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-rw-r--r--src/aig/gia/giaIf.c49
-rw-r--r--src/aig/gia/giaJf.c2
-rw-r--r--src/base/abci/abc.c61
3 files changed, 112 insertions, 0 deletions
diff --git a/src/aig/gia/giaIf.c b/src/aig/gia/giaIf.c
index cf4eef5a..3f86f829 100644
--- a/src/aig/gia/giaIf.c
+++ b/src/aig/gia/giaIf.c
@@ -1366,6 +1366,55 @@ Gia_Man_t * Gia_ManPerformMapping( Gia_Man_t * p, void * pp, int fNormalized )
return pNew;
}
+/**Function*************************************************************
+
+ Synopsis [Tests decomposition structures.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Gia_ManTestStruct( Gia_Man_t * p )
+{
+ int nCutMax = 7;
+ int LutCount[8] = {0}, LutNDecomp[8] = {0};
+ int i, k, iFan, nFanins, Status;
+ Vec_Int_t * vLeaves;
+ word * pTruth;
+
+ vLeaves = Vec_IntAlloc( 100 );
+ Gia_ObjComputeTruthTableStart( p, nCutMax );
+ Gia_ManForEachLut( p, i )
+ {
+ nFanins = Gia_ObjLutSize(p, i);
+ assert( nFanins <= 7 );
+ LutCount[Abc_MaxInt(nFanins, 5)]++;
+ if ( nFanins <= 5 )
+ continue;
+ Vec_IntClear( vLeaves );
+ Gia_LutForEachFanin( p, i, iFan, k )
+ Vec_IntPush( vLeaves, iFan );
+ pTruth = Gia_ObjComputeTruthTableCut( p, Gia_ManObj(p, i), vLeaves );
+ // check if it is decomposable
+ Status = If_CutPerformCheck07( NULL, (unsigned *)pTruth, 7, nFanins, NULL );
+ if ( Status == 1 )
+ continue;
+ LutNDecomp[nFanins]++;
+ if ( LutNDecomp[nFanins] > 10 )
+ continue;
+ Kit_DsdPrintFromTruth( (unsigned *)pTruth, nFanins ); printf( "\n" );
+ }
+ Gia_ObjComputeTruthTableStop( p );
+
+ printf( "LUT5 = %d ", LutCount[5] );
+ printf( "LUT6 = %d NonDec = %d (%.2f %%) ", LutCount[6], LutNDecomp[6], 100.0 * LutNDecomp[6]/Abc_MaxInt(LutCount[6], 1) );
+ printf( "LUT7 = %d NonDec = %d (%.2f %%) ", LutCount[7], LutNDecomp[7], 100.0 * LutNDecomp[7]/Abc_MaxInt(LutCount[7], 1) );
+ printf( "\n" );
+}
+
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
diff --git a/src/aig/gia/giaJf.c b/src/aig/gia/giaJf.c
index 3c790fd8..6c45a749 100644
--- a/src/aig/gia/giaJf.c
+++ b/src/aig/gia/giaJf.c
@@ -1024,6 +1024,8 @@ void Jf_ObjComputeCuts( Jf_Man_t * p, Gia_Obj_t * pObj, int fEdge )
assert( pSto[c]->pCut[0] <= nOldSupp );
if ( pSto[c]->pCut[0] < nOldSupp )
pSto[c]->Sign = Jf_CutGetSign( pSto[c]->pCut );
+ if ( pSto[c]->iFunc >= (1 << 22) )
+ printf( "Hard limit on the number of different Boolean functions (2^21) is reached. Quitting...\n" ), exit(1);
}
else
{
diff --git a/src/base/abci/abc.c b/src/base/abci/abc.c
index 3d453e85..f264a32d 100644
--- a/src/base/abci/abc.c
+++ b/src/base/abci/abc.c
@@ -374,6 +374,7 @@ static int Abc_CommandAbc9Embed ( Abc_Frame_t * pAbc, int argc, cha
static int Abc_CommandAbc9If ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc9If2 ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc9Jf ( Abc_Frame_t * pAbc, int argc, char ** argv );
+static int Abc_CommandAbc9Struct ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc9Trace ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc9Speedup ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc9Era ( Abc_Frame_t * pAbc, int argc, char ** argv );
@@ -931,6 +932,7 @@ void Abc_Init( Abc_Frame_t * pAbc )
Cmd_CommandAdd( pAbc, "ABC9", "&if", Abc_CommandAbc9If, 0 );
Cmd_CommandAdd( pAbc, "ABC9", "&if2", Abc_CommandAbc9If2, 0 );
Cmd_CommandAdd( pAbc, "ABC9", "&jf", Abc_CommandAbc9Jf, 0 );
+ Cmd_CommandAdd( pAbc, "ABC9", "&struct", Abc_CommandAbc9Struct, 0 );
Cmd_CommandAdd( pAbc, "ABC9", "&trace", Abc_CommandAbc9Trace, 0 );
Cmd_CommandAdd( pAbc, "ABC9", "&speedup", Abc_CommandAbc9Speedup, 0 );
Cmd_CommandAdd( pAbc, "ABC9", "&era", Abc_CommandAbc9Era, 0 );
@@ -29988,6 +29990,65 @@ usage:
}
+/**Function*************************************************************
+
+ Synopsis []
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+int Abc_CommandAbc9Struct( Abc_Frame_t * pAbc, int argc, char ** argv )
+{
+ extern void Gia_ManTestStruct( Gia_Man_t * p );
+ Abc_Ntk_t * pNtk = Abc_FrameReadNtk(pAbc);
+ int c, fVerbose;
+ pNtk = Abc_FrameReadNtk(pAbc);
+ // set defaults
+ fVerbose = 0;
+ Extra_UtilGetoptReset();
+ while ( ( c = Extra_UtilGetopt( argc, argv, "vh" ) ) != EOF )
+ {
+ switch ( c )
+ {
+ case 'v':
+ fVerbose ^= 1;
+ break;
+ case 'h':
+ goto usage;
+ default:
+ goto usage;
+ }
+ }
+ if ( pAbc->pGia == NULL )
+ {
+ Abc_Print( -1, "Abc_CommandAbc9Struct(): There is no AIG to map.\n" );
+ return 1;
+ }
+ if ( !Gia_ManHasMapping(pAbc->pGia) )
+ {
+ Abc_Print( -1, "Abc_CommandAbc9Struct(): Mapping of the AIG is not defined.\n" );
+ return 1;
+ }
+ if ( Gia_ManLutSizeMax(pAbc->pGia) >= 8 )
+ {
+ Abc_Print( -1, "Abc_CommandAbc9Struct(): Can only handle nodes with less than 8 inputs.\n" );
+ return 1;
+ }
+ Gia_ManTestStruct( pAbc->pGia );
+ return 0;
+
+usage:
+ Abc_Print( -2, "usage: &struct [-vh]\n" );
+ Abc_Print( -2, "\t checks decomposition structures of the current mapping\n" );
+ Abc_Print( -2, "\t-v : toggle printing optimization summary [default = %s]\n", fVerbose? "yes": "no" );
+ Abc_Print( -2, "\t-h : print the command usage\n");
+ return 1;
+}
+
/**Function*************************************************************