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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_Int_t * vNodeCoIds, * vLevel;
Vec_Wec_t * vSupps;
int i, Cost;
int i;
// Abc_NtkForEachCi( pNtk, pNode, i )
// 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
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 );
vLevel = Vec_WecEntry( vSupps, Abc_ObjFaninId0(pNode) );
Cost = Vec_PtrSize(vDfsNodes) * Vec_IntSize(vLevel) * nCubeLim;
Vec_PtrFree( vDfsNodes );
if ( Cost > nCostMax )
vLevel = Vec_WecEntry( vSupps, Abc_ObjFaninId0(pNode) );
Cost = (word)Vec_PtrSize(vDfsNodes) * (word)Vec_IntSize(vLevel) * (word)nCubeLim;
if ( Cost > (word)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_WecFree( vSupps );
return NULL;
}
Vec_PtrFree( vDfsNodes );
}
// collect CO IDs in this order
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 );
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 )
{
Abc_NtkDelete( pNtkNew );