mirror of https://github.com/YosysHQ/abc.git
Started PO partitioning command.
This commit is contained in:
Alan Mishchenko
parent
69dd1337b0
commit
95ea102d97
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@ -27,9 +27,174 @@ ABC_NAMESPACE_IMPL_START
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/// DECLARATIONS ///
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////////////////////////////////////////////////////////////////////////
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typedef struct Opa_Man_t_ Opa_Man_t;
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struct Opa_Man_t_
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{
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Gia_Man_t * pGia;
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Vec_Int_t * vFront;
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Vec_Int_t * pvParts;
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int * pId2Part;
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int nParts;
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};
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////////////////////////////////////////////////////////////////////////
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/// FUNCTION DEFINITIONS ///
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////////////////////////////////////////////////////////////////////////
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/**Function*************************************************************
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Synopsis []
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Description []
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SideEffects []
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SeeAlso []
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***********************************************************************/
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static inline Opa_Man_t * Opa_ManStart( Gia_Man_t * pGia)
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{
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Opa_Man_t * p;
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Gia_Obj_t * pObj;
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int i;
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p = ABC_CALLOC( Opa_Man_t, 1 );
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p->pGia = pGia;
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p->pvParts = ABC_CALLOC( Vec_Int_t, Gia_ManPoNum(pGia) );
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p->pId2Part = ABC_FALLOC( int, Gia_ManObjNum(pGia) );
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p->vFront = Vec_IntAlloc( 100 );
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Gia_ManForEachPo( pGia, pObj, i )
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{
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Vec_IntPush( p->pvParts + i, Gia_ObjId(pGia, pObj) );
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p->pId2Part[Gia_ObjId(pGia, pObj)] = i;
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Vec_IntPush( p->vFront, Gia_ObjId(pGia, pObj) );
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}
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p->nParts = Gia_ManPoNum(pGia);
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return p;
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}
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static inline void Opa_ManStop( Opa_Man_t * p )
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{
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int i;
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Vec_IntFree( p->vFront );
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for ( i = 0; i < Gia_ManPoNum(p->pGia); i++ )
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ABC_FREE( p->pvParts[i].pArray );
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ABC_FREE( p->pvParts );
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ABC_FREE( p->pId2Part );
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ABC_FREE( p );
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}
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static inline void Opa_ManPrint( Opa_Man_t * p )
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{
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int i, k;
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printf( "Groups:\n" );
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for ( i = 0; i < Gia_ManPoNum(p->pGia); i++ )
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{
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if ( p->pvParts[i].nSize == 0 )
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continue;
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printf( "%3d : ", i );
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for ( k = 0; k < p->pvParts[i].nSize; k++ )
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printf( "%d ", p->pvParts[i].pArray[k] );
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printf( "\n" );
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}
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}
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static inline void Opa_ManPrint2( Opa_Man_t * p )
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{
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Gia_Obj_t * pObj;
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int i, k, Count;
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printf( "Groups %d: ", p->nParts );
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for ( i = 0; i < Gia_ManPoNum(p->pGia); i++ )
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{
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if ( p->pvParts[i].nSize == 0 )
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continue;
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// count POs in this group
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Count = 0;
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Gia_ManForEachObjVec( p->pvParts + i, p->pGia, pObj, k )
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Count += Gia_ObjIsPo(p->pGia, pObj);
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printf( "%d ", Count );
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}
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printf( "\n" );
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}
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/**Function*************************************************************
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Synopsis []
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Description []
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SideEffects []
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SeeAlso []
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***********************************************************************/
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void Opa_ManMoveOne( Opa_Man_t * p, Gia_Obj_t * pObj, Gia_Obj_t * pFanin )
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{
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int iObj = Gia_ObjId(p->pGia, pObj);
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int iFanin = Gia_ObjId(p->pGia, pFanin);
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if ( iFanin == 0 )
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return;
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assert( p->pId2Part[ iObj ] >= 0 );
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if ( p->pId2Part[ iFanin ] == -1 )
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{
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p->pId2Part[ iFanin ] = p->pId2Part[ iObj ];
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Vec_IntPush( p->pvParts + p->pId2Part[ iObj ], iFanin );
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assert( Gia_ObjIsCi(pFanin) || Gia_ObjIsAnd(pFanin) );
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if ( Gia_ObjIsAnd(pFanin) )
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Vec_IntPush( p->vFront, iFanin );
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else if ( Gia_ObjIsRo(p->pGia, pFanin) )
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{
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pFanin = Gia_ObjRoToRi(p->pGia, pFanin);
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iFanin = Gia_ObjId(p->pGia, pFanin);
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assert( p->pId2Part[ iFanin ] == -1 );
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p->pId2Part[ iFanin ] = p->pId2Part[ iObj ];
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Vec_IntPush( p->pvParts + p->pId2Part[ iObj ], iFanin );
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Vec_IntPush( p->vFront, iFanin );
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}
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}
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else if ( p->pId2Part[ iObj ] != p->pId2Part[ iFanin ] )
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{
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Vec_Int_t * vPartObj = p->pvParts + p->pId2Part[ iObj ];
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Vec_Int_t * vPartFan = p->pvParts + p->pId2Part[ iFanin ];
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int iTemp, i;
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// printf( "Moving %d to %d (%d -> %d)\n", iObj, iFanin, Vec_IntSize(vPartObj), Vec_IntSize(vPartFan) );
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// add group of iObj to group of iFanin
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assert( Vec_IntSize(vPartObj) > 0 );
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Vec_IntForEachEntry( vPartObj, iTemp, i )
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{
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Vec_IntPush( vPartFan, iTemp );
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p->pId2Part[ iTemp ] = p->pId2Part[ iFanin ];
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}
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Vec_IntShrink( vPartObj, 0 );
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p->nParts--;
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}
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}
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void Opa_ManPerform( Gia_Man_t * pGia )
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{
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Opa_Man_t * p;
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Gia_Obj_t * pObj;
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int i;
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p = Opa_ManStart( pGia );
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//Opa_ManPrint2( p );
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Gia_ManForEachObjVec( p->vFront, pGia, pObj, i )
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{
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// printf( "*** Object %d ", Gia_ObjId(pGia, pObj) );
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if ( Gia_ObjIsAnd(pObj) )
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{
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Opa_ManMoveOne( p, pObj, Gia_ObjFanin0(pObj) );
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Opa_ManMoveOne( p, pObj, Gia_ObjFanin1(pObj) );
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}
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else if ( Gia_ObjIsCo(pObj) )
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Opa_ManMoveOne( p, pObj, Gia_ObjFanin0(pObj) );
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else assert( 0 );
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if ( i % 10 == 0 )
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printf( "%d ", p->nParts );
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//Opa_ManPrint2( p );
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if ( p->nParts == 1 )
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break;
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}
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printf( "\n" );
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Opa_ManStop( p );
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}
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/**Function*************************************************************
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@ -99,6 +264,7 @@ int Gia_ManConeMark( Gia_Man_t * p, int iOut, int Limit )
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***********************************************************************/
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Gia_Man_t * Gia_ManConeExtract( Gia_Man_t * p, int iOut, int nDelta, int nOutsMin, int nOutsMax )
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{
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/*
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int i, Count = 0;
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// mark nodes belonging to output 'iOut'
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for ( i = 0; i < Gia_ManPoNum(p); i++ )
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@ -107,6 +273,8 @@ Gia_Man_t * Gia_ManConeExtract( Gia_Man_t * p, int iOut, int nDelta, int nOutsMi
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printf( "%d out of %d\n", Count, Gia_ManPoNum(p) );
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// add other outputs as long as they are nDelta away
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*/
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Opa_ManPerform( p );
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return NULL;
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}
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