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Changes to enable smarter simulation.

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This commit is contained in:
Alan Mishchenko
2011-07-21 17:55:44 +07:00
parent 515835579e
commit 9a2a0f2912
6 changed files with 335 additions and 44 deletions
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src/base/abci/abc.c
+145 -14
View File
@@ -247,6 +247,7 @@ static int Abc_CommandSeqCleanup ( Abc_Frame_t * pAbc, int argc, cha
static int Abc_CommandCycle ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandXsim ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandSim ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandSim2 ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandDarPhase ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandSynch ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandClockGate ( Abc_Frame_t * pAbc, int argc, char ** argv );
@@ -666,6 +667,7 @@ void Abc_Init( Abc_Frame_t * pAbc )
Cmd_CommandAdd( pAbc, "Sequential", "cycle", Abc_CommandCycle, 1 );
Cmd_CommandAdd( pAbc, "Sequential", "xsim", Abc_CommandXsim, 0 );
Cmd_CommandAdd( pAbc, "Sequential", "sim", Abc_CommandSim, 0 );
Cmd_CommandAdd( pAbc, "Sequential", "sim2", Abc_CommandSim2, 0 );
Cmd_CommandAdd( pAbc, "Sequential", "phase", Abc_CommandDarPhase, 1 );
Cmd_CommandAdd( pAbc, "Sequential", "synch", Abc_CommandSynch, 1 );
Cmd_CommandAdd( pAbc, "Sequential", "clockgate", Abc_CommandClockGate, 1 );
@@ -15764,6 +15766,135 @@ usage:
return 1;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_CommandSim2( Abc_Frame_t * pAbc, int argc, char ** argv )
{
Abc_Ntk_t * pNtk = Abc_FrameReadNtk(pAbc);
int c;
int nFrames;
int nWords;
int nBinSize;
int nRounds;
int TimeOut;
int fVerbose;
extern int Abc_NtkDarSeqSim2( Abc_Ntk_t * pNtk, int nFrames, int nWords, int nBinSize, int nRounds, int TimeOut, int fVerbose );
// set defaults
nFrames = 20;
nWords = 50;
nBinSize = 8;
nRounds = 80;
TimeOut = 0;
fVerbose = 1;
// parse command line
Extra_UtilGetoptReset();
while ( ( c = Extra_UtilGetopt( argc, argv, "FWBRTvh" ) ) != EOF )
{
switch ( c )
{
case 'F':
if ( globalUtilOptind >= argc )
{
Abc_Print( -1, "Command line switch \"-F\" should be followed by an integer.\n" );
goto usage;
}
nFrames = atoi(argv[globalUtilOptind]);
globalUtilOptind++;
if ( nFrames < 0 )
goto usage;
break;
case 'W':
if ( globalUtilOptind >= argc )
{
Abc_Print( -1, "Command line switch \"-W\" should be followed by an integer.\n" );
goto usage;
}
nWords = atoi(argv[globalUtilOptind]);
globalUtilOptind++;
if ( nWords < 0 )
goto usage;
break;
case 'B':
if ( globalUtilOptind >= argc )
{
Abc_Print( -1, "Command line switch \"-B\" should be followed by an integer.\n" );
goto usage;
}
nBinSize = atoi(argv[globalUtilOptind]);
globalUtilOptind++;
if ( nBinSize < 0 )
goto usage;
break;
case 'R':
if ( globalUtilOptind >= argc )
{
Abc_Print( -1, "Command line switch \"-R\" should be followed by an integer.\n" );
goto usage;
}
nRounds = atoi(argv[globalUtilOptind]);
globalUtilOptind++;
if ( nRounds < 0 )
goto usage;
break;
case 'T':
if ( globalUtilOptind >= argc )
{
Abc_Print( -1, "Command line switch \"-T\" should be followed by an integer.\n" );
goto usage;
}
TimeOut = atoi(argv[globalUtilOptind]);
globalUtilOptind++;
if ( TimeOut < 0 )
goto usage;
break;
case 'v':
fVerbose ^= 1;
break;
case 'h':
goto usage;
default:
goto usage;
}
}
if ( pNtk == NULL )
{
Abc_Print( -1, "Empty network.\n" );
return 1;
}
if ( !Abc_NtkIsStrash(pNtk) )
{
Abc_Print( -1, "Only works for strashed networks.\n" );
return 1;
}
ABC_FREE( pNtk->pSeqModel );
pAbc->Status = Abc_NtkDarSeqSim2( pNtk, nFrames, nWords, nBinSize, nRounds, TimeOut, fVerbose );
Abc_FrameReplaceCex( pAbc, &pNtk->pSeqModel );
return 0;
usage:
Abc_Print( -2, "usage: sim2 [-FWBRT num] [-vh]\n" );
Abc_Print( -2, "\t performs random simulation of the sequential miter\n" );
Abc_Print( -2, "\t-F num : the number of frames to simulate [default = %d]\n", nFrames );
Abc_Print( -2, "\t-W num : the number of words to simulate [default = %d]\n", nWords );
Abc_Print( -2, "\t-B num : the number of flops in one bin [default = %d]\n", nBinSize );
Abc_Print( -2, "\t-R num : the number of simulation rounds [default = %d]\n", nRounds );
Abc_Print( -2, "\t-T num : approximate runtime limit in seconds [default = %d]\n", TimeOut );
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 []
@@ -24632,21 +24763,10 @@ int Abc_CommandAbc9Sim( Abc_Frame_t * pAbc, int argc, char ** argv )
int c;
Gia_ManSimSetDefaultParams( pPars );
Extra_UtilGetoptReset();
while ( ( c = Extra_UtilGetopt( argc, argv, "WFRTmvh" ) ) != EOF )
while ( ( c = Extra_UtilGetopt( argc, argv, "FWRTmvh" ) ) != EOF )
{
switch ( c )
{
case 'W':
if ( globalUtilOptind >= argc )
{
Abc_Print( -1, "Command line switch \"-W\" should be followed by an integer.\n" );
goto usage;
}
pPars->nWords = atoi(argv[globalUtilOptind]);
globalUtilOptind++;
if ( pPars->nWords < 0 )
goto usage;
break;
case 'F':
if ( globalUtilOptind >= argc )
{
@@ -24658,6 +24778,17 @@ int Abc_CommandAbc9Sim( Abc_Frame_t * pAbc, int argc, char ** argv )
if ( pPars->nIters < 0 )
goto usage;
break;
case 'W':
if ( globalUtilOptind >= argc )
{
Abc_Print( -1, "Command line switch \"-W\" should be followed by an integer.\n" );
goto usage;
}
pPars->nWords = atoi(argv[globalUtilOptind]);
globalUtilOptind++;
if ( pPars->nWords < 0 )
goto usage;
break;
case 'R':
if ( globalUtilOptind >= argc )
{
@@ -24713,11 +24844,11 @@ int Abc_CommandAbc9Sim( Abc_Frame_t * pAbc, int argc, char ** argv )
return 0;
usage:
Abc_Print( -2, "usage: &sim [-WFRT num] [-mvh]\n" );
Abc_Print( -2, "usage: &sim [-FWRT num] [-mvh]\n" );
Abc_Print( -2, "\t performs random simulation of the sequential miter\n" );
Abc_Print( -2, "\t (if candidate equivalences are defined, performs refinement)\n" );
Abc_Print( -2, "\t-W num : the number of words to simulate [default = %d]\n", pPars->nWords );
Abc_Print( -2, "\t-F num : the number of frames to simulate [default = %d]\n", pPars->nIters );
Abc_Print( -2, "\t-W num : the number of words to simulate [default = %d]\n", pPars->nWords );
Abc_Print( -2, "\t-R num : random number seed (1 <= num <= 10000) [default = %d]\n", pPars->RandSeed );
Abc_Print( -2, "\t-T num : approximate runtime limit in seconds [default = %d]\n", pPars->TimeLimit );
Abc_Print( -2, "\t-m : toggle miter vs. any circuit [default = %s]\n", pPars->fCheckMiter? "miter": "circuit" );
src/base/abci/abcDar.c
+46
View File
@@ -3007,6 +3007,52 @@ int Abc_NtkDarSeqSim( Abc_Ntk_t * pNtk, int nFrames, int nWords, int TimeOut, in
return RetValue;
}
/**Function*************************************************************
Synopsis [Performs random simulation.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_NtkDarSeqSim2( Abc_Ntk_t * pNtk, int nFrames, int nWords, int nBinSize, int nRounds, int TimeOut, int fVerbose )
{
Aig_Man_t * pMan;
int status, RetValue = -1, clk = clock();
if ( Abc_NtkGetChoiceNum(pNtk) )
{
printf( "Removing %d choices from the AIG.\n", Abc_NtkGetChoiceNum(pNtk) );
Abc_AigCleanup((Abc_Aig_t *)pNtk->pManFunc);
}
pMan = Abc_NtkToDar( pNtk, 0, 1 );
if ( Ssw_RarSimulate( pMan, nFrames, nWords, nBinSize, nRounds, TimeOut, fVerbose ) )
{
if ( pMan->pSeqModel )
{
printf( "Simulation of %d frames with %d words asserted output %d in frame %d. ",
nFrames, nWords, pMan->pSeqModel->iPo, pMan->pSeqModel->iFrame );
status = Saig_ManVerifyCex( pMan, pMan->pSeqModel );
if ( status == 0 )
printf( "Abc_NtkDarSeqSim(): Counter-example verification has FAILED.\n" );
}
ABC_FREE( pNtk->pModel );
ABC_FREE( pNtk->pSeqModel );
pNtk->pSeqModel = pMan->pSeqModel; pMan->pSeqModel = NULL;
RetValue = 0;
}
else
{
printf( "Simulation of %d frames with %d words did not assert the outputs. ",
nFrames, nWords );
}
ABC_PRT( "Time", clock() - clk );
Aig_ManStop( pMan );
return RetValue;
}
/**Function*************************************************************
Synopsis [Gives the current ABC network to AIG manager for processing.]