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From: Richard Stallman <rms@gnu.org>
Cc: storm@cua.dk, emacs-devel@gnu.org
Subject: Re: struct.el -- a package to encode/decode binary data
Date: Fri, 22 Mar 2002 19:35:26 -0700 (MST)	[thread overview]
Message-ID: <200203230235.g2N2ZQ401848@aztec.santafe.edu> (raw)
In-Reply-To: <Pine.SUN.3.91.1020321164353.11007C-100000@is> (message from Eli Zaretskii on Thu, 21 Mar 2002 16:56:31 +0200 (IST))

    > Am I right in assuming that aref, aset, and substring are potentially
    > much slower on a multibyte string than on a unibyte string?

    If the string holds non-ASCII text, yes.  But not in your case, where the 
    ``string'' holds binary data, I think.

Multibyte strings are slower in this case.  The only case where they
are not slower is when the contents are all ASCII.

To see the slowdown best, try accessing the string nonlinearly.

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  parent reply	other threads:[~2002-03-23  2:35 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <Pine.SUN.3.91.1020319133840.17982G-100000@is>
2002-03-19 14:34 ` struct.el -- a package to encode/decode binary data Kim F. Storm
2002-03-19 21:27   ` Thien-Thi Nguyen
2002-03-21  9:04   ` Richard Stallman
2002-03-21 11:15     ` Eli Zaretskii
2002-03-21 13:31       ` Kim F. Storm
2002-03-21 14:56         ` Eli Zaretskii
2002-03-21 15:36           ` Kim F. Storm
2002-03-21 16:58             ` Stefan Monnier
2002-03-21 19:45               ` Eli Zaretskii
2002-03-22  1:05                 ` Stefan Monnier
2002-03-22 11:04                   ` Eli Zaretskii
2002-03-22  0:37           ` Miles Bader
2002-03-23  2:35           ` Richard Stallman [this message]
2002-03-21 16:53         ` Stefan Monnier
2002-03-23  2:36       ` Richard Stallman
2002-03-22  1:30 Kenichi Handa
  -- strict thread matches above, loose matches on Subject: below --
2002-03-22  1:25 Kenichi Handa
2002-03-22  1:27 ` Stefan Monnier
2002-03-18 23:12 Kim F. Storm
2002-03-19  0:25 ` Miles Bader
2002-03-19  7:02 ` Eli Zaretskii
2002-03-19 12:34   ` Stefan Monnier
2002-03-19 14:38     ` Eli Zaretskii
2002-03-19 14:33 ` Luke Gorrie

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