Skip to content

A
abc
Commit f917de34 by Alan Mishchenko
Options

Improvements to the SCL package.

parent 56592b28
Showing with 51 additions and 158 deletions
src/map/mpm/mpmGates.c
......@@ -218,7 +218,7 @@ Abc_Ntk_t * Mpm_ManDeriveMappedAbcNtk( Mpm_Man_t * p, Mio_Library_t * pMio )
pObj = Abc_NtkCreateNode( pNtk );
pObj->pData = Vec_PtrEntry( vNpnGatesMio, Abc_Lit2Var(pCutBest->iFunc) );
assert( pObj->pData != NULL );
fCompl = Abc_LitIsCompl(pCutBest->iFunc) ^ ((Config >> 16) & 1);
fCompl = pCutBest->fCompl ^ Abc_LitIsCompl(pCutBest->iFunc) ^ ((Config >> 16) & 1);
Config &= 0xFFFF;
for ( k = 0; k < (int)pCutBest->nLeaves; k++ )
{
......
src/map/scl/scl.c
......@@ -35,7 +35,6 @@ static int Scl_CommandPrintGS ( Abc_Frame_t * pAbc, int argc, char **argv );
static int Scl_CommandStime ( Abc_Frame_t * pAbc, int argc, char **argv );
static int Scl_CommandTopo ( Abc_Frame_t * pAbc, int argc, char **argv );
static int Scl_CommandBuffer ( Abc_Frame_t * pAbc, int argc, char **argv );
static int Scl_CommandGsize ( Abc_Frame_t * pAbc, int argc, char **argv );
static int Scl_CommandUpsize ( Abc_Frame_t * pAbc, int argc, char **argv );
static int Scl_CommandDnsize ( Abc_Frame_t * pAbc, int argc, char **argv );
static int Scl_CommandMinsize ( Abc_Frame_t * pAbc, int argc, char **argv );
......@@ -69,7 +68,6 @@ void Scl_Init( Abc_Frame_t * pAbc )
Cmd_CommandAdd( pAbc, "SCL mapping", "upsize", Scl_CommandUpsize, 1 );
Cmd_CommandAdd( pAbc, "SCL mapping", "dnsize", Scl_CommandDnsize, 1 );
Cmd_CommandAdd( pAbc, "SCL mapping", "print_buf", Scl_CommandPrintBuf, 1 );
// Cmd_CommandAdd( pAbc, "SCL mapping", "gsize", Scl_CommandGsize, 1 );
}
void Scl_End( Abc_Frame_t * pAbc )
{
......@@ -360,7 +358,7 @@ usage:
fprintf( pAbc->Err, "\t performs STA using Liberty library\n" );
fprintf( pAbc->Err, "\t-c : toggle using wire-loads if specified [default = %s]\n", fUseWireLoads? "yes": "no" );
fprintf( pAbc->Err, "\t-a : display timing information for all nodes [default = %s]\n", fShowAll? "yes": "no" );
fprintf( pAbc->Err, "\t-s : display timing information without critical path [default = %s]\n", fShort? "yes": "no" );
fprintf( pAbc->Err, "\t-s : display timing information for critical path [default = %s]\n", fShort? "yes": "no" );
fprintf( pAbc->Err, "\t-d : toggle dumping statistics into a file [default = %s]\n", fDumpStats? "yes": "no" );
fprintf( pAbc->Err, "\t-h : print the help massage\n" );
return 1;
......@@ -517,12 +515,15 @@ usage:
int Scl_CommandMinsize( Abc_Frame_t * pAbc, int argc, char **argv )
{
Abc_Ntk_t * pNtk = Abc_FrameReadNtk(pAbc);
int c, fVerbose = 0;
int c, fUseMax = 0, fVerbose = 0;
Extra_UtilGetoptReset();
while ( ( c = Extra_UtilGetopt( argc, argv, "vh" ) ) != EOF )
while ( ( c = Extra_UtilGetopt( argc, argv, "mvh" ) ) != EOF )
{
switch ( c )
{
case 'm':
fUseMax ^= 1;
break;
case 'v':
fVerbose ^= 1;
break;
......@@ -554,12 +555,13 @@ int Scl_CommandMinsize( Abc_Frame_t * pAbc, int argc, char **argv )
return 1;
}
Abc_SclMinsizePerform( (SC_Lib *)pAbc->pLibScl, pNtk, fVerbose );
Abc_SclMinsizePerform( (SC_Lib *)pAbc->pLibScl, pNtk, fUseMax, fVerbose );
return 0;
usage:
fprintf( pAbc->Err, "usage: minsize [-vh]\n" );
fprintf( pAbc->Err, "usage: minsize [-mvh]\n" );
fprintf( pAbc->Err, "\t downsized all gates to their minimum size\n" );
fprintf( pAbc->Err, "\t-m : toggle upsizing gates to their maximum size [default = %s]\n", fUseMax? "yes": "no" );
fprintf( pAbc->Err, "\t-v : toggle printing verbose information [default = %s]\n", fVerbose? "yes": "no" );
fprintf( pAbc->Err, "\t-h : print the command usage\n");
return 1;
......@@ -576,143 +578,6 @@ usage:
SeeAlso []
***********************************************************************/
int Scl_CommandGsize( Abc_Frame_t * pAbc, int argc, char **argv )
{
SC_SizePars Pars, * pPars = &Pars;
int c;
memset( pPars, 0, sizeof(SC_SizePars) );
pPars->nSteps = 1000000;
pPars->nRange = 0;
pPars->nRangeF = 10;
pPars->nTimeOut = 300;
pPars->fTryAll = 1;
pPars->fUseWireLoads = 1;
pPars->fPrintCP = 0;
pPars->fVerbose = 0;
pPars->fVeryVerbose = 0;
Extra_UtilGetoptReset();
while ( ( c = Extra_UtilGetopt( argc, argv, "NWUTacpvwh" ) ) != 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;
}
pPars->nSteps = atoi(argv[globalUtilOptind]);
globalUtilOptind++;
if ( pPars->nSteps <= 0 )
goto usage;
break;
case 'W':
if ( globalUtilOptind >= argc )
{
Abc_Print( -1, "Command line switch \"-W\" should be followed by a positive integer.\n" );
goto usage;
}
pPars->nRange = atoi(argv[globalUtilOptind]);
globalUtilOptind++;
if ( pPars->nRange < 0 )
goto usage;
break;
case 'U':
if ( globalUtilOptind >= argc )
{
Abc_Print( -1, "Command line switch \"-U\" should be followed by a positive integer.\n" );
goto usage;
}
pPars->nRangeF = atoi(argv[globalUtilOptind]);
globalUtilOptind++;
if ( pPars->nRangeF < 0 )
goto usage;
break;
case 'T':
if ( globalUtilOptind >= argc )
{
Abc_Print( -1, "Command line switch \"-T\" should be followed by a positive integer.\n" );
goto usage;
}
pPars->nTimeOut = atoi(argv[globalUtilOptind]);
globalUtilOptind++;
if ( pPars->nTimeOut < 0 )
goto usage;
break;
case 'a':
pPars->fTryAll ^= 1;
break;
case 'c':
pPars->fUseWireLoads ^= 1;
break;
case 'p':
pPars->fPrintCP ^= 1;
break;
case 'v':
pPars->fVerbose ^= 1;
break;
case 'w':
pPars->fVeryVerbose ^= 1;
break;
case 'h':
goto usage;
default:
goto usage;
}
}
if ( Abc_FrameReadNtk(pAbc) == NULL )
{
fprintf( pAbc->Err, "There is no current network.\n" );
return 1;
}
if ( !Abc_NtkHasMapping(Abc_FrameReadNtk(pAbc)) )
{
fprintf( pAbc->Err, "The current network is not mapped.\n" );
return 1;
}
if ( !Abc_SclCheckNtk(Abc_FrameReadNtk(pAbc), 0) )
{
fprintf( pAbc->Err, "The current network is not in a topo order (run \"topo\").\n" );
return 1;
}
if ( pAbc->pLibScl == NULL )
{
fprintf( pAbc->Err, "There is no Liberty library available.\n" );
return 1;
}
// Abc_SclSizingPerform( (SC_Lib *)pAbc->pLibScl, Abc_FrameReadNtk(pAbc), pPars );
return 0;
usage:
fprintf( pAbc->Err, "usage: gsize [-NWUT num] [-acpvwh]\n" );
fprintf( pAbc->Err, "\t performs gate sizing using Liberty library\n" );
fprintf( pAbc->Err, "\t-N <num> : the number of gate-sizing steps performed [default = %d]\n", pPars->nSteps );
fprintf( pAbc->Err, "\t-W <num> : delay window (in percent) of near-critical COs [default = %d]\n", pPars->nRange );
fprintf( pAbc->Err, "\t-U <num> : delay window (in percent) of near-critical fanins [default = %d]\n", pPars->nRangeF );
fprintf( pAbc->Err, "\t-T <num> : an approximate timeout, in seconds [default = %d]\n", pPars->nTimeOut );
fprintf( pAbc->Err, "\t-a : try resizing all gates (not only critical) [default = %s]\n", pPars->fTryAll? "yes": "no" );
fprintf( pAbc->Err, "\t-c : toggle using wire-loads if specified [default = %s]\n", pPars->fUseWireLoads? "yes": "no" );
fprintf( pAbc->Err, "\t-p : toggle printing critical path before and after sizing [default = %s]\n", pPars->fPrintCP? "yes": "no" );
fprintf( pAbc->Err, "\t-v : toggle printing verbose information [default = %s]\n", pPars->fVerbose? "yes": "no" );
fprintf( pAbc->Err, "\t-w : toggle printing even more information [default = %s]\n", pPars->fVeryVerbose? "yes": "no" );
fprintf( pAbc->Err, "\t-h : print the help massage\n" );
return 1;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Scl_CommandUpsize( Abc_Frame_t * pAbc, int argc, char **argv )
{
SC_UpSizePars Pars, * pPars = &Pars;
......@@ -726,11 +591,12 @@ int Scl_CommandUpsize( Abc_Frame_t * pAbc, int argc, char **argv )
pPars->Notches = 20;
pPars->TimeOut = 0;
pPars->fUseDept = 1;
pPars->fUseWireLoads = 1;
pPars->fDumpStats = 0;
pPars->fVerbose = 0;
pPars->fVeryVerbose = 0;
Extra_UtilGetoptReset();
while ( ( c = Extra_UtilGetopt( argc, argv, "IJWRNTsdvwh" ) ) != EOF )
while ( ( c = Extra_UtilGetopt( argc, argv, "IJWRNTcsdvwh" ) ) != EOF )
{
switch ( c )
{
......@@ -800,6 +666,9 @@ int Scl_CommandUpsize( Abc_Frame_t * pAbc, int argc, char **argv )
if ( pPars->TimeOut < 0 )
goto usage;
break;
case 'c':
pPars->fUseWireLoads ^= 1;
break;
case 's':
pPars->fUseDept ^= 1;
break;
......@@ -844,7 +713,7 @@ int Scl_CommandUpsize( Abc_Frame_t * pAbc, int argc, char **argv )
return 0;
usage:
fprintf( pAbc->Err, "usage: upsize [-IJWRNT num] [-sdvwh]\n" );
fprintf( pAbc->Err, "usage: upsize [-IJWRNT num] [-csdvwh]\n" );
fprintf( pAbc->Err, "\t selectively increases gate sizes on the critical path\n" );
fprintf( pAbc->Err, "\t-I <num> : the number of upsizing iterations to perform [default = %d]\n", pPars->nIters );
fprintf( pAbc->Err, "\t-J <num> : the number of iterations without improvement to stop [default = %d]\n", pPars->nIterNoChange );
......@@ -852,6 +721,7 @@ usage:
fprintf( pAbc->Err, "\t-R <num> : ratio of critical nodes (in percent) to update [default = %d]\n", pPars->Ratio );
fprintf( pAbc->Err, "\t-N <num> : limit on discrete upsizing steps at a node [default = %d]\n", pPars->Notches );
fprintf( pAbc->Err, "\t-T <num> : approximate timeout in seconds [default = %d]\n", pPars->TimeOut );
fprintf( pAbc->Err, "\t-c : toggle using wire-loads if specified [default = %s]\n", pPars->fUseWireLoads? "yes": "no" );
fprintf( pAbc->Err, "\t-s : toggle using slack based on departure times [default = %s]\n", pPars->fUseDept? "yes": "no" );
fprintf( pAbc->Err, "\t-d : toggle dumping statistics into a file [default = %s]\n", pPars->fDumpStats? "yes": "no" );
fprintf( pAbc->Err, "\t-v : toggle printing verbose information [default = %s]\n", pPars->fVerbose? "yes": "no" );
......@@ -882,11 +752,12 @@ int Scl_CommandDnsize( Abc_Frame_t * pAbc, int argc, char **argv )
pPars->nIterNoChange = 50;
pPars->TimeOut = 0;
pPars->fUseDept = 1;
pPars->fUseWireLoads = 1;
pPars->fDumpStats = 0;
pPars->fVerbose = 0;
pPars->fVeryVerbose = 0;
Extra_UtilGetoptReset();
while ( ( c = Extra_UtilGetopt( argc, argv, "DIJTsdvwh" ) ) != EOF )
while ( ( c = Extra_UtilGetopt( argc, argv, "DIJTcsdvwh" ) ) != EOF )
{
switch ( c )
{
......@@ -934,6 +805,9 @@ int Scl_CommandDnsize( Abc_Frame_t * pAbc, int argc, char **argv )
if ( pPars->TimeOut < 0 )
goto usage;
break;
case 'c':
pPars->fUseWireLoads ^= 1;
break;
case 's':
pPars->fUseDept ^= 1;
break;
......@@ -978,12 +852,13 @@ int Scl_CommandDnsize( Abc_Frame_t * pAbc, int argc, char **argv )
return 0;
usage:
fprintf( pAbc->Err, "usage: dnsize [-DIJT num] [-sdvwh]\n" );
fprintf( pAbc->Err, "usage: dnsize [-DIJT num] [-csdvwh]\n" );
fprintf( pAbc->Err, "\t selectively decreases gate sizes while maintaining delay\n" );
fprintf( pAbc->Err, "\t-D <num> : the target max delay after downsizing in picosecs [default = %.2f]\n", pPars->DUser );
fprintf( pAbc->Err, "\t-I <num> : the number of upsizing iterations to perform [default = %d]\n", pPars->nIters );
fprintf( pAbc->Err, "\t-J <num> : the number of iterations without improvement to stop [default = %d]\n", pPars->nIterNoChange );
fprintf( pAbc->Err, "\t-T <num> : approximate timeout in seconds [default = %d]\n", pPars->TimeOut );
fprintf( pAbc->Err, "\t-c : toggle using wire-loads if specified [default = %s]\n", pPars->fUseWireLoads? "yes": "no" );
fprintf( pAbc->Err, "\t-s : toggle using slack based on departure times [default = %s]\n", pPars->fUseDept? "yes": "no" );
fprintf( pAbc->Err, "\t-d : toggle dumping statistics into a file [default = %s]\n", pPars->fDumpStats? "yes": "no" );
fprintf( pAbc->Err, "\t-v : toggle printing verbose information [default = %s]\n", pPars->fVerbose? "yes": "no" );
......
src/map/scl/sclDnsize.c
......@@ -254,12 +254,13 @@ void Abc_SclDnsizePerform( SC_Lib * pLib, Abc_Ntk_t * pNtk, SC_DnSizePars * pPar
printf( "Delay =%8.2f ps. ", pPars->DUser );
printf( "Iters =%5d. ", pPars->nIters );
printf( "UseDept =%2d. ", pPars->fUseDept );
printf( "UseWL =%2d. ", pPars->fUseWireLoads );
printf( "Timeout =%4d sec", pPars->TimeOut );
printf( "\n" );
}
// prepare the manager; collect init stats
p = Abc_SclManStart( pLib, pNtk, 1, pPars->fUseDept, SC_LibTimeFromPs(pLib, pPars->DUser) );
p = Abc_SclManStart( pLib, pNtk, pPars->fUseWireLoads, pPars->fUseDept, SC_LibTimeFromPs(pLib, pPars->DUser) );
p->timeTotal = Abc_Clock();
assert( p->vGatesBest == NULL );
p->vGatesBest = Vec_IntDup( p->vGates );
......
src/map/scl/sclInt.h
......@@ -85,6 +85,7 @@ struct SC_UpSizePars_
int TimeOut;
int fUseDept;
int fDumpStats;
int fUseWireLoads;
int fVerbose;
int fVeryVerbose;
};
......@@ -98,6 +99,7 @@ struct SC_DnSizePars_
int TimeOut;
int fUseDept;
int fDumpStats;
int fUseWireLoads;
int fVerbose;
int fVeryVerbose;
};
......@@ -480,7 +482,7 @@ extern void Abc_SclPrintCells( SC_Lib * p );
extern Vec_Int_t * Abc_SclManFindGates( SC_Lib * pLib, Abc_Ntk_t * p );
extern void Abc_SclManSetGates( SC_Lib * pLib, Abc_Ntk_t * p, Vec_Int_t * vGates );
extern void Abc_SclPrintGateSizes( SC_Lib * pLib, Abc_Ntk_t * p );
extern void Abc_SclMinsizePerform( SC_Lib * pLib, Abc_Ntk_t * p, int fVerbose );
extern void Abc_SclMinsizePerform( SC_Lib * pLib, Abc_Ntk_t * p, int fUseMax, int fVerbose );
ABC_NAMESPACE_HEADER_END
......
src/map/scl/sclUpsize.c
......@@ -475,16 +475,16 @@ void Abc_SclUpsizePerform( SC_Lib * pLib, Abc_Ntk_t * pNtk, SC_UpSizePars * pPar
{
printf( "Upsizing parameters: " );
printf( "Iters =%5d. ", pPars->nIters );
printf( "Time window =%3d %%. ", pPars->Window );
printf( "Time win =%3d %%. ", pPars->Window );
printf( "Update ratio =%3d %%. ", pPars->Ratio );
printf( "Max steps =%3d. ", pPars->Notches );
printf( "UseDept =%2d. ", pPars->fUseDept );
printf( "UseWL =%2d. ", pPars->fUseWireLoads );
printf( "Timeout =%4d sec", pPars->TimeOut );
printf( "\n" );
}
// prepare the manager; collect init stats
p = Abc_SclManStart( pLib, pNtk, 1, pPars->fUseDept, 0 );
p = Abc_SclManStart( pLib, pNtk, pPars->fUseWireLoads, pPars->fUseDept, 0 );
p->timeTotal = Abc_Clock();
assert( p->vGatesBest == NULL );
p->vGatesBest = Vec_IntDup( p->vGates );
......
src/map/scl/sclUtil.c
......@@ -303,17 +303,33 @@ void Abc_SclPrintGateSizes( SC_Lib * pLib, Abc_Ntk_t * p )
SeeAlso []
***********************************************************************/
void Abc_SclMinsizePerform( SC_Lib * pLib, Abc_Ntk_t * p, int fVerbose )
SC_Cell * Abc_SclFindMaxAreaCell( SC_Cell * pRepr )
{
SC_Cell * pCell, * pBest = pRepr;
float AreaBest = pRepr->area;
int i;
SC_RingForEachCell( pRepr, pCell, i )
if ( AreaBest < pCell->area )
{
AreaBest = pCell->area;
pBest = pCell;
}
return pBest;
}
void Abc_SclMinsizePerform( SC_Lib * pLib, Abc_Ntk_t * p, int fUseMax, int fVerbose )
{
Vec_Int_t * vMinCells, * vGates;
SC_Cell * pCell, * pRepr = NULL;
SC_Cell * pCell, * pRepr = NULL, * pBest = NULL;
Abc_Obj_t * pObj;
int i, k, gateId;
// map each gate in the library into its min-size prototype
vMinCells = Vec_IntStartFull( Vec_PtrSize(pLib->vCells) );
SC_LibForEachCellClass( pLib, pRepr, i )
{
pBest = fUseMax ? Abc_SclFindMaxAreaCell(pRepr) : pRepr;
SC_RingForEachCell( pRepr, pCell, k )
Vec_IntWriteEntry( vMinCells, pCell->Id, pRepr->Id );
Vec_IntWriteEntry( vMinCells, pCell->Id, pBest->Id );
}
// update each cell
vGates = Abc_SclManFindGates( pLib, p );
Abc_NtkForEachNode1( p, pObj, i )
......@@ -329,7 +345,6 @@ void Abc_SclMinsizePerform( SC_Lib * pLib, Abc_Ntk_t * p, int fVerbose )
Vec_IntFree( vGates );
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment