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: emacs reproducible builds part1 of 2 : eln Date: Sat, 10 Feb 2024 12:45:14 -0500 Message-ID: References: <8d01d73e-7ce1-4b3a-a25c-03b518a7e584@lsmod.de> <83jzofj70t.fsf@gnu.org> <83edemiklb.fsf@gnu.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="16934"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: Eli Zaretskii , bernhardout@lsmod.de, emacs-devel@gnu.org, Mattias =?windows-1252?Q?Engdeg=E5rd?= To: Andrea Corallo Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sat Feb 10 18:46:49 2024 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 1rYrRA-0004Ej-S0 for ged-emacs-devel@m.gmane-mx.org; Sat, 10 Feb 2024 18:46:48 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rYrPv-0008IS-48; Sat, 10 Feb 2024 12:45:31 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rYrPu-0008IJ-Ax for emacs-devel@gnu.org; Sat, 10 Feb 2024 12:45:30 -0500 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rYrPs-0007XS-AA; Sat, 10 Feb 2024 12:45:29 -0500 Original-Received: from pmg3.iro.umontreal.ca (localhost [127.0.0.1]) by pmg3.iro.umontreal.ca (Proxmox) with ESMTP id A10B2442CED; Sat, 10 Feb 2024 12:45:21 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1707587115; bh=Xfs77u1B5CKj8kh4yKFF6GmxZucZE2huB8VohjXOSOM=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=CDb8O5RVMFT18HzIuLiWysBOnHM4MWzy0ohCf+XLpGRMgjYrAzuWtp7dLvr4IZYZW cP+hioqrfMZaGV9Oae2UlYQujZIfkj0VYS/FTgxOeGwKP0UVWENzl0s4iOkI/YhaZw 9hkrH91cQN3f20ndNiu2WPLJFudTnKLzbGu428Rlegm0ZsJtC0OlAaVzwFeRl4mdK3 LK3iSkp5UOfvhpXN0Phmmt/jnl7Rn+bOUYp0z9cWgES4j0xTzIxe/49Fa3wswKr12j K8I4Sa73GWZxJ3nY0AFqSgDatpqIzGDFTnLToaGRXzUGUKLOj+hwj2cxTp2pInAdrk R9HuMExSyE3/w== Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg3.iro.umontreal.ca (Proxmox) with ESMTP id CA52F442D12; Sat, 10 Feb 2024 12:45:15 -0500 (EST) Original-Received: from pastel (unknown [104.247.238.113]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id 95465120A6F; Sat, 10 Feb 2024 12:45:15 -0500 (EST) In-Reply-To: (Andrea Corallo's message of "Sat, 10 Feb 2024 11:35:27 -0500") 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, 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-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:316101 Archived-At: > We collect all possible return values iterating over the basic blocks of > the functions, these are stored in hash table so we walk order is I > believe *not* deterministic. The walk order is officially undefined, but in practice with the current implementation of hash-tables it is fully determined by the order in which elements have been added/removed (and unaffected by the hash values). So, I'm not sure it explains the phenomenon you're seeing (I haven't seen the rest of this thread yet). Stefan