From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 20273 invoked by alias); 19 Dec 2016 09:58:57 -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 20253 invoked by uid 89); 19 Dec 2016 09:58:56 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.5 required=5.0 tests=AWL,BAYES_00,FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,SPF_PASS autolearn=ham version=3.3.2 spammy=Area, families, atzeri, Atzeri X-HELO: mail-qt0-f176.google.com Received: from mail-qt0-f176.google.com (HELO mail-qt0-f176.google.com) (209.85.216.176) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Mon, 19 Dec 2016 09:58:55 +0000 Received: by mail-qt0-f176.google.com with SMTP id n6so142264350qtd.1 for ; Mon, 19 Dec 2016 01:58:54 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to; bh=UDxFe33zjLE6+g35T4qkllUlPI0Oypsl3FdAf4GRUPg=; b=LiRnS6nV77H6k+aa04mZUx7B1t6qkRsmZQEMIoyJE0/uXfJqwBN8HXquP/rjCM7/7v /YfIPwzycRFVxr09GkPO224iaiXLBTOaxCHIuzdyxkLdf1tLenOudg1qIXQ2hUv4m93L 4kkiCj266iCBSoRdD9Bn4Tp9oDwceMzSxRf9csfNzy5BAB2ByILbSifhVgeXfVSk0kJN fRjF6DAV5tk+WShEid1p/eVjkACXR0Py4JqLfXb/PNMBzIXw3i1UT1QxXAmh2gDCmPRl gN5luczJCllrCzl0sAhEc3r9267uhT2O20o6/BGLTi78a19zwyOa52njwDKthj3FGOEw Q7hw== X-Gm-Message-State: AIkVDXKBFAZmLq3hsr9SeDCQhlKePvV1QwFBaUUyanzMROzw2GkGyRsLNCJpd4LAMMt0yw== X-Received: by 10.200.41.248 with SMTP id 53mr15607141qtt.3.1482141532990; Mon, 19 Dec 2016 01:58:52 -0800 (PST) Received: from [172.21.188.226] ([149.6.156.42]) by smtp.googlemail.com with ESMTPSA id s65sm10151229qtd.2.2016.12.19.01.58.51 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 19 Dec 2016 01:58:51 -0800 (PST) Subject: Re: OpenMPI Problem To: cygwin@cygwin.com References: From: Marco Atzeri Message-ID: <53c8b252-6e7c-bdbf-3712-a4aea3b0885d@gmail.com> Date: Mon, 19 Dec 2016 09:58:00 -0000 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/mixed; boundary="------------A4A1B6E05F055996286C3C88" X-IsSubscribed: yes X-SW-Source: 2016-12/txt/msg00192.txt.bz2 --------------A4A1B6E05F055996286C3C88 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-length: 1650 On 19/12/2016 07:58, Marco Atzeri wrote: > On 18/12/2016 15:55, Bahadır Öncel wrote: >> Hello all! >> I've installed cygwin and openmpi successfully. I can compile and run >> mpi programs. Twist is, even the openmpi test program hello_c.c approx >> takes a minute to run. When I try in my virtual machine (linux) the >> same program takes less than a second to run. >> I've found that other users asked the same question but did not find >> any solution. >> Thanks in advance. >> >> -- > > the most likely issue is a network interface timeout. > Try disabling WIFI network or VPN interface as test. > > Regards > Marco > Hi Bahadır, this is the normal behaviour of the hello_c run on my machine. $ time mpirun -n 2 ./hello_c.exe Hello, world, I am 0 of 2, (Open MPI v1.10.4, package: Open MPI , ident: 1.10.4, repo rev: v1.10.3-45-gaafbd34, Sep 01, 2016, 129) Hello, world, I am 1 of 2, (Open MPI v1.10.4, package: Open MPI , ident: 1.10.4, repo rev: v1.10.3-45-gaafbd34, Sep 01, 2016, 129) real 0m3.428s user 0m1.293s sys 0m2.930s The timing should be in the second range. 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