Performance balancing command &b.

1 files changed, 74 insertions, 0 deletions

diff --git a/src/base/abci/abc.c b/src/base/abci/abc.c
index e6d492c1..0b1c6b23 100644
--- a/src/base/abci/abc.c
+++ b/src/base/abci/abc.c
@@ -350,6 +350,7 @@ static int Abc_CommandAbc9Enable             ( Abc_Frame_t * pAbc, int argc, cha
 static int Abc_CommandAbc9Dc2                ( Abc_Frame_t * pAbc, int argc, char ** argv );
 static int Abc_CommandAbc9Bidec              ( Abc_Frame_t * pAbc, int argc, char ** argv );
 static int Abc_CommandAbc9Shrink             ( Abc_Frame_t * pAbc, int argc, char ** argv );
+static int Abc_CommandAbc9Balance            ( Abc_Frame_t * pAbc, int argc, char ** argv );
 static int Abc_CommandAbc9Miter              ( Abc_Frame_t * pAbc, int argc, char ** argv );
 static int Abc_CommandAbc9Miter2             ( Abc_Frame_t * pAbc, int argc, char ** argv );
 static int Abc_CommandAbc9Append             ( Abc_Frame_t * pAbc, int argc, char ** argv );
@@ -908,6 +909,7 @@ void Abc_Init( Abc_Frame_t * pAbc )
     Cmd_CommandAdd( pAbc, "ABC9",         "&dc2",          Abc_CommandAbc9Dc2,          0 );
     Cmd_CommandAdd( pAbc, "ABC9",         "&bidec",        Abc_CommandAbc9Bidec,        0 );
     Cmd_CommandAdd( pAbc, "ABC9",         "&shrink",       Abc_CommandAbc9Shrink,       0 );
+    Cmd_CommandAdd( pAbc, "ABC9",         "&b",            Abc_CommandAbc9Balance,      0 );
     Cmd_CommandAdd( pAbc, "ABC9",         "&miter",        Abc_CommandAbc9Miter,        0 );
     Cmd_CommandAdd( pAbc, "ABC9",         "&miter2",       Abc_CommandAbc9Miter2,       0 );
     Cmd_CommandAdd( pAbc, "ABC9",         "&append",       Abc_CommandAbc9Append,       0 );
@@ -27405,6 +27407,78 @@ usage:
   SeeAlso     []
 
 ***********************************************************************/
+int Abc_CommandAbc9Balance( Abc_Frame_t * pAbc, int argc, char ** argv )
+{
+    Gia_Man_t * pTemp = NULL;
+    int c,fVerbose = 0;
+    int fSimpleAnd = 0;
+    int fKeepLevel = 0;
+    int nFanoutMax = 50;
+    Extra_UtilGetoptReset();
+    while ( ( c = Extra_UtilGetopt( argc, argv, "Nlavh" ) ) != EOF )
+    {
+        switch ( c )
+        {
+        case 'N':
+            if ( globalUtilOptind >= argc )
+            {
+                Abc_Print( -1, "Command line switch \"-N\" should be followed by a char string.\n" );
+                goto usage;
+            }
+            nFanoutMax = atoi(argv[globalUtilOptind]);
+            globalUtilOptind++;
+            if ( nFanoutMax < 0 )
+                goto usage;
+            break;
+        case 'l':
+            fKeepLevel ^= 1;
+            break;
+        case 'a':
+            fSimpleAnd ^= 1;
+            break;
+        case 'v':
+            fVerbose ^= 1;
+            break;
+        case 'h':
+            goto usage;
+        default:
+            goto usage;
+        }
+    }
+    if ( pAbc->pGia == NULL )
+    {
+        Abc_Print( -1, "Abc_CommandAbc9Balance(): There is no AIG.\n" );
+        return 1;
+    }
+    if ( Gia_ManHasMapping(pAbc->pGia) )
+    {
+        Abc_Print( -1, "Abc_CommandAbc9Balance(): The current AIG is mapped.\n" );
+        return 1;
+    }
+    pTemp = Gia_ManBalance( pAbc->pGia, fSimpleAnd, fVerbose );
+    Abc_FrameUpdateGia( pAbc, pTemp );
+    return 0;
+
+usage:
+    Abc_Print( -2, "usage: &b [-avh]\n" );
+    Abc_Print( -2, "\t         performs AIG balancing to reduce delay\n" );
+    Abc_Print( -2, "\t-a     : toggle using AND instead of AND/XOR/MUX [default = %s]\n", fSimpleAnd? "yes": "no" );
+    Abc_Print( -2, "\t-v     : toggle printing verbose information [default = %s]\n", fVerbose? "yes": "no" );
+    Abc_Print( -2, "\t-h     : print the command usage\n");
+    return 1;
+}
+
+/**Function*************************************************************
+
+  Synopsis    []
+
+  Description []
+
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
 int Abc_CommandAbc9Miter( Abc_Frame_t * pAbc, int argc, char ** argv )
 {
     FILE * pFile;