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* NEWS: Summarize recent BDD speedups.

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Alexandre Duret-Lutz 2012-06-14 14:41:13 +02:00
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NEWS
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New in spot 0.9.1a:
* Speed improvements:
- The unicity hash table of BuDDy has been separated separated
node table for better cache-friendliness. The resulting speedup
is around 5% on BDD-intensive algorithms.
- A new BDD operation, called bdd_implies() has been added to
BuDDy to check wether one BDD implies another. This benefits
mostly the simulation and degeneralization algorithms of Spot.
* Bug fixes:
- The CGI script running for ltl2tgba.html will correctly timeout
after 30s when Spot's translation takes more time.