From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: GNU is looking for Google Summer of Code Projects Date: Thu, 19 Mar 2020 17:26:24 -0400 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="62713"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: Rocky Bernstein , emacs-devel To: Andrea Corallo Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Thu Mar 19 22:27:11 2020 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1jF2h3-000G8G-NA for ged-emacs-devel@m.gmane-mx.org; Thu, 19 Mar 2020 22:27:09 +0100 Original-Received: from localhost ([::1]:43372 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jF2h2-0003OL-Or for ged-emacs-devel@m.gmane-mx.org; Thu, 19 Mar 2020 17:27:08 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:49290) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jF2gQ-0002sT-5w for emacs-devel@gnu.org; Thu, 19 Mar 2020 17:26:31 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jF2gO-0004qS-Hl for emacs-devel@gnu.org; Thu, 19 Mar 2020 17:26:29 -0400 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:6252) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jF2gO-0004oD-B5; Thu, 19 Mar 2020 17:26:28 -0400 Original-Received: from pmg2.iro.umontreal.ca (localhost.localdomain [127.0.0.1]) by pmg2.iro.umontreal.ca (Proxmox) with ESMTP id 59EA180C65; Thu, 19 Mar 2020 17:26:27 -0400 (EDT) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg2.iro.umontreal.ca (Proxmox) with ESMTP id 96B79810A0; Thu, 19 Mar 2020 17:26:25 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1584653185; bh=DNywQAbPPzt38o0pA7m1y6RcsCf+hepaEh+Vt9UzUjg=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=llHcYE6dSiiWMIXTee7WS1xQqijUS+MIP5c1JcclzDgN9jwIo0Q6iwHA1q1eCUG3q uPOCs610JNGLbuOQiAEgATKZqV4I7Yar+EUvMlOoOktI8aa+EzX6LnNm4rwCgGR/ZP E/zDkqA8CHNvfC6ExIBSnipYPzfZgIQa+11WIxHC/nMQ+URVCICzq8d1HYwNI39y8J vLyj0CjegOPA896xFovN6mlve9MYVHHD8ptz9eJMFAt6nAh7UAzkL0MS/VEa+93XWc 8tB3m5uDpDUTs0mmGYqFbgLbwB/7O16JwtUdguBo5YZoAneyCGEiDAiaqCBoFARFIb c2Il0rz0CENvQ== Original-Received: from alfajor (unknown [104.247.241.114]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id 547CA120786; Thu, 19 Mar 2020 17:26:25 -0400 (EDT) In-Reply-To: (Andrea Corallo's message of "Thu, 19 Mar 2020 17:56:42 +0000") X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 132.204.25.50 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:245590 Archived-At: > Do we really need some dedicated low level object? I don't know what you mean, sorry. > This should be all overhead that disappears with compilation anyway. I get the impression that you were referring to the part where I talked about the "object description" for the runtime system. Compilation is of no help here. It's already all happening in C code. Maybe rewriting in a language with a bit more introspection might make an "object description" more-or-less readily available (maybe the Remacs work might qualify), but we'd still need to connect that with a GC and with pdump etc... Stefan