From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Christopher Dimech Newsgroups: gmane.emacs.devel Subject: Re: "Significant Garbage Collection Improvement For Emacs" - sweep_conses performance improved by 50%? Date: Sat, 29 Oct 2022 07:19:01 +0200 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="20789"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Emacs developers , tyler@tdodge.consulting To: Stefan Kangas Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sat Oct 29 07:20:17 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 1ooeGW-0005EK-UH for ged-emacs-devel@m.gmane-mx.org; Sat, 29 Oct 2022 07:20:16 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ooeFz-0001ze-Rx; Sat, 29 Oct 2022 01:19:44 -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 1ooeFT-0001kw-C6 for emacs-devel@gnu.org; Sat, 29 Oct 2022 01:19:12 -0400 Original-Received: from mout.gmx.net ([212.227.15.18]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ooeFR-0006Qa-Ex for emacs-devel@gnu.org; Sat, 29 Oct 2022 01:19:11 -0400 Original-Received: from [92.251.127.164] ([92.251.127.164]) by web-mail.gmx.net (3c-app-mailcom-bs08.server.lan [172.19.170.176]) (via HTTP); Sat, 29 Oct 2022 07:19:01 +0200 Importance: normal Sensitivity: Normal In-Reply-To: X-UI-Message-Type: mail X-Priority: 3 X-Provags-ID: V03:K1:WTubold3lMN6UsBZcAHRwp37LMZ9OsRC1bzPv63pXWNuLCCbhY2L26sOYq78p5bj5Tn/8 FhV/hEJwvrqZUcudtvzEM7Mbrf+mrFw+2HSv1mbM61FAH5UefjnPPATDo9oE8bmXe1KImWgMpeJV 6dNk6P3VC5pYWb1c1CSiGT4zBUf7XxslFM4KO0YjHVPN+GMAT/wEMKAa1G/O/LzUqMrw3gM7CVwU eMLBQl9mCJCNk/8GTsixGM4xZyVAgwmeGbokX2E28VxwZgw5OceIlsjijRj2LnN/q6rAe2Bli6S3 24= UI-OutboundReport: notjunk:1;M01:P0:AJCWKM831do=;arCJCTeG2aiBQsEqVsHwyWZ0GSs z8YGxxx5l2r9P/yAJfd4C3JG9LB8vEt9vpFBadjzNaqUYcNLvHJiAUJyqgTtfFhlcnKGMiuSO xZJk0jW1RdUd4grudYMg44kL8M4IEFqAoskJG+eGhWlq7yEdARvxYaGIpeOms/CU362R47Sr4 52ar6wQ4PPrd9EWBPIirQuklX7F5r8JFbK4725V8I30pL8/4CE9xnfpaoPacNaw3yflujLoGu e9XQr71RwGlLMs8qCNdtxwovvBe7nBJY5Fnf26DWTdel7sjuxgO0T9D98JY1Krxv6JWb76Tmk 2qrJdsTZx8nklJG2PQ8NJdY/MdCP/UxSSUSnyrf7t69gx8qqNRn3ST0y2zQo5aJiP+6obDfD9 zNIp2UZ/vKzozxHdX5cBV5msDluMWaIrkDPYjCaiZQ9MoUZ9d6g/RzpifIS5Nj1DAV25N+esg jKZje8lSJzXTJLAgijk35sadptTuW3/pGycsiQwFMjJKZOiRLRPartjW+BS4WGMxinu5+2ARy a2fpYdvvaDT3PUJx8OHy/T6oMOOv9XZVhc3oCARG9eanzdFkG5De3/6vV6YtGX8jZdLaOBWQC 9ZpQ+fYhWunUMY922307GDRf/k9bhg/VYJIasjvPp4e/CE/D81AGnq9Qff9T0FKviqyFnjR7G psx8wNHpTEQj/cwHQynscYny7uod3M6W0Cu6RCZfqJOHl21mW0oHWPVma8Li0SvCeAOoAQPg+ nXXUEJHB3+wSKVoC8H9MI2fu72Zvu22y3VIBKqbGWr78KAOluLZwF/9kxU4bahivjuzO++GX Received-SPF: pass client-ip=212.227.15.18; envelope-from=dimech@gmx.com; helo=mout.gmx.net X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 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: , Original-Sender: "Emacs-devel" Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:298711 Archived-At: > Sent: Saturday, October 29, 2022 at 5:07 PM > From: "Stefan Kangas" > To: "Emacs developers" > Cc: tyler@tdodge.consulting > Subject: "Significant Garbage Collection Improvement For Emacs" - sweep_conses performance improved by 50%? > > In this blog post > > https://tdodge.consulting/blog/living-the-emacs-garbage-collection-dream > > the author asserts that a one-line patch "reduces the total wall clock > duration for sweep conses execution by approximately 50%", at least in > one benchmark. There are some caveats; read the blog post for the > full story. > > The patch can be found here: > > https://github.com/tyler-dodge/emacs/commit/36d2a8d5a4f741ae99540e139fff2621bbacfbaa > > Is this a change we could/should realistically make in Emacs? I give my approval for it.