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/**CFile****************************************************************
FileName [extraUtilCube.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [extra]
Synopsis [Permutation computation.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 20, 2005.]
Revision [$Id: extraUtilCube.c,v 1.0 2003/02/01 00:00:00 alanmi Exp $]
***********************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include "misc/vec/vec.h"
#include "misc/vec/vecHsh.h"
ABC_NAMESPACE_IMPL_START
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
static inline void Abc_StatePush( Vec_Int_t * vData, char * pState, int k ) { int i; for ( i = 0; i < 6; i++ ) Vec_IntWriteEntry(vData, 6*k+i, ((int*)pState)[i]); }
static inline void Abc_StatePerm( char * pState, char * pPerm, char * pRes ) { int i; for ( i = 0; i < 24; i++ ) pRes[i] = pState[(int)pPerm[i]]; }
static inline void Abc_StatePrint( char * pState ) { int i; for ( i = 0; i < 24; i++ ) printf(" %2d", pState[i]); printf( "\n" ); }
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Abc_EnumerateCubeStates2()
{
int pXYZ[3][9][2] = {
{ {3, 5}, {3,17}, {3,15}, {1, 6}, {1,16}, {1,14}, {2, 4}, {2,18}, {2,13} },
{ {2,14}, {2,24}, {2,12}, {3,13}, {3,23}, {3,10}, {1,15}, {1,22}, {1,11} },
{ {1,10}, {1, 7}, {1, 4}, {3,12}, {3, 9}, {3, 6}, {2,11}, {2, 8}, {2, 5} } };
Vec_Int_t * vData = Vec_IntStart( 6 * (1 << 22) ); // 96 MB
Hsh_IntMan_t * vHash = Hsh_IntManStart( vData, 6, 1 << 22 ); // 32 MB
int i, k, v, RetValue, Beg, End, Counter = 0;
char pStart[24], pFirst[9][24];
abctime clk = Abc_Clock();
printf( "Enumerating states of 2x2x2 cube.\n" );
// init state
for ( v = 0; v < 24; v++ )
pStart[v] = v;
Abc_StatePush( vData, pStart, Counter );
RetValue = Hsh_IntManAdd( vHash, Counter );
assert( RetValue == Counter );
Counter++;
// first nine states
for ( i = 0; i < 3; i++ )
{
memcpy( pFirst[i], pStart, 24 );
for ( v = 0; v < 9; v++ )
ABC_SWAP( char, pFirst[i][pXYZ[i][v][0]-1], pFirst[i][pXYZ[i][v][1]-1] );
Abc_StatePush( vData, pFirst[i], Counter );
RetValue = Hsh_IntManAdd( vHash, Counter );
assert( RetValue == Counter );
Counter++;
//Abc_StatePrint( pFirst[i] );
memcpy( pFirst[3+i], pFirst[i], 24 );
for ( v = 0; v < 9; v++ )
ABC_SWAP( char, pFirst[3+i][pXYZ[i][v][0]-1], pFirst[3+i][pXYZ[i][v][1]-1] );
Abc_StatePush( vData, pFirst[3+i], Counter );
RetValue = Hsh_IntManAdd( vHash, Counter );
assert( RetValue == Counter );
Counter++;
//Abc_StatePrint( pFirst[3+i] );
memcpy( pFirst[6+i], pFirst[3+i], 24 );
for ( v = 0; v < 9; v++ )
ABC_SWAP( char, pFirst[6+i][pXYZ[i][v][0]-1], pFirst[6+i][pXYZ[i][v][1]-1] );
Abc_StatePush( vData, pFirst[6+i], Counter );
RetValue = Hsh_IntManAdd( vHash, Counter );
assert( RetValue == Counter );
Counter++;
//Abc_StatePrint( pFirst[6+i] );
}
printf( "Iter %2d -> %8d ", 0, 1 );
Abc_PrintTime( 1, "Time", Abc_Clock() - clk );
printf( "Iter %2d -> %8d ", 1, Counter );
Abc_PrintTime( 1, "Time", Abc_Clock() - clk );
Beg = 1; End = 10;
for ( i = 2; i <= 100; i++ )
{
if ( Beg == End )
break;
for ( k = Beg; k < End; k++ )
for ( v = 0; v < 9; v++ )
{
Abc_StatePerm( (char *)Vec_IntEntryP(vData, 6*k), pFirst[v], (char *)Vec_IntEntryP(vData, 6*Counter) );
RetValue = Hsh_IntManAdd( vHash, Counter );
if ( RetValue == Counter )
Counter++;
if ( Counter == (1<<22) )
{
printf( "Did not converge. " );
Abc_PrintTime( 1, "Time", Abc_Clock() - clk );
return;
}
}
Beg = End; End = Counter;
printf( "Iter %2d -> %8d ", i, Counter );
Abc_PrintTime( 1, "Time", Abc_Clock() - clk );
}
Hsh_IntManStop( vHash );
Vec_IntFree( vData );
}
/*
Enumerating states of 2x2x2 cube.
Iter 0 -> 1 Time = 0.00 sec
Iter 1 -> 10 Time = 0.00 sec
Iter 2 -> 64 Time = 0.00 sec
Iter 3 -> 385 Time = 0.00 sec
Iter 4 -> 2232 Time = 0.00 sec
Iter 5 -> 12224 Time = 0.00 sec
Iter 6 -> 62360 Time = 0.02 sec
Iter 7 -> 289896 Time = 0.09 sec
Iter 8 -> 1159968 Time = 0.90 sec
Iter 9 -> 3047716 Time = 11.62 sec
Iter 10 -> 3671516 Time = 52.00 sec
Iter 11 -> 3674160 Time = 70.38 sec
Iter 12 -> 3674160 Time = 70.48 sec
*/
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
static inline int Abc_DataHasBit( word * p, word i ) { return (p[(i)>>6] & (((word)1)<<((i) & 63))) > 0; }
static inline void Abc_DataXorBit( word * p, word i ) { p[(i)>>6] ^= (((word)1)<<((i) & 63)); }
static inline int Abc_DataGetCube( word w, int i ) { return (w >> (5*i)) & 31; }
static inline word Abc_DataXorCube( word w, int i, int c ) { return w ^ (((word)c) << (5*i)); }
static inline word Abc_CubeGenerateSign( char * pState )
{
static int Var2Cor[24] = { 0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 5, -1, -1, -1, 6, 6, 6 };
static int Var2Per[24] = { 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, -1, -1, -1, 0, 1, 2 };
word Res = 0;
Res = Abc_DataXorCube( Res, 0, (Var2Cor[(int)pState[ 0]] << 2) | Var2Per[(int)pState[ 0]] );
Res = Abc_DataXorCube( Res, 1, (Var2Cor[(int)pState[ 3]] << 2) | Var2Per[(int)pState[ 3]] );
Res = Abc_DataXorCube( Res, 2, (Var2Cor[(int)pState[ 6]] << 2) | Var2Per[(int)pState[ 6]] );
Res = Abc_DataXorCube( Res, 3, (Var2Cor[(int)pState[ 9]] << 2) | Var2Per[(int)pState[ 9]] );
Res = Abc_DataXorCube( Res, 4, (Var2Cor[(int)pState[12]] << 2) | Var2Per[(int)pState[12]] );
Res = Abc_DataXorCube( Res, 5, (Var2Cor[(int)pState[15]] << 2) | Var2Per[(int)pState[15]] );
Res = Abc_DataXorCube( Res, 6, (Var2Cor[(int)pState[21]] << 2) | Var2Per[(int)pState[21]] );
return Res;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Abc_EnumerateCubeStates()
{
int pXYZ[3][9][2] = {
{ {3, 5}, {3,17}, {3,15}, {1, 6}, {1,16}, {1,14}, {2, 4}, {2,18}, {2,13} },
{ {2,14}, {2,24}, {2,12}, {3,13}, {3,23}, {3,10}, {1,15}, {1,22}, {1,11} },
{ {1,10}, {1, 7}, {1, 4}, {3,12}, {3, 9}, {3, 6}, {2,11}, {2, 8}, {2, 5} } };
Vec_Int_t * vData = Vec_IntStart( 6 * (1 << 22) ); // 96 MB
word State, * pHash = ABC_CALLOC( word, 1 << 29 ); // 4 GB
int i, k, v, Beg, End, Counter = 0;
char * pPrev, * pState, pStart[24], pFirst[9][24];
abctime clk = Abc_Clock();
printf( "Enumerating states of 2x2x2 cube.\n" );
// init state
for ( v = 0; v < 24; v++ )
pStart[v] = v;
Abc_StatePush( vData, pStart, Counter );
Abc_DataXorBit( pHash, Abc_CubeGenerateSign(pStart) );
Counter++;
// first nine states
for ( i = 0; i < 3; i++ )
{
memcpy( pFirst[i], pStart, 24 );
for ( v = 0; v < 9; v++ )
ABC_SWAP( char, pFirst[i][pXYZ[i][v][0]-1], pFirst[i][pXYZ[i][v][1]-1] );
Abc_StatePush( vData, pFirst[i], Counter );
Abc_DataXorBit( pHash, Abc_CubeGenerateSign(pFirst[i]) );
Counter++;
//Abc_StatePrint( pFirst[i] );
memcpy( pFirst[3+i], pFirst[i], 24 );
for ( v = 0; v < 9; v++ )
ABC_SWAP( char, pFirst[3+i][pXYZ[i][v][0]-1], pFirst[3+i][pXYZ[i][v][1]-1] );
Abc_StatePush( vData, pFirst[3+i], Counter );
Abc_DataXorBit( pHash, Abc_CubeGenerateSign(pFirst[3+i]) );
Counter++;
//Abc_StatePrint( pFirst[3+i] );
memcpy( pFirst[6+i], pFirst[3+i], 24 );
for ( v = 0; v < 9; v++ )
ABC_SWAP( char, pFirst[6+i][pXYZ[i][v][0]-1], pFirst[6+i][pXYZ[i][v][1]-1] );
Abc_StatePush( vData, pFirst[6+i], Counter );
Abc_DataXorBit( pHash, Abc_CubeGenerateSign(pFirst[6+i]) );
Counter++;
//Abc_StatePrint( pFirst[6+i] );
}
printf( "Iter %2d -> %8d ", 0, 1 );
Abc_PrintTime( 1, "Time", Abc_Clock() - clk );
printf( "Iter %2d -> %8d ", 1, Counter );
Abc_PrintTime( 1, "Time", Abc_Clock() - clk );
Beg = 1; End = 10;
for ( i = 2; i <= 100; i++ )
{
if ( Beg == End )
break;
for ( k = Beg; k < End; k++ )
{
pPrev = (char *)Vec_IntEntryP(vData, 6*k);
for ( v = 0; v < 9; v++ )
{
pState = (char *)Vec_IntEntryP(vData, 6*Counter);
Abc_StatePerm( pPrev, pFirst[v], pState );
State = Abc_CubeGenerateSign( pState );
if ( !Abc_DataHasBit(pHash, State) )
Abc_DataXorBit(pHash, State), Counter++;
if ( Counter == (1<<22) )
{
printf( "Did not converge. " );
Abc_PrintTime( 1, "Time", Abc_Clock() - clk );
return;
}
}
}
Beg = End; End = Counter;
printf( "Iter %2d -> %8d ", i, Counter );
Abc_PrintTime( 1, "Time", Abc_Clock() - clk );
}
Vec_IntFree( vData );
ABC_FREE( pHash );
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
ABC_NAMESPACE_IMPL_END
|
