From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Pip Cet via "Emacs development discussions." Newsgroups: gmane.emacs.devel Subject: Re: Some experience with the igc branch Date: Fri, 27 Dec 2024 19:23:41 +0000 Message-ID: <87o70x3p8a.fsf@protonmail.com> References: <87o713wwsi.fsf@telefonica.net> <86ldw2zy6s.fsf@gnu.org> <867c7lw081.fsf@gnu.org> Reply-To: Pip Cet Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="8512"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Eli Zaretskii , stefankangas@gmail.com, ofv@wanadoo.es, emacs-devel@gnu.org, eller.helmut@gmail.com, acorallo@gnu.org To: =?utf-8?Q?Gerd_M=C3=B6llmann?= Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri Dec 27 20:33:16 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 1tRG5E-00021J-MA for ged-emacs-devel@m.gmane-mx.org; Fri, 27 Dec 2024 20:33:16 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tRG4D-000227-RL; Fri, 27 Dec 2024 14:32:13 -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 1tRFw7-0000NU-4l for emacs-devel@gnu.org; Fri, 27 Dec 2024 14:23:51 -0500 Original-Received: from mail-10628.protonmail.ch ([79.135.106.28]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tRFw4-00056l-73 for emacs-devel@gnu.org; Fri, 27 Dec 2024 14:23:50 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=protonmail.com; s=protonmail3; t=1735327424; x=1735586624; bh=iZfUkLLp1KELgIJwMo1qM+ykURirQacbtEr4P6IAIyE=; h=Date:To:From:Cc:Subject:Message-ID:In-Reply-To:References: Feedback-ID:From:To:Cc:Date:Subject:Reply-To:Feedback-ID: Message-ID:BIMI-Selector:List-Unsubscribe:List-Unsubscribe-Post; b=arWGV62VikKdiIqJ44ZL7Rq6cZ1DU7ixhRrdY8L+o8xZFQu4ghuGuKqkFiWMxIA4i RfkmQ5p92sOjQi6ktmIK9hkpG+7DBETpjn/A2Ftc5rKmiYbvm/cLZvM8iQqP6IC2RD p692Sl7Fj0EtbnZwhVlRmv51eFlfQA61MD/Zh6PM+qPJm/tOJ3Dx3WiHk58pFactpb z5ANpVt5TfP8GDOYcaCdY7lF4lo+ZLYMH36KFTcPkfSOIsXx621fxYajeW2CH1pfIX KAv6IIO7SSTQK8VrcX5OVypZTjIOPEd0c69S6N7vPAMkexjqoo0Khvi7wxjvlO7Qdk AgOHgqBpOGkcw== In-Reply-To: Feedback-ID: 112775352:user:proton X-Pm-Message-ID: 691b9e2b0ed220e17604ad3deba6f5b4fdf4e16f Received-SPF: pass client-ip=79.135.106.28; envelope-from=pipcet@protonmail.com; helo=mail-10628.protonmail.ch 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_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Fri, 27 Dec 2024 14:32:10 -0500 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:327227 Archived-At: Gerd M=C3=B6llmann writes: > Eli Zaretskii writes: > >>> From: Gerd M=C3=B6llmann >>> Cc: Eli Zaretskii , pipcet@protonmail.com, ofv@wanadoo.= es, >>> emacs-devel@gnu.org, eller.helmut@gmail.com, acorallo@gnu.org >>> Date: Fri, 27 Dec 2024 14:56:06 +0100 >>> >>> Gerd M=C3=B6llmann writes: >>> >>> > I've reached the point where I don't know what else to explain. Could >>> > always be improved, of course, and so on. Please find attached, with >>> > request for feedback. >>> >>> Ahem, just remembered that I had already an admin/igc.org in the branch= , >>> so I've now replaced that with what I've written. >> >> Thanks. Some questions about that file: >> >> In contrast, the new igc collector, using MPS, is >> >> - Concurrent. The GC runs in its own thread. There are no explicit >> calls to start GC, and Emacs doesn't have to wait for the GC to >> complete. >> >> Pip says this is not true? I also thought MPS GC runs concurrently in >> its own thread. > > What Pip said was very easy to misunderstand, to say the least :-). FWIW, I was mostly objecting to "the GC runs in its own thread": Currently, that's not always true, and not usually true, and assuming it is true when it wasn't has resulted in bugs we still have to fix. > No, MPS is concurrent, period. I plead No Contest. Pip