From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: Very slow check/nativecomp build Date: Sun, 20 Feb 2022 20:10:56 +0200 Message-ID: <838ru5wgr3.fsf@gnu.org> References: <87r17xo58x.fsf@gnus.org> <87ilt9o1pp.fsf@gnus.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="13499"; mail-complaints-to="usenet@ciao.gmane.io" Cc: acm@muc.de, emacs-devel@gnu.org To: Lars Ingebrigtsen Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sun Feb 20 19:12:05 2022 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 1nLqgm-0003H7-ED for ged-emacs-devel@m.gmane-mx.org; Sun, 20 Feb 2022 19:12:04 +0100 Original-Received: from localhost ([::1]:44476 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nLqgk-0007uA-Iw for ged-emacs-devel@m.gmane-mx.org; Sun, 20 Feb 2022 13:12:02 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:39134) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nLqfe-0007D5-57 for emacs-devel@gnu.org; Sun, 20 Feb 2022 13:10:54 -0500 Original-Received: from [2001:470:142:3::e] (port=59846 helo=fencepost.gnu.org) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nLqfd-0003OC-JI; Sun, 20 Feb 2022 13:10:53 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=eYxaSnHGY97Rr9mgnK46xrmyzEwrJfRBq9T9ndkk3fk=; b=Pov7LxJ9Shi/ 7QsNV2JZokTLxjIawp4zJgB8BucROp22vfOOsvbs3zPcOTAMqIFNWKsQzeTYPy1akTklPL2Rx5dG0 5sQvG8rJclGhiXRl4MsFPDscb3W8iyN7xXeJeGE8m5TG+NPjx/eZa4BTPKrI8Rua44JhKyOlI9EVg /6gUcD1t+jr1pvpT0PYTLs1mZ9AbaodUOxvesm8G9wDquvHR4GkRivgud6JyFqBFnDO8frHknb2Rn vNMLNBsa88F8yyD2MNNoOMiDOQfWcuL5IssJgVPTGhMoCmObzH4hTq7nN0kqUwHOzwN+pGHcUpK8Z ulLoX16QfVq1AEQJPz5dgw==; Original-Received: from [87.69.77.57] (port=3971 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nLqfc-0005hu-Tg; Sun, 20 Feb 2022 13:10:53 -0500 In-Reply-To: <87ilt9o1pp.fsf@gnus.org> (message from Lars Ingebrigtsen on Sun, 20 Feb 2022 19:02:58 +0100) 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:286530 Archived-At: > From: Lars Ingebrigtsen > Date: Sun, 20 Feb 2022 19:02:58 +0100 > Cc: emacs-devel@gnu.org > > Alan Mackenzie writes: > > > With the --enable-checking option? Are you sure you're not remembering > > it with just --with-native-compilation? --enable-checking makes things > > _much_ slower. > > Yes, I must be misremembering. nativecomp without checking still takes > about five minutes, and I checked with a nativecomp build from a couple > months back -- it also takes about 14 minutes with nativecomp + > checking. As Stefan points out, this shouldn't happen. So we should try and find the reason for such slowdown from using --enable-checking.