; &load", Abc_NtkRecIsRunning3() ? "y" : "g", nCutNum,           fUseMfs ? "&mfs; ":"" );
    else
        sprintf( Comm3, "&st; &if -%s -K 6; &synch2; &if -C %d -K %d; %s&save; &load", Abc_NtkRecIsRunning3() ? "y" : "g", nCutNum, nLutSize, fUseMfs ? "&mfs; ":"" );

    if ( fVerbose ) printf( "Trying simple synthesis with %s...\n", Abc_NtkRecIsRunning3() ? "LMS" : "SOP balancing" );
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), Comm1 );
    if ( fVerbose )
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&ps" );

    if ( Gia_ManAndNum( Abc_FrameReadGia(Abc_FrameGetGlobalFrame()) ) < 200000 )
    {
        if ( fVerbose ) printf( "Trying medium synthesis...\n" );
        Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), Comm2 );
        if ( fVerbose )
        Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&ps" );
    }

    if ( Gia_ManAndNum( Abc_FrameReadGia(Abc_FrameGetGlobalFrame()) ) < 10000 )
    {
        if ( fVerbose ) printf( "Trying harder synthesis...\n" );
        Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), Comm3 );
        if ( fVerbose )
        Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&ps" );
    }

    if ( fVerbose ) printf( "Final result...\n" );
    if ( fVerbose )
    Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&ps" );
}


////////////////////////////////////////////////////////////////////////
///                       END OF FILE                                ///
////////////////////////////////////////////////////////////////////////


ABC_NAMESPACE_IMPL_END