From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from esa2.mentor.iphmx.com (esa2.mentor.iphmx.com [68.232.141.98]) by sourceware.org (Postfix) with ESMTPS id 99C6F385841F for ; Thu, 24 Feb 2022 08:13:46 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 99C6F385841F Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=codesourcery.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=mentor.com X-IronPort-AV: E=Sophos;i="5.88,393,1635235200"; d="scan'208";a="72370819" Received: from orw-gwy-01-in.mentorg.com ([192.94.38.165]) by esa2.mentor.iphmx.com with ESMTP; 24 Feb 2022 00:13:23 -0800 IronPort-SDR: pjbs3HYCfnEgYHUdE6EvFFQmqPKRkdTFR+ejtSD7t43+qwaGj9LO8CmtWu1Pmeho+U63zvEFxK TjNFyEHSsjNUmWvBn3qCOOn22so/9HznI/9pcGoK6hy53HhJG84QWdXSOF7OM0oFjvcl2KNyVw X6erE4uCK3Rl34NrPSE1V2U1JNWV6WxAbMH/C6l2z06evxFxHSSqyQrRtNLibDFYPiU21CAZzB wXix0sbP1w7BE5U1JWV6TiorYzIRcvadbMHhc2lHxD2FdpBnxCOwoRH21rCRPw/fQq1bcK3UMW RhE= Message-ID: <45776b22-8587-597c-c2d1-93df2c8cfdbb@codesourcery.com> Date: Thu, 24 Feb 2022 09:13:18 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.6.1 Subject: Re: Problem setting buffer size for gfortran ( v 11.2) Content-Language: en-US To: "Bertini, Denis Dr." , Harald Anlauf CC: "fortran@gcc.gnu.org" References: <2916ad84-bfbe-757b-290e-61d9c5805367@gmx.de> <99fe8038e55242b1bc4e7792ff0d7777@gsi.de> From: Tobias Burnus In-Reply-To: Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: quoted-printable X-Originating-IP: [137.202.0.90] X-ClientProxiedBy: SVR-IES-MBX-08.mgc.mentorg.com (139.181.222.8) To svr-ies-mbx-01.mgc.mentorg.com (139.181.222.1) X-Spam-Status: No, score=-5.5 required=5.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, KAM_DMARC_STATUS, NICE_REPLY_A, RCVD_IN_MSPIKE_H2, SPF_HELO_PASS, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: fortran@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Fortran mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 24 Feb 2022 08:13:48 -0000 Hi, On 24.02.22 08:57, Bertini, Denis Dr. via Fortran wrote: > Additonnaly i ran interactively my test program without slurm on with jus= t one MPI process on I think you either use Open MPI or MPICH. Can you try setting the environme= nt variable when invoking MPI by adding the -x or -env (-envlist, ...) option like in: Open MPI mpirun -x GFORTRAN_UNFORMATTED_BUFFER_SIZE=3D1024000 ... cf. https://www.open-mpi.org/doc/v1.8/man1/mpirun.1.php or MPICH: mpiexec -env GFORTRAN_UNFORMATTED_BUFFER_SIZE 1024000 ... cf. https://www.mpich.org/static/docs/v3.1/www1/mpiexec.html See linked man pages for details and additional environment-related options= . Tobias ----------------- Siemens Electronic Design Automation GmbH; Anschrift: Arnulfstra=C3=9Fe 201= , 80634 M=C3=BCnchen; Gesellschaft mit beschr=C3=A4nkter Haftung; Gesch=C3= =A4ftsf=C3=BChrer: Thomas Heurung, Frank Th=C3=BCrauf; Sitz der Gesellschaf= t: M=C3=BCnchen; Registergericht M=C3=BCnchen, HRB 106955