From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) by finch.gentoo.org (Postfix) with ESMTP id CEC0B138A1A for ; Fri, 30 Jan 2015 07:05:37 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id A3065E0835; Fri, 30 Jan 2015 07:05:35 +0000 (UTC) Received: from smtp.gentoo.org (smtp.gentoo.org [140.211.166.183]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 243C0E0833 for ; Fri, 30 Jan 2015 07:05:34 +0000 (UTC) Received: from [192.168.0.12] (ip174-67-205-96.oc.oc.cox.net [174.67.205.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: zmedico) by smtp.gentoo.org (Postfix) with ESMTPSA id D694634073C for ; Fri, 30 Jan 2015 07:05:33 +0000 (UTC) Message-ID: <54CB2D3B.7050202@gentoo.org> Date: Thu, 29 Jan 2015 23:05:31 -0800 From: Zac Medico User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.3.0 Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-portage-dev@lists.gentoo.org Reply-to: gentoo-portage-dev@lists.gentoo.org MIME-Version: 1.0 To: gentoo-portage-dev@lists.gentoo.org Subject: Re: [gentoo-portage-dev] [PATCH v2] Default MAKEOPTS to -j(ncpus+1) when unset References: <54BB3B0B.5020006@gentoo.org> <1421577518-6167-1-git-send-email-mgorny@gentoo.org> <20150118085824.68ae1abc.dolsen@gentoo.org> <54C9A3A5.9090308@gentoo.org> In-Reply-To: <54C9A3A5.9090308@gentoo.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Archives-Salt: 240bcf9d-c456-4fca-8e54-700886f5c179 X-Archives-Hash: 8a9f395857009f7f45469c630df986fd On 01/28/2015 07:06 PM, Rick "Zero_Chaos" Farina wrote: > On 01/18/2015 11:58 AM, Brian Dolbec wrote: >> On Sun, 18 Jan 2015 11:38:38 +0100 >> Michał Górny wrote: >> >>> Default MAKEOPTS job number to (number of CPUs + 1) when it is not >>> provided in the ebuild environment. >>> >>> Suggested-By: Daniel Robbins >>> --- >>> pym/portage/package/ebuild/doebuild.py | 8 +++++++- >>> pym/portage/util/cpuinfo.py | 18 ++++++++++++++++++ >>> 2 files changed, 25 insertions(+), 1 deletion(-) >>> create mode 100644 pym/portage/util/cpuinfo.py >>> >> >> >> looks good, merge please >> > I realize I'm a little bit late here, but after extensive testing with > multiple different schedulers that NUMCPU provides equivalent > performance, or even outperforms NUMCPU+1. I think that changes from 1 > cpu to NUMCPU is good enough, and we don't need to test thrashing the > scheduler. Yeah, that's what I was thinking when the patch was submitted, but I forgot to mention it. -- Thanks, Zac