From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lxmtout1.gsi.de (lxmtout1.gsi.de [140.181.3.111]) by sourceware.org (Postfix) with ESMTPS id AA924385841F for ; Thu, 24 Feb 2022 08:15:35 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org AA924385841F Received: from localhost (localhost [127.0.0.1]) by lxmtout1.gsi.de (Postfix) with ESMTP id 4C9782051044; Thu, 24 Feb 2022 09:15:34 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at lxmtout1.gsi.de Received: from lxmtout1.gsi.de ([127.0.0.1]) by localhost (lxmtout1.gsi.de [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 1-m02T60FhIs; Thu, 24 Feb 2022 09:15:34 +0100 (CET) Received: from srvex4.campus.gsi.de (unknown [10.10.4.36]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by lxmtout1.gsi.de (Postfix) with ESMTPS id 34FCC2051043; Thu, 24 Feb 2022 09:15:34 +0100 (CET) Received: from srvex1.Campus.gsi.de (10.10.4.11) by srvex4.campus.gsi.de (10.10.4.36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2375.18; Thu, 24 Feb 2022 09:15:34 +0100 Received: from srvex1.Campus.gsi.de ([fe80::d6d:62f8:8c5f:1743]) by srvex1.campus.gsi.de ([fe80::d6d:62f8:8c5f:1743%21]) with mapi id 15.01.2375.018; Thu, 24 Feb 2022 09:15:33 +0100 From: "Bertini, Denis Dr." To: Tobias Burnus , Harald Anlauf CC: "fortran@gcc.gnu.org" Subject: Re: Problem setting buffer size for gfortran ( v 11.2) Thread-Topic: Problem setting buffer size for gfortran ( v 11.2) Thread-Index: AQHYKOLdPl2KSeF2m0iQ/yc4UvrsIayhlNc7gAAJaLX///T3gIAAET0D///0XQCAALtSUv//9hYAAAIghl4= Date: Thu, 24 Feb 2022 08:15:33 +0000 Message-ID: <5a95ec72581b4c8fb59e81fdb93e4991@gsi.de> References: <2916ad84-bfbe-757b-290e-61d9c5805367@gmx.de> <99fe8038e55242b1bc4e7792ff0d7777@gsi.de> , <45776b22-8587-597c-c2d1-93df2c8cfdbb@codesourcery.com> In-Reply-To: <45776b22-8587-597c-c2d1-93df2c8cfdbb@codesourcery.com> Accept-Language: en-US, de-DE Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [140.181.3.12] MIME-Version: 1.0 X-Spam-Status: No, score=-3.4 required=5.0 tests=BAYES_00, HTML_MESSAGE, KAM_DMARC_STATUS, SPF_HELO_PASS, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.29 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 08:15:37 -0000 Hi Tobias I can try that but on our cluster we are bound to use srun (slurm). Do you know how to use the same functionality with srun to set the environment variables. Best Denis ________________________________ From: Tobias Burnus Sent: Thursday, February 24, 2022 9:13:18 AM To: Bertini, Denis Dr.; Harald Anlauf Cc: fortran@gcc.gnu.org Subject: Re: Problem setting buffer size for gfortran ( v 11.2) 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=DFe 201, 8= 0634 M=FCnchen; Gesellschaft mit beschr=E4nkter Haftung; Gesch=E4ftsf=FChre= r: Thomas Heurung, Frank Th=FCrauf; Sitz der Gesellschaft: M=FCnchen; Regis= tergericht M=FCnchen, HRB 106955