From: Brian Rogoff <bpr@best.com>
To: Mattias Waldau <mattias.waldau@abc.se>
Cc: <caml-list@inria.fr>
Subject: RE: [Caml-list] Looking for Graph Operations-library
Date: Wed, 26 Sep 2001 11:29:12 -0700 (PDT) [thread overview]
Message-ID: <20010926111441.J20515-100000@shell5.ba.best.com> (raw)
In-Reply-To: <AAEBJHFJOIPMMIILCEPBCEKKDCAA.mattias.waldau@abc.se>
On Wed, 26 Sep 2001, Mattias Waldau wrote:
> I looked thru the documentation, but FGL doesn't seem to be any operations
> like closures and topological sorting in fgl, it mostly seems to be about
> traversing the structure. Have I missed something?
The interfaces don't have, say, topsort as a builtin function, but the
papers describe how to implement it using the provided functions.
> When I look at one of the papers, you get the impression that an imperative
> implementation is one to two magnitudes faster, is that right?
> (Speed is irrelevant right now for me.)
I don't think the papers measured against an imperative implementation,
but rather a functional array based on binary trees versus a functional
array based on version arrays. But I could be wrong and I don't have them
handy at the moment. Anyways, I'd like to do a version array version :-)
too in the future. It would be nice if there was a version array library
around; I've written some quick ones but I don't know how they compare
against some of the better ones. Lots of SML implementations around.
Beware of surmising too much based on some quick benchmarks.
-- Brian
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next prev parent reply other threads:[~2001-09-26 18:29 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-09-26 13:06 [Caml-list] Initial port of ocaml for mingw (long) CaptnJamesKirk
2001-09-26 16:44 ` [Caml-list] Looking for Graph Operations-library Mattias Waldau
2001-09-26 16:47 ` Mattias Waldau
2001-09-26 17:08 ` Markus Mottl
2001-09-26 17:13 ` Brian Rogoff
2001-09-26 18:04 ` Mattias Waldau
2001-09-26 18:29 ` Brian Rogoff [this message]
2001-09-26 19:23 ` Markus Mottl
2001-09-27 6:16 ` Jean-Christophe Filliatre
2001-10-01 10:00 ` Francois Pottier
2001-09-26 21:50 Chris Tilt
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