From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Miles Bader Newsgroups: gmane.emacs.devel Subject: Re: A question about read syntax and compiled backreferences Date: Sun, 28 Jan 2007 09:10:46 +0900 Message-ID: <87bqkkqad5.fsf@catnip.gol.com> References: Reply-To: Miles Bader NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: sea.gmane.org 1169943087 22383 80.91.229.12 (28 Jan 2007 00:11:27 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Sun, 28 Jan 2007 00:11:27 +0000 (UTC) Cc: Juanma Barranquero , Emacs Devel , Andreas Schwab To: Stefan Monnier Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sun Jan 28 01:11:20 2007 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1HAxdg-0000nr-AF for ged-emacs-devel@m.gmane.org; Sun, 28 Jan 2007 01:11:20 +0100 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1HAxdf-0008MC-OI for ged-emacs-devel@m.gmane.org; Sat, 27 Jan 2007 19:11:19 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1HAxcv-0008E6-4P for emacs-devel@gnu.org; Sat, 27 Jan 2007 19:10:33 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1HAxcu-0008Dg-C2 for emacs-devel@gnu.org; Sat, 27 Jan 2007 19:10:32 -0500 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1HAxcu-0008Da-6D for emacs-devel@gnu.org; Sat, 27 Jan 2007 19:10:32 -0500 Original-Received: from smtp02.dentaku.gol.com ([203.216.5.72]) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA:32) (Exim 4.52) id 1HAxcs-0002r2-OZ; Sat, 27 Jan 2007 19:10:31 -0500 Original-Received: from 203-216-96-183.dsl.gol.ne.jp ([203.216.96.183] helo=catnip.gol.com) by smtp02.dentaku.gol.com with esmtpa (Dentaku) id 1HAxco-00007T-8A; Sun, 28 Jan 2007 09:10:26 +0900 Original-Received: by catnip.gol.com (Postfix, from userid 1000) id 22A7B2F40; Sun, 28 Jan 2007 09:10:47 +0900 (JST) System-Type: i686-pc-linux-gnu In-Reply-To: (Stefan Monnier's message of "Sat\, 27 Jan 2007 17\:22\:17 -0500") Original-Lines: 15 X-Abuse-Complaints: abuse@gol.com X-detected-kernel: Linux 2.6, seldom 2.4 (older, 4) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:65546 Archived-At: Stefan Monnier writes: > BTW, maybe it would be worth it to try and investigate why it gets so much > slower: we may be able to fix the slowdown rather than circumvent it. I think for each lisp object printed, it does a linear search on a list of all lisp objects previously printed (within the same "top-level" print). It would presumably help a lot to use an eq hash table instead. -miles -- I'm beginning to think that life is just one long Yoko Ono album; no rhyme or reason, just a lot of incoherent shrieks and then it's over. --Ian Wolff