Debugging and finetuning the flow.

src/map/amap/amapRead.c

@@ -328,8 +328,8 @@ Amap_Lib_t * Amap_ParseTokens( Vec_Ptr_t * vTokens, int fVerbose )
     Amap_Lib_t * p;
     Amap_Gat_t * pGate, * pPrev;
     Amap_Pin_t * pPin;
-    char * pToken;
-    int i, nPins, iPos = 0;
+    char * pToken, * pMoGate = NULL;
+    int i, nPins, iPos = 0, Count = 0;
     p = Amap_LibAlloc();
     pToken = (char *)Vec_PtrEntry(vTokens, iPos++);
     do 
@@ -420,10 +420,15 @@ Amap_Lib_t * Amap_ParseTokens( Vec_Ptr_t * vTokens, int fVerbose )
         if ( pPrev && !strcmp(pPrev->pName, pGate->pName) )
         {
             pPrev->pTwin = pGate, pGate->pTwin = pPrev;
-            printf( "Warning: Detected multi-output gate \"%s\".\n", pGate->pName );
+//            printf( "Warning: Detected multi-output gate \"%s\".\n", pGate->pName );
+            if ( pMoGate == NULL )
+                pMoGate = pGate->pName;
+            Count++;
         }
         pPrev = pGate;
     }
+    if ( Count )
+        printf( "Warning: Detected %d multi-output gates (for example, \"%s\").\n", Count, pMoGate );
     return p;
 }
 

src/map/scl/scl.c

@@ -422,6 +422,9 @@ int Scl_CommandReadScl( Abc_Frame_t * pAbc, int argc, char ** argv )
     Abc_SclLoad( pLib, (SC_Lib **)&pAbc->pLibScl );
     if ( fDump )
         Abc_SclWriteLiberty( Extra_FileNameGenericAppend(pFileName, "_temp.lib"), (SC_Lib *)pAbc->pLibScl );
+    // extract genlib library
+    if ( pAbc->pLibScl )
+        Abc_SclInstallGenlib( pAbc->pLibScl, 0, 0, 0 );
     return 0;
 
 usage:

src/map/scl/sclLib.h

@@ -580,6 +580,21 @@ static inline float Scl_LibPinArrivalEstimate( SC_Cell * pCell, int iPin, float
     Scl_LibPinArrival( Scl_CellPinTime(pCell, iPin), &ArrIn, &SlewIn, &LoadIn, &ArrOut, &SlewOut );
     return  0.5 * ArrOut.fall +  0.5 * ArrOut.rise;
 }
+static inline void Scl_LibHandleInputDriver( SC_Cell * pCell, SC_Pair * pLoadIn, SC_Pair * pArrOut, SC_Pair * pSlewOut )
+{
+    SC_Pair LoadIn   = { 0.0, 0.0 }; // zero input load
+    SC_Pair ArrIn    = { 0.0, 0.0 }; // zero input time
+    SC_Pair SlewIn   = { 0.0, 0.0 }; // zero input slew
+    SC_Pair ArrOut0  = { 0.0, 0.0 }; // output time under zero load
+    SC_Pair ArrOut1  = { 0.0, 0.0 }; // output time under given load
+    SC_Pair SlewOut  = { 0.0, 0.0 }; // output slew under zero load 
+    pSlewOut->fall = pSlewOut->rise = 0;
+    assert( pCell->n_inputs == 1 );
+    Scl_LibPinArrival( Scl_CellPinTime(pCell, 0), &ArrIn, &SlewIn, &LoadIn, &ArrOut0, &SlewOut );
+    Scl_LibPinArrival( Scl_CellPinTime(pCell, 0), &ArrIn, &SlewIn, pLoadIn, &ArrOut1, pSlewOut );
+    pArrOut->fall = ArrOut1.fall - ArrOut0.fall;
+    pArrOut->rise = ArrOut1.rise - ArrOut0.rise;
+}
 
 /*=== sclLiberty.c ===============================================================*/
 extern SC_Lib *      Abc_SclReadLiberty( char * pFileName, int fVerbose, int fVeryVerbose );

src/map/scl/sclLibScl.c

@@ -404,20 +404,15 @@ static void Abc_SclWriteLibrary( Vec_Str_t * vOut, SC_Lib * p )
             Vec_StrPutS( vOut, pPin->pName );
             Vec_StrPutF( vOut, pPin->max_out_cap );
             Vec_StrPutF( vOut, pPin->max_out_slew );
+            Vec_StrPutI( vOut, pCell->n_inputs );
 
             // write function
-            if ( pPin->func_text == NULL )
-            {
-                // formula is not given - write empty string
-                Vec_StrPutS( vOut, "" );
-                // write truth table
-                assert( Vec_WrdSize(pPin->vFunc) == Abc_Truth6WordNum(pCell->n_inputs) );
-                Vec_StrPutI( vOut, pCell->n_inputs );
-                Vec_WrdForEachEntry( pPin->vFunc, uWord, k ) // -- 'size = 1u << (n_vars - 6)'
-                    Vec_StrPutW( vOut, uWord );  // -- 64-bit number, written uncompressed (low-byte first)
-            }
-            else // formula is given
-                Vec_StrPutS( vOut, pPin->func_text );
+            Vec_StrPutS( vOut, pPin->func_text ? pPin->func_text : "" );
+
+            // write truth table
+            assert( Vec_WrdSize(pPin->vFunc) == Abc_Truth6WordNum(pCell->n_inputs) );
+            Vec_WrdForEachEntry( pPin->vFunc, uWord, k ) // -- 'size = 1u << (n_vars - 6)'
+                Vec_StrPutW( vOut, uWord );  // -- 64-bit number, written uncompressed (low-byte first)
 
             // Write 'rtiming': (pin-to-pin timing tables for this particular output)
             assert( Vec_PtrSize(pPin->vRTimings) == pCell->n_inputs );

src/map/scl/sclSize.c

@@ -116,14 +116,14 @@ static inline void Abc_SclTimeNodePrint( SC_Man * p, Abc_Obj_t * pObj, int fRise
     printf( "%-*s ",            Length, pCell ? pCell->pName : "pi" );
     printf( "A =%7.2f  ",       pCell ? pCell->area : 0.0 );
     printf( "D%s =",            fRise ? "r" : "f" );
-    printf( "%5.0f",            Abc_MaxFloat(Abc_SclObjTimePs(p, pObj, 0), Abc_SclObjTimePs(p, pObj, 1)) );
-    printf( "%6.0f ps  ",       -Abc_AbsFloat(Abc_SclObjTimePs(p, pObj, 0) - Abc_SclObjTimePs(p, pObj, 1)) );
-    printf( "S =%5.0f ps  ",    Abc_SclObjSlewPs(p, pObj, fRise >= 0 ? fRise : 0 ) );
-    printf( "Cin =%4.0f ff  ",  pCell ? SC_CellPinCapAve(pCell) : 0.0 );
-    printf( "Cout =%5.0f ff  ", Abc_SclObjLoadFf(p, pObj, fRise >= 0 ? fRise : 0 ) );
-    printf( "Cmax =%5.0f ff  ", pCell ? SC_CellPin(pCell, pCell->n_inputs)->max_out_cap : 0.0 );
+    printf( "%6.1f",            Abc_MaxFloat(Abc_SclObjTimePs(p, pObj, 0), Abc_SclObjTimePs(p, pObj, 1)) );
+    printf( "%7.1f ps  ",       -Abc_AbsFloat(Abc_SclObjTimePs(p, pObj, 0) - Abc_SclObjTimePs(p, pObj, 1)) );
+    printf( "S =%6.1f ps  ",    Abc_SclObjSlewPs(p, pObj, fRise >= 0 ? fRise : 0) );
+    printf( "Cin =%5.1f ff  ",  pCell ? SC_LibCapFf(p->pLib, SC_CellPinCapAve(pCell)) : 0.0 );
+    printf( "Cout =%6.1f ff  ", Abc_SclObjLoadFf(p, pObj, fRise >= 0 ? fRise : 0) );
+    printf( "Cmax =%6.1f ff  ", pCell ? SC_LibCapFf(p->pLib, SC_CellPin(pCell, pCell->n_inputs)->max_out_cap) : 0.0 );
     printf( "G =%5d  ",         pCell ? (int)(100.0 * Abc_SclObjLoadAve(p, pObj) / SC_CellPinCapAve(pCell)) : 0 );
-    printf( "SL =%5.1f ps",     Abc_SclObjSlackPs(p, pObj, p->MaxDelay0) );
+    printf( "SL =%6.1f ps",     Abc_SclObjSlackPs(p, pObj, p->MaxDelay0) );
     printf( "\n" );
 }
 void Abc_SclTimeNtkPrint( SC_Man * p, int fShowAll, int fPrintPath )
@@ -527,6 +527,7 @@ void Abc_SclManReadSlewAndLoad( SC_Man * p, Abc_Ntk_t * pNtk )
 //            printf( "Default PI driving cell is specified (%s).\n", Abc_FrameReadDrivingCell() );
             p->pPiDrive = SC_LibCell( p->pLib, iCell );
             assert( p->pPiDrive != NULL );
+            assert( p->pPiDrive->n_inputs == 1 );
         }
     }
     if ( pNtk->pManTime == NULL )

src/map/scl/sclSize.h

@@ -226,6 +226,7 @@ static inline void Abc_SclManFree( SC_Man * p )
     ABC_FREE( p->pSlews );
     ABC_FREE( p );
 }
+/*
 static inline void Abc_SclManCleanTime( SC_Man * p )
 {
     Vec_Flt_t * vSlews;
@@ -249,6 +250,26 @@ static inline void Abc_SclManCleanTime( SC_Man * p )
     }
     Vec_FltFree( vSlews );
 }
+*/
+static inline void Abc_SclManCleanTime( SC_Man * p )
+{
+    memset( p->pTimes, 0, sizeof(SC_Pair) * p->nObjs );
+    memset( p->pSlews, 0, sizeof(SC_Pair) * p->nObjs );
+    memset( p->pDepts, 0, sizeof(SC_Pair) * p->nObjs );
+    if ( p->pPiDrive != NULL )
+    {
+        SC_Pair * pSlew, * pTime, * pLoad;
+        Abc_Obj_t * pObj;
+        int i;
+        Abc_NtkForEachPi( p->pNtk, pObj, i )
+        {
+            pLoad = Abc_SclObjLoad( p, pObj );
+            pTime = Abc_SclObjTime( p, pObj );
+            pSlew = Abc_SclObjSlew( p, pObj );
+            Scl_LibHandleInputDriver( p->pPiDrive, pLoad, pTime, pSlew );
+        }
+    }
+}
 
 
 /**Function*************************************************************