From 7d90895dcf97c726deab121bb042e68abda301e9 Mon Sep 17 00:00:00 2001 From: Alan Mishchenko Date: Sat, 1 May 2021 22:44:29 -0700 Subject: Experiments with LUT mapping for small functions. --- src/base/abci/abcNtbdd.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) (limited to 'src/base/abci/abcNtbdd.c') diff --git a/src/base/abci/abcNtbdd.c b/src/base/abci/abcNtbdd.c index aa35aa6a..185696f2 100644 --- a/src/base/abci/abcNtbdd.c +++ b/src/base/abci/abcNtbdd.c @@ -34,7 +34,7 @@ ABC_NAMESPACE_IMPL_START #ifdef ABC_USE_CUDD -static int Abc_NtkBddToMuxesPerformGlo( Abc_Ntk_t * pNtk, Abc_Ntk_t * pNtkNew, int Limit ); + int Abc_NtkBddToMuxesPerformGlo( Abc_Ntk_t * pNtk, Abc_Ntk_t * pNtkNew, int Limit, int fReorder ); static void Abc_NtkBddToMuxesPerform( Abc_Ntk_t * pNtk, Abc_Ntk_t * pNtkNew ); static Abc_Obj_t * Abc_NodeBddToMuxes( Abc_Obj_t * pNodeOld, Abc_Ntk_t * pNtkNew ); static Abc_Obj_t * Abc_NodeBddToMuxes_rec( DdManager * dd, DdNode * bFunc, Abc_Ntk_t * pNtkNew, st__table * tBdd2Node ); @@ -135,7 +135,7 @@ Abc_Ntk_t * Abc_NtkBddToMuxes( Abc_Ntk_t * pNtk, int fGlobal, int Limit ) pNtkNew = Abc_NtkStartFrom( pNtk, ABC_NTK_LOGIC, ABC_FUNC_SOP ); if ( fGlobal ) { - if ( !Abc_NtkBddToMuxesPerformGlo( pNtk, pNtkNew, Limit ) ) + if ( !Abc_NtkBddToMuxesPerformGlo( pNtk, pNtkNew, Limit, 0 ) ) { Abc_NtkDelete( pNtkNew ); return NULL; @@ -265,13 +265,13 @@ Abc_Obj_t * Abc_NodeBddToMuxes_rec( DdManager * dd, DdNode * bFunc, Abc_Ntk_t * SeeAlso [] ***********************************************************************/ -int Abc_NtkBddToMuxesPerformGlo( Abc_Ntk_t * pNtk, Abc_Ntk_t * pNtkNew, int Limit ) +int Abc_NtkBddToMuxesPerformGlo( Abc_Ntk_t * pNtk, Abc_Ntk_t * pNtkNew, int Limit, int fReorder ) { DdManager * dd; Abc_Obj_t * pObj, * pObjNew; int i; st__table * tBdd2Node; assert( Abc_NtkIsStrash(pNtk) ); - dd = (DdManager *)Abc_NtkBuildGlobalBdds( pNtk, Limit, 1, 1, 0, 0 ); + dd = (DdManager *)Abc_NtkBuildGlobalBdds( pNtk, Limit, 1, 1, fReorder, 0 ); if ( dd == NULL ) { printf( "Construction of global BDDs has failed.\n" ); @@ -410,6 +410,7 @@ void * Abc_NtkBuildGlobalBdds( Abc_Ntk_t * pNtk, int nBddSizeMax, int fDropInter if ( fReorder ) { Cudd_ReduceHeap( dd, CUDD_REORDER_SYMM_SIFT, 1 ); +// Cudd_ReduceHeap( dd, CUDD_REORDER_SYMM_SIFT, 1 ); Cudd_AutodynDisable( dd ); } // Cudd_PrintInfo( dd, stdout ); -- cgit v1.2.3