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author | Alan Mishchenko <alanmi@berkeley.edu> | 2021-06-08 11:39:42 -0700 |
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committer | Alan Mishchenko <alanmi@berkeley.edu> | 2021-06-08 11:39:42 -0700 |
commit | db3f5b6d0bac98b9123681a1189acf738cae83d6 (patch) | |
tree | ada84874f727495112edaecdc8c8a2ec2bc1fdd4 /src/aig | |
parent | 7d18d6b7aad526ba73b761f3c2f9292f7546b611 (diff) | |
download | abc-db3f5b6d0bac98b9123681a1189acf738cae83d6.tar.gz abc-db3f5b6d0bac98b9123681a1189acf738cae83d6.tar.bz2 abc-db3f5b6d0bac98b9123681a1189acf738cae83d6.zip |
Experiments with cut computation.
Diffstat (limited to 'src/aig')
-rw-r--r-- | src/aig/gia/giaCut.c | 4 | ||||
-rw-r--r-- | src/aig/gia/giaResub2.c | 42 |
2 files changed, 44 insertions, 2 deletions
diff --git a/src/aig/gia/giaCut.c b/src/aig/gia/giaCut.c index fc5396c9..7ee795b6 100644 --- a/src/aig/gia/giaCut.c +++ b/src/aig/gia/giaCut.c @@ -767,7 +767,9 @@ void Gia_ManPrintWinStats( Vec_Wec_t * vCuts ) } void Gia_ManExtractTest( Gia_Man_t * pGia ) { - Vec_Wec_t * vCutsSel = Gia_ManExtractCuts( pGia, 8, 10000, 1 ); + extern Vec_Wec_t * Gia_ManExtractCuts2( Gia_Man_t * p, int nCutSize, int nCuts, int fVerbose ); + Vec_Wec_t * vCutsSel = Gia_ManExtractCuts2( pGia, 8, 10000, 1 ); + //Vec_Wec_t * vCutsSel = Gia_ManExtractCuts( pGia, 8, 10000, 1 ); abctime clk = Abc_Clock(); Gia_ManCreateWins( pGia, vCutsSel ); //Gia_ManPrintWins( vCutsSel ); diff --git a/src/aig/gia/giaResub2.c b/src/aig/gia/giaResub2.c index 89ddaf33..be527d4f 100644 --- a/src/aig/gia/giaResub2.c +++ b/src/aig/gia/giaResub2.c @@ -1498,10 +1498,50 @@ void Gia_RsbTestArray() Vec_IntFree( vArray ); } +/**Function************************************************************* + + Synopsis [Computing cuts of the nodes.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +Vec_Wec_t * Gia_ManExtractCuts2( Gia_Man_t * p, int nCutSize, int nCuts, int fVerbose ) +{ + int c, nLevelMax = 8; + abctime clk = Abc_Clock(); + Vec_Wec_t * vCuts = Vec_WecStart( nCuts ); + Vec_Int_t * vPaths = Vec_IntStart( Gia_ManObjNum(p) ); + srand( time(NULL) ); + for ( c = 0; c < nCuts; ) + { + Vec_Int_t * vCut, * vWin = NULL; + while ( vWin == NULL ) + { + int iPivot = 1 + Gia_ManCiNum(p) + rand() % Gia_ManAndNum(p); + assert( Gia_ObjIsAnd(Gia_ManObj(p, iPivot)) ); + vWin = Gia_RsbWindowInit( p, vPaths, iPivot, nLevelMax ); + } + vCut = Gia_RsbCreateWindowInputs( p, vWin ); + if ( Vec_IntSize(vCut) >= nCutSize - 2 && Vec_IntSize(vCut) <= nCutSize ) + { + Vec_IntPush( Vec_WecEntry(vCuts, c), Vec_IntSize(vCut) ); + Vec_IntAppend( Vec_WecEntry(vCuts, c++), vCut ); + } + Vec_IntFree( vCut ); + Vec_IntFree( vWin ); + } + Vec_IntFree( vPaths ); + Abc_PrintTime( 0, "Computing cuts ", Abc_Clock() - clk ); + return vCuts; +} + //////////////////////////////////////////////////////////////////////// /// END OF FILE /// //////////////////////////////////////////////////////////////////////// - ABC_NAMESPACE_IMPL_END |