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-rw-r--r--src/base/abci/abc.c35
-rw-r--r--src/base/abci/abcAbc8.c35
-rw-r--r--src/base/abci/abcDar.c34
3 files changed, 95 insertions, 9 deletions
diff --git a/src/base/abci/abc.c b/src/base/abci/abc.c
index 6340f358..14f635e3 100644
--- a/src/base/abci/abc.c
+++ b/src/base/abci/abc.c
@@ -11021,7 +11021,7 @@ int Abc_CommandIf( Abc_Frame_t * pAbc, int argc, char ** argv )
pPars->nFlowIters = 1;
pPars->nAreaIters = 2;
pPars->DelayTarget = -1;
- pPars->Epsilon = (float)0.001;
+ pPars->Epsilon = (float)0.005;
pPars->fPreprocess = 1;
pPars->fArea = 0;
pPars->fFancy = 0;
@@ -11918,23 +11918,30 @@ int Abc_CommandDRetime( Abc_Frame_t * pAbc, int argc, char ** argv )
{
FILE * pOut, * pErr;
Abc_Ntk_t * pNtk, * pNtkRes;
+ int fMinArea;
+ int fForwardOnly;
+ int fBackwardOnly;
int nStepsMax;
int fFastAlgo;
int fVerbose;
int c;
extern Abc_Ntk_t * Abc_NtkDarRetime( Abc_Ntk_t * pNtk, int nStepsMax, int fVerbose );
extern Abc_Ntk_t * Abc_NtkDarRetimeF( Abc_Ntk_t * pNtk, int nStepsMax, int fVerbose );
+ extern Abc_Ntk_t * Abc_NtkDarRetimeMinArea( Abc_Ntk_t * pNtk, int fForwardOnly, int fBackwardOnly, int fVerbose );
pNtk = Abc_FrameReadNtk(pAbc);
pOut = Abc_FrameReadOut(pAbc);
pErr = Abc_FrameReadErr(pAbc);
// set defaults
+ fMinArea = 1;
+ fForwardOnly = 1;
+ fBackwardOnly = 0;
nStepsMax = 100000;
- fFastAlgo = 0;
+ fFastAlgo = 1;
fVerbose = 0;
Extra_UtilGetoptReset();
- while ( ( c = Extra_UtilGetopt( argc, argv, "Savh" ) ) != EOF )
+ while ( ( c = Extra_UtilGetopt( argc, argv, "Smfbavh" ) ) != EOF )
{
switch ( c )
{
@@ -11949,6 +11956,15 @@ int Abc_CommandDRetime( Abc_Frame_t * pAbc, int argc, char ** argv )
if ( nStepsMax < 0 )
goto usage;
break;
+ case 'm':
+ fMinArea ^= 1;
+ break;
+ case 'f':
+ fForwardOnly ^= 1;
+ break;
+ case 'b':
+ fBackwardOnly ^= 1;
+ break;
case 'a':
fFastAlgo ^= 1;
break;
@@ -11981,7 +11997,9 @@ int Abc_CommandDRetime( Abc_Frame_t * pAbc, int argc, char ** argv )
}
// perform the retiming
- if ( fFastAlgo )
+ if ( fMinArea )
+ pNtkRes = Abc_NtkDarRetimeMinArea( pNtk, fForwardOnly, fBackwardOnly, fVerbose );
+ else if ( fFastAlgo )
pNtkRes = Abc_NtkDarRetime( pNtk, nStepsMax, fVerbose );
else
pNtkRes = Abc_NtkDarRetimeF( pNtk, nStepsMax, fVerbose );
@@ -11995,10 +12013,13 @@ int Abc_CommandDRetime( Abc_Frame_t * pAbc, int argc, char ** argv )
return 0;
usage:
- fprintf( pErr, "usage: dretime [-S num] [-avh]\n" );
+ fprintf( pErr, "usage: dretime [-S num] [-mfbavh]\n" );
fprintf( pErr, "\t retimes the current network forward\n" );
- fprintf( pErr, "\t-S num : the max number of retiming steps to perform [default = %d]\n", nStepsMax );
- fprintf( pErr, "\t-a : enables a fast algorithm [default = %s]\n", fFastAlgo? "yes": "no" );
+ fprintf( pErr, "\t-m : toggle min-area and most-forward retiming [default = %s]\n", fMinArea? "min-area": "most-fwd" );
+ fprintf( pErr, "\t-f : enables forward-only retiming [default = %s]\n", fForwardOnly? "yes": "no" );
+ fprintf( pErr, "\t-b : enables backward-only retiming [default = %s]\n", fBackwardOnly? "yes": "no" );
+ fprintf( pErr, "\t-S num : the max number of forward retiming steps to perform [default = %d]\n", nStepsMax );
+ fprintf( pErr, "\t-a : enables a fast most-forward algorithm [default = %s]\n", fFastAlgo? "yes": "no" );
fprintf( pErr, "\t-v : enables verbose output [default = %s]\n", fVerbose? "yes": "no" );
fprintf( pErr, "\t-h : print the command usage\n");
return 1;
diff --git a/src/base/abci/abcAbc8.c b/src/base/abci/abcAbc8.c
index b2359763..d58f6b7e 100644
--- a/src/base/abci/abcAbc8.c
+++ b/src/base/abci/abcAbc8.c
@@ -50,7 +50,7 @@ Nwk_Man_t * Abc_NtkToNtkNew( Abc_Ntk_t * pNtk )
int i, k;
if ( !Abc_NtkIsLogic(pNtk) )
{
- fprintf( stdout, "Thsi is not a logic network.\n" );
+ fprintf( stdout, "This is not a logic network.\n" );
return 0;
}
// convert into the AIG
@@ -219,7 +219,7 @@ PRT( "Time", clock() - clk );
SeeAlso []
***********************************************************************/
-Abc_Ntk_t * Abc_NtkNtkTest( Abc_Ntk_t * pNtk, If_Lib_t * pLutLib )
+Abc_Ntk_t * Abc_NtkNtkTest4( Abc_Ntk_t * pNtk, If_Lib_t * pLutLib )
{
extern int Mfx_Perform( Nwk_Man_t * pNtk, Mfx_Par_t * pPars, If_Lib_t * pLutLib );
@@ -236,6 +236,37 @@ Abc_Ntk_t * Abc_NtkNtkTest( Abc_Ntk_t * pNtk, If_Lib_t * pLutLib )
return pNtkNew;
}
+/**Function*************************************************************
+
+ Synopsis []
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+Abc_Ntk_t * Abc_NtkNtkTest( Abc_Ntk_t * pNtk, If_Lib_t * pLutLib )
+{
+ Vec_Ptr_t * vNodes;
+ extern Vec_Ptr_t * Nwk_ManRetimeCutForward( Nwk_Man_t * pMan, int nLatches, int fVerbose );
+ extern Vec_Ptr_t * Nwk_ManRetimeCutBackward( Nwk_Man_t * pMan, int nLatches, int fVerbose );
+
+ Mfx_Par_t Pars, * pPars = &Pars;
+ Abc_Ntk_t * pNtkNew;
+ Nwk_Man_t * pMan;
+ pMan = Abc_NtkToNtkNew( pNtk );
+
+ vNodes = Nwk_ManRetimeCutBackward( pMan, Abc_NtkLatchNum(pNtk), 1 );
+// vNodes = Nwk_ManRetimeCutForward( pMan, Abc_NtkLatchNum(pNtk), 1 );
+ Vec_PtrFree( vNodes );
+
+ pNtkNew = Abc_NtkFromNtkNew( pNtk, pMan );
+ Nwk_ManFree( pMan );
+ return pNtkNew;
+}
+
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
diff --git a/src/base/abci/abcDar.c b/src/base/abci/abcDar.c
index d7263bbc..db3000cf 100644
--- a/src/base/abci/abcDar.c
+++ b/src/base/abci/abcDar.c
@@ -1429,6 +1429,40 @@ Abc_Ntk_t * Abc_NtkDarRetime( Abc_Ntk_t * pNtk, int nStepsMax, int fVerbose )
SeeAlso []
***********************************************************************/
+Abc_Ntk_t * Abc_NtkDarRetimeMinArea( Abc_Ntk_t * pNtk, int fForwardOnly, int fBackwardOnly, int fVerbose )
+{
+ extern Aig_Man_t * Saig_ManRetimeMinArea( Aig_Man_t * p, int fForwardOnly, int fBackwardOnly, int fVerbose );
+ Abc_Ntk_t * pNtkAig;
+ Aig_Man_t * pMan, * pTemp;
+ pMan = Abc_NtkToDar( pNtk, 0, 1 );
+ if ( pMan == NULL )
+ return NULL;
+ if ( pMan->vFlopNums )
+ Vec_IntFree( pMan->vFlopNums );
+ pMan->vFlopNums = NULL;
+
+ pMan->nTruePis = Aig_ManPiNum(pMan) - Aig_ManRegNum(pMan);
+ pMan->nTruePos = Aig_ManPoNum(pMan) - Aig_ManRegNum(pMan);
+
+ pMan = Saig_ManRetimeMinArea( pTemp = pMan, fForwardOnly, fBackwardOnly, fVerbose );
+ Aig_ManStop( pTemp );
+
+ pNtkAig = Abc_NtkFromDarSeqSweep( pNtk, pMan );
+ Aig_ManStop( pMan );
+ return pNtkAig;
+}
+
+/**Function*************************************************************
+
+ Synopsis [Gives the current ABC network to AIG manager for processing.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
Abc_Ntk_t * Abc_NtkDarRetimeF( Abc_Ntk_t * pNtk, int nStepsMax, int fVerbose )
{
Abc_Ntk_t * pNtkAig;
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-16 13:42:15 +0000