From mboxrd@z Thu Jan 1 00:00:00 1970 Path: main.gmane.org!not-for-mail From: Marius Vollmer Newsgroups: gmane.lisp.guile.user,gmane.lisp.guile.devel Subject: Re: About shared substrings (now working) Date: Wed, 21 Jan 2004 01:59:54 +0100 Sender: guile-user-bounces+guile-user=m.gmane.org@gnu.org Message-ID: <87smiajeut.fsf@zagadka.ping.de> References: <1074467565.6733.300.camel@localhost> NNTP-Posting-Host: deer.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: sea.gmane.org 1074648978 378 80.91.224.253 (21 Jan 2004 01:36:18 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Wed, 21 Jan 2004 01:36:18 +0000 (UTC) Cc: guile-user@gnu.org, guile-devel@gnu.org Original-X-From: guile-user-bounces+guile-user=m.gmane.org@gnu.org Wed Jan 21 02:36:12 2004 Return-path: Original-Received: from monty-python.gnu.org ([199.232.76.173]) by deer.gmane.org with esmtp (Exim 3.35 #1 (Debian)) id 1Aj7Hv-00056h-00 for ; Wed, 21 Jan 2004 02:36:12 +0100 Original-Received: from localhost ([127.0.0.1] helo=monty-python.gnu.org) by monty-python.gnu.org with esmtp (Exim 4.24) id 1Aj6lQ-0005Bs-Cu for guile-user@m.gmane.org; Tue, 20 Jan 2004 20:02:36 -0500 Original-Received: from list by monty-python.gnu.org with tmda-scanned (Exim 4.24) id 1Aj6jR-0004zp-Su for guile-user@gnu.org; Tue, 20 Jan 2004 20:00:34 -0500 Original-Received: from mail by monty-python.gnu.org with spam-scanned (Exim 4.24) id 1Aj6iq-0004oW-QQ for guile-user@gnu.org; Tue, 20 Jan 2004 20:00:29 -0500 Original-Received: from [195.253.8.218] (helo=mail.dokom.net) by monty-python.gnu.org with esmtp (Exim 4.24) id 1Aj6ip-0004oG-VN for guile-user@gnu.org; Tue, 20 Jan 2004 19:59:56 -0500 Original-Received: from dialin.speedway42.dip148.dokom.de ([195.138.42.148] helo=zagadka.ping.de) by mail.dokom.net with smtp (Exim 3.36 #3) id 1Aj6jd-0006Rc-00 for guile-user@gnu.org; Wed, 21 Jan 2004 02:00:45 +0100 Original-Received: (qmail 31020 invoked by uid 1000); 21 Jan 2004 00:59:54 -0000 Original-To: Roland Orre In-Reply-To: <1074467565.6733.300.camel@localhost> (Roland Orre's message of "Mon, 19 Jan 2004 00:12:45 +0100") User-Agent: Gnus/5.1002 (Gnus v5.10.2) Emacs/21.3 (gnu/linux) X-BeenThere: guile-user@gnu.org X-Mailman-Version: 2.1.2 Precedence: list List-Id: General Guile related discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guile-user-bounces+guile-user=m.gmane.org@gnu.org Xref: main.gmane.org gmane.lisp.guile.user:2665 gmane.lisp.guile.devel:3258 X-Report-Spam: http://spam.gmane.org/gmane.lisp.guile.user:2665 Roland Orre writes: > The reason I have used shared substrings is because of the side > effects. I was very happy when the make-shared-substring function > was introduced in 93 or 94. This made it possible for me to make > tremendous speedups when reading fix length text records and be able > to immediately treat the different fields of each record with scheme > standard conversion routines. Hmm, maybe should be using a more low-level data type than string for this kind of raw processing. Did you consider using uniform byte vectors, either from (srfi srfi-4) or from make-uniform-vector? Just a thought... -- GPG: D5D4E405 - 2F9B BCCC 8527 692A 04E3 331E FAF8 226A D5D4 E405 _______________________________________________ Guile-user mailing list Guile-user@gnu.org http://mail.gnu.org/mailman/listinfo/guile-user