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: MPS: weak hash tables Date: Sat, 06 Jul 2024 15:30:40 +0300 Message-ID: <864j924s9b.fsf@gnu.org> References: <-plQctKgNkvp-LJ9ov2QAiXQKxd9V-hI0yz_opRGxQtbknubCjH4rH2-ymgbw_Qr1ZhB1rtlmiEW8XtuIVNr7nR_Yj20AH6WkH6kUGp68g0=@protonmail.com> <_mNcR6ailVKpYHLxgfo_tJlYGeR0AQIzQWluspYYp5_g5pIIKkHLNfFkklQQgOKNiVW8jn8NS3i2dJ7_B2Qyx9v-Dq3MQ9mP8HNL30UWsqY=@protonmail.com> <878qyf4sgm.fsf@gmail.com> <878qye3l81.fsf@gmail.com> <86a5iu4tiy.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="31191"; mail-complaints-to="usenet@ciao.gmane.io" Cc: eller.helmut@gmail.com, pipcet@protonmail.com, emacs-devel@gnu.org To: Gerd =?utf-8?Q?M=C3=B6llmann?= Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sat Jul 06 14:31:54 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 1sQ4a2-0007oF-5M for ged-emacs-devel@m.gmane-mx.org; Sat, 06 Jul 2024 14:31:54 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sQ4ZX-00031K-AN; Sat, 06 Jul 2024 08:31:23 -0400 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 1sQ4ZM-0002xp-B8 for emacs-devel@gnu.org; Sat, 06 Jul 2024 08:31:17 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sQ4ZK-00051Y-EY; Sat, 06 Jul 2024 08:31:12 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-version:References:Subject:In-Reply-To:To:From: Date; bh=Y/L/vQ/zlMEqnTqrg7QQOk0fhu/S1z1VG2ZBX3feQ5g=; b=B1QsJiL/W1SmUg1a9EEe Ugys29Yo7k/XbonMZLoGJ6yfMPpe6Zc66Mox/tEuOcOLrMGdC2WJ9zQV7WK2SbQJIA1ZkEFrJnNrG 7tvPZgCTUNTdlfENqjaCBf+BEF0DsCM3jocG9YEdYjbZpr+0ZIr91rTr3knqq/gUT9gl+BKy7ku8K qtQNo19rEDdvXa6U5KvVAAmKbYZxSSvx/D4hq83oJCtLebsYzVrNbvFFGWulN969glnl6zlFicCUq O1RtBIV3r2SQ9ntuVS8iSVoAmVUheyHXzhxZL++05aWaLEHUJDhyt3R3MHZbD9JVZgxEa0PALKy9A m3rhkAR70ajufA==; In-Reply-To: (message from Gerd =?utf-8?Q?M=C3=B6llmann?= on Sat, 06 Jul 2024 14:16:55 +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-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:321429 Archived-At: > From: Gerd Möllmann > Cc: eller.helmut@gmail.com, pipcet@protonmail.com, emacs-devel@gnu.org > Date: Sat, 06 Jul 2024 14:16:55 +0200 > > Eli Zaretskii writes: > > >> Which poses the question where can we put that igc_process_messages, so > >> that it doesn't get too expensive (if it is), but is regularly enough > >> called even if not idle. > >> > >> Maybe_quit, maybe_gc, specbind? Any other ideas? > > > > maybe_gc, I'd say. But the conditions for actually calling GC will > > have to change, of course. > > Or another idea: > > We allocate bignums in igc. Every N bignum allocations, take some time to > process messages and thus finalize them. I have no idea what a good N > would be thpugh. We could try with 1000 and 0.1s, maybe. > > This also assumes that only bignums are allocated frequently plus must > be finalized. Don't know if that's true. maybe_gc is already called from places which tend to allocate Lisp objects, so I'd go with that.