From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Dmitry Gutov Newsgroups: gmane.emacs.devel Subject: Re: MPS experiment successful Date: Thu, 18 Apr 2024 02:48:00 +0300 Message-ID: References: <86le5cgmp3.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="4676"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mozilla Thunderbird Cc: emacs-devel@gnu.org To: =?UTF-8?Q?Gerd_M=C3=B6llmann?= , Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Thu Apr 18 01:48:36 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 1rxF11-00011C-IH for ged-emacs-devel@m.gmane-mx.org; Thu, 18 Apr 2024 01:48:36 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rxF0c-0001da-Hr; Wed, 17 Apr 2024 19:48:10 -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 1rxF0a-0001dA-L8 for emacs-devel@gnu.org; Wed, 17 Apr 2024 19:48:08 -0400 Original-Received: from wfout8-smtp.messagingengine.com ([64.147.123.151]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rxF0Y-00048l-VN; Wed, 17 Apr 2024 19:48:08 -0400 Original-Received: from compute7.internal (compute7.nyi.internal [10.202.2.48]) by mailfout.west.internal (Postfix) with ESMTP id B926C1C0018B; Wed, 17 Apr 2024 19:48:04 -0400 (EDT) Original-Received: from mailfrontend1 ([10.202.2.162]) by compute7.internal (MEProxy); Wed, 17 Apr 2024 19:48:05 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gutov.dev; h=cc :cc:content-transfer-encoding:content-type:content-type:date :date:from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:subject:subject:to:to; s=fm1; t=1713397684; x=1713484084; bh=xV0nv1SmarH3HRoMZaECE0QzpfOSNtGapkarnkghILE=; b= j6yGFzNrrl+meP03LweLiDys+uF88i5Geup2p6qY8QAt+Yk3T4gjZ83nl/E2EPUC Ds1XTpOWDjsWnsdBYIdz0W3Pff5wSdLgj2G/rjSLoB3qfPwz7+miB99VyI4aQyWP f5QdS0F7QzURrrgUpRNkrdkWHpkQ3Zet+HcQSTB6BOE9vOGAs/BwFqfYyEHIIlx6 g+Je4fLgdO2aLBB5UIuHG189MTHSv4OXGrRHgHCwJSA1Dhj4alqdAGeMKv0KpHvd BTK3yaR5Z4V4eioZ4fwVDO+kUzm5t+OJh8gG/L11iMfbGIcjzxEExEMSxtau5Gde KC7xplBND9IC0YZBPxUUyQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding :content-type:content-type:date:date:feedback-id:feedback-id :from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:subject:subject:to:to:x-me-proxy:x-me-proxy :x-me-sender:x-me-sender:x-sasl-enc; s=fm3; t=1713397684; x= 1713484084; bh=xV0nv1SmarH3HRoMZaECE0QzpfOSNtGapkarnkghILE=; b=S ElZ+CLwbnhSbZtrS0nyWmkNptw9u33jeNsV46iL7VTck1UPL3uHOpBUUr0jn+C9P lgGH7IUq0W06EbsGCsrqK13vh+/Or24R43KYmb/NAfnEQHNl0vO14wPXypPepl3g iKEguFCXEgFh7WNyNqeWw3aVehZVuT4VNZUBTGbx3rxUXIS3Lr7eM4nbSodfXZcO oN0C/NTZv3FTbwZXORk1Q4IwqV7yCp81ZjNIR7X5W3XFFBCgKrxiVoeZhWevc92u H4GzhjWMjkEKHXh/8dptqsUvDzSq+8Wkh7VvF53JnqNSspmzOKrdTCPhGf5Un8YN 9/YL/m8dIgN7pnNYz82Dg== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvledrudejledgvdeiucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhepkfffgggfuffvvehfhfgjtgfgsehtkeertddtvdejnecuhfhrohhmpeffmhhi thhrhicuifhuthhovhcuoegumhhithhrhiesghhuthhovhdruggvvheqnecuggftrfgrth htvghrnhepgeelfeetkefghfdvhfdtgeevveevteetgeetveegtedthefhudekteehffeu keeknecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomhepug hmihhtrhihsehguhhtohhvrdguvghv X-ME-Proxy: Feedback-ID: i0e71465a:Fastmail Original-Received: by mail.messagingengine.com (Postfix) with ESMTPA; Wed, 17 Apr 2024 19:48:02 -0400 (EDT) Content-Language: en-US In-Reply-To: Received-SPF: pass client-ip=64.147.123.151; envelope-from=dmitry@gutov.dev; helo=wfout8-smtp.messagingengine.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 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, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_SBL_A=0.1 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: , 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:317788 Archived-At: On 17/04/2024 17:30, Gerd Möllmann wrote: > What MPS means for the overall speed of Emacs I find impossible to say. > MPS doesn't seem to be slow at all though, although some slowdown can be > expected in the client because of thread-safe allocations. > > Example for a confusing fact that I noticed today: > > Full build without MPS, -O0, checking > > real 26:20.01 > user 1:32:15.54 > sys 3:20.74 > > Same build with debug MPS (-lmps-debug) > > real 14:07.90 > user 44:17.94 > sys 3:15.99 That sounds pretty great, though. One might have worried that a new GC would help exchange better (lower) latencies for lower throughput, but that doesn't seem to be the case.