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Enabling cofactoring in the mapper.

This commit is contained in:
Alan Mishchenko 2014-08-06 14:18:20 -07:00
parent ae64dc0796
commit 35b816dd57
2 changed files with 23 additions and 2 deletions
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1
src/aig/gia/gia.h
View File

@ -278,6 +278,7 @@ struct Jf_Par_t_
int nLutSizeMax;
int nCutNumMax;
int nProcNumMax;
int nLutSizeMux;
word Delay;
word Area;
word Edge;

24
src/base/abci/abc.c
View File

@ -31215,7 +31215,7 @@ int Abc_CommandAbc9Lf( Abc_Frame_t * pAbc, int argc, char ** argv )
Gia_Man_t * pNew; int c;
Lf_ManSetDefaultPars( pPars );
Extra_UtilGetoptReset();
while ( ( c = Extra_UtilGetopt( argc, argv, "KCFARLEDWaekmupgtvwh" ) ) != EOF )
while ( ( c = Extra_UtilGetopt( argc, argv, "KCFARLEDWMaekmupgtvwh" ) ) != EOF )
{
switch ( c )
{
@ -31324,6 +31324,20 @@ int Abc_CommandAbc9Lf( Abc_Frame_t * pAbc, int argc, char ** argv )
if ( pPars->nVerbLimit < 0 )
goto usage;
break;
case 'M':
if ( globalUtilOptind >= argc )
{
Abc_Print( -1, "Command line switch \"-M\" should be followed by a positive integer.\n" );
goto usage;
}
pPars->nLutSizeMux = atoi(argv[globalUtilOptind]);
globalUtilOptind++;
if ( pPars->nLutSizeMux < 2 || pPars->nLutSizeMux > pPars->nLutSizeMax )
{
Abc_Print( -1, "LUT size %d is not supported.\n", pPars->nLutSizeMux );
goto usage;
}
break;
case 'a':
pPars->fAreaOnly ^= 1;
break;
@ -31365,6 +31379,11 @@ int Abc_CommandAbc9Lf( Abc_Frame_t * pAbc, int argc, char ** argv )
Abc_Print( -1, "Empty GIA network.\n" );
return 1;
}
if ( pPars->nLutSizeMux && pPars->fUseMux7 )
{
Abc_Print( -1, "Flags \"-M\" and \"-u\" are incompatible.\n" );
return 1;
}
pNew = Lf_ManPerformMapping( pAbc->pGia, pPars );
if ( pNew == NULL )
@ -31380,7 +31399,7 @@ usage:
sprintf(Buffer, "best possible" );
else
sprintf(Buffer, "%d", pPars->DelayTarget );
Abc_Print( -2, "usage: &lf [-KCFARLED num] [-kmupgtvwh]\n" );
Abc_Print( -2, "usage: &lf [-KCFARLEDM num] [-kmupgtvwh]\n" );
Abc_Print( -2, "\t performs technology mapping of the network\n" );
Abc_Print( -2, "\t-K num : LUT size for the mapping (2 <= K <= %d) [default = %d]\n", pPars->nLutSizeMax, pPars->nLutSize );
Abc_Print( -2, "\t-C num : the max number of priority cuts (1 <= C <= %d) [default = %d]\n", pPars->nCutNumMax, pPars->nCutNum );
@ -31390,6 +31409,7 @@ usage:
Abc_Print( -2, "\t-L num : the fanout limit for coarsening XOR/MUX (num >= 2) [default = %d]\n", pPars->nCoarseLimit );
Abc_Print( -2, "\t-E num : the area/edge tradeoff parameter (0 <= num <= 100) [default = %d]\n", pPars->nAreaTuner );
Abc_Print( -2, "\t-D num : sets the delay constraint for the mapping [default = %s]\n", Buffer );
Abc_Print( -2, "\t-M num : LUT size for the cofactoring (0 <= num <= 100) [default = %d]\n", pPars->nLutSizeMux );
// Abc_Print( -2, "\t-a : toggles area-oriented mapping [default = %s]\n", pPars->fAreaOnly? "yes": "no" );
Abc_Print( -2, "\t-e : toggles edge vs node minimization [default = %s]\n", pPars->fOptEdge? "yes": "no" );
Abc_Print( -2, "\t-k : toggles coarsening the subject graph [default = %s]\n", pPars->fCoarsen? "yes": "no" );