From: Markus Mottl <markus@oefai.at>
To: Tibor Simko <tibor.simko@cern.ch>
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] intersecting huge integer sets
Date: Tue, 27 Aug 2002 13:52:15 +0200 [thread overview]
Message-ID: <20020827115215.GB32176@fichte.ai.univie.ac.at> (raw)
In-Reply-To: <87n0r835w9.fsf@pcdh91.cern.ch>
Tibor Simko schrieb am Dienstag, den 27. August 2002:
> I wonder how to improve OCaml performance in this special case.
> Is there a better suited OCaml data structure to simulate huge hashed
> sets of integers rather than by using OCaml's native Hashtbl?
Yes, you'll probably want Patricia trees. You can get them from
Jean-Christophe Filliatre's page:
http://www.lri.fr/~filliatr/software.en.html
They support very fast set operations (union, difference, intersection).
Best regards,
Markus Mottl
--
Markus Mottl markus@oefai.at
Austrian Research Institute
for Artificial Intelligence http://www.oefai.at/~markus
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next prev parent reply other threads:[~2002-08-27 11:52 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-27 11:20 Tibor Simko
2002-08-27 11:52 ` Markus Mottl [this message]
2002-08-27 12:09 ` Diego Olivier Fernandez Pons
2002-08-27 12:06 ` Yaron M. Minsky
2002-08-27 12:12 ` Markus Mottl
2002-08-28 12:29 ` Tibor Simko
2002-08-29 10:13 ` Diego Olivier Fernandez Pons
2002-08-29 11:33 ` [Caml-list] barre dans le filtrage de motifs Diego Olivier Fernandez Pons
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