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Re: --with-wide-int
From: |
Dan Nicolaescu |
Subject: |
Re: --with-wide-int |
Date: |
Mon, 28 Nov 2011 13:04:23 -0500 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.3 (gnu/linux) |
Stefan Monnier <address@hidden> writes:
>>> So I expect the practical limit to be closer to 1GB.
>> In practice the limit is a bit less than 2 GiB if you're editing
>> one big file. (I observed this just now, on Ubuntu 11.10 x86,
>> by editing a 1947957328-byte text file.)
>
> Read-only access to a single such file (i.e. starting a new Emacs
> session for that file) is indeed not affected by fragmentation.
>
>> Simple edits and incremental searches are fast;
>
> I'd be surprised if non-simple edits (e.g. insertion of enough text to
> overflow the gap and force a reallocation) works at all.
> It's also to be expected that viewing such a 2GB file will fail if
> you've already viewed a 1GB file in the same session.
>
> I.e. 2GB files will work sometimes, but e.g. for Rmail-style uses (one
> of the more convincing use cases, AFAIK), I don't think 2GB is
> a realistic limit.
Log files produced by various tools are much more interesting that Rmail
(which is not that popular). Even read-only access is valuable for such
file sometimes. Is it something people do every day? Probably not, but
it's very useful when needed.
- immediate strings, Dmitry Antipov, 2011/11/25
- Re: immediate strings, Andreas Schwab, 2011/11/26
- Re: immediate strings, Paul Eggert, 2011/11/26
- Re: immediate strings, Eli Zaretskii, 2011/11/26
- Re: immediate strings, Dmitry Antipov, 2011/11/26
- Re: immediate strings, Paul Eggert, 2011/11/26
- --with-wide-int, Stefan Monnier, 2011/11/27
- Re: --with-wide-int, Paul Eggert, 2011/11/28
- Re: --with-wide-int, Stefan Monnier, 2011/11/28
- Re: --with-wide-int,
Dan Nicolaescu <=
- Re: --with-wide-int, Eli Zaretskii, 2011/11/28
- Re: --with-wide-int, Stefan Monnier, 2011/11/28
- Re: --with-wide-int, Stephen J. Turnbull, 2011/11/28
- Re: --with-wide-int, Paul Eggert, 2011/11/29