Avoids unnecessary fanin scheduling and skip writes when the level is… - #560
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… unchanged. - Skip writes when LevelNew == Lev, avoiding redundant traversals. - Prune fanin updates when LevFanin > LevelReq: * LevelNew > Lev: fanin cannot increase unless LevelNew >= LevFanin. * LevelNew < Lev: fanin cannot decrease unless LevFanin <= Lev + 1. Benchmark results (compress2rs, mean of 5 trials): - i10.aig: 0.411s -> 0.410s (-0.2%) - internal.aig (60k gates): 4.238s -> 3.913s (-7.7%)
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… unchanged.
Benchmark results (compress2rs, mean of 5 trials):