From: "Harrison, John R" <johnh@ichips.intel.com>
To: "Damien Doligez" <damien.doligez@inria.fr>,
"caml-list" <caml-list@inria.fr>
Subject: RE: [Caml-list] Are you sure the new "=" of 3.08 is good ?
Date: Sat, 9 Oct 2004 10:56:12 -0700 [thread overview]
Message-ID: <012676D607FCF54E986746512C22CE7D0FE7BD@orsmsx407> (raw)
| What I did in my soon-to-be-released automatic prover, following
| advice from Pierre Weis, was to hash-cons all the terms used by the
| program. Now I only need to use pointer equality: if the pointers
| are not the same then I know the terms are not the same. The speedup
| was a factor of 100 because my program does lots of comparisons and
| hashing of terms.
Yes, it might well be worth looking at that again. I tried it once
in CAML Light and the results were disappointing. But one reason was
that something like weak pointers either didn't exist or I didn't
know about them, so my hash tables rendered some ephemeral stuff
non-collectible.
I'll look forward to the release of your prover!
John.
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next reply other threads:[~2004-10-09 17:56 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-09 17:56 Harrison, John R [this message]
-- strict thread matches above, loose matches on Subject: below --
2004-10-09 18:10 Harrison, John R
2004-10-08 16:35 Harrison, John R
2004-10-08 17:34 ` Damien Doligez
2004-10-09 8:58 ` Xavier Leroy
2004-10-08 16:25 Harrison, John R
2004-10-08 2:54 Harrison, John R
2004-10-08 5:49 ` Christophe Raffalli
2004-10-08 6:54 ` David Brown
2004-10-07 21:14 Christophe Raffalli
2004-10-08 7:38 ` Jean-Christophe Filliatre
2004-10-08 8:31 ` Christophe Raffalli
2004-10-08 15:10 ` Damien Doligez
2004-10-08 9:37 ` Sébastien Furic
2004-10-08 15:54 ` Xavier Leroy
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