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-rw-r--r--src/opt/mfs/mfs.h1
-rw-r--r--src/opt/mfs/mfsCore.c1
-rw-r--r--src/opt/mfs/mfsInt.h4
-rw-r--r--src/opt/mfs/mfsMan.c43
-rw-r--r--src/opt/mfs/mfsResub.c7
5 files changed, 24 insertions, 32 deletions
diff --git a/src/opt/mfs/mfs.h b/src/opt/mfs/mfs.h
index 9916b582..8292e617 100644
--- a/src/opt/mfs/mfs.h
+++ b/src/opt/mfs/mfs.h
@@ -50,6 +50,7 @@ struct Mfs_Par_t_
int nWinSizeMax; // the maximum size of the window
int nGrowthLevel; // the maximum allowed growth in level
int nBTLimit; // the maximum number of conflicts in one SAT run
+ int fRrOnly; // perform redundance removal
int fResub; // performs resubstitution
int fArea; // performs optimization for area
int fMoreEffort; // performs high-affort minimization
diff --git a/src/opt/mfs/mfsCore.c b/src/opt/mfs/mfsCore.c
index 9e50333f..22a28e22 100644
--- a/src/opt/mfs/mfsCore.c
+++ b/src/opt/mfs/mfsCore.c
@@ -54,6 +54,7 @@ void Abc_NtkMfsParsDefault( Mfs_Par_t * pPars )
pPars->nWinSizeMax = 300;
pPars->nGrowthLevel = 0;
pPars->nBTLimit = 5000;
+ pPars->fRrOnly = 0;
pPars->fResub = 1;
pPars->fArea = 0;
pPars->fMoreEffort = 0;
diff --git a/src/opt/mfs/mfsInt.h b/src/opt/mfs/mfsInt.h
index 44346997..23a59833 100644
--- a/src/opt/mfs/mfsInt.h
+++ b/src/opt/mfs/mfsInt.h
@@ -101,6 +101,10 @@ struct Mfs_Man_t_
int nCares; // the number of care minterms
unsigned uCare[(MFS_FANIN_MAX<=5)?1:1<<(MFS_FANIN_MAX-5)]; // the computed care-set
// performance statistics
+ int nTryRemoves; // number of fanin removals
+ int nTryResubs; // number of resubstitutions
+ int nRemoves; // number of fanin removals
+ int nResubs; // number of resubstitutions
int nNodesTried;
int nNodesResub;
int nMintsCare;
diff --git a/src/opt/mfs/mfsMan.c b/src/opt/mfs/mfsMan.c
index caa82e68..3ed6436f 100644
--- a/src/opt/mfs/mfsMan.c
+++ b/src/opt/mfs/mfsMan.c
@@ -112,43 +112,26 @@ void Mfs_ManPrint( Mfs_Man_t * p )
{
if ( p->pPars->fResub )
{
-/*
- printf( "Reduction in nodes = %5d. (%.2f %%) ",
- p->nTotalNodesBeg-p->nTotalNodesEnd,
- 100.0*(p->nTotalNodesBeg-p->nTotalNodesEnd)/p->nTotalNodesBeg );
- printf( "Reduction in edges = %5d. (%.2f %%) ",
- p->nTotalEdgesBeg-p->nTotalEdgesEnd,
- 100.0*(p->nTotalEdgesBeg-p->nTotalEdgesEnd)/p->nTotalEdgesBeg );
- printf( "\n" );
- printf( "Nodes = %d. Try = %d. Resub = %d. Div = %d. SAT calls = %d. Timeouts = %d.\n",
+ printf( "Nodes = %d. Try = %d. Resub = %d. Div = %d. SAT calls = %d. Timeouts = %d.\n",
Abc_NtkNodeNum(p->pNtk), p->nNodesTried, p->nNodesResub, p->nTotalDivs, p->nSatCalls, p->nTimeOuts );
- if ( p->pPars->fSwapEdge )
- printf( "Swappable edges = %d. Total edges = %d. Ratio = %5.2f.\n",
- p->nNodesResub, Abc_NtkGetTotalFanins(p->pNtk), 1.00 * p->nNodesResub / Abc_NtkGetTotalFanins(p->pNtk) );
- else
- Abc_NtkMfsPrintResubStats( p );
-// printf( "Average ratio of DCs in the resubed nodes = %.2f.\n", 1.0*p->nDcMints/(64 * p->nNodesResub) );
-*/
- printf( "@@@------- Node( %4d, %4.2f%% ), ",
- p->nTotalNodesBeg-p->nTotalNodesEnd,
- 100.0*(p->nTotalNodesBeg-p->nTotalNodesEnd)/p->nTotalNodesBeg );
- printf( "Edge( %4d, %4.2f%% ), ",
- p->nTotalEdgesBeg-p->nTotalEdgesEnd,
- 100.0*(p->nTotalEdgesBeg-p->nTotalEdgesEnd)/p->nTotalEdgesBeg );
+
+ printf( "Attempts : " );
+ printf( "Remove %6d out of %6d (%6.2f %%) ", p->nRemoves, p->nTryRemoves, 100.0*p->nRemoves/Abc_MaxInt(1, p->nTryRemoves) );
+ printf( "Resub %6d out of %6d (%6.2f %%) ", p->nResubs, p->nTryResubs, 100.0*p->nResubs /Abc_MaxInt(1, p->nTryResubs) );
+ printf( "\n" );
+
+ printf( "Reduction: " );
+ printf( "Nodes %6d out of %6d (%6.2f %%) ", p->nTotalNodesBeg-p->nTotalNodesEnd, p->nTotalNodesEnd, 100.0*(p->nTotalNodesBeg-p->nTotalNodesEnd)/Abc_MaxInt(1, p->nTotalNodesBeg) );
+ printf( "Edges %6d out of %6d (%6.2f %%) ", p->nTotalEdgesBeg-p->nTotalEdgesEnd, p->nTotalEdgesEnd, 100.0*(p->nTotalEdgesBeg-p->nTotalEdgesEnd)/Abc_MaxInt(1, p->nTotalEdgesBeg) );
+ printf( "\n" );
+
if (p->pPars->fPower)
- printf( "Power( %5.2f, %4.2f%%) ",
+ printf( "Power( %5.2f, %4.2f%%) \n",
p->TotalSwitchingBeg - p->TotalSwitchingEnd,
100.0*(p->TotalSwitchingBeg-p->TotalSwitchingEnd)/p->TotalSwitchingBeg );
- printf( "\n" );
-//#if 0
- printf( "Nodes = %d. Try = %d. Resub = %d. Div = %d. SAT calls = %d. Timeouts = %d.\n",
- Abc_NtkNodeNum(p->pNtk), p->nNodesTried, p->nNodesResub, p->nTotalDivs, p->nSatCalls, p->nTimeOuts );
-//#endif
if ( p->pPars->fSwapEdge )
printf( "Swappable edges = %d. Total edges = %d. Ratio = %5.2f.\n",
p->nNodesResub, Abc_NtkGetTotalFanins(p->pNtk), 1.00 * p->nNodesResub / Abc_NtkGetTotalFanins(p->pNtk) );
- else
- Abc_NtkMfsPrintResubStats( p );
// printf( "Average ratio of DCs in the resubed nodes = %.2f.\n", 1.0*p->nDcMints/(64 * p->nNodesResub) );
}
else
diff --git a/src/opt/mfs/mfsResub.c b/src/opt/mfs/mfsResub.c
index 0d144f9b..0ecd0f67 100644
--- a/src/opt/mfs/mfsResub.c
+++ b/src/opt/mfs/mfsResub.c
@@ -172,6 +172,7 @@ int Abc_NtkMfsSolveSatResub( Mfs_Man_t * p, Abc_Obj_t * pNode, int iFanin, int f
Abc_Obj_t * pFanin;
Hop_Obj_t * pFunc;
assert( iFanin >= 0 );
+ p->nTryRemoves++;
// clean simulation info
Vec_PtrFillSimInfo( p->vDivCexes, 0, p->nDivWords );
@@ -215,13 +216,14 @@ clk = clock();
// update the network
Abc_NtkMfsUpdateNetwork( p, pNode, p->vMfsFanins, pFunc );
p->timeInt += clock() - clk;
+ p->nRemoves++;
return 1;
}
- if ( fOnlyRemove )
+ if ( fOnlyRemove || p->pPars->fRrOnly )
return 0;
-// return 0;
+ p->nTryResubs++;
if ( fVeryVerbose )
{
for ( i = 0; i < 9; i++ )
@@ -292,6 +294,7 @@ clk = clock();
Vec_PtrPush( p->vMfsFanins, Vec_PtrEntry(p->vDivs, iVar) );
Abc_NtkMfsUpdateNetwork( p, pNode, p->vMfsFanins, pFunc );
p->timeInt += clock() - clk;
+ p->nResubs++;
return 1;
}
if ( p->nCexes >= p->pPars->nDivMax )