From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: =?utf-8?Q?Gerd_M=C3=B6llmann?= Newsgroups: gmane.emacs.devel Subject: Re: MPS experiment successful Date: Thu, 18 Apr 2024 06:31:02 +0200 Message-ID: References: <86le5cgmp3.fsf@gnu.org> 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="3629"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: Eli Zaretskii , emacs-devel@gnu.org To: Dmitry Gutov Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Thu Apr 18 06:31:29 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 1rxJQn-0000jt-41 for ged-emacs-devel@m.gmane-mx.org; Thu, 18 Apr 2024 06:31:29 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rxJQU-0002Qq-GH; Thu, 18 Apr 2024 00:31:10 -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 1rxJQT-0002P4-8E for emacs-devel@gnu.org; Thu, 18 Apr 2024 00:31:09 -0400 Original-Received: from mail-wr1-x435.google.com ([2a00:1450:4864:20::435]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1rxJQQ-000567-QJ; Thu, 18 Apr 2024 00:31:08 -0400 Original-Received: by mail-wr1-x435.google.com with SMTP id ffacd0b85a97d-346b09d474dso350970f8f.2; Wed, 17 Apr 2024 21:31:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1713414665; x=1714019465; darn=gnu.org; h=content-transfer-encoding:mime-version:user-agent:message-id:date :references:in-reply-to:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=dNy5Ro6b4bdzw419mrvr2TYb/FF9ZlQ3Q+aMoBCJthk=; b=bEZ209Dkxq7tu99fKT+zeBR0/7X30pR1BLAkp6uoY9/p4P4qwc7oApAYDeqRtlqszo QgBJGQwkKYjy/8XkPz65ZfxAxsmyO8lwZHAN9Hgg4b2Z5yaX1DOATS/RxvWxMawEYQv0 Yk+0aZFWwW8Iqb7pwOLo0MHPX6Gcbo2TK0pYH6mBpC9IE1m38SofhDb+HgIDdW5MTXAj cqAGycb2nJAmQ0npVXaNlIW/ssJbl0uyPC7Z6ECdOGyVeXSXi9sWgKHBFOTSnZrxUw4N JE1HgUJxRSU0kYRKR7uIFYrLjOFcBhJoWAqFIrO2ROF3ZUGTtx4MT+27unlD97AwfnbX kz7A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1713414665; x=1714019465; h=content-transfer-encoding:mime-version:user-agent:message-id:date :references:in-reply-to:subject:cc:to:from:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=dNy5Ro6b4bdzw419mrvr2TYb/FF9ZlQ3Q+aMoBCJthk=; b=WToajnW98/zlBnL0jGbwcVb7V9ocnnaUs1u8yvo6xE9FMmQRSMyYFNyDO9jp0xfQxI rjMaTO7j7m53RDFNADHOkDFI6PZapZECeb5T5rCTQne+zxYyH51yuLmEVrFir6lYJ+dO rvJ+tK7a8jIQYivj49NCoQSf3BdI6q45ckryN+NtSjwRQfLbZS0Kf2wW4PGK0FDyQBpb /wy6PhYNVRnVxF3Y1JlYKxltu1U1g+vsl+qA2mWSZIuEGqYOfV6eY7VXQnh4iChNaWDJ R0hcd+r+GwxqFYKVv9xxbN7HFs9Nlq0+RBlfBVNSdU5eEbPVJOSYw7/IYnFxjXhnxUZF M7fA== X-Forwarded-Encrypted: i=1; AJvYcCX88q2fH4WeEd+IAoFbJuudxu1718P3SG9W7Erqbz4PO6eT2A0J0+jALr/lMQ4QHgAndMzZEGBpZm2i/maOYczswxE/ X-Gm-Message-State: AOJu0YytRW3GWI6QQ+ODMJm5ZRLNrbiFAoFRzbtUD2iw6FkgVl0DfqOg ZgHHIggDm1ZqJ2q43xPD2BjyHRT0F1HXbTu8hgaKyTxhZGAvoh4EYx1fAD4P X-Google-Smtp-Source: AGHT+IE21oUAxZY0VdVcv0cbsFlzpoTbV/L67M0d7N28l7PxDsgqHgIHFcZ7dOHXQ5yyzukNKEICjw== X-Received: by 2002:adf:fb8f:0:b0:341:865b:65c9 with SMTP id a15-20020adffb8f000000b00341865b65c9mr857294wrr.22.1713414664671; Wed, 17 Apr 2024 21:31:04 -0700 (PDT) Original-Received: from Pro.fritz.box (p4fe3aa81.dip0.t-ipconnect.de. [79.227.170.129]) by smtp.gmail.com with ESMTPSA id q10-20020adff78a000000b00349bf6bf2c8sm744696wrp.28.2024.04.17.21.31.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Apr 2024 21:31:04 -0700 (PDT) In-Reply-To: (Dmitry Gutov's message of "Thu, 18 Apr 2024 02:48:00 +0300") Received-SPF: pass client-ip=2a00:1450:4864:20::435; envelope-from=gerd.moellmann@gmail.com; helo=mail-wr1-x435.google.com 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_DNSWL_NONE=-0.0001, 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: , 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:317792 Archived-At: Dmitry Gutov writes: > On 17/04/2024 17:30, Gerd M=C3=B6llmann 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. Or it's a fluke of some kind I'm too dumb to understand. (Trying to damp expectations a bit :-)).