From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp1 ([2001:41d0:8:6d80::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms0.migadu.com with LMTPS id fBIIM0ITj2CDDwAAgWs5BA (envelope-from ) for ; Sun, 02 May 2021 23:01:54 +0200 Received: from aspmx1.migadu.com ([2001:41d0:8:6d80::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp1 with LMTPS id 8Fr6LUITj2AgYQAAbx9fmQ (envelope-from ) for ; Sun, 02 May 2021 21:01:54 +0000 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by aspmx1.migadu.com (Postfix) with ESMTPS id 299F815CB4 for ; Sun, 2 May 2021 23:01:54 +0200 (CEST) Received: from localhost ([::1]:54284 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ldJDs-0001vu-Cf for larch@yhetil.org; Sun, 02 May 2021 17:01:52 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:47756) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ldJDf-0001vk-NI for help-guix@gnu.org; Sun, 02 May 2021 17:01:40 -0400 Received: from wout2-smtp.messagingengine.com ([64.147.123.25]:40583) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ldJDa-0000NJ-2o for help-guix@gnu.org; Sun, 02 May 2021 17:01:36 -0400 Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.west.internal (Postfix) with ESMTP id 41D6B1529; Sun, 2 May 2021 17:01:32 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute1.internal (MEProxy); Sun, 02 May 2021 17:01:32 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=famulari.name; h=date:from:to:subject:message-id:references:mime-version :content-type:in-reply-to; s=mesmtp; bh=nOkZZuK9jyH2DC++uUJ7U6NP MKPjwvUkQnn1+cbfaQA=; b=bX+csvicuzGvGJQjhqPo4c4u1h+zGD4AFa0hr7aR GlvJJev/cye1Anhk8nROYG8X4//KMeTcvNOBz8KS/fDxeEdlOua8oHFJ5te7Mvf5 aEnJl+T5hfOBDloFNrkLO159SHQom0p8RtbZhYS4cWwYDmB2sX8ah7uTzPCPLFtx KnI= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm2; bh=nOkZZu K9jyH2DC++uUJ7U6NPMKPjwvUkQnn1+cbfaQA=; b=N2SBleuivWnGfgrF3CBJLG 5juORnYcD3UKYGtVAmLyvi598q/M5rmHFjgTubIA/w2WDqaMZ35oZ3KkhZhSX7VQ lYNKJ8hqeB3vIAkmx0r/5sFzsd/ZflX3Ob1kWfNSI4ixNDFA/oGOBYrWemgqs2hS MKXNWj10ytKAOWtMAU0vGyRTJn/0zaCYaKwzEDLnc953Jq5IiIKZjzePvUfvGFhK vcC99MCTFXO08wUIahgxktdqkHvZ3ijlTupea/wdlPFeB96mCFElQaps64BJb+QX kAAk69sd8fAIKWf5A1k1uNi1LOOjyUBk0vxlr+MQA0DQKcdyhoQJWb/1pPNXdBlQ == X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduledrvdefvddgieefucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpeffhffvuffkfhggtggujgesthdtre dttddtvdenucfhrhhomhepnfgvohcuhfgrmhhulhgrrhhiuceolhgvohesfhgrmhhulhgr rhhirdhnrghmvgeqnecuggftrfgrthhtvghrnhepueekkedtffdvtddugeejgedtvefhue efiedvjeeitdeigedtveejvdejheffvefgnecukfhppeduiedvrddvudejrdeffedruddu vdenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpehlvg hosehfrghmuhhlrghrihdrnhgrmhgv X-ME-Proxy: Received: from localhost (d-162-217-33-112.ct.cpe.atlanticbb.net [162.217.33.112]) by mail.messagingengine.com (Postfix) with ESMTPA; Sun, 2 May 2021 17:01:31 -0400 (EDT) Date: Sun, 2 May 2021 17:01:29 -0400 From: Leo Famulari To: Mark H Weaver , help-guix@gnu.org Subject: Re: What processor features does Guix support on i686? Message-ID: References: <87y2cxptki.fsf@netris.org> <87a6pd5b1u.fsf@dismail.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87a6pd5b1u.fsf@dismail.de> Received-SPF: pass client-ip=64.147.123.25; envelope-from=leo@famulari.name; helo=wout2-smtp.messagingengine.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: help-guix@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-guix-bounces+larch=yhetil.org@gnu.org Sender: "Help-Guix" X-Migadu-Flow: FLOW_IN ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1619989314; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to: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=nOkZZuK9jyH2DC++uUJ7U6NPMKPjwvUkQnn1+cbfaQA=; b=FKhNtrX7IYO0O0d+2ffKUiFDNUPOG5qfbY162rZ7BztWGcBOMtvaT5rqc4AdjArHBB4VJz E9OPZxFR2BNMumoCzCVxFJyTzrBMSz02kaa9KYN6FhqLDkfSjQydHiSsEr49W+LZBhdKkc qHaLiidwFOCOCBosisDOW35b1Sq8/qNW/qqovPDxzUGxQlRCoeNNVJh35RK0i2xhar7phA ymGJYWUNm1BKJTvnFbslk+PL2zYYYg4WfgtSzvbEMI+gYq6okmjQaVGgdv33C5ShXx/7NB L3JeFwoXG3HqHaQ6yKoy1ErD4+qZKT97f99E8tnqwQk7u26k94tkgjup1+0+6Q== ARC-Seal: i=1; s=key1; d=yhetil.org; t=1619989314; a=rsa-sha256; cv=none; b=EcquGjXvTiElQlEJ5HuIVqY/nQokNUiPekZ252h7E+hOA+YNpqG2lZFgD3jSiBOVC2NUdo ogEuqQh7TCgNhovuqfJ7rk2XG+5YXu2xZJNh2BzGv3lebBM8uDqrM3UhMum6l49ZHY8/9V CRDLI+rJ5jvhsr0h+L2NmUoESH3h5Ja9cIx6tP6lCEZoQy/dG4u2+IGTIDhQAh8fmny30Q o6iQKtxfvft3lnt0MP9hLMf/Rc44o1+q+uDDk4oFqtCldH9VwDCIYDYsn2Tt2qwluNGJ2z xa9evzlbC3iA/3C7dZF95Q1L/NoS0+XoxBSdOEjNv5R4QiSQAJymUhpT3FoLNA== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=pass header.d=famulari.name header.s=mesmtp header.b=bX+csvic; dkim=pass header.d=messagingengine.com header.s=fm2 header.b=N2SBleui; dmarc=none; spf=pass (aspmx1.migadu.com: domain of help-guix-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=help-guix-bounces@gnu.org X-Migadu-Spam-Score: -1.66 Authentication-Results: aspmx1.migadu.com; dkim=pass header.d=famulari.name header.s=mesmtp header.b=bX+csvic; dkim=pass header.d=messagingengine.com header.s=fm2 header.b=N2SBleui; dmarc=none; spf=pass (aspmx1.migadu.com: domain of help-guix-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=help-guix-bounces@gnu.org X-Migadu-Queue-Id: 299F815CB4 X-Spam-Score: -1.66 X-Migadu-Scanner: scn0.migadu.com X-TUID: Z+UlZst5L7fQ On Sun, May 02, 2021 at 12:56:45PM -0400, Joshua Branson wrote: > I'm kind of curious, if I were to compile my own linux kernel, and I > could someone select a newer processor family, would that make my kernel > a little more faster? Or would it just make my kernel image a little > smaller? Also my laptop is a Lenovo T400. So it doesn't exactly have > NEW features. :) Just to clarify, these kernel configuration options are for when one builds the kernel for "i686-linux" (Guix parlance) or "i386" (Linux parlance). This means 32-bit Intel-compatible. The T400 has a Core 2 Duo 64-bit procesor, so these options won't apply for you. That's "x86_64-linux" or "amd64", respectively. However, yes, you can build a custom kernel to eke out some performance improvements.