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| author | Alan Mishchenko <alanmi@berkeley.edu> | 2013-07-29 10:10:21 -0700 |
|---|---|---|
| committer | Alan Mishchenko <alanmi@berkeley.edu> | 2013-07-29 10:10:21 -0700 |
| commit | 4c6804c3aea08f6aec693c686ec409191e983ca4 (patch) | |
| tree | f0153e44ffd69a9e576084157a21929f3e512a53 /src/map/mapper | |
| parent | a206287b21632331eb6c433a8c1854a6baecbe40 (diff) | |
| download | abc-4c6804c3aea08f6aec693c686ec409191e983ca4.tar.gz abc-4c6804c3aea08f6aec693c686ec409191e983ca4.tar.bz2 abc-4c6804c3aea08f6aec693c686ec409191e983ca4.zip | |
Improved gate-sizing.
Diffstat (limited to 'src/map/mapper')
| -rw-r--r-- | src/map/mapper/mapperMatch.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/map/mapper/mapperMatch.c b/src/map/mapper/mapperMatch.c index 6a2ad74a..a59af3d3 100644 --- a/src/map/mapper/mapperMatch.c +++ b/src/map/mapper/mapperMatch.c @@ -199,6 +199,9 @@ int Map_MatchNodePhase( Map_Man_t * p, Map_Node_t * pNode, int fPhase ) fWorstLimit = pNode->tRequired[fPhase].Worst; for ( pCut = pNode->pCuts->pNext; pCut; pCut = pCut->pNext ) { + // limit gate sizes based on fanout count + if ( (pNode->nRefs > 8 && pCut->nLeaves > 2) || (pNode->nRefs > 4 && pCut->nLeaves > 3) ) + continue; pMatch = pCut->M + fPhase; if ( pMatch->pSupers == NULL ) continue; |