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Commit e6e6a3cf by Alan Mishchenko
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Changes to the matching procedure.

parent ff4c674d
Showing with 55 additions and 28 deletions
src/base/abci/abc.c
......@@ -903,8 +903,8 @@ void Abc_Init( Abc_Frame_t * pAbc )
}
*/
{
// extern void If_CluTest();
// If_CluTest();
extern void If_CluTest();
If_CluTest();
}
}
......@@ -13252,7 +13252,7 @@ int Abc_CommandIf( Abc_Frame_t * pAbc, int argc, char ** argv )
pPars->fCutMin = 1;
}
if ( pPars->fEnableCheck07 + pPars->fEnableCheck08 + pPars->fEnableCheck10 > 1 )
if ( pPars->fEnableCheck07 + pPars->fEnableCheck08 + pPars->fEnableCheck10 + (pPars->pLutStruct != NULL) > 1 )
{
Abc_Print( -1, "Only one additional check can be performed at the same time.\n" );
return 1;
......@@ -13287,6 +13287,16 @@ int Abc_CommandIf( Abc_Frame_t * pAbc, int argc, char ** argv )
pPars->pFuncCell = If_CutPerformCheck10;
pPars->fCutMin = 1;
}
if ( pPars->pLutStruct )
{
if ( pPars->nLutSize < 6 || pPars->nLutSize > 11 )
{
Abc_Print( -1, "This feature only works for {6,7,8,9,10,11}-LUTs.\n" );
return 1;
}
pPars->pFuncCell = If_CutPerformCheck16;
pPars->fCutMin = 1;
}
// enable truth table computation if cut minimization is selected
if ( pPars->fCutMin )
......@@ -13303,7 +13313,7 @@ int Abc_CommandIf( Abc_Frame_t * pAbc, int argc, char ** argv )
pPars->fUsePerm = 1;
pPars->pLutLib = NULL;
}
/*
// modify for LUT structures
if ( pPars->pLutStruct )
{
......@@ -13317,7 +13327,7 @@ int Abc_CommandIf( Abc_Frame_t * pAbc, int argc, char ** argv )
pPars->fUsePerm = 1;
pPars->pLutLib = NULL;
}
*/
// complain if truth tables are requested but the cut size is too large
if ( pPars->fTruth && pPars->nLutSize > IF_MAX_FUNC_LUTSIZE )
{
......
src/map/if/if.h
......@@ -121,7 +121,7 @@ struct If_Par_t_
float * pTimesReq; // required times
int (* pFuncCost) (If_Cut_t *); // procedure to compute the user's cost of a cut
int (* pFuncUser) (If_Man_t *, If_Obj_t *, If_Cut_t *); // procedure called for each cut when cut computation is finished
int (* pFuncCell) (unsigned *, int, int); // procedure called for cut functions
int (* pFuncCell) (unsigned *, int, int, char *); // procedure called for cut functions
void * pReoMan; // reordering manager
};
......@@ -184,7 +184,10 @@ struct If_Man_t_
If_Set_t * pFreeList; // the list of free cutsets
int nSmallSupp; // the small support
int nCutsTotal;
int nCutsUseless;
int nCutsUseless[32];
int nCutsCount[32];
int nCutsCountAll;
int nCutsUselessAll;
// timing manager
Tim_Man_t * pManTim;
Vec_Int_t * vCoAttrs; // CO attributes 0=optimize; 1=keep; 2=relax
......@@ -413,9 +416,10 @@ extern float If_CutPowerRef( If_Man_t * p, If_Cut_t * pCut, If_Obj_t *
extern float If_CutPowerDerefed( If_Man_t * p, If_Cut_t * pCut, If_Obj_t * pRoot );
extern float If_CutPowerRefed( If_Man_t * p, If_Cut_t * pCut, If_Obj_t * pRoot );
/*=== ifDec.c =============================================================*/
extern int If_CutPerformCheck07( unsigned * pTruth, int nVars, int nLeaves );
extern int If_CutPerformCheck08( unsigned * pTruth, int nVars, int nLeaves );
extern int If_CutPerformCheck10( unsigned * pTruth, int nVars, int nLeaves );
extern int If_CutPerformCheck07( unsigned * pTruth, int nVars, int nLeaves, char * pStr );
extern int If_CutPerformCheck08( unsigned * pTruth, int nVars, int nLeaves, char * pStr );
extern int If_CutPerformCheck10( unsigned * pTruth, int nVars, int nLeaves, char * pStr );
extern int If_CutPerformCheck16( unsigned * pTruth, int nVars, int nLeaves, char * pStr );
extern float If_CutDelayLutStruct( If_Man_t * p, If_Cut_t * pCut, char * pStr, float WireDelay );
/*=== ifLib.c =============================================================*/
extern If_Lib_t * If_LutLibRead( char * FileName );
......
src/map/if/ifCut.c
......@@ -685,7 +685,7 @@ void If_CutSort( If_Man_t * p, If_Set_t * pCutSet, If_Cut_t * pCut )
return;
}
if ( (p->pPars->fUseBat || p->pPars->fEnableCheck07 || p->pPars->fEnableCheck08 || p->pPars->fEnableCheck10) && !pCut->fUseless )
if ( (p->pPars->fUseBat || p->pPars->fEnableCheck07 || p->pPars->fEnableCheck08 || p->pPars->fEnableCheck10 || p->pPars->pLutStruct) && !pCut->fUseless )
{
If_Cut_t * pFirst = pCutSet->ppCuts[0];
if ( pFirst->fUseless || If_ManSortCompare(p, pFirst, pCut) == 1 )
......
src/map/if/ifDec07.c
......@@ -673,9 +673,9 @@ int If_Dec7PickBestMux( word t[2], word c0r[2], word c1r[2] )
SeeAlso []
***********************************************************************/
int If_CutPerformCheck07( unsigned * pTruth, int nVars, int nLeaves )
int If_CutPerformCheck07( unsigned * pTruth, int nVars, int nLeaves, char * pStr )
{
int fDerive = 1;
int fDerive = 0;
if ( nLeaves < 6 )
return 1;
if ( nLeaves == 6 )
......@@ -685,7 +685,10 @@ int If_CutPerformCheck07( unsigned * pTruth, int nVars, int nLeaves )
return 1;
z = If_Dec6Perform( t, fDerive );
if ( fDerive && z )
{
// If_DecPrintConfig( z );
If_Dec6Verify( t, z );
}
return z != 0;
}
if ( nLeaves == 7 )
......@@ -698,8 +701,6 @@ int If_CutPerformCheck07( unsigned * pTruth, int nVars, int nLeaves )
z = If_Dec7Perform( t, fDerive );
if ( fDerive && z )
If_Dec7Verify( t, z );
return z != 0;
}
assert( 0 );
......
src/map/if/ifDec08.c
......@@ -478,7 +478,7 @@ printf( "\n" );
SeeAlso []
***********************************************************************/
int If_CutPerformCheck08( unsigned * pTruth, int nVars, int nLeaves )
int If_CutPerformCheck08( unsigned * pTruth, int nVars, int nLeaves, char * pStr )
{
int nSupp, fDerive = 0;
word z[2] = {0}, pF[16];
......
src/map/if/ifDec10.c
......@@ -477,7 +477,7 @@ printf( "\n" );
SeeAlso []
***********************************************************************/
int If_CutPerformCheck10( unsigned * pTruth, int nVars, int nLeaves )
int If_CutPerformCheck10( unsigned * pTruth, int nVars, int nLeaves, char * pStr )
{
int nSupp, fDerive = 0;
word z[2] = {0}, pF[16];
......
src/map/if/ifMan.c
......@@ -127,8 +127,15 @@ void If_ManRestart( If_Man_t * p )
***********************************************************************/
void If_ManStop( If_Man_t * p )
{
if ( p->nCutsUseless && p->pPars->fVerbose )
Abc_Print( 1, "Useless cuts = %7d (out of %7d) (%6.2f %%)\n", p->nCutsUseless, p->nCutsTotal, 100.0*p->nCutsUseless/(p->nCutsTotal+1) );
// if ( p->nCutsUselessAll && p->pPars->fVerbose )
if ( p->nCutsUselessAll )
{
int i;
for ( i = 0; i <= 16; i++ )
if ( p->nCutsUseless[i] )
Abc_Print( 1, "Useless cuts %2d = %7d (out of %7d) (%6.2f %%)\n", i, p->nCutsUseless[i], p->nCutsCount[i], 100.0*p->nCutsUseless[i]/(p->nCutsCount[i]+1) );
Abc_Print( 1, "Useless cuts all = %7d (out of %7d) (%6.2f %%)\n", p->nCutsUselessAll, p->nCutsCountAll, 100.0*p->nCutsUselessAll/(p->nCutsCountAll+1) );
}
// Abc_PrintTime( 1, "Truth", p->timeTruth );
// Abc_Print( 1, "Small support = %d.\n", p->nSmallSupp );
Vec_IntFreeP( &p->vCoAttrs );
......
src/map/if/ifMap.c
......@@ -153,9 +153,10 @@ void If_ObjPerformMappingAnd( If_Man_t * p, If_Obj_t * pObj, int Mode, int fPrep
if ( pCut->nLeaves > 0 )
{
// recompute the parameters of the best cut
if ( p->pPars->pLutStruct )
pCut->Delay = If_CutDelayLutStruct( p, pCut, p->pPars->pLutStruct, p->pPars->WireDelay );
else if ( p->pPars->fDelayOpt )
/// if ( p->pPars->pLutStruct )
/// pCut->Delay = If_CutDelayLutStruct( p, pCut, p->pPars->pLutStruct, p->pPars->WireDelay );
// else if ( p->pPars->fDelayOpt )
if ( p->pPars->fDelayOpt )
pCut->Delay = If_CutDelaySopCost( p, pCut );
else
pCut->Delay = If_CutDelay( p, pObj, pCut );
......@@ -205,9 +206,12 @@ void If_ObjPerformMappingAnd( If_Man_t * p, If_Obj_t * pObj, int Mode, int fPrep
pCut->fUseless = 0;
if ( p->pPars->pFuncCell && RetValue < 2 )
{
assert( pCut->nLimit >= 4 && pCut->nLimit <= 10 );
pCut->fUseless = !p->pPars->pFuncCell( If_CutTruth(pCut), pCut->nLimit, pCut->nLeaves );
p->nCutsUseless += pCut->fUseless;
assert( pCut->nLimit >= 4 && pCut->nLimit <= 16 );
pCut->fUseless = !p->pPars->pFuncCell( If_CutTruth(pCut), pCut->nLimit, pCut->nLeaves, p->pPars->pLutStruct );
p->nCutsUselessAll += pCut->fUseless;
p->nCutsUseless[pCut->nLeaves] += pCut->fUseless;
p->nCutsCountAll++;
p->nCutsCount[pCut->nLeaves]++;
}
}
......@@ -217,9 +221,10 @@ void If_ObjPerformMappingAnd( If_Man_t * p, If_Obj_t * pObj, int Mode, int fPrep
if ( pCut->Cost == IF_COST_MAX )
continue;
// check if the cut satisfies the required times
if ( p->pPars->pLutStruct )
pCut->Delay = If_CutDelayLutStruct( p, pCut, p->pPars->pLutStruct, p->pPars->WireDelay );
else if ( p->pPars->fDelayOpt )
/// if ( p->pPars->pLutStruct )
/// pCut->Delay = If_CutDelayLutStruct( p, pCut, p->pPars->pLutStruct, p->pPars->WireDelay );
// else if ( p->pPars->fDelayOpt )
if ( p->pPars->fDelayOpt )
pCut->Delay = If_CutDelaySopCost( p, pCut );
else
pCut->Delay = If_CutDelay( p, pObj, pCut );
......
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