From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Po Lu Newsgroups: gmane.emacs.devel Subject: Re: Loading tramp for dump goes into infinite regress Date: Tue, 09 Aug 2022 20:36:04 +0800 Message-ID: <87fsi5zj9n.fsf@yahoo.com> References: <8735erhrlg.fsf@gmx.de> <83wnc2g0n8.fsf@gnu.org> <83sfmqfxcb.fsf@gnu.org> <83a68yfp6j.fsf@gnu.org> <83r129e1op.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="14113"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.91 (gnu/linux) Cc: Eli Zaretskii , Stefan Monnier , emacs-devel@gnu.org To: Lynn Winebarger Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Tue Aug 09 14:37:09 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 1oLOTs-0003Wk-Vv for ged-emacs-devel@m.gmane-mx.org; Tue, 09 Aug 2022 14:37:09 +0200 Original-Received: from localhost ([::1]:59820 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oLOTr-0001RS-M9 for ged-emacs-devel@m.gmane-mx.org; Tue, 09 Aug 2022 08:37:07 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:49268) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oLOT5-0000l8-Nb for emacs-devel@gnu.org; Tue, 09 Aug 2022 08:36:19 -0400 Original-Received: from sonic308-56.consmr.mail.ne1.yahoo.com ([66.163.187.31]:42114) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oLOT4-0007RH-54 for emacs-devel@gnu.org; Tue, 09 Aug 2022 08:36:19 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1660048575; bh=J0oDBctUAC2UlzYqzVmO8tGCFSFHooNDJ78Th08WzY8=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From:Subject:Reply-To; b=WAwW8VHkCEVgs3Kg0GNuTOBSRxE2crxiacR7zMQ8IdYKraCx5IeovV8Dpg1fFi8iJMpxb6jjdER+oDjPnt9ddDRB81YpHBah5Wj6KWw27h7tkR0PAR9NQxntDQkex6aYCKPhg9ksQxKUJIDkVmiZtVR08X46bsQuSijqfiYBkOm3ohEwArl6/D99QweBPM22oNZTKH/9rbWlXXUdddwITHemZJ+QmkPsCSXCNJwL2bCDXEEbEwNAI/3lgJq2a6lBSYVa2EZHU8IVSMg6OCDaA1/w5qz6OZWmvAzy3e4Do7TqbkUNxovsRPG8K+6MfhIJQuY2CiY7AJktuTO6+6p7vg== X-SONIC-DKIM-SIGN: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1660048575; bh=STNESYSWluVIw1rHNPVz4G76Vm127M1G4aoWKcGJtSe=; h=X-Sonic-MF:From:To:Subject:Date:From:Subject; b=m4hCNCIHLQk54EExYXULCSMEV23mrOccDyX3D0+M/8csSt/LGyonMrnVr+NdaajHin4G6APFIo5r/UVIRmKkg8RgX5DGCPFJriB2GHiaRSIiphoG6jp+XdD4q2zPhj7FH0yOOzzqEruy+v8ycmUS27Tu+0+H/lKxHDo146MX5nkoVdqXMhOdFsBw2ttLLXCL3P0M2Q57kz//DwZABPpC/dJwGArqicNE4jJ2kav4kYGFJSQH0mmmhKhrfNQR/YVHci5QLOjWqvGBlR2uA/ODuYVAP0Qln0ACVkJGHRiOKc1x3y8qFPkzNyMxrDZJywy4iwYe+zGHECAWfbT19vBYCw== X-YMail-OSG: eHpN2FkVM1lLySKx6.PFFMrNcR0QZFLNFVkvrtfmpUfhhHcs7SWcZUYBtywPWyu XWJi8BL43XXf91jMJMj4sNNx0YojTmwt5z2hTQYqY6VVMDOGUA.F9fJOV3.jvX8I5pOarvAkh7DB MBPkTsTSoithlEk95.xYvuf2COnxnRsRwujxjhPzk1utN_FS.9WEkm2z288wnRKfVRaKQ.Mr5pfz AP9yFR5.qqoc2vpQYq4IWod..MhW3JoNtF5l2bE6G.L7.9D8v329PGGreljA9Qo_syOahkRIn16C qjbRIJS6LL9xBrxdQyhHoGpjOsdnFVfw.Ie.ZfU7wWFXxtHhpgbMQk3szruxbKWoQD.xBfyXKbm_ tIL31lEfsgmJay6igX7RdOK.PrAm3UQM3_co1VYtl3iERGjgt8X7im25zjwAwmwBuZg3g22Xb4Jm 5hA7_Dayj8D9iRxeboLI6Q0oy5ZvL14i.eUnYxaUnNQCh2TtKDaeZ2IHQmqtq7tJnYpVxGvYwxTx EeRXojB.psq_nzK87atbabZf8q3ATmBEZFHl4rRSw8GMWCMKklHdzXJEcYByiYhtT9Nl7sYrukR2 vccRACQMGZJFKkPAwCeZxg8pe7CSDFmiV7_nUU1FCQhi9kyFAJAwW8_6Kq0R1uLdR2WPh5jXBIGx w_l7E4M5MM8EwaOVPdZF2ef9Em0vGbKmTGJAkjQ3yEn_be.xiRShCRvkXlM2IQv18juilKLRk_Lo AIDjA2PMHvpG1PPty4q3HqRg2Xx5gDkfXQ.plrDJEScYmJ3tDyjalOvnphqHrPO4r5ZNdNMCZUr8 i64K23SEdm6sJC70rNrUefLr9nB8OnoNmsWsZjRadM X-Sonic-MF: Original-Received: from sonic.gate.mail.ne1.yahoo.com by sonic308.consmr.mail.ne1.yahoo.com with HTTP; Tue, 9 Aug 2022 12:36:15 +0000 Original-Received: by hermes--canary-production-sg3-6f58cd9b5-q5dg5 (Yahoo Inc. Hermes SMTP Server) with ESMTPA ID 584a9093a89b7b8410d6f6c32cacdc53; Tue, 09 Aug 2022 12:36:10 +0000 (UTC) In-Reply-To: (Lynn Winebarger's message of "Tue, 9 Aug 2022 08:29:13 -0400") X-Mailer: WebService/1.1.20491 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Received-SPF: pass client-ip=66.163.187.31; envelope-from=luangruo@yahoo.com; helo=sonic308-56.consmr.mail.ne1.yahoo.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable 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:293305 Archived-At: Lynn Winebarger writes: > The second statement was comparing dumped versus undumped performance, > whether native- or byte- compiled. This isn't a novel observation, > but the dump is basically a one-shot mark-compact GC collection, and > the mmap'ed pdump files would ideally be treated like the old > generation of a generational collector, and so not traced in most (or > all) collection cycles. This is (or should be) one benefit of pure > space, although the requirement that it be read-only could be dropped > as long as the write-barrier remains and is used to record any > inter-generational pointers to a root set traced by the collector. This (very) minor benefit of pure space is already gone, since it is unprotected and scanned normally for garbage collection in pdumper builds.