src/map/if/ifCore.c File Reference

#include "if.h"

Include dependency graph for ifCore.c:

Go to the source code of this file.

Functions
int	If_ManPerformMapping (If_Man_t *p)
int	If_ManPerformMappingComb (If_Man_t *p)
Variables
int	s_MappingTime

---

Function Documentation

int If_ManPerformMapping

(

If_Man_t *

p

)

FUNCTION DEFINITIONS ///Function*************************************************************

Synopsis []

Description []

SideEffects []

SeeAlso []

Definition at line 44 of file ifCore.c.

{
    p->pPars->fAreaOnly = p->pPars->fArea; // temporary

    // create the CI cutsets
    If_ManSetupCiCutSets( p );
    // allocate memory for other cutsets
    If_ManSetupSetAll( p, If_ManCrossCut(p) );

    // try sequential mapping
    if ( p->pPars->fSeqMap )
    {
        int RetValue;
//        printf( "Currently sequential mapping is not performed.\n" );
        RetValue = If_ManPerformMappingSeq( p );
        return RetValue;
//        return 1;
    }

    return If_ManPerformMappingComb( p );
}

int If_ManPerformMappingComb

(

If_Man_t *

p

)

Function*************************************************************

Synopsis []

Description []

SideEffects []

SeeAlso []

Definition at line 78 of file ifCore.c.

{
    If_Obj_t * pObj;
    int clkTotal = clock();
    int i;

    // set arrival times and fanout estimates
    If_ManForEachCi( p, pObj, i )
    {
        If_ObjSetArrTime( pObj, p->pPars->pTimesArr[i] );
        pObj->EstRefs = (float)1.0;
    }

    // delay oriented mapping
    if ( p->pPars->fPreprocess && !p->pPars->fArea )
    {
        // map for delay
        If_ManPerformMappingRound( p, p->pPars->nCutsMax, 0, 1, "Delay" );
        // map for delay second option
        p->pPars->fFancy = 1;
        If_ManResetOriginalRefs( p );
        If_ManPerformMappingRound( p, p->pPars->nCutsMax, 0, 1, "Delay-2" );
        p->pPars->fFancy = 0;
        // map for area
        p->pPars->fArea = 1;
        If_ManResetOriginalRefs( p );
        If_ManPerformMappingRound( p, p->pPars->nCutsMax, 0, 1, "Area" );
        p->pPars->fArea = 0;
    }
    else
        If_ManPerformMappingRound( p, p->pPars->nCutsMax, 0, 0, "Delay" );

    // try to improve area by expanding and reducing the cuts
    if ( p->pPars->fExpRed && !p->pPars->fTruth )
        If_ManImproveMapping( p );

    // area flow oriented mapping
    for ( i = 0; i < p->pPars->nFlowIters; i++ )
    {
        If_ManPerformMappingRound( p, p->pPars->nCutsMax, 1, 0, "Flow" );
        if ( p->pPars->fExpRed && !p->pPars->fTruth )
            If_ManImproveMapping( p );
    }

    // area oriented mapping
    for ( i = 0; i < p->pPars->nAreaIters; i++ )
    {
        If_ManPerformMappingRound( p, p->pPars->nCutsMax, 2, 0, "Area" );
        if ( p->pPars->fExpRed && !p->pPars->fTruth )
            If_ManImproveMapping( p );
    }

    if ( p->pPars->fVerbose )
    {
//        printf( "Total memory = %7.2f Mb. Peak cut memory = %7.2f Mb.  ", 
//            1.0 * (p->nObjBytes + 2*sizeof(void *)) * If_ManObjNum(p) / (1<<20), 
//            1.0 * p->nSetBytes * Mem_FixedReadMaxEntriesUsed(p->pMemSet) / (1<<20) );
        PRT( "Total time", clock() - clkTotal );
    }
//    printf( "Cross cut memory = %d.\n", Mem_FixedReadMaxEntriesUsed(p->pMemSet) );
    s_MappingTime = clock() - clkTotal;
    return 1;
}

---

Variable Documentation

int s_MappingTime

CFile****************************************************************

FileName [ifCore.c]

SystemName [ABC: Logic synthesis and verification system.]

PackageName [FPGA mapping based on priority cuts.]

Synopsis [The central part of the mapper.]

Author [Alan Mishchenko]

Affiliation [UC Berkeley]

Date [Ver. 1.0. Started - November 21, 2006.]

Revision [

Id

ifCore.c,v 1.00 2006/11/21 00:00:00 alanmi Exp

] DECLARATIONS ///

CFile****************************************************************

FileName [abcPrint.c]

SystemName [ABC: Logic synthesis and verification system.]

PackageName [Network and node package.]

Synopsis [Printing statistics.]

Author [Alan Mishchenko]

Affiliation [UC Berkeley]

Date [Ver. 1.0. Started - June 20, 2005.]

Revision [

Id

abcPrint.c,v 1.00 2005/06/20 00:00:00 alanmi Exp

] DECLARATIONS ///

Definition at line 34 of file abcPrint.c.