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| author | Alan Mishchenko <alanmi@berkeley.edu> | 2006-12-04 08:01:00 -0800 |
|---|---|---|
| committer | Alan Mishchenko <alanmi@berkeley.edu> | 2006-12-04 08:01:00 -0800 |
| commit | 52e5b91cbbfe587bae80984bb3672e4c1a70203c (patch) | |
| tree | 0aec31b1121e4eb690f1dc17b3c76617b723fe5e /src/map/if/ifCore.c | |
| parent | 44d220d28fa2ee56cb539e03684f021731814f17 (diff) | |
| download | abc-52e5b91cbbfe587bae80984bb3672e4c1a70203c.tar.gz abc-52e5b91cbbfe587bae80984bb3672e4c1a70203c.tar.bz2 abc-52e5b91cbbfe587bae80984bb3672e4c1a70203c.zip | |
Version abc61204
Diffstat (limited to 'src/map/if/ifCore.c')
| -rw-r--r-- | src/map/if/ifCore.c | 41 |
1 files changed, 28 insertions, 13 deletions
diff --git a/src/map/if/ifCore.c b/src/map/if/ifCore.c index 37a22d8b..e139e14b 100644 --- a/src/map/if/ifCore.c +++ b/src/map/if/ifCore.c @@ -24,8 +24,6 @@ /// DECLARATIONS /// //////////////////////////////////////////////////////////////////////// -static int If_ManPerformMappingRound( If_Man_t * p, int nCutsUsed, int Mode ); - //////////////////////////////////////////////////////////////////////// /// FUNCTION DEFINITIONS /// //////////////////////////////////////////////////////////////////////// @@ -44,7 +42,7 @@ static int If_ManPerformMappingRound( If_Man_t * p, int nCutsUsed, int Mode ); int If_ManPerformMapping( If_Man_t * p ) { If_Obj_t * pObj; - int nItersFlow = 2; + int nItersFlow = 1; int nItersArea = 1; int clkTotal = clock(); int i; @@ -56,13 +54,27 @@ int If_ManPerformMapping( If_Man_t * p ) If_ManForEachPi( p, pObj, i ) pObj->EstRefs = (float)1.0; // delay oriented mapping - If_ManPerformMappingRound( p, p->pPars->nCutsMax, 0 ); + if ( p->pPars->fPreprocess && !p->pPars->fArea && p->pPars->nCutsMax >= 4 ) + If_ManPerformMappingPreprocess( p ); + else + If_ManPerformMappingRound( p, p->pPars->nCutsMax, 0, 1 ); + // try to improve area by expanding and reducing the cuts + if ( p->pPars->fExpRed ) + If_ManImproveMapping( p ); // area flow oriented mapping for ( i = 0; i < nItersFlow; i++ ) - If_ManPerformMappingRound( p, p->pPars->nCutsMax, 1 ); + { + If_ManPerformMappingRound( p, p->pPars->nCutsMax, 1, 1 ); + if ( p->pPars->fExpRed ) + If_ManImproveMapping( p ); + } // area oriented mapping for ( i = 0; i < nItersArea; i++ ) - If_ManPerformMappingRound( p, p->pPars->nCutsMax, 2 ); + { + If_ManPerformMappingRound( p, p->pPars->nCutsMax, 2, 1 ); + if ( p->pPars->fExpRed ) + If_ManImproveMapping( p ); + } if ( p->pPars->fVerbose ) { PRT( "Total time", clock() - clkTotal ); @@ -81,7 +93,7 @@ int If_ManPerformMapping( If_Man_t * p ) SeeAlso [] ***********************************************************************/ -int If_ManPerformMappingRound( If_Man_t * p, int nCutsUsed, int Mode ) +int If_ManPerformMappingRound( If_Man_t * p, int nCutsUsed, int Mode, int fRequired ) { If_Obj_t * pObj; int i, clk = clock(); @@ -94,15 +106,18 @@ int If_ManPerformMappingRound( If_Man_t * p, int nCutsUsed, int Mode ) If_ManForEachNode( p, pObj, i ) If_ObjPerformMapping( p, pObj, Mode ); // compute required times and stats - If_ManComputeRequired( p, Mode==0 ); - if ( p->pPars->fVerbose ) + if ( fRequired ) { - char Symb = (Mode == 0)? 'D' : ((Mode == 1)? 'F' : 'A'); - printf( "%c: Del = %6.2f. Area = %8.2f. Cuts = %6d. Lim = %2d. Ave = %5.2f. ", - Symb, p->RequiredGlo, p->AreaGlo, p->nCutsMerged, p->nCutsUsed, 1.0 * p->nCutsMerged / If_ManAndNum(p) ); - PRT( "T", clock() - clk ); + If_ManComputeRequired( p, Mode==0 ); + if ( p->pPars->fVerbose ) + { + char Symb = (Mode == 0)? 'D' : ((Mode == 1)? 'F' : 'A'); + printf( "%c: Del = %6.2f. Area = %8.2f. Cuts = %6d. Lim = %2d. Ave = %5.2f. ", + Symb, p->RequiredGlo, p->AreaGlo, p->nCutsMerged, p->nCutsUsed, 1.0 * p->nCutsMerged / If_ManAndNum(p) ); + PRT( "T", clock() - clk ); // printf( "Max number of cuts = %d. Average number of cuts = %5.2f.\n", // p->nCutsMax, 1.0 * p->nCutsMerged / If_ManAndNum(p) ); + } } return 1; } |