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Added switch 'satclp -Z' to control the max size of the cone to work with (fix overlow).

This commit is contained in:
Alan Mishchenko 2015-10-25 10:24:57 -07:00
parent 45bf632452
commit 0b7734ca99
1 changed files with 11 additions and 7 deletions
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18
src/base/abci/abcCollapse.c
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@ -420,7 +420,7 @@ Abc_Ntk_t * Abc_NtkFromSops( Abc_Ntk_t * pNtk, int nCubeLim, int nBTLimit, int n
Vec_Ptr_t * vDriverCopy, * vCoNodes, * vDfsNodes; Vec_Ptr_t * vDriverCopy, * vCoNodes, * vDfsNodes;
Vec_Int_t * vNodeCoIds, * vLevel; Vec_Int_t * vNodeCoIds, * vLevel;
Vec_Wec_t * vSupps; Vec_Wec_t * vSupps;
int i, Cost; int i;
// Abc_NtkForEachCi( pNtk, pNode, i ) // Abc_NtkForEachCi( pNtk, pNode, i )
// printf( "%d ", Abc_ObjFanoutNum(pNode) ); // printf( "%d ", Abc_ObjFanoutNum(pNode) );
@ -433,17 +433,21 @@ Abc_Ntk_t * Abc_NtkFromSops( Abc_Ntk_t * pNtk, int nCubeLim, int nBTLimit, int n
// compute cost of the largest node // compute cost of the largest node
if ( nCubeLim > 0 ) if ( nCubeLim > 0 )
{ {
pNode = (Abc_Obj_t *)Vec_PtrEntry( vCoNodes, 0 ); word Cost;
pNode = (Abc_Obj_t *)Vec_PtrEntry( vCoNodes, 0 );
vDfsNodes = Abc_NtkDfsNodes( pNtk, &pNode, 1 ); vDfsNodes = Abc_NtkDfsNodes( pNtk, &pNode, 1 );
vLevel = Vec_WecEntry( vSupps, Abc_ObjFaninId0(pNode) ); vLevel = Vec_WecEntry( vSupps, Abc_ObjFaninId0(pNode) );
Cost = Vec_PtrSize(vDfsNodes) * Vec_IntSize(vLevel) * nCubeLim; Cost = (word)Vec_PtrSize(vDfsNodes) * (word)Vec_IntSize(vLevel) * (word)nCubeLim;
Vec_PtrFree( vDfsNodes ); if ( Cost > (word)nCostMax )
if ( Cost > nCostMax )
{ {
printf( "Cost of the largest output cone exceeded the limit (%d * %d * %d > %d).\n",
Vec_PtrSize(vDfsNodes), Vec_IntSize(vLevel), nCubeLim, nCostMax );
Vec_PtrFree( vDfsNodes );
Vec_PtrFree( vCoNodes ); Vec_PtrFree( vCoNodes );
Vec_WecFree( vSupps ); Vec_WecFree( vSupps );
return NULL; return NULL;
} }
Vec_PtrFree( vDfsNodes );
} }
// collect CO IDs in this order // collect CO IDs in this order
vNodeCoIds = Vec_IntAlloc( Abc_NtkCoNum(pNtk) ); vNodeCoIds = Vec_IntAlloc( Abc_NtkCoNum(pNtk) );
@ -486,7 +490,7 @@ Abc_Ntk_t * Abc_NtkFromSops( Abc_Ntk_t * pNtk, int nCubeLim, int nBTLimit, int n
Abc_ObjAddFanin( pNode->pCopy, pNodeNew ); Abc_ObjAddFanin( pNode->pCopy, pNodeNew );
continue; continue;
} }
pNodeNew = Abc_NtkFromSopsOne( pNtkNew, pNtk, Vec_IntEntry(vNodeCoIds, i), Vec_WecEntry(vSupps, Abc_ObjFanin0(pNode)->Id), nCubeLim, nBTLimit, fCanon, fReverse, fVerbose ); pNodeNew = Abc_NtkFromSopsOne( pNtkNew, pNtk, Vec_IntEntry(vNodeCoIds, i), Vec_WecEntry(vSupps, Abc_ObjFanin0(pNode)->Id), nCubeLim, nBTLimit, fCanon, fReverse, i ? 0 : fVerbose );
if ( pNodeNew == NULL ) if ( pNodeNew == NULL )
{ {
Abc_NtkDelete( pNtkNew ); Abc_NtkDelete( pNtkNew );