Changes to LUT mappers.

src/base/abci/abc.c

@@ -237,6 +237,7 @@ static int Abc_CommandDsdLoad                ( Abc_Frame_t * pAbc, int argc, cha
 static int Abc_CommandDsdFree                ( Abc_Frame_t * pAbc, int argc, char ** argv );
 static int Abc_CommandDsdPs                  ( Abc_Frame_t * pAbc, int argc, char ** argv );
 static int Abc_CommandDsdTune                ( Abc_Frame_t * pAbc, int argc, char ** argv );
+static int Abc_CommandDsdMerge               ( Abc_Frame_t * pAbc, int argc, char ** argv );
 
 static int Abc_CommandScut                   ( Abc_Frame_t * pAbc, int argc, char ** argv );
 static int Abc_CommandInit                   ( Abc_Frame_t * pAbc, int argc, char ** argv );
@@ -797,6 +798,7 @@ void Abc_Init( Abc_Frame_t * pAbc )
     Cmd_CommandAdd( pAbc, "DSD manager",  "dsd_free",      Abc_CommandDsdFree,          0 );
     Cmd_CommandAdd( pAbc, "DSD manager",  "dsd_ps",        Abc_CommandDsdPs,            0 );
     Cmd_CommandAdd( pAbc, "DSD manager",  "dsd_tune",      Abc_CommandDsdTune,          0 );
+    Cmd_CommandAdd( pAbc, "DSD manager",  "dsd_merge",     Abc_CommandDsdMerge,         0 );
 
 //    Cmd_CommandAdd( pAbc, "Sequential",   "scut",          Abc_CommandScut,             0 );
     Cmd_CommandAdd( pAbc, "Sequential",   "init",          Abc_CommandInit,             1 );
@@ -15648,6 +15650,77 @@ usage:
     return 1;
 }
 
+/**Function*************************************************************
+
+  Synopsis    []
+
+  Description []
+
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+int Abc_CommandDsdMerge( Abc_Frame_t * pAbc, int argc, char ** argv )
+{
+    char * FileName, * pTemp;
+    char ** pArgvNew;
+    int c, nArgcNew;
+    FILE * pFile;
+    If_DsdMan_t * pDsdMan;
+    Extra_UtilGetoptReset();
+    while ( ( c = Extra_UtilGetopt( argc, argv, "h" ) ) != EOF )
+    {
+        switch ( c )
+        {
+        case 'h':
+            goto usage;
+        default:
+            goto usage;
+        }
+    }
+    if ( !Abc_FrameReadManDsd() )
+    {
+        Abc_Print( 1, "The DSD manager is not started.\n" );
+        return 0;
+    }
+    pArgvNew = argv + globalUtilOptind;
+    nArgcNew = argc - globalUtilOptind;
+    if ( nArgcNew != 1 )
+    {
+        Abc_Print( -1, "File name is not given on the command line.\n" );
+        return 1;
+    }
+    // get the input file name
+    FileName = pArgvNew[0];
+    // fix the wrong symbol
+    for ( pTemp = FileName; *pTemp; pTemp++ )
+        if ( *pTemp == '>' )
+            *pTemp = '\\';
+    if ( (pFile = fopen( FileName, "r" )) == NULL )
+    {
+        Abc_Print( -1, "Cannot open input file \"%s\". ", FileName );
+        if ( (FileName = Extra_FileGetSimilarName( FileName, ".aig", NULL, NULL, NULL, NULL )) )
+            Abc_Print( 1, "Did you mean \"%s\"?", FileName );
+        Abc_Print( 1, "\n" );
+        return 1;
+    }
+    fclose( pFile );
+    pDsdMan = If_DsdManLoad(FileName);
+    if ( pDsdMan == NULL )
+        return 1;
+    If_DsdManMerge( Abc_FrameReadManDsd(), pDsdMan );
+    If_DsdManFree( pDsdMan, 0 );
+    return 0;
+
+usage:
+    Abc_Print( -2, "usage: dsd_merge [-h] <file>\n" );
+    Abc_Print( -2, "\t         mermges DSD manager from file with the current one\n");
+    Abc_Print( -2, "\t-h     : print the command usage\n");
+    Abc_Print( -2, "\t<file> : file name to read\n");
+    return 1;
+}
+
 
 
 /**Function*************************************************************

src/map/if/if.h

@@ -524,6 +524,7 @@ extern void            If_DsdManTune( If_DsdMan_t * p, int LutSize, int fFast, i
 extern void            If_DsdManFree( If_DsdMan_t * p, int fVerbose );
 extern void            If_DsdManSave( If_DsdMan_t * p, char * pFileName );
 extern If_DsdMan_t *   If_DsdManLoad( char * pFileName );
+extern void            If_DsdManMerge( If_DsdMan_t * p, If_DsdMan_t * pNew );
 extern int             If_DsdManCompute( If_DsdMan_t * p, word * pTruth, int nLeaves, unsigned char * pPerm, char * pLutStruct );
 extern char *          If_DsdManFileName( If_DsdMan_t * p );
 extern int             If_DsdManVarNum( If_DsdMan_t * p );

src/map/if/ifDsd.c

@@ -445,13 +445,13 @@ void If_DsdManPrintDistrib( If_DsdMan_t * p )
     {
         printf( "%3d :  ", i );
         printf( "All = %8d  ", CountAll[i] );
-        printf( "Non = %8d ",  CountNon[i] );
+        printf( "Non = %8d  ", CountNon[i] );
         printf( "(%6.2f %%)",  100.0 * CountNon[i] / CountAll[i] );
         printf( "\n" );
     }
     printf( "All :  " );
     printf( "All = %8d  ", Vec_PtrSize(p->vObjs) );
-    printf( "Non = %8d ",  CountNonTotal );
+    printf( "Non = %8d  ", CountNonTotal );
     printf( "(%6.2f %%)",  100.0 * CountNonTotal / Vec_PtrSize(p->vObjs) );
     printf( "\n" );
 }
@@ -482,7 +482,8 @@ void If_DsdManPrint( If_DsdMan_t * p, char * pFileName, int Number, int fOccurs,
     fprintf( pFile, "Unique table hits          = %8d\n", p->nUniqueHits );
     fprintf( pFile, "Unique table misses        = %8d\n", p->nUniqueMisses );
     fprintf( pFile, "Memory used for objects    = %8.2f MB.\n", 1.0*Mem_FlexReadMemUsage(p->pMem)/(1<<20) );
-    fprintf( pFile, "Memory used for hash table = %8.2f MB.\n", 1.0*sizeof(int)*p->nBins/(1<<20) );
+    fprintf( pFile, "Memory used for functions  = %8.2f MB.\n", 8.0*(Vec_MemEntrySize(p->vTtMem)+1)*Vec_MemEntryNum(p->vTtMem)/(1<<20) );
+    fprintf( pFile, "Memory used for hash table = %8.2f MB.\n", 1.0*sizeof(int)*(p->nBins+Vec_IntCap(p->vNexts))/(1<<20) );
     fprintf( pFile, "Memory used for array      = %8.2f MB.\n", 1.0*sizeof(void *)*Vec_PtrCap(p->vObjs)/(1<<20) );
     If_DsdManPrintDistrib( p );
     if ( fOccurs )
@@ -820,6 +821,35 @@ If_DsdMan_t * If_DsdManLoad( char * pFileName )
     fclose( pFile );
     return p;
 }
+void If_DsdManMerge( If_DsdMan_t * p, If_DsdMan_t * pNew )
+{
+    If_DsdObj_t * pObj; 
+    Vec_Int_t * vMap;
+    int pFanins[DAU_MAX_VAR];
+    int i, k, iFanin, Id;
+    if ( p->nVars < pNew->nVars )
+    {
+        printf( "The number of variables should be the same or smaller.\n" );
+        return;
+    }
+    if ( p->LutSize != pNew->LutSize )
+    {
+        printf( "LUT size should be the same.\n" );
+        return;
+    }
+    vMap = Vec_IntAlloc( Vec_PtrSize(pNew->vObjs) );
+    Vec_IntPush( vMap, 0 );
+    Vec_IntPush( vMap, 1 );
+    If_DsdVecForEachNode( pNew->vObjs, pObj, i )
+    {
+        If_DsdObjForEachFaninLit( pNew->vObjs, pObj, iFanin, k )
+            pFanins[k] = Abc_Lit2LitV( Vec_IntArray(vMap), iFanin );
+        Id = If_DsdObjFindOrAdd( p, pObj->Type, pFanins, pObj->nFans, pObj->Type == IF_DSD_PRIME ? If_DsdObjTruth(pNew, pObj) : NULL );
+        Vec_IntPush( vMap, Id );
+    }
+    assert( Vec_IntSize(vMap) == Vec_PtrSize(pNew->vObjs) );
+    Vec_IntFree( vMap );
+}
 
 /**Function*************************************************************
 
@@ -1636,15 +1666,18 @@ void If_DsdManTest()
 void If_DsdManTune( If_DsdMan_t * p, int LutSize, int fFast, int fAdd, int fSpec, int fVerbose )
 {
     ProgressBar * pProgress = NULL;
-    If_DsdObj_t * pObj;
     sat_solver * pSat = NULL;
-    Vec_Int_t * vLits = Vec_IntAlloc( 1000 );
+    If_DsdObj_t * pObj;
+    Vec_Int_t * vLits;
     int i, Value, nVars;
     word * pTruth;
-    pSat = (sat_solver *)If_ManSatBuildXY( LutSize );
-    if ( !fAdd )
+    if ( !fAdd || !LutSize )
         If_DsdVecForEachObj( p->vObjs, pObj, i )
             pObj->fMark = 0;
+    if ( LutSize == 0 )
+        return;
+    vLits = Vec_IntAlloc( 1000 );
+    pSat = (sat_solver *)If_ManSatBuildXY( LutSize );
     pProgress = Extra_ProgressBarStart( stdout, Vec_PtrSize(p->vObjs) );
     If_DsdVecForEachObj( p->vObjs, pObj, i )
     {