From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga01.intel.com ([192.55.52.88]) by linuxtogo.org with esmtp (Exim 4.72) (envelope-from ) id 1SFBQ8-00040m-Jh for openembedded-core@lists.openembedded.org; Tue, 03 Apr 2012 23:37:44 +0200 Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga101.fm.intel.com with ESMTP; 03 Apr 2012 14:28:17 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.71,315,1320652800"; d="scan'208";a="149298911" Received: from unknown (HELO [10.255.12.141]) ([10.255.12.141]) by fmsmga002.fm.intel.com with ESMTP; 03 Apr 2012 14:28:17 -0700 Message-ID: <4F7B6B71.6000404@linux.intel.com> Date: Tue, 03 Apr 2012 14:28:17 -0700 From: Saul Wold User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0.1) Gecko/20120216 Thunderbird/10.0.1 MIME-Version: 1.0 To: Patches and discussions about the oe-core layer References: In-Reply-To: Subject: Re: [PATCH] Suggested threads should be double the number of cores. X-BeenThere: openembedded-core@lists.openembedded.org X-Mailman-Version: 2.1.11 Precedence: list Reply-To: Patches and discussions about the oe-core layer List-Id: Patches and discussions about the oe-core layer List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 03 Apr 2012 21:37:44 -0000 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit On 03/23/2012 02:37 AM, Robert P. J. Day wrote: > > Documentation suggests that the number of threads should actually be > *double* the number of cores. > A better clarification with be to mention threading since a quad-core with hyperthreading enabled would be have 8 virtual cores. Sau! > Signed-off-by: Robert P. J. Day > > --- > > the yocto docs i've seen do suggest that the suggested number is > double the number of cores, unless that's wrong. > > > diff --git a/meta/conf/local.conf.sample b/meta/conf/local.conf.sample > index 5679c03..505ec67 100644 > --- a/meta/conf/local.conf.sample > +++ b/meta/conf/local.conf.sample > @@ -24,7 +24,7 @@ > # > #PARALLEL_MAKE = "-j 4" > # > -# For a quad-core machine, BB_NUMBER_THREADS = "4", PARALLEL_MAKE = "-j 4" would > +# For a quad-core machine, BB_NUMBER_THREADS = "8", PARALLEL_MAKE = "-j 8" would > # be appropriate for example. > > # > > rday >