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References: <87k0514k3g.fsf@alternativebit.fr> <8735bgufy5.fsf@gmail.com> <20221026193732.GA6899@LionPure> <87mt9hjpwp.fsf@gmail.com> <20221031185630.GA3567@LionPure> Date: Tue, 01 Nov 2022 08:49:46 -0400 In-Reply-To: <20221031185630.GA3567@LionPure> (Bengt Richter's message of "Mon, 31 Oct 2022 20:02:50 +0100") Message-ID: <87tu3idel1.fsf@gmail.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Received-SPF: pass client-ip=2607:f8b0:4864:20::733; envelope-from=maxim.cournoyer@gmail.com; helo=mail-qk1-x733.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: guix-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Guix-devel" Errors-To: guix-devel-bounces+larch=yhetil.org+larch=yhetil.org@gnu.org X-Migadu-Flow: FLOW_IN X-Migadu-Country: US ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1667309029; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:in-reply-to:in-reply-to: references:references:list-id:list-help:list-unsubscribe: list-subscribe:list-post:dkim-signature; bh=mSR4ZzObTiUMth+k3JxLpahnF2PpB4h6Utl5p7oA6c8=; b=qmAAAX/TiO261886AAmyXpvbEePiJrZcTz+b8/GIWVQr/qwTLSOCXhcsxNRnA2FJ4CF/mo H1RAbMuwcssSxIZ3DQj75I7g/THFL8d9+a4U5hDI/lXMxTYUrAeASEcOFSUxuJ+/08iiTV rJ+FCf0BrPT1YQGVw4IbsFnMufKAAWscmPL3QiU8iH3RxxAnoD9sDtPoWBlxcXmo2LIIs0 oCNI0dTbcKU8QqCes8UW9utesUn6qnJ+U8iDf2cyJjCwhEt1bZLhcYd9gPKAGOaUtX2K4B +mbcX4Dr1VCirTEX3dPVfWo4Goz5bZKlTtrBwhrYI5i4Vx9Rq3ZPsDqXsUvYUw== ARC-Seal: i=1; s=key1; d=yhetil.org; t=1667309029; a=rsa-sha256; cv=none; b=S5LH5LDnutHN2+h0HdiKuWMJHuxcp2xyGOiHUwm0IBiw8kgo+P8o/nSckN1FY4WaCqYkpl 73hrmRj6lWds+c/Z7nXqcnYF//m1ED+WllRHfmfK5quqmL4/7V/ttCPH2ymQNKONo3iobG mJIqveCMGXBGYKtTu5XASHiU8C0s19lwbgXrS15DVu3afUBFP9A8zkCU0hBlJLcOUSfb5V 6qkHqxCCyshJcIeaLGk5D/EUu3jFCQTzcYbSDhOX0c3b7ODVrAk8BAydXuG/xCYfp/lBIm +xvv5BZLvmYpXPuLGIP8Y+MlBb7kfSeh2u4DkittDGOLRF4cmgdcWHp8sVts1Q== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=WWvOhhvM; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (aspmx1.migadu.com: domain of "guix-devel-bounces+larch=yhetil.org+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-devel-bounces+larch=yhetil.org+larch=yhetil.org@gnu.org" X-Migadu-Spam-Score: -1.47 Authentication-Results: aspmx1.migadu.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=WWvOhhvM; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (aspmx1.migadu.com: domain of "guix-devel-bounces+larch=yhetil.org+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-devel-bounces+larch=yhetil.org+larch=yhetil.org@gnu.org" X-Migadu-Queue-Id: 3CEED95B1 X-Spam-Score: -1.47 X-Migadu-Scanner: scn1.migadu.com X-TUID: fdf9zHzJaQKW Hi Bengt, Bengt Richter writes: [...] >> Building Rust is mostly CPU dependent; I think fast single thread >> performance is key as not that much happen in parallel, IIRC. The 3900X >> is a 12 cores (24 logical) beast. >> > > Hm, just TRAN sata, no nvme, so it's going to be slow, but > what is the effect on what you timed? > > Is there an easy way to get a measure of how many GB went > through those SATA channels during what you timed? That > would give an idea of what faster phusical disk memory > access would do for you. If many people are waiting longer > that they like, maybe they would chip in to fund an upgrade, > to feed that 12(24)-core "beast" :-) I really doubt it's IO bound, from experience building it multiple times. But I don't have precise data; if you are interested in learning more, I encourage you to run something like 'guix build --check --no-grafts rust' or 'guix build --check --no-grafts -e '(@@ (gnu packages rust) rust-1.55) on your machine monitor the load via atop or similar tools. -- Thanks, Maxim