From: Eli Zaretskii <eliz@gnu.org>
To: Miles Bader <miles@gnu.org>
Cc: larsi@gnus.org, emacs-devel@gnu.org
Subject: Re: EMACS_INT cleanup
Date: Fri, 24 Sep 2010 12:05:53 +0200 [thread overview]
Message-ID: <83eicjtq0u.fsf@gnu.org> (raw)
In-Reply-To: <buo8w2rtr2n.fsf@dhlpc061.dev.necel.com>
> From: Miles Bader <miles@gnu.org>
> Cc: Lars Magne Ingebrigtsen <larsi@gnus.org>, emacs-devel@gnu.org
> Date: Fri, 24 Sep 2010 18:43:12 +0900
>
> Eli Zaretskii <eliz@gnu.org> writes:
> >> I mean, it may be nice and orthogonal and stuff, but... I don't know.
> >> And does using more longs on 64-bit machines than previously slow Emacs
> >> down any?
> >
> > It shouldn't, the registers are 64-bit.
>
> Means more cache usage and memory traffic tho.
Maybe, maybe not. It depends on the micro-architecture of the CPU and
the cache.
As for memory, I don't think it matters for isolated variables (as
opposed to arrays). They will be usually in a register when they are
used.
next prev parent reply other threads:[~2010-09-24 10:05 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-23 18:37 EMACS_INT cleanup Lars Magne Ingebrigtsen
2010-09-23 19:00 ` Eli Zaretskii
2010-09-23 19:02 ` Lars Magne Ingebrigtsen
2010-09-23 19:29 ` Lars Magne Ingebrigtsen
2010-09-23 19:34 ` Lars Magne Ingebrigtsen
2010-09-23 19:53 ` Eli Zaretskii
2010-09-23 20:05 ` Lars Magne Ingebrigtsen
2010-09-23 20:27 ` Eli Zaretskii
2010-09-23 20:29 ` Lars Magne Ingebrigtsen
2010-09-23 20:40 ` Eli Zaretskii
2010-09-23 20:52 ` Lars Magne Ingebrigtsen
2010-09-23 20:41 ` Lars Magne Ingebrigtsen
2010-09-23 20:46 ` Eli Zaretskii
2010-09-23 20:52 ` Eli Zaretskii
2010-09-23 20:53 ` Lars Magne Ingebrigtsen
2010-09-23 22:07 ` Lars Magne Ingebrigtsen
2010-09-23 22:12 ` Juanma Barranquero
2010-09-23 22:46 ` Lars Magne Ingebrigtsen
2010-09-24 0:01 ` Stefan Monnier
2010-09-24 7:47 ` Eli Zaretskii
2010-09-24 9:43 ` Miles Bader
2010-09-24 10:05 ` Eli Zaretskii [this message]
2010-09-24 10:32 ` Eli Zaretskii
2010-09-24 11:02 ` Lars Magne Ingebrigtsen
2010-09-24 11:58 ` Eli Zaretskii
2010-09-24 13:00 ` Lars Magne Ingebrigtsen
2010-09-24 13:09 ` Eli Zaretskii
2010-09-24 13:23 ` Lars Magne Ingebrigtsen
2010-09-24 13:35 ` Eli Zaretskii
2010-09-24 13:40 ` Lars Magne Ingebrigtsen
2010-09-24 13:51 ` Lars Magne Ingebrigtsen
2010-09-24 14:04 ` David Kastrup
2010-09-23 22:30 ` Stefan Monnier
2010-09-23 22:53 ` Lars Magne Ingebrigtsen
2010-09-23 23:59 ` Stefan Monnier
2010-09-24 0:07 ` Lars Magne Ingebrigtsen
2010-09-24 9:04 ` Andreas Schwab
2010-09-24 7:54 ` Eli Zaretskii
2010-09-24 7:51 ` Eli Zaretskii
2010-09-23 20:21 ` David Kastrup
2010-09-23 20:24 ` Lars Magne Ingebrigtsen
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