/**Function************************************************************* Synopsis [Starts the simulation manager.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ Sim_Man_t * Sim_ManStart( Abc_Ntk_t * pNtk, int fLightweight ) { Sim_Man_t * p; // start the manager p = ALLOC( Sim_Man_t, 1 ); memset( p, 0, sizeof(Sim_Man_t) ); p->pNtk = pNtk; p->nInputs = Abc_NtkCiNum(p->pNtk); p->nOutputs = Abc_NtkCoNum(p->pNtk); // internal simulation information p->nSimBits = 2048; p->nSimWords = SIM_NUM_WORDS(p->nSimBits); p->vSim0 = Sim_UtilInfoAlloc( Abc_NtkObjNumMax(pNtk), p->nSimWords, 0 ); p->fLightweight = fLightweight; if (!p->fLightweight) { p->vSim1 = Sim_UtilInfoAlloc( Abc_NtkObjNumMax(pNtk), p->nSimWords, 0 ); // support information p->nSuppBits = Abc_NtkCiNum(pNtk); p->nSuppWords = SIM_NUM_WORDS(p->nSuppBits); p->vSuppStr = Sim_ComputeStrSupp( pNtk ); p->vSuppFun = Sim_UtilInfoAlloc( Abc_NtkCoNum(p->pNtk), p->nSuppWords, 1 ); // other data p->pMmPat = Extra_MmFixedStart( sizeof(Sim_Pat_t) + p->nSuppWords * sizeof(unsigned) ); p->vFifo = Vec_PtrAlloc( 100 ); p->vDiffs = Vec_IntAlloc( 100 ); // allocate support targets (array of unresolved outputs for each input) p->vSuppTargs = Vec_VecStart( p->nInputs ); } return p; }
/**Function************************************************************* Synopsis [Starts the simulation manager.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ Sym_Man_t * Sym_ManStart( Abc_Ntk_t * pNtk, int fVerbose ) { Sym_Man_t * p; int i, v; // start the manager p = ALLOC( Sym_Man_t, 1 ); memset( p, 0, sizeof(Sym_Man_t) ); p->pNtk = pNtk; p->vNodes = Abc_NtkDfs( pNtk, 0 ); p->nInputs = Abc_NtkCiNum(p->pNtk); p->nOutputs = Abc_NtkCoNum(p->pNtk); // internal simulation information p->nSimWords = SIM_NUM_WORDS(p->nInputs); p->vSim = Sim_UtilInfoAlloc( Abc_NtkObjNumMax(pNtk), p->nSimWords, 0 ); // symmetry info for each output p->vMatrSymms = Vec_PtrStart( p->nOutputs ); p->vMatrNonSymms = Vec_PtrStart( p->nOutputs ); p->vPairsTotal = Vec_IntStart( p->nOutputs ); p->vPairsSym = Vec_IntStart( p->nOutputs ); p->vPairsNonSym = Vec_IntStart( p->nOutputs ); for ( i = 0; i < p->nOutputs; i++ ) { p->vMatrSymms->pArray[i] = Extra_BitMatrixStart( p->nInputs ); p->vMatrNonSymms->pArray[i] = Extra_BitMatrixStart( p->nInputs ); } // temporary patterns p->uPatRand = ALLOC( unsigned, p->nSimWords ); p->uPatCol = ALLOC( unsigned, p->nSimWords ); p->uPatRow = ALLOC( unsigned, p->nSimWords ); p->vVarsU = Vec_IntStart( 100 ); p->vVarsV = Vec_IntStart( 100 ); // compute supports p->vSuppFun = Sim_ComputeFunSupp( pNtk, fVerbose ); p->vSupports = Vec_VecStart( p->nOutputs ); for ( i = 0; i < p->nOutputs; i++ ) for ( v = 0; v < p->nInputs; v++ ) if ( Sim_SuppFunHasVar( p->vSuppFun, i, v ) ) Vec_VecPush( p->vSupports, i, (void *)v ); return p; }
/**Function************************************************************* Synopsis [Computes structural supports.] Description [Supports are returned as an array of bit strings, one for each CO.] SideEffects [] SeeAlso [] ***********************************************************************/ Vec_Ptr_t * Sim_ComputeStrSupp( Abc_Ntk_t * pNtk ) { Vec_Ptr_t * vSuppStr; Abc_Obj_t * pNode; unsigned * pSimmNode, * pSimmNode1, * pSimmNode2; int nSuppWords, i, k; // allocate room for structural supports nSuppWords = SIM_NUM_WORDS( Abc_NtkCiNum(pNtk) ); vSuppStr = Sim_UtilInfoAlloc( Abc_NtkObjNumMax(pNtk), nSuppWords, 1 ); // assign the structural support to the PIs Abc_NtkForEachCi( pNtk, pNode, i ) Sim_SuppStrSetVar( vSuppStr, pNode, i ); // derive the structural supports of the internal nodes Abc_NtkForEachNode( pNtk, pNode, i ) { // if ( Abc_NodeIsConst(pNode) ) // continue; pSimmNode = vSuppStr->pArray[ pNode->Id ]; pSimmNode1 = vSuppStr->pArray[ Abc_ObjFaninId0(pNode) ]; pSimmNode2 = vSuppStr->pArray[ Abc_ObjFaninId1(pNode) ]; for ( k = 0; k < nSuppWords; k++ ) pSimmNode[k] = pSimmNode1[k] | pSimmNode2[k]; }
ABC_NAMESPACE_IMPL_START //////////////////////////////////////////////////////////////////////// /// DECLARATIONS /// //////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////// /// FUNCTION DEFINITIONS /// //////////////////////////////////////////////////////////////////////// /**Function************************************************************* Synopsis [Starts the simulation manager.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ Sym_Man_t * Sym_ManStart( Abc_Ntk_t * pNtk, int fVerbose ) { Sym_Man_t * p; int i, v; // start the manager p = ABC_ALLOC( Sym_Man_t, 1 ); memset( p, 0, sizeof(Sym_Man_t) ); p->pNtk = pNtk; p->vNodes = Abc_NtkDfs( pNtk, 0 ); p->nInputs = Abc_NtkCiNum(p->pNtk); p->nOutputs = Abc_NtkCoNum(p->pNtk); // internal simulation information p->nSimWords = SIM_NUM_WORDS(p->nInputs); p->vSim = Sim_UtilInfoAlloc( Abc_NtkObjNumMax(pNtk), p->nSimWords, 0 ); // symmetry info for each output p->vMatrSymms = Vec_PtrStart( p->nOutputs ); p->vMatrNonSymms = Vec_PtrStart( p->nOutputs ); p->vPairsTotal = Vec_IntStart( p->nOutputs ); p->vPairsSym = Vec_IntStart( p->nOutputs ); p->vPairsNonSym = Vec_IntStart( p->nOutputs ); for ( i = 0; i < p->nOutputs; i++ ) { p->vMatrSymms->pArray[i] = Extra_BitMatrixStart( p->nInputs ); p->vMatrNonSymms->pArray[i] = Extra_BitMatrixStart( p->nInputs ); } // temporary patterns p->uPatRand = ABC_ALLOC( unsigned, p->nSimWords ); p->uPatCol = ABC_ALLOC( unsigned, p->nSimWords ); p->uPatRow = ABC_ALLOC( unsigned, p->nSimWords ); p->vVarsU = Vec_IntStart( 100 ); p->vVarsV = Vec_IntStart( 100 ); // compute supports p->vSuppFun = Sim_ComputeFunSupp( pNtk, fVerbose ); p->vSupports = Vec_VecStart( p->nOutputs ); for ( i = 0; i < p->nOutputs; i++ ) for ( v = 0; v < p->nInputs; v++ ) if ( Sim_SuppFunHasVar( p->vSuppFun, i, v ) ) Vec_VecPush( p->vSupports, i, (void *)(ABC_PTRUINT_T)v ); return p; }