From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: =?utf-8?Q?=C3=93scar_Fuentes?= Newsgroups: gmane.emacs.devel Subject: Re: Enabling native compilation by default when libgccjit is present Date: Sun, 05 Dec 2021 18:10:19 +0100 Message-ID: <87mtlfasg4.fsf@telefonica.net> References: <83wnkm94oq.fsf@gnu.org> <87y251vdeh.fsf@gnus.org> <87lf11tlzf.fsf@gnus.org> <87r1atrsp9.fsf@gnus.org> <8735n85fa5.fsf@gnus.org> <87r1arskmq.fsf@gnus.org> <87r1arsjpu.fsf@yahoo.com> <87ilw3sjlr.fsf@gnus.org> <87r1ar4mi2.fsf@gmail.com> <874k7nw32n.fsf@gnus.jao.io> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="29428"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) To: emacs-devel@gnu.org Cancel-Lock: sha1:z/AW7AebBu7cyNlNegX72cSD7NM= Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sun Dec 05 18:11:23 2021 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 1mtv2o-0007Tg-Q6 for ged-emacs-devel@m.gmane-mx.org; Sun, 05 Dec 2021 18:11:22 +0100 Original-Received: from localhost ([::1]:56614 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mtv2m-0000u7-Vg for ged-emacs-devel@m.gmane-mx.org; Sun, 05 Dec 2021 12:11:20 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:57604) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mtv20-00080s-KX for emacs-devel@gnu.org; Sun, 05 Dec 2021 12:10:33 -0500 Original-Received: from ciao.gmane.io ([116.202.254.214]:33924) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mtv1y-000218-Fn for emacs-devel@gnu.org; Sun, 05 Dec 2021 12:10:32 -0500 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1mtv1v-0006Pr-Nk for emacs-devel@gnu.org; Sun, 05 Dec 2021 18:10:27 +0100 X-Injected-Via-Gmane: http://gmane.org/ Received-SPF: pass client-ip=116.202.254.214; envelope-from=ged-emacs-devel@m.gmane-mx.org; helo=ciao.gmane.io X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.249, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 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:281012 Archived-At: "Jose A. Ortega Ruiz" writes: > I'd be curious to know where people are seeing speedups. In my experience nativecomp is somewhat noticeable while using lsp-mode. Otherwise, not much, if at all. The reason for this is not hard to understand for anyone with a little bit of knowledge about binary code optimization. For instance, if your Elisp code consists on invoking opaque C primitives, the gain of compiling it to machine instructions will be mostly irrelevant.