From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Wojciech Meyer Newsgroups: gmane.emacs.devel Subject: Re: Compiling Elisp to a native code with a GCC plugin Date: Tue, 14 Sep 2010 22:05:28 +0100 Message-ID: <871v8w3ujr.fsf@gmail.com> References: <87bp805ecr.fsf@gmail.com> <874ods5ctf.fsf@gmail.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: dough.gmane.org 1284498383 8675 80.91.229.12 (14 Sep 2010 21:06:23 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Tue, 14 Sep 2010 21:06:23 +0000 (UTC) Cc: emacs-devel@gnu.org To: Tom Tromey Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Sep 14 23:06:20 2010 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 4.69) (envelope-from ) id 1Ovchn-0003Gu-Gl for ged-emacs-devel@m.gmane.org; Tue, 14 Sep 2010 23:06:19 +0200 Original-Received: from localhost ([127.0.0.1]:40327 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Ovchn-0005jt-2R for ged-emacs-devel@m.gmane.org; Tue, 14 Sep 2010 17:06:19 -0400 Original-Received: from [140.186.70.92] (port=40243 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Ovchh-0005iI-5p for emacs-devel@gnu.org; Tue, 14 Sep 2010 17:06:14 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1Ovchf-0004pa-OQ for emacs-devel@gnu.org; Tue, 14 Sep 2010 17:06:12 -0400 Original-Received: from mail-ww0-f49.google.com ([74.125.82.49]:39798) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1Ovchf-0004pE-JA for emacs-devel@gnu.org; Tue, 14 Sep 2010 17:06:11 -0400 Original-Received: by wwb24 with SMTP id 24so8663283wwb.30 for ; Tue, 14 Sep 2010 14:06:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=gamma; h=domainkey-signature:received:received:from:to:cc:subject:references :date:in-reply-to:message-id:user-agent:mime-version:content-type; bh=/yZxU/b4DQUqski9VJRMmeVBVG3J2+PPyQqCO7NgXho=; b=pVvkSb1/VagPv/YGVk6E61Zm7gox9x4LZDXcC1w25Pi/ig1HbiT5eknW3qVFXmUiFr kHCQFwzxeIVXWxaMQQWryQc+jv6NBXC4a2r0Yjr6WmgA24qCS6qXAZ4SE8O+pNQHbgk7 gLXzGSENx2lqsADgPVpBcS/xf4FCvZuceH45U= DomainKey-Signature: a=rsa-sha1; c=nofws; d=googlemail.com; s=gamma; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version:content-type; b=W3I728E98XA8cuNG48IFD21rWUw4X3X5q68foLNInMWqVnj7BIhe/lbrUtjyeq8TGw i2bVPnI2w8LFYLU46MLIJPGHKQ6U3TsPNcgETwrKDUBb2FKf96liLIZStEPJQqAj5N9i 5lZZbpufFiG5nDf4rwmI7woOmQIeYPMWYBXvc= Original-Received: by 10.227.138.7 with SMTP id y7mr410032wbt.133.1284498368639; Tue, 14 Sep 2010 14:06:08 -0700 (PDT) Original-Received: from spec-desktop.specuu.com (host86-133-35-46.range86-133.btcentralplus.com [86.133.35.46]) by mx.google.com with ESMTPS id i14sm547368wbe.6.2010.09.14.14.06.05 (version=TLSv1/SSLv3 cipher=RC4-MD5); Tue, 14 Sep 2010 14:06:06 -0700 (PDT) In-Reply-To: (Tom Tromey's message of "Tue, 14 Sep 2010 14:55:01 -0600") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) 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:130153 Archived-At: Tom Tromey writes: > is hard to guess; lexbind comes into play because with lexbind, the > various local bindings can just be C local variables, as opposed to much > more expensive elisp bindings. yep, because it just a run-time data structure, and no longer a pure stack frame. So somewhat accessing directly memory needs to be much less expensive. Wojciech