1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
|
/**CFile****************************************************************
FileName [nwkMan.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Logic network representation.]
Synopsis [Network manager.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 20, 2005.]
Revision [$Id: nwkMan.c,v 1.1 2008/10/10 14:09:30 mjarvin Exp $]
***********************************************************************/
#include "nwk.h"
ABC_NAMESPACE_IMPL_START
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Allocates the manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Nwk_Man_t * Nwk_ManAlloc()
{
Nwk_Man_t * p;
p = ABC_ALLOC( Nwk_Man_t, 1 );
memset( p, 0, sizeof(Nwk_Man_t) );
p->vCis = Vec_PtrAlloc( 1000 );
p->vCos = Vec_PtrAlloc( 1000 );
p->vObjs = Vec_PtrAlloc( 1000 );
p->vTemp = Vec_PtrAlloc( 1000 );
p->nFanioPlus = 2;
p->pMemObjs = Aig_MmFlexStart();
p->pManHop = Hop_ManStart();
return p;
}
/**Function*************************************************************
Synopsis [Deallocates the manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Nwk_ManFree( Nwk_Man_t * p )
{
// printf( "The number of realloced nodes = %d.\n", p->nRealloced );
if ( p->pName ) ABC_FREE( p->pName );
if ( p->pSpec ) ABC_FREE( p->pSpec );
if ( p->vCis ) Vec_PtrFree( p->vCis );
if ( p->vCos ) Vec_PtrFree( p->vCos );
if ( p->vObjs ) Vec_PtrFree( p->vObjs );
if ( p->vTemp ) Vec_PtrFree( p->vTemp );
if ( p->pManTime ) Tim_ManStop( p->pManTime );
if ( p->pMemObjs ) Aig_MmFlexStop( p->pMemObjs, 0 );
if ( p->pManHop ) Hop_ManStop( p->pManHop );
ABC_FREE( p );
}
/**Function*************************************************************
Synopsis [Prints stats of the manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Nwk_ManPrintLutSizes( Nwk_Man_t * p, If_LibLut_t * pLutLib )
{
Nwk_Obj_t * pObj;
int i, Counters[256] = {0};
Nwk_ManForEachNode( p, pObj, i )
Counters[Nwk_ObjFaninNum(pObj)]++;
printf( "LUTs by size: " );
for ( i = 0; i <= pLutLib->LutMax; i++ )
printf( "%d:%d ", i, Counters[i] );
}
/**Function*************************************************************
Synopsis [If the network is best, saves it in "best.blif" and returns 1.]
Description [If the networks are incomparable, saves the new network,
returns its parameters in the internal parameter structure, and returns 1.
If the new network is not a logic network, quits without saving and returns 0.]
SideEffects []
SeeAlso []
***********************************************************************/
int Nwk_ManCompareAndSaveBest( Nwk_Man_t * pNtk, void * pNtl )
{
// extern void Ntl_WriteBlifLogic( Nwk_Man_t * pNtk, void * pNtl, char * pFileName );
extern void Nwk_ManDumpBlif( Nwk_Man_t * pNtk, char * pFileName, Vec_Ptr_t * vPiNames, Vec_Ptr_t * vPoNames );
static struct ParStruct {
char * pName; // name of the best saved network
int Depth; // depth of the best saved network
int Flops; // flops in the best saved network
int Nodes; // nodes in the best saved network
int nPis; // the number of primary inputs
int nPos; // the number of primary outputs
} ParsNew, ParsBest = { 0 };
// free storage for the name
if ( pNtk == NULL )
{
ABC_FREE( ParsBest.pName );
return 0;
}
// get the parameters
ParsNew.Depth = Nwk_ManLevel( pNtk );
ParsNew.Flops = Nwk_ManLatchNum( pNtk );
ParsNew.Nodes = Nwk_ManNodeNum( pNtk );
ParsNew.nPis = Nwk_ManPiNum( pNtk );
ParsNew.nPos = Nwk_ManPoNum( pNtk );
// reset the parameters if the network has the same name
if ( ParsBest.pName == NULL ||
strcmp(ParsBest.pName, pNtk->pName) ||
ParsBest.Depth > ParsNew.Depth ||
(ParsBest.Depth == ParsNew.Depth && ParsBest.Flops > ParsNew.Flops) ||
(ParsBest.Depth == ParsNew.Depth && ParsBest.Flops == ParsNew.Flops && ParsBest.Nodes > ParsNew.Nodes) )
{
ABC_FREE( ParsBest.pName );
ParsBest.pName = Abc_UtilStrsav( pNtk->pName );
ParsBest.Depth = ParsNew.Depth;
ParsBest.Flops = ParsNew.Flops;
ParsBest.Nodes = ParsNew.Nodes;
ParsBest.nPis = ParsNew.nPis;
ParsBest.nPos = ParsNew.nPos;
// write the network
// Ntl_WriteBlifLogic( pNtk, pNtl, "best.blif" );
// Nwk_ManDumpBlif( pNtk, "best_map.blif", NULL, NULL );
return 1;
}
return 0;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
char * Nwk_FileNameGeneric( char * FileName )
{
char * pDot, * pRes;
pRes = Abc_UtilStrsav( FileName );
if ( (pDot = strrchr( pRes, '.' )) )
*pDot = 0;
return pRes;
}
/**Function*************************************************************
Synopsis [Marks nodes for power-optimization.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
float Nwl_ManComputeTotalSwitching( Nwk_Man_t * pNtk )
{
extern Vec_Int_t * Saig_ManComputeSwitchProbs( Aig_Man_t * p, int nFrames, int nPref, int fProbOne );
Vec_Int_t * vSwitching;
float * pSwitching;
Aig_Man_t * pAig;
Aig_Obj_t * pObjAig;
Nwk_Obj_t * pObjAbc;
float Result = (float)0;
int i;
// strash the network
// map network into an AIG
pAig = Nwk_ManStrash( pNtk );
vSwitching = Saig_ManComputeSwitchProbs( pAig, 48, 16, 0 );
pSwitching = (float *)vSwitching->pArray;
Nwk_ManForEachObj( pNtk, pObjAbc, i )
{
if ( (pObjAig = Aig_Regular((Aig_Obj_t *)pObjAbc->pCopy)) )
Result += Nwk_ObjFanoutNum(pObjAbc) * pSwitching[pObjAig->Id];
}
Vec_IntFree( vSwitching );
Aig_ManStop( pAig );
return Result;
}
/**Function*************************************************************
Synopsis [Prints stats of the manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Nwk_ManPrintStats( Nwk_Man_t * pNtk, If_LibLut_t * pLutLib, int fSaveBest, int fDumpResult, int fPower, Ntl_Man_t * pNtl )
{
// extern int Ntl_ManLatchNum( Ntl_Man_t * p );
// extern void Ntl_ManWriteBlifLogic( Nwk_Man_t * pNtk, void * pNtl, char * pFileName );
if ( fSaveBest )
Nwk_ManCompareAndSaveBest( pNtk, pNtl );
if ( fDumpResult )
{
char Buffer[1000] = {0};
const char * pNameGen = pNtk->pSpec? Nwk_FileNameGeneric( pNtk->pSpec ) : "nameless_";
sprintf( Buffer, "%s_dump.blif", pNameGen );
// Ntl_ManWriteBlifLogic( pNtk, pNtl, Buffer );
// sprintf( Buffer, "%s_dump_map.blif", pNameGen );
// Nwk_ManDumpBlif( pNtk, Buffer, NULL, NULL );
if ( pNtk->pSpec ) ABC_FREE( pNameGen );
}
pNtk->pLutLib = pLutLib;
printf( "%-15s : ", pNtk->pName );
printf( "pi = %5d ", Nwk_ManPiNum(pNtk) );
printf( "po = %5d ", Nwk_ManPoNum(pNtk) );
printf( "ci = %5d ", Nwk_ManCiNum(pNtk) );
printf( "co = %5d ", Nwk_ManCoNum(pNtk) );
// printf( "lat = %5d ", Ntl_ManLatchNum(pNtl) );
printf( "node = %5d ", Nwk_ManNodeNum(pNtk) );
printf( "edge = %5d ", Nwk_ManGetTotalFanins(pNtk) );
printf( "aig = %6d ", Nwk_ManGetAigNodeNum(pNtk) );
printf( "lev = %3d ", Nwk_ManLevel(pNtk) );
// printf( "lev2 = %3d ", Nwk_ManLevelBackup(pNtk) );
printf( "delay = %5.2f ", Nwk_ManDelayTraceLut(pNtk) );
if ( fPower )
printf( "power = %7.2f ", Nwl_ManComputeTotalSwitching(pNtk) );
Nwk_ManPrintLutSizes( pNtk, pLutLib );
printf( "\n" );
// Nwk_ManDelayTracePrint( pNtk, pLutLib );
fflush( stdout );
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
ABC_NAMESPACE_IMPL_END
|
