From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 11907 invoked by alias); 21 Oct 2014 05:48:26 -0000 Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Received: (qmail 11894 invoked by uid 89); 21 Oct 2014 05:48:25 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.6 required=5.0 tests=AWL,BAYES_00,FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,SPF_PASS autolearn=ham version=3.3.2 X-HELO: mail-la0-f41.google.com Received: from mail-la0-f41.google.com (HELO mail-la0-f41.google.com) (209.85.215.41) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES128-SHA encrypted) ESMTPS; Tue, 21 Oct 2014 05:48:24 +0000 Received: by mail-la0-f41.google.com with SMTP id pn19so373839lab.14 for ; Mon, 20 Oct 2014 22:48:20 -0700 (PDT) X-Received: by 10.112.234.201 with SMTP id ug9mr32499635lbc.14.1413870499976; Mon, 20 Oct 2014 22:48:19 -0700 (PDT) Received: from [192.168.2.108] (p5B2997C8.dip0.t-ipconnect.de. [91.41.151.200]) by mx.google.com with ESMTPSA id m1sm4083771lbt.22.2014.10.20.22.48.18 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 20 Oct 2014 22:48:19 -0700 (PDT) Message-ID: <5445F384.705@gmail.com> Date: Tue, 21 Oct 2014 05:48:00 -0000 From: Marco Atzeri User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.2.0 MIME-Version: 1.0 To: cygwin@cygwin.com Subject: Re: Tester for openblas needed References: <54450C0A.6050705@gmail.com> <54451D4C.5080604@gmail.com> <54458524.8010603@gmail.com> In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-IsSubscribed: yes X-SW-Source: 2014-10/txt/msg00299.txt.bz2 On 10/21/2014 1:33 AM, Tony Kelman wrote: >> openblas is written in C > > More assembly than C according to github's count. I'm used to building > the full version of openblas including their optimized implementations > of lapack routines, which bring in libgfortran. So nevermind. I avoided to include lapack as for compatibility I will need to split exactly as netlib in cygblas-0.dll cyglapack-0.dll something for the future. >> USE_THREAD=1 and USE_OPENMP=1, can be used dynamically ; >> if I am not wrong. > > What does your Makefile.conf say for NUM_CORES? I can't seem to get a > test program with your build to use more than 2 cores (I have 4 + HT) > by setting the OPENBLAS_NUM_THREADS environment variable. NUM_CORES=2 I will ask on the OpenBlas mailing list > -Tony Regards Marco -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple