diff options
Diffstat (limited to 'src/opt/cut/cut.h')
| -rw-r--r-- | src/opt/cut/cut.h | 53 |
1 files changed, 33 insertions, 20 deletions
diff --git a/src/opt/cut/cut.h b/src/opt/cut/cut.h index ecdfed72..9908f6a8 100644 --- a/src/opt/cut/cut.h +++ b/src/opt/cut/cut.h @@ -29,32 +29,40 @@ /// PARAMETERS /// //////////////////////////////////////////////////////////////////////// +#define CUT_SIZE_MIN 3 // the min K of the K-feasible cut computation +#define CUT_SIZE_MAX 8 // the max K of the K-feasible cut computation + +#define CUT_SHIFT 8 // the number of bits for storing latch number in the cut leaves +#define CUT_MASK 0xFF // the mask to get the stored latch number + //////////////////////////////////////////////////////////////////////// /// BASIC TYPES /// //////////////////////////////////////////////////////////////////////// typedef struct Cut_ManStruct_t_ Cut_Man_t; +typedef struct Cut_OracleStruct_t_ Cut_Oracle_t; typedef struct Cut_CutStruct_t_ Cut_Cut_t; typedef struct Cut_ParamsStruct_t_ Cut_Params_t; struct Cut_ParamsStruct_t_ { - int nVarsMax; // the max cut size ("k" of the k-feasible cuts) - int nKeepMax; // the max number of cuts kept at a node - int nIdsMax; // the max number of IDs of cut objects - int nCutSet; // the number of nodes in the cut set - int fTruth; // compute truth tables - int fFilter; // filter dominated cuts - int fSeq; // compute sequential cuts - int fDrop; // drop cuts on the fly - int fMulti; // compute cuts in multi-input AND gate graph - int fVerbose; // the verbosiness flag + int nVarsMax; // the max cut size ("k" of the k-feasible cuts) + int nKeepMax; // the max number of cuts kept at a node + int nIdsMax; // the max number of IDs of cut objects + int nCutSet; // the number of nodes in the cut set + int fTruth; // compute truth tables + int fFilter; // filter dominated cuts + int fSeq; // compute sequential cuts + int fDrop; // drop cuts on the fly + int fMulti; // compute cuts in multi-input AND gate graph + int fRecord; // record the cut computation flow + int fVerbose; // the verbosiness flag }; struct Cut_CutStruct_t_ { - unsigned uTruth : 16; // truth table for 4-input cuts - unsigned uPhase : 6; // the phase when mapping into a canonical form + unsigned Num0 : 11; // temporary number + unsigned Num1 : 11; // temporary number unsigned fSimul : 1; // the value of cut's output at 000.. pattern unsigned fCompl : 1; // the cut is complemented unsigned nVarsMax : 4; // the max number of vars [4-6] @@ -64,15 +72,13 @@ struct Cut_CutStruct_t_ int pLeaves[0]; // the array of leaves }; -static inline unsigned * Cut_CutReadTruth( Cut_Cut_t * p ) { if ( p->nVarsMax == 4 ) return (unsigned *)p; return (unsigned *)(p->pLeaves + p->nVarsMax); } -static inline unsigned Cut_CutReadPhase( Cut_Cut_t * p ) { return p->uPhase; } static inline int Cut_CutReadLeaveNum( Cut_Cut_t * p ) { return p->nLeaves; } static inline int * Cut_CutReadLeaves( Cut_Cut_t * p ) { return p->pLeaves; } - +static inline unsigned * Cut_CutReadTruth( Cut_Cut_t * p ) { return (unsigned *)(p->pLeaves + p->nVarsMax); } static inline void Cut_CutWriteTruth( Cut_Cut_t * p, unsigned * puTruth ) { - if ( p->nVarsMax == 4 ) { p->uTruth = *puTruth; return; } - p->pLeaves[p->nVarsMax] = (int)puTruth[0]; - if ( p->nVarsMax == 6 ) p->pLeaves[p->nVarsMax + 1] = (int)puTruth[1]; + int i; + for ( i = (p->nVarsMax <= 5) ? 0 : ((1 << (p->nVarsMax - 5)) - 1); i >= 0; i-- ) + p->pLeaves[p->nVarsMax + i] = (int)puTruth[i]; } //////////////////////////////////////////////////////////////////////// @@ -104,14 +110,21 @@ extern void Cut_ManPrintStatsToFile( Cut_Man_t * p, char * pFileName extern void Cut_ManSetFanoutCounts( Cut_Man_t * p, Vec_Int_t * vFanCounts ); extern int Cut_ManReadVarsMax( Cut_Man_t * p ); /*=== cutNode.c ==========================================================*/ -extern Cut_Cut_t * Cut_NodeComputeCuts( Cut_Man_t * p, int Node, int Node0, int Node1, int fCompl0, int fCompl1, int fNew0, int fNew1, int fTriv ); -extern Cut_Cut_t * Cut_NodeDoComputeCuts( Cut_Man_t * p, int Node, int Node0, int Node1, int fCompl0, int fCompl1, int fNew0, int fNew1, int fTriv ); +extern Cut_Cut_t * Cut_NodeComputeCuts( Cut_Man_t * p, int Node, int Node0, int Node1, int fCompl0, int fCompl1, int fTriv ); extern Cut_Cut_t * Cut_NodeUnionCuts( Cut_Man_t * p, Vec_Int_t * vNodes ); /*=== cutSeq.c ==========================================================*/ extern void Cut_NodeComputeCutsSeq( Cut_Man_t * p, int Node, int Node0, int Node1, int fCompl0, int fCompl1, int nLat0, int nLat1, int fTriv, int CutSetNum ); extern void Cut_NodeNewMergeWithOld( Cut_Man_t * p, int Node ); extern int Cut_NodeTempTransferToNew( Cut_Man_t * p, int Node, int CutSetNum ); extern void Cut_NodeOldTransferToNew( Cut_Man_t * p, int Node ); +/*=== cutOracle.c ==========================================================*/ +extern Cut_Oracle_t * Cut_OracleStart( Cut_Man_t * pMan ); +extern void Cut_OracleStop( Cut_Oracle_t * p ); +extern void Cut_OracleSetFanoutCounts( Cut_Oracle_t * p, Vec_Int_t * vFanCounts ); +extern int Cut_OracleReadDrop( Cut_Oracle_t * p ); +extern void Cut_OracleNodeSetTriv( Cut_Oracle_t * p, int Node ); +extern Cut_Cut_t * Cut_OracleComputeCuts( Cut_Oracle_t * p, int Node, int Node0, int Node1, int fCompl0, int fCompl1 ); +extern void Cut_OracleTryDroppingCuts( Cut_Oracle_t * p, int Node ); //////////////////////////////////////////////////////////////////////// /// END OF FILE /// |