From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Lars Ingebrigtsen Newsgroups: gmane.emacs.devel Subject: Re: Reworking loaddefs.el generation Date: Wed, 01 Jun 2022 16:23:16 +0200 Message-ID: <87ilpk4g4r.fsf@gnus.org> References: <87ee0f8cvx.fsf@gnus.org> <87tu954jzl.fsf@gnus.org> <87ilpl2g2c.fsf@gnus.org> <87a6ax2b2e.fsf@gnus.org> <87sfoo1vny.fsf@gnus.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="2825"; 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 Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Wed Jun 01 16:24:34 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 1nwPGz-0000Uf-LB for ged-emacs-devel@m.gmane-mx.org; Wed, 01 Jun 2022 16:24:34 +0200 Original-Received: from localhost ([::1]:46566 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nwPGx-0002rE-S4 for ged-emacs-devel@m.gmane-mx.org; Wed, 01 Jun 2022 10:24:32 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:45526) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nwPFv-0001FM-Ff for emacs-devel@gnu.org; Wed, 01 Jun 2022 10:23:27 -0400 Original-Received: from quimby.gnus.org ([2a01:4f9:2b:f0f::2]:57956) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nwPFs-00016c-Pk for emacs-devel@gnu.org; Wed, 01 Jun 2022 10:23:27 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnus.org; s=20200322; h=Content-Type:MIME-Version:Message-ID:In-Reply-To:Date: References:Subject:To:From:Sender:Reply-To:Cc:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=vjswY3Rb5Xhx96fTSrVs894BJCVLh36p8DFEB4Zsfm4=; b=NcjLUUWjOqaEMDckKJ1XQSyCO3 RFlKyNAciioZLgHPSGGrHjNtuiCeVv37/+KgSlSx48gHffhcE7hOm8SDPPx1paaIAMA+3UU/nVIgW 3VbLdptvPe5W+xiwW4PIJh7V14jKT3A+Mno82Ku6L/sjm5YaxqVdGLYs2W8liZG3bksc=; Original-Received: from [84.212.220.105] (helo=xo) by quimby.gnus.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nwPFn-0007DP-Mg for emacs-devel@gnu.org; Wed, 01 Jun 2022 16:23:22 +0200 Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwAgMAAAAqbBEUAAAABGdBTUEAALGPC/xhBQAAACBj SFJNAAB6JgAAgIQAAPoAAACA6AAAdTAAAOpgAAA6mAAAF3CculE8AAAADFBMVEVcOiuVZkS+oI7/ //8K/T4KAAAAAWJLR0QDEQxM8gAAAAd0SU1FB+YGAQ4TGq0mVRgAAAGeSURBVCjPNc+xbtswEAbg n4FpoJlkQPLguQXSt6CKJkMnutARECcPkgHxKZoMHTrZRaVBkwZJiO4pe5SdI0Hpw/08gFDuemVu idxCUP1r66ciI8cE6/KWJ5sFxw1s+CYgagK3sF4waKp5kc75re+kE3qB4TfuFrneCZ4576eSjuzG LYgdD/6ShNJ+Qsk8X3SRhSZ/Rs/TGVRT+KceEWaeq4jL3qNhXkZVUhj2PRzPXClNh2HP8IJWaf8y BJYBt87viRksVWlNfgkR09rhjoNgWRG6GJsXnnKZNq/gkV71dzdzv6IwMOnXFfOIXyq3T4cY6xoj GJ+2jFkwwJj3Lw9/EfiluQiqKaJfDqOyejf9vOKxZ7+ok0J9bkHBd1xYhc91Bzf/ICKrUTWM4vCn M7QBqqXF8dC1RtkdyYbd52QV1aeUApAqInMsrL4hz4y1Q0YMbKDIJjbLvI+ALhBTDkggj5ErOrTy F3eFVHMBKZVCvg+ljUAqyygyUCsT2Ky+IVlXKqNsjG2SE+6hAno33CHHlgbca4Nt+/6BRCE+D/8B 44O4NN3GaPIAAAAldEVYdGRhdGU6Y3JlYXRlADIwMjItMDYtMDFUMTQ6MTk6MjYrMDA6MDBQoHhd AAAAJXRFWHRkYXRlOm1vZGlmeQAyMDIyLTA2LTAxVDE0OjE5OjI2KzAwOjAwIf3A4QAAAABJRU5E rkJggg== X-Now-Playing: Pole's _Fading_: "Drifting" In-Reply-To: (Andreas Schwab's message of "Wed, 01 Jun 2022 14:00:51 +0200") Received-SPF: pass client-ip=2a01:4f9:2b:f0f::2; envelope-from=larsi@gnus.org; helo=quimby.gnus.org X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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:290515 Archived-At: I was curious to see how load times have evolved over the last couple of years, so I did a loop like this: git checkout `git rev-list -1 --before="Jun 1 2021" HEAD`; git clean -xf; time make -j32 bootstrap And got the following result. Jun 1 2020 1m36.639s Jan 1 2021 1m49.241s Jun 1 2021 2m2.398s Dec 1 2021 2m10.583s May 1 2022 2m25.506s So we've been losing about 10s per six months? :-/ The changes this week basically takes us back two years. I know what a couple of things that led to longer build times -- org.org and symbols-with-positions -- but there's been other things, too, without us noticing much. It'd be interesting to see if we could pin-point commits that's led to compilation performance regressions, but I guess that'd take quite a while to run... -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no