From: David De La Harpe Golden <david@harpegolden.net>
To: emacs-devel@gnu.org
Subject: Re: bookkeeping to prepare for a 64-bit EMACS_INT on 32-bit hosts
Date: Fri, 29 Apr 2011 19:50:35 +0100 [thread overview]
Message-ID: <4DBB087B.3080004@harpegolden.net> (raw)
In-Reply-To: <838vut6l1t.fsf@gnu.org>
On 29/04/11 18:10, Eli Zaretskii wrote:
>> From: Stefan Monnier<monnier@iro.umontreal.ca>
>> Cc: Eli Zaretskii<eliz@gnu.org>, emacs-devel@gnu.org
>> Date: Fri, 29 Apr 2011 13:04:07 -0300
>>
>> Let me first say that I'm not terribly excited by this idea of
>> a 32+64bit compilation option: ignoring the fact that many 32bit OSes do
>> not provide a full 4GB virtual address space to the Emacs process, such
>> a change can only bump the limit from 512MB to less than 4GB.
>> Of course, it will satisfy some particular uses, but it won't remove the
>> fundamental problem.
>
> Well, I beg to differ: I think an eight-fold increase in the size of
> files we can visit on a 32-bit system _is_ a big deal.
Meh. IMO the aim should be proper lispy bignums. GNU does already have a
C bignum (and other stuff) library (GMP) [1] that emacs could link
against, after all! I think Paul's changes may help somewhat with that
goal anyway (emacs integers would be further divorced from C ints), just
saying.
[1] http://gmplib.org/
next prev parent reply other threads:[~2011-04-29 18:50 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-29 8:08 bookkeeping to prepare for a 64-bit EMACS_INT on 32-bit hosts Paul Eggert
2011-04-29 8:49 ` Eli Zaretskii
2011-04-29 9:06 ` Paul Eggert
2011-04-29 9:17 ` Eli Zaretskii
2011-04-29 16:04 ` Stefan Monnier
2011-04-29 17:10 ` Eli Zaretskii
2011-04-29 17:32 ` Lars Magne Ingebrigtsen
2011-04-29 17:45 ` Paul Eggert
2011-04-29 18:50 ` David De La Harpe Golden [this message]
2011-04-30 5:00 ` Stephen J. Turnbull
2011-04-30 1:37 ` Paul Eggert
2011-05-02 14:46 ` Stefan Monnier
2011-05-02 16:09 ` Paul Eggert
2011-05-02 18:12 ` Stefan Monnier
2011-05-02 19:23 ` Paul Eggert
2011-05-02 19:49 ` Stefan Monnier
2011-04-30 6:54 ` Paul Eggert
2011-04-30 7:30 ` Eli Zaretskii
2011-04-29 8:56 ` support " Paul Eggert
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