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Experiments with circuit generators.
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@alanminko
alanminko committed Aug 1, 2024
1 parent 572b80b commit 9062ed9
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Showing 4 changed files with 917 additions and 4 deletions.
193 changes: 193 additions & 0 deletions src/base/abci/abc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -214,6 +214,8 @@ static int Abc_CommandCareSet ( Abc_Frame_t * pAbc, int argc, cha
static int Abc_CommandCut ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandEspresso ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandGen ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandGenTF ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandGenAT ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandGenFsm ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandCover ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandDouble ( Abc_Frame_t * pAbc, int argc, char ** argv );
Expand Down Expand Up @@ -1005,6 +1007,8 @@ void Abc_Init( Abc_Frame_t * pAbc )
Cmd_CommandAdd( pAbc, "Various", "cut", Abc_CommandCut, 0 );
Cmd_CommandAdd( pAbc, "Various", "espresso", Abc_CommandEspresso, 1 );
Cmd_CommandAdd( pAbc, "Various", "gen", Abc_CommandGen, 0 );
Cmd_CommandAdd( pAbc, "Various", "gentf", Abc_CommandGenTF, 0 );
Cmd_CommandAdd( pAbc, "Various", "genat", Abc_CommandGenAT, 0 );
Cmd_CommandAdd( pAbc, "Various", "genfsm", Abc_CommandGenFsm, 0 );
Cmd_CommandAdd( pAbc, "Various", "cover", Abc_CommandCover, 1 );
Cmd_CommandAdd( pAbc, "Various", "double", Abc_CommandDouble, 1 );
Expand Down Expand Up @@ -14078,6 +14082,195 @@ int Abc_CommandGen( Abc_Frame_t * pAbc, int argc, char ** argv )
return 1;
}


/**Function*************************************************************

Synopsis []

Description []

SideEffects []

SeeAlso []

***********************************************************************/
int Abc_CommandGenTF( Abc_Frame_t * pAbc, int argc, char ** argv )
{
extern void Abc_GenThresh( char * pFileName, int nBits, Vec_Int_t * vNums, int nLutSize, char * pArch );
int c, nBits = 0, nLutSize = -1, fVerbose = 0, nSum = 0;
char Command[1000], * pFileName = "out.blif", * pArch = NULL;
Extra_UtilGetoptReset();
while ( ( c = Extra_UtilGetopt( argc, argv, "WKAvh" ) ) != EOF )
{
switch ( c )
{
case 'W':
if ( globalUtilOptind >= argc )
{
Abc_Print( -1, "Command line switch \"-W\" should be followed by an integer.\n" );
goto usage;
}
nBits = atoi(argv[globalUtilOptind]);
globalUtilOptind++;
if ( nBits < 0 )
goto usage;
break;
case 'K':
if ( globalUtilOptind >= argc )
{
Abc_Print( -1, "Command line switch \"-K\" should be followed by an integer.\n" );
goto usage;
}
nLutSize = atoi(argv[globalUtilOptind]);
globalUtilOptind++;
if ( nLutSize < 0 )
goto usage;
break;
case 'A':
if ( globalUtilOptind >= argc )
{
Abc_Print( -1, "Command line switch \"-A\" should be followed by a file name.\n" );
goto usage;
}
pArch = argv[globalUtilOptind];
globalUtilOptind++;
break;
case 'v':
fVerbose ^= 1;
break;
case 'h':
goto usage;
default:
goto usage;
}
}
if ( argc == globalUtilOptind )
goto usage;
if ( nBits == 0 )
{
Abc_Print( -1, "Bit-width should be specified.\n" );
return 0;
}
if ( nLutSize != -1 && nLutSize != 4 && nLutSize != 6 )
{
Abc_Print( -1, "LUT size %d is not supported.\n", nLutSize );
return 0;
}
if ( pArch )
{
int Counts[2] = {0};
for ( c = 0; c < strlen(pArch); c++ )
if ( pArch[c] == '(' )
Counts[0]++;
else if ( pArch[c] == ')' )
Counts[1]++;
else if ( pArch[c] >= '1' && pArch[c] <= '9' )
nSum += pArch[c] - '0';
else if ( pArch[c] >= 'A' && pArch[c] <= 'Z' )
nSum += pArch[c] - 'A' + 10;
else {
Abc_Print( -1, "Architecture description contains a wrong symbol (%c).\n", pArch[c] );
return 0;
}
if ( Counts[0] != Counts[1] )
{
Abc_Print( -1, "Mismatching number of opening and closing parentheses (%d and %d).\n", Counts[0], Counts[1] );
return 0;
}
}
Vec_Int_t * vNums = Vec_IntAlloc( argc );
for ( c = globalUtilOptind; c < argc; c++ )
Vec_IntPush( vNums, atoi(argv[c]) );
if ( Vec_IntSize(vNums) < 3 ) {
Vec_IntFree( vNums );
Abc_Print( -1, "Expecting that at least two weights and a threshold are specified on the command line.\n" );
return 0;
}
if ( pArch && nSum != Vec_IntSize(vNums)-1 ) {
Vec_IntFree( vNums );
Abc_Print( -1, "The architecture assumes %d sum inputs while there are %d weights.\n", nSum, Vec_IntSize(vNums)-1 );
return 0;
}
printf( "Generating threshold function with %d inputs and bit-width %d.\n", Vec_IntSize(vNums)-1, nBits );
Abc_GenThresh( pFileName, nBits, vNums, nLutSize, pArch );
if ( nLutSize == 4 || nLutSize == 6 )
sprintf(Command, "read %s; strash; if -K %d -am; mfs2 -W 10 -L 10 -M 1000", pFileName, nLutSize );
else
sprintf(Command, "read %s", pFileName );
Cmd_CommandExecute( pAbc, Command );
Vec_IntFree( vNums );
return 0;

usage:
Abc_Print( -2, "usage: gentf [-WK num] [-A str] [-vh] <w1> <w2> ... <wn> <thresh>\n" );
Abc_Print( -2, "\t generates threshold function\n" );
Abc_Print( -2, "\t-W num : the bit-width [default = none]\n" );
Abc_Print( -2, "\t-K num : the LUT size [default = none]\n" );
Abc_Print( -2, "\t-A str : the circuit architecture [default = none]\n");
Abc_Print( -2, "\t-v : prints verbose information [default = %s]\n", fVerbose? "yes": "no" );
Abc_Print( -2, "\t-h : print the command usage\n");
Abc_Print( -2, "\t<nums> : weights and threshold\n");
return 1;
}

/**Function*************************************************************

Synopsis []

Description []

SideEffects []

SeeAlso []

***********************************************************************/
int Abc_CommandGenAT( Abc_Frame_t * pAbc, int argc, char ** argv )
{
extern void Abc_GenAT( char * pFileName, Vec_Int_t * vNums );
extern void Abc_GenATDual( char * pFileName, Vec_Int_t * vNums );
int c, fDual = 0, fVerbose = 0;
char Command[1000], * pFileName = "out.blif";
Extra_UtilGetoptReset();
while ( ( c = Extra_UtilGetopt( argc, argv, "dvh" ) ) != EOF )
{
switch ( c )
{
case 'd':
fDual ^= 1;
break;
case 'v':
fVerbose ^= 1;
break;
case 'h':
goto usage;
default:
goto usage;
}
}
if ( argc == globalUtilOptind )
goto usage;
Vec_Int_t * vNums = Vec_IntAlloc( argc );
for ( c = globalUtilOptind; c < argc; c++ )
Vec_IntPush( vNums, atoi(argv[c]) );
if ( fDual )
Abc_GenATDual( pFileName, vNums );
else
Abc_GenAT( pFileName, vNums );
sprintf(Command, "read %s", pFileName );
Cmd_CommandExecute( pAbc, Command );
Vec_IntFree( vNums );
return 0;

usage:
Abc_Print( -2, "usage: genat [-dvh] <n1> <n2> ... <nn>\n" );
Abc_Print( -2, "\t generates the adder tree\n" );
Abc_Print( -2, "\t-d : toggle building dual tree [default = %s]\n", fDual? "yes": "no" );
Abc_Print( -2, "\t-v : prints verbose information [default = %s]\n", fVerbose? "yes": "no" );
Abc_Print( -2, "\t-h : print the command usage\n");
Abc_Print( -2, "\t<nums> : input counts by rank\n");
return 1;
}

/**Function*************************************************************

Synopsis []
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