From: Tom Hawkins <tom@launchbird.com>
To: caml-list@inria.fr
Subject: Re: [Caml-list] Immediate Out_of_memory
Date: Tue, 13 Jul 2004 21:33:14 -0500 [thread overview]
Message-ID: <200407132133.14685.tom@launchbird.com> (raw)
In-Reply-To: <20040713143259.GA22456@yquem.inria.fr>
On Tuesday 13 July 2004 09:32 am, Xavier Leroy wrote:
> > After making a few minor changes, my program started raising the
> > Out_of_memory exception. The strange thing is it fires a split
> > second after the program starts. It happens so fast, 'top'
> > doesn't even have a chance to register it on its radar.
> > I narrowed it down to a 'Hashtbl.find' application.
>
> This is very likely due to a structural comparison (via =, like
> Hashtbl.find does) between cyclic structures. Structural
> comparison maintains a recursion stack that is bounded, and raises
> Out_of_memory when that stack overflows. With 3.08, you can
> confirm this hypothesis by running with OCAMLRUNPARAM set to
> 'v=63'; structural comparison will print a message if it runs out
> of recursion stack.
Yes, that's it.
Many thanks for 3.08.
-Tom
-------------------
To unsubscribe, mail caml-list-request@inria.fr Archives: http://caml.inria.fr
Bug reports: http://caml.inria.fr/bin/caml-bugs FAQ: http://caml.inria.fr/FAQ/
Beginner's list: http://groups.yahoo.com/group/ocaml_beginners
prev parent reply other threads:[~2004-07-14 2:36 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-13 14:10 Tom Hawkins
2004-07-13 14:32 ` Xavier Leroy
2004-07-14 2:33 ` Tom Hawkins [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=200407132133.14685.tom@launchbird.com \
--to=tom@launchbird.com \
--cc=caml-list@inria.fr \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).