From 9b15f71f2f82dfe5a222fceed135640be8cc5dfb Mon Sep 17 00:00:00 2001
From: Alan Mishchenko <alanmi@berkeley.edu>
Date: Wed, 12 Sep 2012 14:39:50 -0700
Subject: Added new command 'upsize'.

---
 src/map/scl/sclUpsize.c | 114 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 114 insertions(+)
 create mode 100644 src/map/scl/sclUpsize.c

(limited to 'src/map/scl/sclUpsize.c')

diff --git a/src/map/scl/sclUpsize.c b/src/map/scl/sclUpsize.c
new file mode 100644
index 00000000..27631d0a
--- /dev/null
+++ b/src/map/scl/sclUpsize.c
@@ -0,0 +1,114 @@
+/**CFile****************************************************************
+
+  FileName    [sclUpsize.c]
+
+  SystemName  [ABC: Logic synthesis and verification system.]
+
+  PackageName [Standard-cell library representation.]
+
+  Synopsis    [Selective increase of gate sizes.]
+
+  Author      [Alan Mishchenko, Niklas Een]
+  
+  Affiliation [UC Berkeley]
+
+  Date        [Ver. 1.0. Started - August 24, 2012.]
+
+  Revision    [$Id: sclUpsize.c,v 1.0 2012/08/24 00:00:00 alanmi Exp $]
+
+***********************************************************************/
+
+#include "sclInt.h"
+#include "sclMan.h"
+
+ABC_NAMESPACE_IMPL_START
+
+
+////////////////////////////////////////////////////////////////////////
+///                        DECLARATIONS                              ///
+////////////////////////////////////////////////////////////////////////
+
+////////////////////////////////////////////////////////////////////////
+///                     FUNCTION DEFINITIONS                         ///
+////////////////////////////////////////////////////////////////////////
+
+/**Function*************************************************************
+
+  Synopsis    [Begin by upsizing gates will many fanouts.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+int Abc_SclManUpsize( SC_Man * p, int Degree )
+{
+    SC_Cell * pOld, * pNew;
+    Abc_Obj_t * pObj;
+    int i, Count = 0;
+    Abc_NtkForEachNode1( p->pNtk, pObj, i )
+    {
+        if ( Abc_ObjFanoutNum(pObj) < Degree )
+            continue;
+        // find new gate
+        pOld = Abc_SclObjCell( p, pObj );
+        pNew = Abc_SclObjResiable( p, pObj, 1 );
+        if ( pNew == NULL )
+            continue;
+        Vec_IntWriteEntry( p->vGates, Abc_ObjId(pObj), Abc_SclCellFind(p->pLib, pNew->pName) );
+        Count++;
+    }
+    return Count;
+}
+
+
+/**Function*************************************************************
+
+  Synopsis    []
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Abc_SclUpsizingPerform( SC_Lib * pLib, Abc_Ntk_t * pNtk, int Degree, int nRange, int fVerbose )
+{
+    SC_Man * p;
+    int nUpsizes;
+
+    // prepare the manager; collect init stats
+    p = Abc_SclManStart( pLib, pNtk, 1 );
+
+    // perform upsizing
+    nUpsizes = Abc_SclManUpsize( p, Degree );
+
+    // recompute timing
+    Abc_SclTimeNtkRecompute( p, &p->SumArea, &p->MaxDelay );
+
+    // print cumulative statistics
+    printf( "Resized: %d. ",     nUpsizes );
+    printf( "Delay: " );
+    printf( "%.2f -> %.2f ps ",  SC_LibTimePs(p->pLib, p->MaxDelay0), SC_LibTimePs(p->pLib, p->MaxDelay) );
+    printf( "(%+.1f %%).  ",     100.0 * (p->MaxDelay - p->MaxDelay0)/ p->MaxDelay0 );
+    printf( "Area: " );
+    printf( "%.2f -> %.2f ",     p->SumArea0, p->SumArea );
+    printf( "(%+.1f %%).  ",     100.0 * (p->SumArea - p->SumArea0)/ p->SumArea0 );
+    Abc_PrintTime( 1, "Time",    clock() - p->clkStart );
+
+    // save the result and quit
+    Abc_SclManSetGates( pLib, pNtk, p->vGates ); // updates gate pointers
+    Abc_SclManFree( p );
+}
+
+
+////////////////////////////////////////////////////////////////////////
+///                       END OF FILE                                ///
+////////////////////////////////////////////////////////////////////////
+
+
+ABC_NAMESPACE_IMPL_END
+
-- 
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