From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Gerd =?UTF-8?Q?M=C3=B6llmann?= Newsgroups: gmane.emacs.bugs Subject: bug#36649: 27.0.50; pure space and pdumper Date: Sun, 3 Jul 2022 10:21:11 +0200 Message-ID: <250F69E2-4C6F-459C-A57A-C26FC71F0855@gmail.com> References: <29B3CCCB-5FFB-4112-BA40-83FB33CC6ED6@gmail.com> <874jzywsjm.fsf@yahoo.com> Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3696.100.31\)) Content-Type: multipart/signed; boundary="Apple-Mail=_207A3B10-0197-4FFA-A861-05683256A4E1"; protocol="application/pgp-signature"; micalg=pgp-sha512 Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="29761"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 36649@debbugs.gnu.org, monnier@iro.umontreal.ca To: Po Lu Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Jul 03 10:22:25 2022 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1o7us5-0007Zn-02 for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 03 Jul 2022 10:22:25 +0200 Original-Received: from localhost ([::1]:58070 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1o7us3-0005c4-Kv for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 03 Jul 2022 04:22:23 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:52136) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1o7url-0005bf-Hh for bug-gnu-emacs@gnu.org; Sun, 03 Jul 2022 04:22:06 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:49353) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1o7uri-0005dH-ER for bug-gnu-emacs@gnu.org; Sun, 03 Jul 2022 04:22:04 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1o7uri-0005JW-7l for bug-gnu-emacs@gnu.org; Sun, 03 Jul 2022 04:22:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Gerd =?UTF-8?Q?M=C3=B6llmann?= Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 03 Jul 2022 08:22:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 36649 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: patch Original-Received: via spool by 36649-submit@debbugs.gnu.org id=B36649.165683648120375 (code B ref 36649); Sun, 03 Jul 2022 08:22:02 +0000 Original-Received: (at 36649) by debbugs.gnu.org; 3 Jul 2022 08:21:21 +0000 Original-Received: from localhost ([127.0.0.1]:43250 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1o7ur3-0005IY-Ku for submit@debbugs.gnu.org; Sun, 03 Jul 2022 04:21:21 -0400 Original-Received: from mail-ed1-f45.google.com ([209.85.208.45]:42571) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1o7ur1-0005IJ-Ig for 36649@debbugs.gnu.org; Sun, 03 Jul 2022 04:21:20 -0400 Original-Received: by mail-ed1-f45.google.com with SMTP id r18so7991273edb.9 for <36649@debbugs.gnu.org>; Sun, 03 Jul 2022 01:21:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:subject:from:in-reply-to:date:cc:message-id:references :to; bh=uVosEUa62UqDdXNtleFQxsEwYNTE7eEaFxcbwRy2x7k=; b=EekJis5TNDSSM51PxM3NPppnYuNo7D6TAfPx7FfGDkz6g6VfGc9Oflt762eMx49kby F1QFBQg2BArNAB4rG/Ic0Y7cgLH1LchsFU4aLfHzcPIvWTXIP+UobKLtJeWeeULJHX/A 7I9aVJMilHqt3is8UawmLkeIEWAfNl6Le712WHFWi5wLTlfChmFGgCq9egXlpS6ZbnGT aZHJzd/Fc5c1Zu58e+0AP6fPq4D2Xf4GtvW1SgP+Psxcb6WFoCpfaRj8+zNDuoxqUz0l qZZ28Tx7pZn+/gC0fMkUSzN/aq6CVTchzJsxTi/QKZqbj+SZxfyMr5pDsAshtAzcrJ1s HdUA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :message-id:references:to; bh=uVosEUa62UqDdXNtleFQxsEwYNTE7eEaFxcbwRy2x7k=; b=W3QbkX9FA9KXpALhiH1mhKZ6jQPDCBRIe3kK5cH6YetZJ8ZAvKwXfIZUMuLRw7c1XT dZ5oqk9nmfYCzjqxa1tV1KlhJUgGFEae5B/Z6nStmKBNZXHD7A3ZFvjJ7MEtfTo/Lubz ybSg/nE37Dozk2ilt36IOLjTyS1HbN3/QdLUISv/G/Pn+clcZfTadW2YuNhPAgXn8M28 dxJqW+hBvHOdLUnJx2H2JVBMUone/56APQA3Fe6WAoLUEuI+ILNUffgtuzVtAZoBENz0 QOaJIq1QMgTiKCnlk4hbyxR1BD/O70ffgkOt9dSiVY6FAL6tuw/aMRcWFehcBdSeO/Vd Q4sA== X-Gm-Message-State: AJIora/gosR9U6pO5YGld0E+7G9IkuFaEAojt6ME8FqtIM1C/GwktitB EOpMtO/3LVn1ALZwD+aYp4Y= X-Google-Smtp-Source: AGRyM1uCTGiNAMMHdmyvI2LTttZbnSmU0HJqfFe1NV19FpjdqukGbWXaKkuKzChkLufh9z3NScM4Yw== X-Received: by 2002:a05:6402:5008:b0:437:7f01:82a with SMTP id p8-20020a056402500800b004377f01082amr30703123eda.220.1656836473344; Sun, 03 Jul 2022 01:21:13 -0700 (PDT) Original-Received: from smtpclient.apple (p54b0c322.dip0.t-ipconnect.de. [84.176.195.34]) by smtp.gmail.com with ESMTPSA id 21-20020a170906319500b0072aac739089sm1551677ejy.98.2022.07.03.01.21.12 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sun, 03 Jul 2022 01:21:12 -0700 (PDT) In-Reply-To: <874jzywsjm.fsf@yahoo.com> X-Mailer: Apple Mail (2.3696.100.31) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:235971 Archived-At: --Apple-Mail=_207A3B10-0197-4FFA-A861-05683256A4E1 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 > On 2022-07-03,, at 9:42 , Po Lu wrote: >=20 > Gerd M=C3=B6llmann writes: >=20 >> Interesting! >>=20 >> Is there something I could read about your new GC? >=20 > Not exactly. It's a very simple 3 color incremental mark-and-sweep > collector (which is not generational or moving) using hardware write > barriers to keep track of changes made by the mutator. I tried to = keep > the design of the existing garbage collector intact as much as = possible. I understand. I think I know the 3-color algorithm. Details don't = matter that much. >=20 > Which algorithm(s) were you considering? I think that information = might > be useful. It's a mostly-copying GC, using VM pages and VM page protection. The = mostly-copying part was patented at the time, which I noticed too late. = AFAIU, that patent has expired, but that's a question for someone = knowing US law better than me. I can send you a C file if you want (also everyone else who wants it). = Stefan already has it. I sent it around in 2001 or so, in the hope that = it might be of some use in the future. The C file even has some large explanatory comments, albeit I have to = admit I wrote them years after the code, for sending it out. --Apple-Mail=_207A3B10-0197-4FFA-A861-05683256A4E1 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQIzBAEBCgAdFiEEirYePpiT82Hjkftpc+obGZDFPmMFAmLBUXcACgkQc+obGZDF PmNKcRAA8nDvdwNyJt1LT5milvDcWlgc6YXQ9yXf+EBOg+OvfXZtEFCFy8uSABOE j92I81+eeWTqWWzYXsR8SLN7PLrOzVq2Tu7R1x153dXZvMO8JCVgIVARXxHwz19g ZzmBZ5dCnWq3flI/0QurDkcHN1S8v8a+/dmx8exhfkQovTFjrXAUb4S5RyELuoo9 4EMeNHOyN/LxVSZ7a/hLbdMnzvZPbgITv1g9egKg60XSv7zL9WxMV9nVe+LTLNp6 gFdl4WUCCDbAxBZUXNlYCXvc56Ag9nN+zeQFJHbeBDmDx4DtSyRbWdSi14xPQyzz tCq0Sb6fKtRp7SDIX+iCTrukQGtse0MRMtPfaK5MOAG+110JXeI8OeRsLwpEd7qw ALHIJBNtza+M2uPI6V5+46uBRf0C3+mSoe1Y+0pBq1aC/x64rfGR31w22a4Fq1LA cIzQEIP0i16iBfuTRHOENPECZEQF3ERqywfcsVN64UUIP2v5e7Uu/NdARYZIM9yc 0MPFwLhmkg55t17Vs4nh+ra6xptxEoV4Cz1HhoWrjPn8Pfw5Lq2J04on4KsKYqa4 y7a6XOnOYHMC5Yh3gX5qXK6pQ9vwVHp7fkyrfyNVQByil+9b+FcAM9gJHoRnjBXS pmOd/FHJEUbYurD4RguIVl5Nc+wjla3NUL3F2NeT4RscXHE8W0o= =yWAP -----END PGP SIGNATURE----- --Apple-Mail=_207A3B10-0197-4FFA-A861-05683256A4E1--