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
|
/**CFile****************************************************************
FileName [sim.h]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Simulation package.]
Synopsis [External declarations.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 20, 2005.]
Revision [$Id: sim.h,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
***********************************************************************/
#ifndef __SIM_H__
#define __SIM_H__
#ifdef __cplusplus
extern "C" {
#endif
/*
The ideas realized in this package are described in the paper:
"Detecting Symmetries in Boolean Functions using Circuit Representation,
Simulation, and Satisfiability".
*/
////////////////////////////////////////////////////////////////////////
/// INCLUDES ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// PARAMETERS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// BASIC TYPES ///
////////////////////////////////////////////////////////////////////////
typedef struct Sym_Man_t_ Sym_Man_t;
struct Sym_Man_t_
{
// info about the network
Abc_Ntk_t * pNtk; // the network
Vec_Ptr_t * vNodes; // internal nodes in topological order
int nInputs;
int nOutputs;
// internal simulation information
int nSimWords; // the number of bits in simulation info
Vec_Ptr_t * vSim; // simulation info
// support information
Vec_Ptr_t * vSuppFun; // bit representation
Vec_Vec_t * vSupports; // integer representation
// symmetry info for each output
Vec_Ptr_t * vMatrSymms; // symmetric pairs
Vec_Ptr_t * vMatrNonSymms; // non-symmetric pairs
Vec_Int_t * vPairsTotal; // total pairs
Vec_Int_t * vPairsSym; // symmetric pairs
Vec_Int_t * vPairsNonSym; // non-symmetric pairs
// temporary simulation info
unsigned * uPatRand;
unsigned * uPatCol;
unsigned * uPatRow;
// temporary
Vec_Int_t * vVarsU;
Vec_Int_t * vVarsV;
int iOutput;
int iVar1;
int iVar2;
int iVar1Old;
int iVar2Old;
// internal data structures
int nSatRuns;
int nSatRunsSat;
int nSatRunsUnsat;
// pairs
int nPairsSymm;
int nPairsSymmStr;
int nPairsNonSymm;
int nPairsRem;
int nPairsTotal;
// runtime statistics
int timeStruct;
int timeCount;
int timeMatr;
int timeSim;
int timeFraig;
int timeSat;
int timeTotal;
};
typedef struct Sim_Man_t_ Sim_Man_t;
struct Sim_Man_t_
{
// info about the network
Abc_Ntk_t * pNtk;
int nInputs;
int nOutputs;
int fLightweight;
// internal simulation information
int nSimBits; // the number of bits in simulation info
int nSimWords; // the number of words in simulation info
Vec_Ptr_t * vSim0; // simulation info 1
Vec_Ptr_t * vSim1; // simulation info 2
// support information
int nSuppBits; // the number of bits in support info
int nSuppWords; // the number of words in support info
Vec_Ptr_t * vSuppStr; // structural supports
Vec_Ptr_t * vSuppFun; // functional supports
// simulation targets
Vec_Vec_t * vSuppTargs; // support targets
int iInput; // the input current processed
// internal data structures
Extra_MmFixed_t * pMmPat;
Vec_Ptr_t * vFifo;
Vec_Int_t * vDiffs;
int nSatRuns;
int nSatRunsSat;
int nSatRunsUnsat;
// runtime statistics
int timeSim;
int timeTrav;
int timeFraig;
int timeSat;
int timeTotal;
};
typedef struct Sim_Pat_t_ Sim_Pat_t;
struct Sim_Pat_t_
{
int Input; // the input which it has detected
int Output; // the output for which it was collected
unsigned * pData; // the simulation data
};
////////////////////////////////////////////////////////////////////////
/// MACRO DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
#define SIM_NUM_WORDS(n) (((n)>>5) + (((n)&31) > 0))
#define SIM_LAST_BITS(n) ((((n)&31) > 0)? (n)&31 : 32)
#define SIM_MASK_FULL (0xFFFFFFFF)
#define SIM_MASK_BEG(n) (SIM_MASK_FULL >> (32-n))
#define SIM_MASK_END(n) (SIM_MASK_FULL << (n))
#define SIM_SET_0_FROM(m,n) ((m) & ~SIM_MASK_BEG(n))
#define SIM_SET_1_FROM(m,n) ((m) | SIM_MASK_END(n))
// generating random unsigned (#define RAND_MAX 0x7fff)
#define SIM_RANDOM_UNSIGNED ((((unsigned)rand()) << 24) ^ (((unsigned)rand()) << 12) ^ ((unsigned)rand()))
// macros to get hold of bits in a bit string
#define Sim_SetBit(p,i) ((p)[(i)>>5] |= (1<<((i) & 31)))
#define Sim_XorBit(p,i) ((p)[(i)>>5] ^= (1<<((i) & 31)))
#define Sim_HasBit(p,i) (((p)[(i)>>5] & (1<<((i) & 31))) > 0)
// macros to get hold of the support info
#define Sim_SuppStrSetVar(vSupps,pNode,v) Sim_SetBit((unsigned*)(vSupps)->pArray[(pNode)->Id],(v))
#define Sim_SuppStrHasVar(vSupps,pNode,v) Sim_HasBit((unsigned*)(vSupps)->pArray[(pNode)->Id],(v))
#define Sim_SuppFunSetVar(vSupps,Output,v) Sim_SetBit((unsigned*)(vSupps)->pArray[Output],(v))
#define Sim_SuppFunHasVar(vSupps,Output,v) Sim_HasBit((unsigned*)(vSupps)->pArray[Output],(v))
#define Sim_SimInfoSetVar(vSupps,pNode,v) Sim_SetBit((unsigned*)(vSupps)->pArray[(pNode)->Id],(v))
#define Sim_SimInfoHasVar(vSupps,pNode,v) Sim_HasBit((unsigned*)(vSupps)->pArray[(pNode)->Id],(v))
#define Sim_SimInfoGet(vInfo,pNode) ((unsigned *)((vInfo)->pArray[(pNode)->Id]))
////////////////////////////////////////////////////////////////////////
/// FUNCTION DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
/*=== simMan.c ==========================================================*/
extern Sym_Man_t * Sym_ManStart( Abc_Ntk_t * pNtk, int fVerbose );
extern void Sym_ManStop( Sym_Man_t * p );
extern void Sym_ManPrintStats( Sym_Man_t * p );
extern Sim_Man_t * Sim_ManStart( Abc_Ntk_t * pNtk, int fLightweight );
extern void Sim_ManStop( Sim_Man_t * p );
extern void Sim_ManPrintStats( Sim_Man_t * p );
extern Sim_Pat_t * Sim_ManPatAlloc( Sim_Man_t * p );
extern void Sim_ManPatFree( Sim_Man_t * p, Sim_Pat_t * pPat );
/*=== simSeq.c ==========================================================*/
extern Vec_Ptr_t * Sim_SimulateSeqRandom( Abc_Ntk_t * pNtk, int nFrames, int nWords );
extern Vec_Ptr_t * Sim_SimulateSeqModel( Abc_Ntk_t * pNtk, int nFrames, int * pModel );
/*=== simSupp.c ==========================================================*/
extern Vec_Ptr_t * Sim_ComputeStrSupp( Abc_Ntk_t * pNtk );
extern Vec_Ptr_t * Sim_ComputeFunSupp( Abc_Ntk_t * pNtk, int fVerbose );
/*=== simSym.c ==========================================================*/
extern int Sim_ComputeTwoVarSymms( Abc_Ntk_t * pNtk, int fVerbose );
/*=== simSymSat.c ==========================================================*/
extern int Sim_SymmsGetPatternUsingSat( Sym_Man_t * p, unsigned * pPattern );
/*=== simSymStr.c ==========================================================*/
extern void Sim_SymmsStructCompute( Abc_Ntk_t * pNtk, Vec_Ptr_t * vMatrs, Vec_Ptr_t * vSuppFun );
/*=== simSymSim.c ==========================================================*/
extern void Sim_SymmsSimulate( Sym_Man_t * p, unsigned * pPatRand, Vec_Ptr_t * vMatrsNonSym );
/*=== simUtil.c ==========================================================*/
extern Vec_Ptr_t * Sim_UtilInfoAlloc( int nSize, int nWords, bool fClean );
extern void Sim_UtilInfoFree( Vec_Ptr_t * p );
extern void Sim_UtilInfoAdd( unsigned * pInfo1, unsigned * pInfo2, int nWords );
extern void Sim_UtilInfoDetectDiffs( unsigned * pInfo1, unsigned * pInfo2, int nWords, Vec_Int_t * vDiffs );
extern void Sim_UtilInfoDetectNews( unsigned * pInfo1, unsigned * pInfo2, int nWords, Vec_Int_t * vDiffs );
extern void Sim_UtilInfoFlip( Sim_Man_t * p, Abc_Obj_t * pNode );
extern bool Sim_UtilInfoCompare( Sim_Man_t * p, Abc_Obj_t * pNode );
extern void Sim_UtilSimulate( Sim_Man_t * p, bool fFirst );
extern void Sim_UtilSimulateNode( Sim_Man_t * p, Abc_Obj_t * pNode, bool fType, bool fType1, bool fType2 );
extern void Sim_UtilSimulateNodeOne( Abc_Obj_t * pNode, Vec_Ptr_t * vSimInfo, int nSimWords, int nOffset );
extern void Sim_UtilTransferNodeOne( Abc_Obj_t * pNode, Vec_Ptr_t * vSimInfo, int nSimWords, int nOffset, int fShift );
extern int Sim_UtilCountSuppSizes( Sim_Man_t * p, int fStruct );
extern int Sim_UtilCountOnes( unsigned * pSimInfo, int nSimWords );
extern Vec_Int_t * Sim_UtilCountOnesArray( Vec_Ptr_t * vInfo, int nSimWords );
extern void Sim_UtilSetRandom( unsigned * pPatRand, int nSimWords );
extern void Sim_UtilSetCompl( unsigned * pPatRand, int nSimWords );
extern void Sim_UtilSetConst( unsigned * pPatRand, int nSimWords, int fConst1 );
extern int Sim_UtilInfoIsEqual( unsigned * pPats1, unsigned * pPats2, int nSimWords );
extern int Sim_UtilInfoIsImp( unsigned * pPats1, unsigned * pPats2, int nSimWords );
extern int Sim_UtilInfoIsClause( unsigned * pPats1, unsigned * pPats2, int nSimWords );
extern int Sim_UtilCountAllPairs( Vec_Ptr_t * vSuppFun, int nSimWords, Vec_Int_t * vCounters );
extern void Sim_UtilCountPairsAll( Sym_Man_t * p );
extern int Sim_UtilMatrsAreDisjoint( Sym_Man_t * p );
#ifdef __cplusplus
}
#endif
#endif
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
|
