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Naive LUT packing algorithm (command &pack).

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This commit is contained in:
Alan Mishchenko
2015-09-30 20:21:40 -07:00
parent 10c31c6576
commit 0e0f2e64af
4 changed files with 311 additions and 0 deletions
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src/base/abci/abc.c
+99
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@@ -414,6 +414,7 @@ static int Abc_CommandAbc9Lf ( Abc_Frame_t * pAbc, int argc, cha
static int Abc_CommandAbc9Mf ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc9Nf ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc9Of ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc9Pack ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc9Unmap ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc9Struct ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc9Trace ( Abc_Frame_t * pAbc, int argc, char ** argv );
@@ -1034,6 +1035,7 @@ void Abc_Init( Abc_Frame_t * pAbc )
Cmd_CommandAdd( pAbc, "ABC9", "&mf", Abc_CommandAbc9Mf, 0 );
Cmd_CommandAdd( pAbc, "ABC9", "&nf", Abc_CommandAbc9Nf, 0 );
Cmd_CommandAdd( pAbc, "ABC9", "&of", Abc_CommandAbc9Of, 0 );
Cmd_CommandAdd( pAbc, "ABC9", "&pack", Abc_CommandAbc9Pack, 0 );
Cmd_CommandAdd( pAbc, "ABC9", "&unmap", Abc_CommandAbc9Unmap, 0 );
Cmd_CommandAdd( pAbc, "ABC9", "&struct", Abc_CommandAbc9Struct, 0 );
Cmd_CommandAdd( pAbc, "ABC9", "&trace", Abc_CommandAbc9Trace, 0 );
@@ -34246,6 +34248,103 @@ usage:
return 1;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_CommandAbc9Pack( Abc_Frame_t * pAbc, int argc, char ** argv )
{
extern void Gia_ManLutPacking( Gia_Man_t * p, int nBlock, int DelayRoute, int DelayDir, int fVerbose );
int c, nBlock = 2, DelayRoute = 10, DelayDir = 2, fVerbose = 0;
Extra_UtilGetoptReset();
while ( ( c = Extra_UtilGetopt( argc, argv, "NRDvh" ) ) != EOF )
{
switch ( c )
{
case 'N':
if ( globalUtilOptind >= argc )
{
Abc_Print( -1, "Command line switch \"-N\" should be followed by a positive integer.\n" );
goto usage;
}
nBlock = atoi(argv[globalUtilOptind]);
globalUtilOptind++;
if ( nBlock < 2 )
{
Abc_Print( -1, "LUT block size (%d) should be more than 1.\n", nBlock );
goto usage;
}
break;
case 'R':
if ( globalUtilOptind >= argc )
{
Abc_Print( -1, "Command line switch \"-N\" should be followed by a positive integer.\n" );
goto usage;
}
DelayRoute = atoi(argv[globalUtilOptind]);
globalUtilOptind++;
if ( DelayRoute <= 0 )
{
Abc_Print( -1, "Rounting delay (%d) should be more than 0.\n", DelayRoute);
goto usage;
}
break;
case 'D':
if ( globalUtilOptind >= argc )
{
Abc_Print( -1, "Command line switch \"-D\" should be followed by a positive integer.\n" );
goto usage;
}
DelayDir = atoi(argv[globalUtilOptind]);
globalUtilOptind++;
if ( DelayDir <= 0 )
{
Abc_Print( -1, "Direct delay (%d) should be more than 0.\n", DelayRoute);
goto usage;
}
break;
case 'v':
fVerbose ^= 1;
break;
case 'h':
default:
goto usage;
}
}
if ( pAbc->pGia == NULL )
{
Abc_Print( -1, "Empty GIA network.\n" );
return 1;
}
if ( !Gia_ManHasMapping(pAbc->pGia) )
{
Abc_Print( -1, "Current AIG has no mapping. Run \"&if\".\n" );
return 1;
}
if ( Gia_ManLutSizeMax(pAbc->pGia) > 6 )
Abc_Print( 0, "Current AIG has mapping into %d-LUTs.\n", Gia_ManLutSizeMax(pAbc->pGia) );
Gia_ManLutPacking( pAbc->pGia, nBlock, DelayRoute, DelayDir, fVerbose );
return 0;
usage:
Abc_Print( -2, "usage: &pack [-NRD num] [-vh]\n" );
Abc_Print( -2, "\t performs packing for the LUT mapped network\n" );
Abc_Print( -2, "\t-N num : the number of LUTs in the block [default = %d]\n", nBlock );
Abc_Print( -2, "\t-R num : the routable delay of a LUT [default = %d]\n", DelayRoute );
Abc_Print( -2, "\t-D num : the direct (non-routable) delay of a LUT [default = %d]\n", DelayDir );
Abc_Print( -2, "\t-v : toggles verbose output [default = %s]\n", fVerbose? "yes": "no" );
Abc_Print( -2, "\t-h : prints the command usage\n");
return 1;
}
/**Function*************************************************************
Synopsis []