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Date: | 2008-11-12 (15:46) |
From: | Pietro Abate <Pietro.Abate@p...> |
Subject: | BDD reloaded |
Hi all, I've done my homework and I've collected few links about bdd libraries. I still have few questions: + Is there a native (and efficient) ocaml BDD implementation ? In particular, as pointed out on this mailing list, with variable ordering and other possible optimizations that can be compared in speed with buddy/cudd (c/c++). = From what I can see, the answer is no. A lot of toy implementations though... + Do you know if there is an ocaml binding for buddy ? = I guess no, but I hope I'm wrong... + Does anybody have experience with the bindings done at inrialpes to CUDD ? Is this project still actively maintained / used ? How does it compare efficiency-wise with other bdd libraries ? + If I was to start writing my ocaml bindings, which c/c++ library would you advice ? Buddy seems widely used, but I wasn't able to find any hard evidence that it is the best bdd library available... Do you know of any paper surveying different bdd implementations ? thanks :) p ----------------------------- My links for reference ---------------- Please add to the list if you know of other libraries that I forgot to mention. This might end up to be a FAQ... ==Ocaml libraries (bindings and native in no particular order) :== * Jean-Christophe Filliâtre (ocaml implementation) http://www.lri.fr/~filliatr/ftp/publis/hash-consing2.ps.gz Paper http://www.lri.fr/~filliatr/ftp/ocaml/bdd/ Code * bindings to the CUDD BDD library http://www.inrialpes.fr/pop-art/people/bjeannet/mlxxxidl-forge/ Code * Olivier Michel (ocaml implementation) http://www.ibisc.univ-evry.fr/~michel/BDD/ Code * Xavier Leroy (part of an experimental sat solver) https://gforge.inria.fr/plugins/scmsvn/viewcvs.php/attic/xlsat/?root=sodiac Code * John Harrison http://www.cl.cam.ac.uk/~jrh13/atp/OCaml/bdd.ml Code * Ocaml implementation (who is the author ?) http://oops.tepkom.ru/projects/ocamlbdd/ Wiki ==C/C++ Libraries== * http://buddy.wiki.sourceforge.net/ Buddy * http://vlsicad.eecs.umich.edu/BK/Slots/cache/www.itu.dk/research/buddy/index.html Old version of Buddy * http://vlsi.colorado.edu/~fabio/CUDD/cuddIntro.html CUDD * many other cited in the wikipedia link on bdds ==Relevant Mailing list Messages== The ocaml ml has several references to BDDs. These are 3 interesting threads that I've used as a starting point for my research. In this thread http://caml.inria.fr/pub/ml-archives/caml-list/2000/01/405b651014b09c51c691aab72d69166a.en.html there is mention of a possible binding for Jørn Lind-Nielsen's BDD library BuDDy. I'm wondering if this binding was ever released. In this thread http://groups.google.com/group/fa.caml/browse_frm/thread/4af5391f52279e38/550b7df324ae1900#550b7df324ae1900 Alain Frish points out that none of existing ocaml libraries implements automatic reordering of variables... And I don't know if the state of affairs is changed at this regard. In this thread http://caml.inria.fr/pub/ml-archives/caml-list/2001/04/8bbf7629ef3ef299c16f78bd2b986e36.en.html David Mentre announces a preliminary work on binding for the cudd library, but the link is broken... this link currently is broken: http://www-rocq.inria.fr/~mentre/software/ocaml-bdd/ and there is a mention to a caml-light implementation of a robdd library that I was also not able to retrieve.