From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by finch.gentoo.org (Postfix) with ESMTPS id 2799A138359 for ; Mon, 13 Jul 2020 16:10:14 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 16ABAE08B0; Mon, 13 Jul 2020 16:10:05 +0000 (UTC) Received: from mail-il1-x141.google.com (mail-il1-x141.google.com [IPv6:2607:f8b0:4864:20::141]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id BD51AE08A5 for ; Mon, 13 Jul 2020 16:10:04 +0000 (UTC) Received: by mail-il1-x141.google.com with SMTP id q3so11627239ilt.8 for ; Mon, 13 Jul 2020 09:10:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=message-id:subject:from:to:date:in-reply-to:references:user-agent :mime-version:content-transfer-encoding; bh=q0h7Z0doolvdCDuQ5Ov/HYQHkj2Rdpibd/l5GrHdrAk=; b=jGNNAHw0p1mi9Uip6ffsReiM4iwW1sR05GanQJmMV8yriVNJHuzp/R8+H1o4Ex22PJ YMPD4gbT5g8L36d1mtwtXR6KmJT1Ljj2aHQWwseAV3B3DLbifiWDvwXMWACG+G2ODL6I UEGBQeyrdsll6OHzQgIU215yE224mjaAyoHSQPG/HQE/MQrshC+iM5cFnaV5pxRvnqxG wd5FwvABh62gZJl36rEVWy+l7TaDcUbohWu8WAygmBT/dxTIVBFTbhau9V8hDWP04D4E fT/WzQJ6RDPmYO7GM2JBmorNOGFeEBL8Vxo7Rr/eu2iDA5UoUWl6/npGZce8C6BblgPX SwNg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:message-id:subject:from:to:date:in-reply-to :references:user-agent:mime-version:content-transfer-encoding; bh=q0h7Z0doolvdCDuQ5Ov/HYQHkj2Rdpibd/l5GrHdrAk=; b=g5Mk19rqsUOmJmzI5Pkt8V2IPokIw5zCEnXaj3rMc3N/c00+lh9VBWqSsVCh9Yaf8u 7/jNYhrJeGdcY04GqKBGlPKJrGyns5auF1Q/EjknkuhomAOmPldyirQS9TkOE2Y42+LE U39V6tCOyHkV2Q2pn4A0LO4/SGHI4P4v4aGNPDHSaf6ToO5KEh20wWwEvmdNlRB+SBO2 kcreke1ybNC9djFGs5elMpclg6yuZ6jixxfgqXo8EnaDKG19ZGHU582C//dzhOspvDhT Km2OEnKOBM2W0g0TKmZzVzXKJ5u5VgAvOcOngfzdNDBpTSANw9rFy2jsSD37kEWAHGRH lOZw== X-Gm-Message-State: AOAM531f+zlBqOg6FLas7FpFoVbcuKC4gesVvnmh5Roy90bCuf9/3ZXy X59g1CknRxwC9WOWp3GmW/Z2p6YN3pw= X-Google-Smtp-Source: ABdhPJwVqbIp5zbV04J4Mag/g2732RrVz7wadbiX6OeCTnV6CdUs1zRYe7RIaNVaWNV93PC51vyFDw== X-Received: by 2002:a92:a04e:: with SMTP id b14mr387261ilm.261.1594656603617; Mon, 13 Jul 2020 09:10:03 -0700 (PDT) Received: from [10.0.0.8] (cpe-174-97-153-17.wi.res.rr.com. [174.97.153.17]) by smtp.gmail.com with ESMTPSA id d6sm8672763ilq.27.2020.07.13.09.10.02 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 13 Jul 2020 09:10:02 -0700 (PDT) Message-ID: <536c8058fe8a42cfaf38ba600576dd92a90004eb.camel@gmail.com> Subject: Re: [gentoo-user] Re: Change MAKEOPTS on the fly? From: "Matt Connell (Gmail)" To: gentoo-user@lists.gentoo.org Date: Mon, 13 Jul 2020 11:10:01 -0500 In-Reply-To: References: <9621500b-9691-3def-7395-64d68085f5f6@iinet.net.au> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.36.3 Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Archives-Salt: c84ca6c5-59ba-44cc-90bb-658184d01182 X-Archives-Hash: 61eb2bc4788d94e17b4400309c7640cb On Sun, 2020-07-12 at 11:29 +0300, Nikos Chantziaras wrote: > Another thing I recommend is getting rid of "-j5". Use -j4. The "+1" > recommendation from decades ago does not apply anymore with modern Linux > kernels. You can test this yourself by emerging a smaller package that > takes like 2 minutes or so to emerge, and compare times with j4 and j5. > Most likely you will see no difference, other than j5 using more RAM. I can confirm this as well. On RAM-limited systems (like this laptop with 8 logical cores and only 8GB of memory...) I have to use "-j2" in order to keep the machine usable while compiling.