From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([208.92.234.80] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1MAPF5-0007fU-Kt for garchives@archives.gentoo.org; Sat, 30 May 2009 14:08:59 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 49FA5E02F1; Sat, 30 May 2009 14:08:57 +0000 (UTC) Received: from mail-gx0-f176.google.com (mail-gx0-f176.google.com [209.85.217.176]) by pigeon.gentoo.org (Postfix) with ESMTP id 2EBCDE02F1 for ; Sat, 30 May 2009 14:08:57 +0000 (UTC) Received: by gxk24 with SMTP id 24so23148709gxk.10 for ; Sat, 30 May 2009 07:08:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:content-type :content-transfer-encoding; bh=ntsR47wgqFTZeNRkKR6ecsR/KPW+y2/lVkT4HcrRZj0=; b=STCpd5ROkzD4YO8fzn9wYmrONOrVk4rAqvte0lJaoyt93KkNGvC9CC7Jw3KheMrQxS 2dlLDMqobgbbLOj79wU5EPpgFG9kzMyi31FHTgtKrqnURvFZx9dxjNKEL1zFYqfKBdkh c5CMMN6kgjeVlNAM2o64aL+KTnG1W2LtpLumA= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; b=wS9MboGqy5Tqtz7RRflHnEesVc7nRb6ChgllOQDVYDWR65kSAo2TRq95cKFITzP8Xu 8re85AKDqPtHKP4OUmfbqX3Y1pzFlB1LmSdwUbGr/jEr0OHXpDwMRo/dOCgL/ese5lsN nTOooWT/iet9HjphdwOlTBhRJMuA0zNIr4oPU= 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 MIME-Version: 1.0 Received: by 10.90.100.11 with SMTP id x11mr3166368agb.72.1243692535177; Sat, 30 May 2009 07:08:55 -0700 (PDT) In-Reply-To: <4A211F87.5040607@f_philipp.fastmail.net> References: <49bf44f10905291724q740c73caw7fe6623c06377102@mail.gmail.com> <4A211F87.5040607@f_philipp.fastmail.net> Date: Sat, 30 May 2009 07:08:55 -0700 Message-ID: <49bf44f10905300708g383cf8e7lbc679a837d5350b3@mail.gmail.com> Subject: Re: [gentoo-user] Optimizations for SSD netbook From: Grant To: gentoo-user@lists.gentoo.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Archives-Salt: fb93dd07-d022-482d-9770-95b3c5487ddc X-Archives-Hash: 17a09857103e5a1fa8fdc5f19ee2fdb5 >> My girlfriend is at her wit's end with her SSD netbook and is now >> hogging my laptop. =A0Her netbook has 1GB RAM that could be upgraded to >> 1.5GB, but I've read that it's a pain. =A0It already runs xfce4, and >> I've just made these optimizations based on past discussions: >> >> 1. CFLAGS=3D"-march=3Dprescott -0s -pipe -fomit-frame-pointer -ssse3" >> 2. added elevator=3Dnoop as a boot parameter > > I remember that I've given this second advice. Since then I've read in > the German computer journal c't [1] that CFQ has a detection for SSDs > since 2.6.28 and now is the best choice for these devices. OK, do I need a boot parameter if I've set CFQ as the default IO scheduler in the kernel config? >> 3. disabled DRI to save 32MB RAM >> 4. removed the swap partition from /etc/fstab >> >> Am I missing anything significant? =A0I've read that it's good to set up >> /tmp in RAM. =A0How can I do that? In /etc/fstab I have: >> >> shm /dev/shm tmpfs nodev,nosuid,noexec >> >> Is that related? >> > > Yup, the entry should read: > tmp /tmp tmpfs default 0 0 Do you think mounting /tmp in RAM is worthwhile? Mike doesn't seem to think too highly of it. > The first entry is just a name. You can name it in every way you want it. > > For further tweaks: Do you use Firefox? I've read that it uses fsync() > when writing to its sqlite backend. This is a really good thing because > it reduces the risk of loosing data but you might (and can) disable this > to increase performance and reduce wear. I don't have a link at hand but > it shouldn't be to hard to find. There is some interesting info on disabling fsync here: http://www.flamingspork.com/projects/libeatmydata/ Sounds kinda dangerous. :) - Grant