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Experiments with logic optimization.

This commit is contained in:
Alan Mishchenko 2017-07-21 12:38:18 +07:00
parent c19d2289f2
commit 9ff1776d06
3 changed files with 155 additions and 0 deletions
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54
src/aig/gia/giaScript.c
View File

@ -719,6 +719,60 @@ void Gia_ManPerformFlow2( int fIsMapped, int nAnds, int nLevels, int nLutSize, i
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Gia_ManPerformFlow3( int nLutSize, int nCutNum, int fBalance, int fMinAve, int fUseMfs, int fUseLutLib, int fVerbose )
{
char Comm1[200], Comm2[200], Comm3[200];
if ( fUseLutLib )
sprintf( Comm1, "&st; &if -C %d; &save; &st; &syn2; &if -C %d; &save; &load", nCutNum, nCutNum );
else
sprintf( Comm1, "&st; &if -C %d -K %d; &save; &st; &syn2; &if -C %d -K %d; &save; &load", nCutNum, nLutSize, nCutNum, nLutSize );
if ( fUseLutLib )
sprintf( Comm2, "&st; &if -%s -K 6; &dch -f; &if -C %d; %s&save; &load", Abc_NtkRecIsRunning3() ? "y" : "g", nCutNum, fUseMfs ? "&mfs; ":"" );
else
sprintf( Comm2, "&st; &if -%s -K 6; &dch -f; &if -C %d -K %d; %s&save; &load", Abc_NtkRecIsRunning3() ? "y" : "g", nCutNum, nLutSize, fUseMfs ? "&mfs; ":"" );
if ( fUseLutLib )
sprintf( Comm3, "&st; &if -%s -K 6; &synch2; &if -C %d; %s&save; &load", Abc_NtkRecIsRunning3() ? "y" : "g", nCutNum, fUseMfs ? "&mfs; ":"" );
else
sprintf( Comm3, "&st; &if -%s -K 6; &synch2; &if -C %d -K %d; %s&save; &load", Abc_NtkRecIsRunning3() ? "y" : "g", nCutNum, nLutSize, fUseMfs ? "&mfs; ":"" );
if ( fVerbose ) printf( "Trying simple synthesis with %s...\n", Abc_NtkRecIsRunning3() ? "LMS" : "SOP balancing" );
Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), Comm1 );
if ( fVerbose )
Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&ps" );
if ( Gia_ManAndNum( Abc_FrameReadGia(Abc_FrameGetGlobalFrame()) ) < 200000 )
{
if ( fVerbose ) printf( "Trying medium synthesis...\n" );
Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), Comm2 );
if ( fVerbose )
Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&ps" );
}
if ( Gia_ManAndNum( Abc_FrameReadGia(Abc_FrameGetGlobalFrame()) ) < 10000 )
{
if ( fVerbose ) printf( "Trying harder synthesis...\n" );
Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), Comm3 );
if ( fVerbose )
Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&ps" );
}
if ( fVerbose ) printf( "Final result...\n" );
if ( fVerbose )
Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "&ps" );
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///

98
src/base/abci/abc.c
View File

@ -435,6 +435,7 @@ static int Abc_CommandAbc9Sopb ( Abc_Frame_t * pAbc, int argc, cha
static int Abc_CommandAbc9Dsdb ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc9Flow ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc9Flow2 ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc9Flow3 ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc9If ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc9Iff ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc9If2 ( Abc_Frame_t * pAbc, int argc, char ** argv );
@ -1092,6 +1093,7 @@ void Abc_Init( Abc_Frame_t * pAbc )
Cmd_CommandAdd( pAbc, "ABC9", "&dsdb", Abc_CommandAbc9Dsdb, 0 );
Cmd_CommandAdd( pAbc, "ABC9", "&flow", Abc_CommandAbc9Flow, 0 );
Cmd_CommandAdd( pAbc, "ABC9", "&flow2", Abc_CommandAbc9Flow2, 0 );
Cmd_CommandAdd( pAbc, "ABC9", "&flow3", Abc_CommandAbc9Flow3, 0 );
Cmd_CommandAdd( pAbc, "ABC9", "&if", Abc_CommandAbc9If, 0 );
Cmd_CommandAdd( pAbc, "ABC9", "&iff", Abc_CommandAbc9Iff, 0 );
Cmd_CommandAdd( pAbc, "ABC9", "&if2", Abc_CommandAbc9If2, 0 );
@ -34613,6 +34615,102 @@ usage:
return 1;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_CommandAbc9Flow3( Abc_Frame_t * pAbc, int argc, char ** argv )
{
extern void Gia_ManPerformFlow3( int nLutSize, int nCutNum, int fBalance, int fMinAve, int fUseMfs, int fUseLutLib, int fVerbose );
int nLutSize = 6;
int nCutNum = 8;
int fBalance = 0;
int fMinAve = 0;
int fUseMfs = 1;
int fUseLutLib = 0;
int c, fVerbose = 0;
Extra_UtilGetoptReset();
while ( ( c = Extra_UtilGetopt( argc, argv, "KCbtmlvh" ) ) != EOF )
{
switch ( c )
{
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 'C':
if ( globalUtilOptind >= argc )
{
Abc_Print( -1, "Command line switch \"-C\" should be followed by an integer.\n" );
goto usage;
}
nCutNum = atoi(argv[globalUtilOptind]);
globalUtilOptind++;
if ( nCutNum < 0 )
goto usage;
break;
case 'b':
fBalance ^= 1;
break;
case 't':
fMinAve ^= 1;
break;
case 'm':
fUseMfs ^= 1;
break;
case 'l':
fUseLutLib ^= 1;
break;
case 'v':
fVerbose ^= 1;
break;
case 'h':
goto usage;
default:
goto usage;
}
}
if ( pAbc->pGia == NULL )
{
Abc_Print( -1, "Abc_CommandAbc9Flow3(): There is no AIG.\n" );
return 1;
}
if ( fUseLutLib && Abc_FrameReadLibLut() == NULL )
{
Abc_Print( -1, "Abc_CommandAbc9Flow3(): Please enter LUT library using \'read_lut\'.\n" );
return 1;
}
Gia_ManPerformFlow3( nLutSize, nCutNum, fBalance, fMinAve, fUseMfs, fUseLutLib, fVerbose );
return 0;
usage:
Abc_Print( -2, "usage: &flow3 [-KC num] [-btmlvh]\n" );
Abc_Print( -2, "\t integration optimization and mapping flow\n" );
Abc_Print( -2, "\t-K num : the number of LUT inputs (LUT size) [default = %d]\n", nLutSize );
Abc_Print( -2, "\t-C num : the number of cuts at a node [default = %d]\n", nCutNum );
Abc_Print( -2, "\t-b : toggle using SOP balancing during synthesis [default = %s]\n", fBalance? "yes": "no" );
Abc_Print( -2, "\t-t : toggle minimizing average (not maximum) level [default = %s]\n", fMinAve? "yes": "no" );
Abc_Print( -2, "\t-m : toggle using \"mfs2\" in the script [default = %s]\n", fUseMfs? "yes": "no" );
Abc_Print( -2, "\t-l : toggle using previously entered LUT library [default = %s]\n", fUseLutLib? "yes": "no" );
Abc_Print( -2, "\t-v : toggle printing verbose information [default = %s]\n", fVerbose? "yes": "no" );
Abc_Print( -2, "\t-h : print the command usage\n");
return 1;
}
/**Function*************************************************************
Synopsis []

3
src/base/main/mainFrame.c
View File

@ -581,6 +581,9 @@ void Abc_FrameDeleteAllNetworks( Abc_Frame_t * p )
// set the current network empty
p->pNtkCur = NULL;
// fprintf( p->Out, "All networks have been deleted.\n" );
Gia_ManStopP( &p->pGia );
Gia_ManStopP( &p->pGia2 );
Gia_ManStopP( &p->pGiaBest );
}
/**Function*************************************************************