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: More build times Date: Sat, 25 Jun 2022 18:16:47 +0300 Message-ID: <83tu88ai3k.fsf@gnu.org> References: <87czexj5tg.fsf@gnus.org> <87pmiwj1st.fsf@gnus.org> <83y1xkakvs.fsf@gnu.org> <878rpkiyzc.fsf@gnus.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="1413"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Emacs-devel@gnu.org To: Lars Ingebrigtsen Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sat Jun 25 17:18:11 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 1o57Y3-00009u-1o for ged-emacs-devel@m.gmane-mx.org; Sat, 25 Jun 2022 17:18:11 +0200 Original-Received: from localhost ([::1]:52962 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1o57Y1-0000e6-KP for ged-emacs-devel@m.gmane-mx.org; Sat, 25 Jun 2022 11:18:09 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:54872) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1o57Wj-0007Ya-R8 for Emacs-devel@gnu.org; Sat, 25 Jun 2022 11:16:49 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:33398) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1o57Wj-0004Sd-I4; Sat, 25 Jun 2022 11:16:49 -0400 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=Uyio5NQiBqxcyCbo1KaFNGK83i/59N6G6P1hKjWsOuM=; b=YjSNqDLkXUSD 7HuGCnTvOJdb8EvBsZ44JgL6DSxsCIoZGqKD8rPJPObLciRPlMvE8sbfuFQ6y0YFsQT7n7axrjA4M AmhtWwuRKkNmm9srixEHlBpBuR65ZV2RIqnCj2k2jhPLNghCLHpPAfB3NXuArTYrhAVzwWrP6jNPx HpV1FL25+iOV7/DJLvsEFFV/Pdiw7KH543MYl2/rC81+BjQGgFj0igKgGTHMXIddA1wI00Sqyrk4i vBVbadIbcnqjHjC2rEmVJpzEfOZPiUxVLNF9+aBxkxSvD8jhR6Tk/8J9osiyRbpE9FP031uPZ+37d U+Tm80yOja+iVsdoUjtU6w==; Original-Received: from [87.69.77.57] (port=3573 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 1o57Wj-00034r-1c; Sat, 25 Jun 2022 11:16:49 -0400 In-Reply-To: <878rpkiyzc.fsf@gnus.org> (message from Lars Ingebrigtsen on Sat, 25 Jun 2022 16:44:55 +0200) 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:291609 Archived-At: > From: Lars Ingebrigtsen > Cc: Emacs-devel@gnu.org > Date: Sat, 25 Jun 2022 16:44:55 +0200 > > Eli Zaretskii writes: > > > You mean the build times include the time it took Git to checkout the > > tree at a specific commit? > > No, it just measures the "make". Then how the Git issues you described can explain the oscillations of the elapsed build time, whereby the elapsed time increases while CPU time decreases? > Yes. "git checkout f419de6eca4ca6" (on the master branch) does not give > you the state on master branch at that time. Try it yourself: How is that relevant to the build times?