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/**CFile****************************************************************
FileName [giaShow.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [And-Inverter Graph package.]
Synopsis [AIG visualization.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - May 11, 2006.]
Revision [$Id: giaShow.c,v 1.00 2006/05/11 00:00:00 alanmi Exp $]
***********************************************************************/
#include "gia.h"
#include "proof/cec/cec.h"
#include "proof/acec/acec.h"
#include "misc/extra/extra.h"
ABC_NAMESPACE_IMPL_START
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
#define NODE_MAX 2000
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Writes the graph structure of AIG for DOT.]
Description [Useful for graph visualization using tools such as GraphViz:
http://www.graphviz.org/]
SideEffects []
SeeAlso []
***********************************************************************/
void Gia_ShowPath( Gia_Man_t * p, char * pFileName )
{
FILE * pFile;
Gia_Obj_t * pNode;
Vec_Bit_t * vPath = Vec_BitStart( Gia_ManObjNum(p) );
int i, k, iFan, LevelMax, nLevels, * pLevels, Level, Prev;
int nLuts = 0, nNodes = 0, nEdges = 0;
assert( Gia_ManHasMapping(p) );
// set critical CO drivers
nLevels = Gia_ManLutLevel( p, &pLevels );
Gia_ManForEachCoDriverId( p, iFan, i )
if ( pLevels[iFan] == nLevels )
Vec_BitWriteEntry( vPath, iFan, 1 );
// set critical internal nodes
Gia_ManForEachLutReverse( p, i )
{
nLuts++;
if ( !Vec_BitEntry(vPath, i) )
continue;
nNodes++;
Gia_LutForEachFanin( p, i, iFan, k )
{
if ( pLevels[iFan] +1 < pLevels[i] )
continue;
assert( pLevels[iFan] + 1 == pLevels[i] );
Vec_BitWriteEntry( vPath, iFan, 1 );
nEdges++;
//printf( "%d -> %d\n", i, iFan );
}
}
if ( nNodes > NODE_MAX )
{
ABC_FREE( pLevels );
Vec_BitFree( vPath );
fprintf( stdout, "Cannot visualize AIG with more than %d critical nodes.\n", NODE_MAX );
return;
}
if ( (pFile = fopen( pFileName, "w" )) == NULL )
{
ABC_FREE( pLevels );
Vec_BitFree( vPath );
fprintf( stdout, "Cannot open the intermediate file \"%s\".\n", pFileName );
return;
}
Vec_IntFreeP( &p->vLevels );
p->vLevels = Vec_IntAllocArray( pLevels, Gia_ManObjNum(p) );
// compute CO levels
LevelMax = 1 + nLevels;
Gia_ManForEachCo( p, pNode, i )
Vec_IntWriteEntry( p->vLevels, Gia_ObjId(p, pNode), LevelMax );
// write the DOT header
fprintf( pFile, "# %s\n", "AIG structure generated by GIA package" );
fprintf( pFile, "\n" );
fprintf( pFile, "digraph AIG {\n" );
fprintf( pFile, "size = \"7.5,10\";\n" );
// fprintf( pFile, "ranksep = 0.5;\n" );
// fprintf( pFile, "nodesep = 0.5;\n" );
fprintf( pFile, "center = true;\n" );
// fprintf( pFile, "orientation = landscape;\n" );
// fprintf( pFile, "edge [fontsize = 10];\n" );
// fprintf( pFile, "edge [dir = none];\n" );
fprintf( pFile, "edge [dir = back];\n" );
fprintf( pFile, "\n" );
// labels on the left of the picture
fprintf( pFile, "{\n" );
fprintf( pFile, " node [shape = plaintext];\n" );
fprintf( pFile, " edge [style = invis];\n" );
fprintf( pFile, " LevelTitle1 [label=\"\"];\n" );
fprintf( pFile, " LevelTitle2 [label=\"\"];\n" );
// generate node names with labels
for ( Level = LevelMax; Level >= 0; Level-- )
{
// the visible node name
fprintf( pFile, " Level%d", Level );
fprintf( pFile, " [label = " );
// label name
fprintf( pFile, "\"" );
fprintf( pFile, "\"" );
fprintf( pFile, "];\n" );
}
// genetate the sequence of visible/invisible nodes to mark levels
fprintf( pFile, " LevelTitle1 -> LevelTitle2 ->" );
for ( Level = LevelMax; Level >= 0; Level-- )
{
// the visible node name
fprintf( pFile, " Level%d", Level );
// the connector
if ( Level != 0 )
fprintf( pFile, " ->" );
else
fprintf( pFile, ";" );
}
fprintf( pFile, "\n" );
fprintf( pFile, "}" );
fprintf( pFile, "\n" );
fprintf( pFile, "\n" );
// generate title box on top
fprintf( pFile, "{\n" );
fprintf( pFile, " rank = same;\n" );
fprintf( pFile, " LevelTitle1;\n" );
fprintf( pFile, " title1 [shape=plaintext,\n" );
fprintf( pFile, " fontsize=20,\n" );
fprintf( pFile, " fontname = \"Times-Roman\",\n" );
fprintf( pFile, " label=\"" );
fprintf( pFile, "%s", "AIG structure visualized by ABC" );
fprintf( pFile, "\\n" );
fprintf( pFile, "Benchmark \\\"%s\\\". ", "aig" );
// fprintf( pFile, "Time was %s. ", Extra_TimeStamp() );
fprintf( pFile, "\"\n" );
fprintf( pFile, " ];\n" );
fprintf( pFile, "}" );
fprintf( pFile, "\n" );
fprintf( pFile, "\n" );
// generate statistics box
fprintf( pFile, "{\n" );
fprintf( pFile, " rank = same;\n" );
fprintf( pFile, " LevelTitle2;\n" );
fprintf( pFile, " title2 [shape=plaintext,\n" );
fprintf( pFile, " fontsize=18,\n" );
fprintf( pFile, " fontname = \"Times-Roman\",\n" );
fprintf( pFile, " label=\"" );
fprintf( pFile, "The critical path contains %d LUTs with %d critical edges and spans %d levels.", nNodes, nEdges, nLevels );
fprintf( pFile, "\\n" );
fprintf( pFile, "\"\n" );
fprintf( pFile, " ];\n" );
fprintf( pFile, "}" );
fprintf( pFile, "\n" );
fprintf( pFile, "\n" );
// generate the COs
fprintf( pFile, "{\n" );
fprintf( pFile, " rank = same;\n" );
// the labeling node of this level
fprintf( pFile, " Level%d;\n", LevelMax );
// generate the CO nodes
Gia_ManForEachCo( p, pNode, i )
{
if ( Gia_ObjLevel(p, Gia_ObjFanin0(pNode)) < nLevels )
continue;
assert( Gia_ObjLevel(p, Gia_ObjFanin0(pNode)) == nLevels );
fprintf( pFile, " Node%d [label = \"%d\"", Gia_ObjId(p, pNode), Gia_ObjId(p, pNode) );
fprintf( pFile, ", shape = %s", "invtriangle" );
fprintf( pFile, ", color = coral, fillcolor = coral" );
fprintf( pFile, "];\n" );
}
fprintf( pFile, "}" );
fprintf( pFile, "\n" );
fprintf( pFile, "\n" );
// generate nodes of each rank
for ( Level = LevelMax - 1; Level > 0; Level-- )
{
fprintf( pFile, "{\n" );
fprintf( pFile, " rank = same;\n" );
// the labeling node of this level
fprintf( pFile, " Level%d;\n", Level );
Gia_ManForEachObj( p, pNode, i )
{
if ( (int)Gia_ObjLevel(p, pNode) != Level || !Vec_BitEntry(vPath, i) )
continue;
fprintf( pFile, " Node%d [label = \"%d:%d\"", i, i, Gia_ObjIsAnd(pNode)? Gia_ObjLutSize(p, i) : 0 );
fprintf( pFile, ", shape = ellipse" );
if ( pNode->fMark0 )
fprintf( pFile, ", style = filled" );
fprintf( pFile, "];\n" );
}
fprintf( pFile, "}" );
fprintf( pFile, "\n" );
fprintf( pFile, "\n" );
}
// generate the CI nodes
fprintf( pFile, "{\n" );
fprintf( pFile, " rank = same;\n" );
// the labeling node of this level
fprintf( pFile, " Level%d;\n", 0 );
// generate the CI nodes
Gia_ManForEachCi( p, pNode, i )
{
if ( !Vec_BitEntry(vPath, Gia_ObjId(p, pNode)) )
continue;
fprintf( pFile, " Node%d [label = \"%d\"", Gia_ObjId(p, pNode), Gia_ObjId(p, pNode) );
fprintf( pFile, ", shape = %s", "triangle" );
fprintf( pFile, ", color = coral, fillcolor = coral" );
fprintf( pFile, "];\n" );
}
fprintf( pFile, "}" );
fprintf( pFile, "\n" );
fprintf( pFile, "\n" );
// generate invisible edges from the square down
fprintf( pFile, "title1 -> title2 [style = invis];\n" );
Gia_ManForEachCo( p, pNode, i )
{
if ( Gia_ObjLevel(p, Gia_ObjFanin0(pNode)) < nLevels )
continue;
fprintf( pFile, "title2 -> Node%d [style = invis];\n", Gia_ObjId(p, pNode) );
}
// generate invisible edges among the COs
Prev = -1;
Gia_ManForEachCo( p, pNode, i )
{
if ( Gia_ObjLevel(p, Gia_ObjFanin0(pNode)) < nLevels )
continue;
assert( Gia_ObjLevel(p, Gia_ObjFanin0(pNode)) == nLevels );
if ( Prev >= 0 )
fprintf( pFile, "Node%d -> Node%d [style = invis];\n", Prev, Gia_ObjId(p, pNode) );
Prev = Gia_ObjId(p, pNode);
}
// generate invisible edges among the CIs
Prev = -1;
Gia_ManForEachCi( p, pNode, i )
{
if ( !Vec_BitEntry(vPath, Gia_ObjId(p, pNode)) )
continue;
if ( Prev >= 0 )
fprintf( pFile, "Node%d -> Node%d [style = invis];\n", Prev, Gia_ObjId(p, pNode) );
Prev = Gia_ObjId(p, pNode);
}
// generate edges
Gia_ManForEachObj( p, pNode, i )
{
if ( Gia_ObjIsCo(pNode) )
{
if ( Gia_ObjLevel(p, Gia_ObjFanin0(pNode)) == nLevels )
{
// generate the edge from this node to the next
fprintf( pFile, "Node%d", i );
fprintf( pFile, " -> " );
fprintf( pFile, "Node%d", Gia_ObjFaninId0p(p, pNode) );
fprintf( pFile, " [" );
fprintf( pFile, "style = %s", "bold" );
fprintf( pFile, "]" );
fprintf( pFile, ";\n" );
}
continue;
}
if ( !Gia_ObjIsAnd(pNode) || !Vec_BitEntry(vPath, i) )
continue;
Gia_LutForEachFanin( p, i, iFan, k )
{
if ( pLevels[iFan] + 1 < pLevels[i] )
continue;
assert( pLevels[iFan] + 1 == pLevels[i] );
// generate the edge from this node to the next
fprintf( pFile, "Node%d", i );
fprintf( pFile, " -> " );
fprintf( pFile, "Node%d", iFan );
fprintf( pFile, " [" );
fprintf( pFile, "style = %s", "bold" );
fprintf( pFile, "]" );
fprintf( pFile, ";\n" );
}
}
fprintf( pFile, "}" );
fprintf( pFile, "\n" );
fprintf( pFile, "\n" );
fclose( pFile );
Vec_IntFreeP( &p->vLevels );
Vec_BitFree( vPath );
}
/**Function*************************************************************
Synopsis [Writes the graph structure of AIG for DOT.]
Description [Useful for graph visualization using tools such as GraphViz:
http://www.graphviz.org/]
SideEffects []
SeeAlso []
***********************************************************************/
void Gia_WriteDotAigSimple( Gia_Man_t * p, char * pFileName, Vec_Int_t * vBold )
{
FILE * pFile;
Gia_Obj_t * pNode;//, * pTemp, * pPrev;
int LevelMax, Prev, Level, i;
int fConstIsUsed = 0;
if ( Gia_ManAndNum(p) > NODE_MAX )
{
fprintf( stdout, "Cannot visualize AIG with more than %d nodes.\n", NODE_MAX );
return;
}
if ( (pFile = fopen( pFileName, "w" )) == NULL )
{
fprintf( stdout, "Cannot open the intermediate file \"%s\".\n", pFileName );
return;
}
// mark the nodes
if ( vBold )
Gia_ManForEachObjVec( vBold, p, pNode, i )
pNode->fMark0 = 1;
else if ( p->nXors || p->nMuxes )
Gia_ManForEachObj( p, pNode, i )
if ( Gia_ObjIsXor(pNode) || Gia_ObjIsMux(p, pNode) )
pNode->fMark0 = 1;
// compute levels
LevelMax = 1 + Gia_ManLevelNum( p );
Gia_ManForEachCo( p, pNode, i )
Vec_IntWriteEntry( p->vLevels, Gia_ObjId(p, pNode), LevelMax );
// write the DOT header
fprintf( pFile, "# %s\n", "AIG structure generated by GIA package" );
fprintf( pFile, "\n" );
fprintf( pFile, "digraph AIG {\n" );
fprintf( pFile, "size = \"7.5,10\";\n" );
// fprintf( pFile, "ranksep = 0.5;\n" );
// fprintf( pFile, "nodesep = 0.5;\n" );
fprintf( pFile, "center = true;\n" );
// fprintf( pFile, "orientation = landscape;\n" );
// fprintf( pFile, "edge [fontsize = 10];\n" );
// fprintf( pFile, "edge [dir = none];\n" );
fprintf( pFile, "edge [dir = back];\n" );
fprintf( pFile, "\n" );
// labels on the left of the picture
fprintf( pFile, "{\n" );
fprintf( pFile, " node [shape = plaintext];\n" );
fprintf( pFile, " edge [style = invis];\n" );
fprintf( pFile, " LevelTitle1 [label=\"\"];\n" );
fprintf( pFile, " LevelTitle2 [label=\"\"];\n" );
// generate node names with labels
for ( Level = LevelMax; Level >= 0; Level-- )
{
// the visible node name
fprintf( pFile, " Level%d", Level );
fprintf( pFile, " [label = " );
// label name
fprintf( pFile, "\"" );
fprintf( pFile, "\"" );
fprintf( pFile, "];\n" );
}
// genetate the sequence of visible/invisible nodes to mark levels
fprintf( pFile, " LevelTitle1 -> LevelTitle2 ->" );
for ( Level = LevelMax; Level >= 0; Level-- )
{
// the visible node name
fprintf( pFile, " Level%d", Level );
// the connector
if ( Level != 0 )
fprintf( pFile, " ->" );
else
fprintf( pFile, ";" );
}
fprintf( pFile, "\n" );
fprintf( pFile, "}" );
fprintf( pFile, "\n" );
fprintf( pFile, "\n" );
// generate title box on top
fprintf( pFile, "{\n" );
fprintf( pFile, " rank = same;\n" );
fprintf( pFile, " LevelTitle1;\n" );
fprintf( pFile, " title1 [shape=plaintext,\n" );
fprintf( pFile, " fontsize=20,\n" );
fprintf( pFile, " fontname = \"Times-Roman\",\n" );
fprintf( pFile, " label=\"" );
fprintf( pFile, "%s", "AIG structure visualized by ABC" );
fprintf( pFile, "\\n" );
fprintf( pFile, "Benchmark \\\"%s\\\". ", "aig" );
// fprintf( pFile, "Time was %s. ", Extra_TimeStamp() );
fprintf( pFile, "\"\n" );
fprintf( pFile, " ];\n" );
fprintf( pFile, "}" );
fprintf( pFile, "\n" );
fprintf( pFile, "\n" );
// generate statistics box
fprintf( pFile, "{\n" );
fprintf( pFile, " rank = same;\n" );
fprintf( pFile, " LevelTitle2;\n" );
fprintf( pFile, " title2 [shape=plaintext,\n" );
fprintf( pFile, " fontsize=18,\n" );
fprintf( pFile, " fontname = \"Times-Roman\",\n" );
fprintf( pFile, " label=\"" );
fprintf( pFile, "The AIG contains %d nodes and spans %d levels.", Gia_ManAndNum(p), LevelMax-1 );
fprintf( pFile, "\\n" );
fprintf( pFile, "\"\n" );
fprintf( pFile, " ];\n" );
fprintf( pFile, "}" );
fprintf( pFile, "\n" );
fprintf( pFile, "\n" );
// generate the COs
fprintf( pFile, "{\n" );
fprintf( pFile, " rank = same;\n" );
// the labeling node of this level
fprintf( pFile, " Level%d;\n", LevelMax );
// generate the CO nodes
Gia_ManForEachCo( p, pNode, i )
{
if ( Gia_ObjFaninId0p(p, pNode) == 0 )
fConstIsUsed = 1;
/*
if ( fHaig || pNode->pEquiv == NULL )
fprintf( pFile, " Node%d%s [label = \"%d%s\"", pNode->Id,
(Gia_ObjIsLatch(pNode)? "_in":""), pNode->Id, (Gia_ObjIsLatch(pNode)? "_in":"") );
else
fprintf( pFile, " Node%d%s [label = \"%d%s(%d%s)\"", pNode->Id,
(Gia_ObjIsLatch(pNode)? "_in":""), pNode->Id, (Gia_ObjIsLatch(pNode)? "_in":""),
Gia_Regular(pNode->pEquiv)->Id, Gia_IsComplement(pNode->pEquiv)? "\'":"" );
*/
fprintf( pFile, " Node%d [label = \"%d\"", Gia_ObjId(p, pNode), Gia_ObjId(p, pNode) );
fprintf( pFile, ", shape = %s", "invtriangle" );
fprintf( pFile, ", color = coral, fillcolor = coral" );
fprintf( pFile, "];\n" );
}
fprintf( pFile, "}" );
fprintf( pFile, "\n" );
fprintf( pFile, "\n" );
// generate nodes of each rank
for ( Level = LevelMax - 1; Level > 0; Level-- )
{
fprintf( pFile, "{\n" );
fprintf( pFile, " rank = same;\n" );
// the labeling node of this level
fprintf( pFile, " Level%d;\n", Level );
Gia_ManForEachObj( p, pNode, i )
{
if ( (int)Gia_ObjLevel(p, pNode) != Level )
continue;
/*
if ( fHaig || pNode->pEquiv == NULL )
fprintf( pFile, " Node%d [label = \"%d\"", pNode->Id, pNode->Id );
else
fprintf( pFile, " Node%d [label = \"%d(%d%s)\"", pNode->Id, pNode->Id,
Gia_Regular(pNode->pEquiv)->Id, Gia_IsComplement(pNode->pEquiv)? "\'":"" );
*/
fprintf( pFile, " Node%d [label = \"%d\"", i, i );
if ( Gia_ObjIsXor(pNode) )
fprintf( pFile, ", shape = doublecircle" );
else if ( Gia_ObjIsMux(p, pNode) )
fprintf( pFile, ", shape = trapezium" );
else
fprintf( pFile, ", shape = ellipse" );
if ( pNode->fMark0 )
fprintf( pFile, ", style = filled" );
fprintf( pFile, "];\n" );
}
fprintf( pFile, "}" );
fprintf( pFile, "\n" );
fprintf( pFile, "\n" );
}
// generate the CI nodes
fprintf( pFile, "{\n" );
fprintf( pFile, " rank = same;\n" );
// the labeling node of this level
fprintf( pFile, " Level%d;\n", 0 );
// generate constant node
if ( fConstIsUsed )
{
// check if the costant node is present
fprintf( pFile, " Node%d [label = \"Const0\"", 0 );
fprintf( pFile, ", shape = ellipse" );
fprintf( pFile, ", color = coral, fillcolor = coral" );
fprintf( pFile, "];\n" );
}
// generate the CI nodes
Gia_ManForEachCi( p, pNode, i )
{
/*
if ( fHaig || pNode->pEquiv == NULL )
fprintf( pFile, " Node%d%s [label = \"%d%s\"", pNode->Id,
(Gia_ObjIsLatch(pNode)? "_out":""), pNode->Id, (Gia_ObjIsLatch(pNode)? "_out":"") );
else
fprintf( pFile, " Node%d%s [label = \"%d%s(%d%s)\"", pNode->Id,
(Gia_ObjIsLatch(pNode)? "_out":""), pNode->Id, (Gia_ObjIsLatch(pNode)? "_out":""),
Gia_Regular(pNode->pEquiv)->Id, Gia_IsComplement(pNode->pEquiv)? "\'":"" );
*/
fprintf( pFile, " Node%d [label = \"%d\"", Gia_ObjId(p, pNode), Gia_ObjId(p, pNode) );
fprintf( pFile, ", shape = %s", "triangle" );
fprintf( pFile, ", color = coral, fillcolor = coral" );
fprintf( pFile, "];\n" );
}
fprintf( pFile, "}" );
fprintf( pFile, "\n" );
fprintf( pFile, "\n" );
// generate invisible edges from the square down
fprintf( pFile, "title1 -> title2 [style = invis];\n" );
Gia_ManForEachCo( p, pNode, i )
fprintf( pFile, "title2 -> Node%d [style = invis];\n", Gia_ObjId(p, pNode) );
// generate invisible edges among the COs
Prev = -1;
Gia_ManForEachCo( p, pNode, i )
{
if ( i > 0 )
fprintf( pFile, "Node%d -> Node%d [style = invis];\n", Prev, Gia_ObjId(p, pNode) );
Prev = Gia_ObjId(p, pNode);
}
// generate invisible edges among the CIs
Prev = -1;
Gia_ManForEachCi( p, pNode, i )
{
if ( i > 0 )
fprintf( pFile, "Node%d -> Node%d [style = invis];\n", Prev, Gia_ObjId(p, pNode) );
Prev = Gia_ObjId(p, pNode);
}
// generate edges
Gia_ManForEachObj( p, pNode, i )
{
if ( !Gia_ObjIsAnd(pNode) && !Gia_ObjIsCo(pNode) && !Gia_ObjIsBuf(pNode) )
continue;
// generate the edge from this node to the next
fprintf( pFile, "Node%d", i );
fprintf( pFile, " -> " );
fprintf( pFile, "Node%d", Gia_ObjFaninId0(pNode, i) );
fprintf( pFile, " [" );
fprintf( pFile, "style = %s", Gia_ObjFaninC0(pNode)? "dotted" : "bold" );
// if ( Gia_NtkIsSeq(pNode->p) && Seq_ObjFaninL0(pNode) > 0 )
// fprintf( pFile, ", label = \"%s\"", Seq_ObjFaninGetInitPrintable(pNode,0) );
fprintf( pFile, "]" );
fprintf( pFile, ";\n" );
if ( !Gia_ObjIsAnd(pNode) )
continue;
// generate the edge from this node to the next
fprintf( pFile, "Node%d", i );
fprintf( pFile, " -> " );
fprintf( pFile, "Node%d", Gia_ObjFaninId1(pNode, i) );
fprintf( pFile, " [" );
fprintf( pFile, "style = %s", Gia_ObjFaninC1(pNode)? "dotted" : "bold" );
// if ( Gia_NtkIsSeq(pNode->p) && Seq_ObjFaninL1(pNode) > 0 )
// fprintf( pFile, ", label = \"%s\"", Seq_ObjFaninGetInitPrintable(pNode,1) );
fprintf( pFile, "]" );
fprintf( pFile, ";\n" );
if ( !Gia_ObjIsMux(p, pNode) )
continue;
// generate the edge from this node to the next
fprintf( pFile, "Node%d", i );
fprintf( pFile, " -> " );
fprintf( pFile, "Node%d", Gia_ObjFaninId2(p, i) );
fprintf( pFile, " [" );
fprintf( pFile, "style = %s", Gia_ObjFaninC2(p, pNode)? "dotted" : "bold" );
// if ( Gia_NtkIsSeq(pNode->p) && Seq_ObjFaninL1(pNode) > 0 )
// fprintf( pFile, ", label = \"%s\"", Seq_ObjFaninGetInitPrintable(pNode,1) );
fprintf( pFile, "]" );
fprintf( pFile, ";\n" );
/*
// generate the edges between the equivalent nodes
if ( fHaig && pNode->pEquiv && Gia_ObjRefs(pNode) > 0 )
{
pPrev = pNode;
for ( pTemp = pNode->pEquiv; pTemp != pNode; pTemp = Gia_Regular(pTemp->pEquiv) )
{
fprintf( pFile, "Node%d", pPrev->Id );
fprintf( pFile, " -> " );
fprintf( pFile, "Node%d", pTemp->Id );
fprintf( pFile, " [style = %s]", Gia_IsComplement(pTemp->pEquiv)? "dotted" : "bold" );
fprintf( pFile, ";\n" );
pPrev = pTemp;
}
// connect the last node with the first
fprintf( pFile, "Node%d", pPrev->Id );
fprintf( pFile, " -> " );
fprintf( pFile, "Node%d", pNode->Id );
fprintf( pFile, " [style = %s]", Gia_IsComplement(pPrev->pEquiv)? "dotted" : "bold" );
fprintf( pFile, ";\n" );
}
*/
}
fprintf( pFile, "}" );
fprintf( pFile, "\n" );
fprintf( pFile, "\n" );
fclose( pFile );
// unmark nodes
if ( vBold )
Gia_ManForEachObjVec( vBold, p, pNode, i )
pNode->fMark0 = 0;
else if ( p->nXors || p->nMuxes )
Gia_ManCleanMark0( p );
Vec_IntFreeP( &p->vLevels );
}
/**Function*************************************************************
Synopsis [Writes the graph structure of AIG for DOT.]
Description [Useful for graph visualization using tools such as GraphViz:
http://www.graphviz.org/]
SideEffects []
SeeAlso []
***********************************************************************/
int Gia_ShowAddOut( Vec_Int_t * vAdds, Vec_Int_t * vMapAdds, int Node )
{
int iBox = Vec_IntEntry( vMapAdds, Node );
if ( iBox >= 0 )
return Vec_IntEntry( vAdds, 6*iBox+4 );
return Node;
}
void Gia_WriteDotAig( Gia_Man_t * p, char * pFileName, Vec_Int_t * vBold, Vec_Int_t * vAdds, Vec_Int_t * vXors, Vec_Int_t * vMapAdds, Vec_Int_t * vMapXors, Vec_Int_t * vOrder )
{
FILE * pFile;
Gia_Obj_t * pNode;//, * pTemp, * pPrev;
int LevelMax, Prev, Level, i;
int fConstIsUsed = 0;
int nFadds = Ree_ManCountFadds( vAdds );
if ( Gia_ManAndNum(p) > NODE_MAX )
{
fprintf( stdout, "Cannot visualize AIG with more than %d nodes.\n", NODE_MAX );
return;
}
if ( (pFile = fopen( pFileName, "w" )) == NULL )
{
fprintf( stdout, "Cannot open the intermediate file \"%s\".\n", pFileName );
return;
}
// mark the nodes
if ( vBold )
Gia_ManForEachObjVec( vBold, p, pNode, i )
pNode->fMark0 = 1;
// compute levels
LevelMax = 1 + p->nLevels;
Gia_ManForEachCo( p, pNode, i )
Vec_IntWriteEntry( p->vLevels, Gia_ObjId(p, pNode), LevelMax );
// write the DOT header
fprintf( pFile, "# %s\n", "AIG structure generated by GIA package" );
fprintf( pFile, "\n" );
fprintf( pFile, "digraph AIG {\n" );
fprintf( pFile, "size = \"7.5,10\";\n" );
// fprintf( pFile, "ranksep = 0.5;\n" );
// fprintf( pFile, "nodesep = 0.5;\n" );
fprintf( pFile, "center = true;\n" );
// fprintf( pFile, "orientation = landscape;\n" );
// fprintf( pFile, "edge [fontsize = 10];\n" );
// fprintf( pFile, "edge [dir = none];\n" );
fprintf( pFile, "edge [dir = back];\n" );
fprintf( pFile, "\n" );
// labels on the left of the picture
fprintf( pFile, "{\n" );
fprintf( pFile, " node [shape = plaintext];\n" );
fprintf( pFile, " edge [style = invis];\n" );
fprintf( pFile, " LevelTitle1 [label=\"\"];\n" );
fprintf( pFile, " LevelTitle2 [label=\"\"];\n" );
// generate node names with labels
for ( Level = LevelMax; Level >= 0; Level-- )
{
// the visible node name
fprintf( pFile, " Level%d", Level );
fprintf( pFile, " [label = " );
// label name
fprintf( pFile, "\"" );
fprintf( pFile, "\"" );
fprintf( pFile, "];\n" );
}
// genetate the sequence of visible/invisible nodes to mark levels
fprintf( pFile, " LevelTitle1 -> LevelTitle2 ->" );
for ( Level = LevelMax; Level >= 0; Level-- )
{
// the visible node name
fprintf( pFile, " Level%d", Level );
// the connector
if ( Level != 0 )
fprintf( pFile, " ->" );
else
fprintf( pFile, ";" );
}
fprintf( pFile, "\n" );
fprintf( pFile, "}" );
fprintf( pFile, "\n" );
fprintf( pFile, "\n" );
// generate title box on top
fprintf( pFile, "{\n" );
fprintf( pFile, " rank = same;\n" );
fprintf( pFile, " LevelTitle1;\n" );
fprintf( pFile, " title1 [shape=plaintext,\n" );
fprintf( pFile, " fontsize=20,\n" );
fprintf( pFile, " fontname = \"Times-Roman\",\n" );
fprintf( pFile, " label=\"" );
fprintf( pFile, "%s", "AIG structure visualized by ABC" );
fprintf( pFile, "\\n" );
fprintf( pFile, "Benchmark \\\"%s\\\". ", "aig" );
// fprintf( pFile, "Time was %s. ", Extra_TimeStamp() );
fprintf( pFile, "\"\n" );
fprintf( pFile, " ];\n" );
fprintf( pFile, "}" );
fprintf( pFile, "\n" );
fprintf( pFile, "\n" );
// generate statistics box
fprintf( pFile, "{\n" );
fprintf( pFile, " rank = same;\n" );
fprintf( pFile, " LevelTitle2;\n" );
fprintf( pFile, " title2 [shape=plaintext,\n" );
fprintf( pFile, " fontsize=18,\n" );
fprintf( pFile, " fontname = \"Times-Roman\",\n" );
fprintf( pFile, " label=\"" );
fprintf( pFile, "The AIG contains %d nodes, %d full-adders, and %d half-adders, and spans %d levels.",
Gia_ManAndNum(p), nFadds, Vec_IntSize(vAdds)/6-nFadds, LevelMax-1 );
fprintf( pFile, "\\n" );
fprintf( pFile, "\"\n" );
fprintf( pFile, " ];\n" );
fprintf( pFile, "}" );
fprintf( pFile, "\n" );
fprintf( pFile, "\n" );
// generate the COs
fprintf( pFile, "{\n" );
fprintf( pFile, " rank = same;\n" );
// the labeling node of this level
fprintf( pFile, " Level%d;\n", LevelMax );
// generate the CO nodes
Gia_ManForEachCo( p, pNode, i )
{
if ( Gia_ObjFaninId0p(p, pNode) == 0 )
fConstIsUsed = 1;
fprintf( pFile, " Node%d [label = \"%d\"", Gia_ObjId(p, pNode), Gia_ObjId(p, pNode) );
fprintf( pFile, ", shape = %s", "invtriangle" );
fprintf( pFile, ", color = coral, fillcolor = coral" );
fprintf( pFile, "];\n" );
}
fprintf( pFile, "}" );
fprintf( pFile, "\n" );
fprintf( pFile, "\n" );
// generate nodes of each rank
for ( Level = LevelMax - 1; Level > 0; Level-- )
{
fprintf( pFile, "{\n" );
fprintf( pFile, " rank = same;\n" );
// the labeling node of this level
fprintf( pFile, " Level%d;\n", Level );
Gia_ManForEachObjVec( vOrder, p, pNode, i )
{
int iNode = Gia_ObjId( p, pNode );
if ( (int)Gia_ObjLevel(p, pNode) != Level )
continue;
/*
fprintf( pFile, " Node%d [label = \"%d\"", Gia_ObjId(p, pNode), Gia_ObjId(p, pNode) );
if ( Gia_ObjIsXor(pNode) )
fprintf( pFile, ", shape = doublecircle" );
else if ( Gia_ObjIsMux(p, pNode) )
fprintf( pFile, ", shape = trapezium" );
else
fprintf( pFile, ", shape = ellipse" );
*/
if ( !pNode->fMark0 && Vec_IntEntry(vMapAdds, iNode) >= 0 )
{
int iBox = Vec_IntEntry(vMapAdds, iNode);
fprintf( pFile, " Node%d [label = \"%d_%d\"", Gia_ShowAddOut(vAdds, vMapAdds, iNode), Vec_IntEntry(vAdds, 6*iBox+3), Vec_IntEntry(vAdds, 6*iBox+4) );
if ( Vec_IntEntry(vAdds, 6*iBox+2) == 0 )
fprintf( pFile, ", shape = octagon" );
else
fprintf( pFile, ", shape = doubleoctagon" );
}
else if ( Vec_IntEntry(vMapXors, iNode) >= 0 )
{
fprintf( pFile, " Node%d [label = \"%d\"", iNode, iNode );
fprintf( pFile, ", shape = doublecircle" );
}
else if ( Gia_ObjIsXor(pNode) )
{
fprintf( pFile, " Node%d [label = \"%d\"", iNode, iNode );
fprintf( pFile, ", shape = doublecircle" );
}
else if ( Gia_ObjIsMux(p, pNode) )
{
fprintf( pFile, " Node%d [label = \"%d\"", iNode, iNode );
fprintf( pFile, ", shape = trapezium" );
}
else
{
fprintf( pFile, " Node%d [label = \"%d\"", iNode, iNode );
fprintf( pFile, ", shape = ellipse" );
}
if ( pNode->fMark0 )
fprintf( pFile, ", style = filled" );
fprintf( pFile, "];\n" );
}
fprintf( pFile, "}" );
fprintf( pFile, "\n" );
fprintf( pFile, "\n" );
}
// generate the CI nodes
fprintf( pFile, "{\n" );
fprintf( pFile, " rank = same;\n" );
// the labeling node of this level
fprintf( pFile, " Level%d;\n", 0 );
// generate constant node
if ( fConstIsUsed )
{
// check if the costant node is present
fprintf( pFile, " Node%d [label = \"Const0\"", 0 );
fprintf( pFile, ", shape = ellipse" );
fprintf( pFile, ", color = coral, fillcolor = coral" );
fprintf( pFile, "];\n" );
}
// generate the CI nodes
Gia_ManForEachCi( p, pNode, i )
{
fprintf( pFile, " Node%d [label = \"%d\"", Gia_ObjId(p, pNode), Gia_ObjId(p, pNode) );
fprintf( pFile, ", shape = %s", "triangle" );
fprintf( pFile, ", color = coral, fillcolor = coral" );
fprintf( pFile, "];\n" );
}
fprintf( pFile, "}" );
fprintf( pFile, "\n" );
fprintf( pFile, "\n" );
// generate invisible edges from the square down
fprintf( pFile, "title1 -> title2 [style = invis];\n" );
Gia_ManForEachCo( p, pNode, i )
fprintf( pFile, "title2 -> Node%d [style = invis];\n", Gia_ObjId(p, pNode) );
// generate invisible edges among the COs
Prev = -1;
Gia_ManForEachCo( p, pNode, i )
{
if ( i > 0 )
fprintf( pFile, "Node%d -> Node%d [style = invis];\n", Prev, Gia_ObjId(p, pNode) );
Prev = Gia_ObjId(p, pNode);
}
// generate invisible edges among the CIs
Prev = -1;
Gia_ManForEachCi( p, pNode, i )
{
if ( i > 0 )
fprintf( pFile, "Node%d -> Node%d [style = invis];\n", Prev, Gia_ObjId(p, pNode) );
Prev = Gia_ObjId(p, pNode);
}
// generate edges
Gia_ManForEachCo( p, pNode, i )
{
int iNode = Gia_ObjId( p, pNode );
fprintf( pFile, "Node%d", iNode );
fprintf( pFile, " -> " );
fprintf( pFile, "Node%d", Gia_ShowAddOut(vAdds, vMapAdds, Gia_ObjFaninId0(pNode, iNode)) );
fprintf( pFile, " [" );
fprintf( pFile, "style = %s", Gia_ObjFaninC0(pNode)? "dotted" : "bold" );
fprintf( pFile, "]" );
fprintf( pFile, ";\n" );
}
Gia_ManForEachObjVec( vOrder, p, pNode, i )
{
int iNode = Gia_ObjId( p, pNode );
if ( Vec_IntEntry(vMapAdds, Gia_ObjId(p, pNode)) >= 0 )
{
int k, iBox = Vec_IntEntry(vMapAdds, iNode);
for ( k = 0; k < 3; k++ )
if ( Vec_IntEntry(vAdds, 6*iBox+k) )
{
fprintf( pFile, "Node%d", Gia_ShowAddOut(vAdds, vMapAdds, iNode) );
fprintf( pFile, " -> " );
fprintf( pFile, "Node%d", Gia_ShowAddOut(vAdds, vMapAdds, Vec_IntEntry(vAdds, 6*iBox+k)) );
fprintf( pFile, " [" );
fprintf( pFile, "style = %s", 0? "dotted" : "bold" );
fprintf( pFile, "]" );
fprintf( pFile, ";\n" );
}
continue;
}
if ( Vec_IntEntry(vMapXors, Gia_ObjId(p, pNode)) >= 0 )
{
int k, iXor = Vec_IntEntry(vMapXors, iNode);
for ( k = 1; k < 4; k++ )
if ( Vec_IntEntry(vXors, 4*iXor+k) )
{
fprintf( pFile, "Node%d", iNode );
fprintf( pFile, " -> " );
fprintf( pFile, "Node%d", Gia_ShowAddOut(vAdds, vMapAdds, Vec_IntEntry(vXors, 4*iXor+k)) );
fprintf( pFile, " [" );
fprintf( pFile, "style = %s", 0? "dotted" : "bold" );
fprintf( pFile, "]" );
fprintf( pFile, ";\n" );
}
continue;
}
// generate the edge from this node to the next
fprintf( pFile, "Node%d", iNode );
fprintf( pFile, " -> " );
fprintf( pFile, "Node%d", Gia_ShowAddOut(vAdds, vMapAdds, Gia_ObjFaninId0(pNode, iNode)) );
fprintf( pFile, " [" );
fprintf( pFile, "style = %s", Gia_ObjFaninC0(pNode)? "dotted" : "bold" );
fprintf( pFile, "]" );
fprintf( pFile, ";\n" );
if ( !Gia_ObjIsAnd(pNode) )
continue;
// generate the edge from this node to the next
fprintf( pFile, "Node%d", iNode );
fprintf( pFile, " -> " );
fprintf( pFile, "Node%d", Gia_ShowAddOut(vAdds, vMapAdds, Gia_ObjFaninId1(pNode, iNode)) );
fprintf( pFile, " [" );
fprintf( pFile, "style = %s", Gia_ObjFaninC1(pNode)? "dotted" : "bold" );
fprintf( pFile, "]" );
fprintf( pFile, ";\n" );
if ( !Gia_ObjIsMux(p, pNode) )
continue;
// generate the edge from this node to the next
fprintf( pFile, "Node%d", iNode );
fprintf( pFile, " -> " );
fprintf( pFile, "Node%d", Gia_ShowAddOut(vAdds, vMapAdds, Gia_ObjFaninId2(p, iNode)) );
fprintf( pFile, " [" );
fprintf( pFile, "style = %s", Gia_ObjFaninC2(p, pNode)? "dotted" : "bold" );
fprintf( pFile, "]" );
fprintf( pFile, ";\n" );
}
fprintf( pFile, "}" );
fprintf( pFile, "\n" );
fprintf( pFile, "\n" );
fclose( pFile );
// unmark nodes
if ( vBold )
Gia_ManForEachObjVec( vBold, p, pNode, i )
pNode->fMark0 = 0;
Vec_IntFreeP( &p->vLevels );
}
/**Function*************************************************************
Synopsis [Returns DFS ordered array of objects and their levels.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Vec_Int_t * Gia_ShowMapAdds( Gia_Man_t * p, Vec_Int_t * vAdds, int fFadds, Vec_Int_t * vBold )
{
Vec_Bit_t * vIsBold = Vec_BitStart( Gia_ManObjNum(p) );
Vec_Int_t * vMapAdds = Vec_IntStartFull( Gia_ManObjNum(p) ); int i, Entry;
if ( vBold )
Vec_IntForEachEntry( vBold, Entry, i )
Vec_BitWriteEntry( vIsBold, Entry, 1 );
for ( i = 0; 6*i < Vec_IntSize(vAdds); i++ )
{
if ( fFadds && Vec_IntEntry(vAdds, 6*i+2) == 0 )
continue;
if ( Vec_BitEntry(vIsBold, Vec_IntEntry(vAdds, 6*i+3)) || Vec_BitEntry(vIsBold, Vec_IntEntry(vAdds, 6*i+4)) )
continue;
Vec_IntWriteEntry( vMapAdds, Vec_IntEntry(vAdds, 6*i+3), i );
Vec_IntWriteEntry( vMapAdds, Vec_IntEntry(vAdds, 6*i+4), i );
}
Vec_BitFree( vIsBold );
return vMapAdds;
}
Vec_Int_t * Gia_ShowMapXors( Gia_Man_t * p, Vec_Int_t * vXors )
{
Vec_Int_t * vMapXors = Vec_IntStartFull( Gia_ManObjNum(p) ); int i;
for ( i = 0; 4*i < Vec_IntSize(vXors); i++ )
Vec_IntWriteEntry( vMapXors, Vec_IntEntry(vXors, 4*i), i );
return vMapXors;
}
int Gia_ShowCollectObjs_rec( Gia_Man_t * p, Gia_Obj_t * pObj, Vec_Int_t * vAdds, Vec_Int_t * vXors, Vec_Int_t * vMapAdds, Vec_Int_t * vMapXors, Vec_Int_t * vOrder )
{
int Level0, Level1, Level2 = 0, Level = 0;
if ( Gia_ObjIsTravIdCurrent(p, pObj) )
return Gia_ObjLevel(p, pObj);
Gia_ObjSetTravIdCurrent(p, pObj);
if ( Gia_ObjIsCi(pObj) )
return 0;
if ( Vec_IntEntry(vMapAdds, Gia_ObjId(p, pObj)) >= 0 )
{
int iBox = Vec_IntEntry(vMapAdds, Gia_ObjId(p, pObj));
Gia_ObjSetTravIdCurrentId(p, Vec_IntEntry(vAdds, 6*iBox+3) );
Gia_ObjSetTravIdCurrentId(p, Vec_IntEntry(vAdds, 6*iBox+4) );
Level0 = Gia_ShowCollectObjs_rec( p, Gia_ManObj( p, Vec_IntEntry(vAdds, 6*iBox+0) ), vAdds, vXors, vMapAdds, vMapXors, vOrder );
Level1 = Gia_ShowCollectObjs_rec( p, Gia_ManObj( p, Vec_IntEntry(vAdds, 6*iBox+1) ), vAdds, vXors, vMapAdds, vMapXors, vOrder );
if ( Vec_IntEntry(vAdds, 6*iBox+2) )
Level2 = Gia_ShowCollectObjs_rec( p, Gia_ManObj( p, Vec_IntEntry(vAdds, 6*iBox+2) ), vAdds, vXors, vMapAdds, vMapXors, vOrder );
Level = 1 + Abc_MaxInt( Abc_MaxInt(Level0, Level1), Level2 );
Gia_ObjSetLevelId( p, Vec_IntEntry(vAdds, 6*iBox+3), Level );
Gia_ObjSetLevelId( p, Vec_IntEntry(vAdds, 6*iBox+4), Level );
pObj = Gia_ManObj( p, Vec_IntEntry(vAdds, 6*iBox+4) );
}
else if ( Vec_IntEntry(vMapXors, Gia_ObjId(p, pObj)) >= 0 )
{
int iXor = Vec_IntEntry(vMapXors, Gia_ObjId(p, pObj));
Level0 = Gia_ShowCollectObjs_rec( p, Gia_ManObj( p, Vec_IntEntry(vXors, 4*iXor+1) ), vAdds, vXors, vMapAdds, vMapXors, vOrder );
Level1 = Gia_ShowCollectObjs_rec( p, Gia_ManObj( p, Vec_IntEntry(vXors, 4*iXor+2) ), vAdds, vXors, vMapAdds, vMapXors, vOrder );
if ( Vec_IntEntry(vXors, 4*iXor+3) )
Level2 = Gia_ShowCollectObjs_rec( p, Gia_ManObj( p, Vec_IntEntry(vXors, 4*iXor+3) ), vAdds, vXors, vMapAdds, vMapXors, vOrder );
Level = 1 + Abc_MaxInt( Abc_MaxInt(Level0, Level1), Level2 );
Gia_ObjSetLevel( p, pObj, Level );
}
else
{
assert( !Gia_ObjIsMux(p, pObj) );
Level0 = Gia_ShowCollectObjs_rec( p, Gia_ObjFanin0(pObj), vAdds, vXors, vMapAdds, vMapXors, vOrder );
Level1 = Gia_ShowCollectObjs_rec( p, Gia_ObjFanin1(pObj), vAdds, vXors, vMapAdds, vMapXors, vOrder );
Level = 1 + Abc_MaxInt(Level0, Level1);
Gia_ObjSetLevel( p, pObj, Level );
}
Vec_IntPush( vOrder, Gia_ObjId(p, pObj) );
p->nLevels = Abc_MaxInt( p->nLevels, Level );
return Level;
}
Vec_Int_t * Gia_ShowCollectObjs( Gia_Man_t * p, Vec_Int_t * vAdds, Vec_Int_t * vXors, Vec_Int_t * vMapAdds, Vec_Int_t * vMapXors )
{
Gia_Obj_t * pObj; int i;
Vec_Int_t * vOrder = Vec_IntAlloc( 100 );
Gia_ManCleanLevels( p, Gia_ManObjNum(p) );
p->nLevels = 0;
Gia_ManIncrementTravId( p );
Gia_ObjSetTravIdCurrent(p, Gia_ManConst0(p));
Gia_ManForEachCi( p, pObj, i )
Gia_ObjSetTravIdCurrent(p, pObj);
Gia_ManForEachCo( p, pObj, i )
Gia_ShowCollectObjs_rec( p, Gia_ObjFanin0(pObj), vAdds, vXors, vMapAdds, vMapXors, vOrder );
return vOrder;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Gia_ShowProcess( Gia_Man_t * p, char * pFileName, Vec_Int_t * vBold, Vec_Int_t * vAdds, Vec_Int_t * vXors, int fFadds )
{
Vec_Int_t * vMapAdds = Gia_ShowMapAdds( p, vAdds, fFadds, vBold );
Vec_Int_t * vMapXors = Gia_ShowMapXors( p, vXors );
Vec_Int_t * vOrder = Gia_ShowCollectObjs( p, vAdds, vXors, vMapAdds, vMapXors );
Gia_WriteDotAig( p, pFileName, vBold, vAdds, vXors, vMapAdds, vMapXors, vOrder );
Vec_IntFree( vMapAdds );
Vec_IntFree( vMapXors );
Vec_IntFree( vOrder );
}
void Gia_ManShow( Gia_Man_t * pMan, Vec_Int_t * vBold, int fAdders, int fFadds, int fPath )
{
extern void Abc_ShowFile( char * FileNameDot );
char FileNameDot[200];
FILE * pFile;
Vec_Int_t * vXors = NULL, * vAdds = fAdders ? Ree_ManComputeCuts( pMan, &vXors, 0 ) : NULL;
sprintf( FileNameDot, "%s", Extra_FileNameGenericAppend(pMan->pName, ".dot") );
// check that the file can be opened
if ( (pFile = fopen( FileNameDot, "w" )) == NULL )
{
fprintf( stdout, "Cannot open the intermediate file \"%s\".\n", FileNameDot );
return;
}
fclose( pFile );
// generate the file
if ( fPath )
Gia_ShowPath( pMan, FileNameDot );
else if ( fAdders )
Gia_ShowProcess( pMan, FileNameDot, vBold, vAdds, vXors, fFadds );
else
Gia_WriteDotAigSimple( pMan, FileNameDot, vBold );
// visualize the file
Abc_ShowFile( FileNameDot );
Vec_IntFreeP( &vAdds );
Vec_IntFreeP( &vXors );
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
ABC_NAMESPACE_IMPL_END
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