From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10854 invoked by alias); 18 Sep 2014 17:33:19 -0000 Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org Received: (qmail 10838 invoked by uid 89); 18 Sep 2014 17:33:18 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.8 required=5.0 tests=AWL,BAYES_00 autolearn=ham version=3.3.2 X-HELO: relay1.mentorg.com Received: from relay1.mentorg.com (HELO relay1.mentorg.com) (192.94.38.131) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Thu, 18 Sep 2014 17:33:17 +0000 Received: from nat-ies.mentorg.com ([192.94.31.2] helo=SVR-IES-FEM-02.mgc.mentorg.com) by relay1.mentorg.com with esmtp id 1XUfZx-0006z0-BM from Bernd_Schmidt@mentor.com ; Thu, 18 Sep 2014 10:33:13 -0700 Received: from [127.0.0.1] (137.202.0.76) by SVR-IES-FEM-02.mgc.mentorg.com (137.202.0.106) with Microsoft SMTP Server id 14.3.181.6; Thu, 18 Sep 2014 18:33:11 +0100 Message-ID: <541B1710.8060809@codesourcery.com> Date: Thu, 18 Sep 2014 17:33:00 -0000 From: Bernd Schmidt User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.8.0 MIME-Version: 1.0 To: Andrew MacLeod , Jakub Jelinek CC: gcc-patches Subject: Re: parallel check output changes? References: <541AD692.4030907@redhat.com> <20140918130109.GH17454@tucnak.redhat.com> <541AD880.7080703@redhat.com> <541AF451.3070406@redhat.com> In-Reply-To: <541AF451.3070406@redhat.com> Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit X-SW-Source: 2014-09/txt/msg01520.txt.bz2 On 09/18/2014 05:03 PM, Andrew MacLeod wrote: > On 09/18/2014 09:05 AM, Andrew MacLeod wrote: >> On 09/18/2014 09:01 AM, Jakub Jelinek wrote: >>> On Thu, Sep 18, 2014 at 08:56:50AM -0400, Andrew MacLeod wrote: >>>> Has the changes that have gone into the check parallelization made >>>> the .sum >>>> file non-deterministic? >>>> I'm seeing a lot of small hunks in different orders which cause my >>>> comparison scripts to show big differences. >>>> I haven't been paying attention to the nature of the make check >>>> changes so >>>> Im not sure if this is expected... >>>> >>>> Or is this something else? Its the same code base between runs, >>>> just with a >>>> few changes made to some include files. >>> I'm using contrib/test_summary and haven't seen any non-determinisms >>> in the >>> output of that command. As for dg-extract-results.sh, we have two >>> versions >>> of that, one if you have python 2.6 or newer, another one if you don't. >>> Perhaps the behavior of those two (I'm using the python version >>> probably) >>> differs? >>> >>> Jakub >> Not sure, although I do have python 2.7.5 installed for what its >> worth... I'll try another run in a bit. >> >> Andrew > > hum. My 3rd run (which has no compilation change from the 2nd one) is > different from both other runs :-P. I did tweak my -j parameter in > the make check, but that is it. I'm also seeing this. Python 3.3.5 here. Bernd