From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mta-p8.oit.umn.edu (mta-p8.oit.umn.edu [134.84.196.208]) by sourceware.org (Postfix) with ESMTPS id 8D277385DC02 for ; Sat, 11 Apr 2020 20:03:07 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 8D277385DC02 Received: from localhost (unknown [127.0.0.1]) by mta-p8.oit.umn.edu (Postfix) with ESMTP id 4905Qz0Cznz9vCCm for ; Sat, 11 Apr 2020 20:03:07 +0000 (UTC) X-Virus-Scanned: amavisd-new at umn.edu Received: from mta-p8.oit.umn.edu ([127.0.0.1]) by localhost (mta-p8.oit.umn.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 3PA1N9_i3g6W for ; Sat, 11 Apr 2020 15:03:06 -0500 (CDT) Received: from mail-qv1-f71.google.com (mail-qv1-f71.google.com [209.85.219.71]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mta-p8.oit.umn.edu (Postfix) with ESMTPS id 4905Qy6882z9vCCL for ; Sat, 11 Apr 2020 15:03:06 -0500 (CDT) Received: by mail-qv1-f71.google.com with SMTP id q5so4523043qvr.13 for ; Sat, 11 Apr 2020 13:03:06 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:content-transfer-encoding:from:mime-version :subject:message-id:date:to; bh=vcruCvRqXOikeGh44VSOyLAgFLnVnaXf/D0D8aXIys8=; b=cIx8wZKyE/Tn+Lsw2RxT5mS8On8diVH9Ac3Re0UKePQBkNDy/ZJkG4bhS4nioAxthP WutzryHk3fXRsn0uqCQOVRU9CiVWkm/WR0zJkB2b5j2Imt7q2qq4S0WGCbTbqH9ul+Ez OT5dP48yctXUTxoTBN4TvmHeY+SWfjlTTmcWl+37x2EUuUYrckdSrrHDolaOoU6swTxr yEYWnCl69rz/AgIaPkPKemDph4Vv5svi1KbuzvErbwUqnEGLtFNZXNENYezcGHzN5RL9 Kly661tL0fvqHN19GemKMrt8rySjChvT2eynuys6YkavlJZmJkkKWeAfkymRLVugVpvu I+iQ== X-Gm-Message-State: AGi0PuaiHKw3tZ60QntOWmFDP+mIdXWVtONVxVtMR12NOVwwulZnxPHt 2OC+OFvMJd1IbLhYTf62TYoNqA/iUGed08JTm4+TqnHy0uIRn7NL+YfdABzHlrfk/VHF9VSAMQf NZMcxDm7o8Ne7/ImHjBSSuCM1LbwO1vCE2ZBYTz2fO1ZF5pEAHsdq/GVYgahaDKGnZg== X-Received: by 2002:a37:a4c3:: with SMTP id n186mr9827759qke.62.1586635386043; Sat, 11 Apr 2020 13:03:06 -0700 (PDT) X-Google-Smtp-Source: APiQypIC6t3jv9kGSPlvQuAf2hwZQ2NUEGuFI+HJDfPRK2ML1mOmAZhuV2p0ay26YFlMqIM9JEdJHg== X-Received: by 2002:a37:a4c3:: with SMTP id n186mr9827736qke.62.1586635385735; Sat, 11 Apr 2020 13:03:05 -0700 (PDT) Received: from ?IPv6:2601:449:8301:520e:6814:604e:3ced:273b? ([2601:449:8301:520e:6814:604e:3ced:273b]) by smtp.gmail.com with ESMTPSA id 65sm4342599qkf.79.2020.04.11.13.03.05 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 11 Apr 2020 13:03:05 -0700 (PDT) Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable From: "relliott@umn.edu" Mime-Version: 1.0 (1.0) Subject: =?utf-8?Q?High_memory_usage_compiling_large_=E2=80=98xxd_-i?= =?utf-8?Q?=E2=80=99_output?= Message-Id: <84BAF17A-8E6A-45E6-B8EC-D697A7D64230@umn.edu> Date: Sat, 11 Apr 2020 15:03:04 -0500 To: gcc-help@gcc.gnu.org X-Mailer: iPad Mail (17E262) X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, SPF_HELO_NONE, SPF_PASS autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: gcc-help@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-help mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 11 Apr 2020 20:03:09 -0000 =EF=BB=BFHello, I=E2=80=99m seeing gcc memory usage exceed 15GB when compiling a source file= generated from the command: % xxd -i file.txt where =E2=80=98file.txt=E2=80=99 is a 170MB file. Is there a way to avoid this high memory usage? Can anyone explain why it o= ccurs? Thanks, Ryan Elliott=