From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: Enabling native compilation by default when libgccjit is present Date: Sun, 05 Dec 2021 17:59:00 -0500 Message-ID: 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> <87mtlfasg4.fsf@telefonica.net> <877dcix39b.fsf@gnus.jao.io> <87ee6qbwle.fsf@telefonica.net> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="15583"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) Cc: emacs-devel@gnu.org To: =?windows-1252?Q?=D3scar?= Fuentes Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Mon Dec 06 00:01:16 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 1mu0VP-0003pj-A6 for ged-emacs-devel@m.gmane-mx.org; Mon, 06 Dec 2021 00:01:15 +0100 Original-Received: from localhost ([::1]:47918 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mu0VM-0007Xd-0o for ged-emacs-devel@m.gmane-mx.org; Sun, 05 Dec 2021 18:01:13 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:38280) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mu0Tn-00061g-W9 for emacs-devel@gnu.org; Sun, 05 Dec 2021 17:59:36 -0500 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:48217) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mu0Tl-0000jO-6X for emacs-devel@gnu.org; Sun, 05 Dec 2021 17:59:35 -0500 Original-Received: from pmg1.iro.umontreal.ca (localhost.localdomain [127.0.0.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id 8F7E610018C; Sun, 5 Dec 2021 17:59:30 -0500 (EST) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id 02669100025; Sun, 5 Dec 2021 17:59:25 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1638745165; bh=sEWEXrc53t8IaerAEvA/cQw8IssszXPa+hGXsRdkDc0=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=XmtBZbGpfcyBNg6sv9aG7pmhVsNA0+P9A2ad8m+UZP0nDgDD81dg0DNSpPbBaxbeI HiCx/m06HFRNAAdRmzclctNOSAeojz8chXVWwRNL4SCnuyKs4NdecmGFEb+FhTc90O voBuhkBwh1s6eBV1s16XVB5ELynDYd4ar8Pj+rXhy1Sz1YdOf2T5I7ZCezx6JNdcsX NKLG9ySpS9jp73S753OSk0gDC5hmxJMyNuoU35X+XxCbzl98+2XSGmsFO40UDBEN8y XrkXVh6fYtXsn7CWSjEJqsBC1e5ZwwcdNESVpuMSyFSeZR81sOT0OkDjGNFV53OwA5 DbrnKc83MK8rg== Original-Received: from ceviche (unknown [216.154.30.173]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id AEF24120622; Sun, 5 Dec 2021 17:59:24 -0500 (EST) In-Reply-To: <87ee6qbwle.fsf@telefonica.net> (=?windows-1252?Q?=22=D3scar?= Fuentes"'s message of "Sun, 05 Dec 2021 21:55:25 +0100") Received-SPF: pass client-ip=132.204.25.50; envelope-from=monnier@iro.umontreal.ca; helo=mailscanner.iro.umontreal.ca X-Spam_score_int: -42 X-Spam_score: -4.3 X-Spam_bar: ---- X-Spam_report: (-4.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham 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:281033 Archived-At: > There is a survivorship bias at play here. Code that was deemed slow on > Elisp was implemented on C Or rewritten to use a different approach that relies more heavily on existing functions coded in C (in some cases the result can be algorithmically less efficient, but faster in practice because of the constants involved). Stefan