From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Andreas Schwab Newsgroups: gmane.emacs.devel Subject: Re: PURESIZE increased (again) Date: Fri, 28 Apr 2006 16:18:22 +0200 Message-ID: References: <87lku5u6tx.fsf@pacem.orebokech.com> <200604272212.k3RMCe4C001158@jane.dms.auburn.edu> <200604272253.k3RMreIx001541@jane.dms.auburn.edu> NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: sea.gmane.org 1146233981 29645 80.91.229.2 (28 Apr 2006 14:19:41 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Fri, 28 Apr 2006 14:19:41 +0000 (UTC) Cc: eliz@gnu.org, Luc Teirlinck , emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Apr 28 16:19:38 2006 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by ciao.gmane.org with esmtp (Exim 4.43) id 1FZToi-0007aR-RH for ged-emacs-devel@m.gmane.org; Fri, 28 Apr 2006 16:19:33 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1FZToh-0001dQ-U4 for ged-emacs-devel@m.gmane.org; Fri, 28 Apr 2006 10:19:31 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1FZToW-0001cs-Ek for emacs-devel@gnu.org; Fri, 28 Apr 2006 10:19:20 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1FZToT-0001ca-Ed for emacs-devel@gnu.org; Fri, 28 Apr 2006 10:19:19 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1FZToT-0001cX-Ae for emacs-devel@gnu.org; Fri, 28 Apr 2006 10:19:17 -0400 Original-Received: from [195.135.220.2] (helo=mx1.suse.de) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA:32) (Exim 4.52) id 1FZTqm-00085R-TX; Fri, 28 Apr 2006 10:21:41 -0400 Original-Received: from Relay1.suse.de (mail2.suse.de [195.135.221.8]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.suse.de (Postfix) with ESMTP id 35E73EE5C; Fri, 28 Apr 2006 16:18:23 +0200 (CEST) Original-To: Ken Raeburn X-Yow: Dehydrated EGGS are STREWN across ROULETTE TABLES.. In-Reply-To: (Ken Raeburn's message of "Thu, 27 Apr 2006 19:16:03 -0400") User-Agent: Gnus/5.110004 (No Gnus v0.4) Emacs/22.0.50 (gnu/linux) 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:53550 Archived-At: Ken Raeburn writes: > No, I think you got that right ... the runtime process size and > efficiency of heap allocation can vary a lot depending on the librarie= s. > But the pure storage in Emacs doesn't get allocated that way; it comes > out of a statically allocated array named pure[] in alloc.c, which has > its own allocation routines (pure_alloc and friends). The padding used by pure_alloc depends on USE_LSB_TAG, which may explain the difference. Andreas. --=20 Andreas Schwab, SuSE Labs, schwab@suse.de SuSE Linux Products GmbH, Maxfeldstra=DFe 5, 90409 N=FCrnberg, Germany PGP key fingerprint =3D 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED= 5 "And now for something completely different."