From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5A3311847; Tue, 27 Feb 2024 00:58:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708995505; cv=none; b=Wcs52oVbZYxWviusC7mw6lgNJrZm9+4iBVqm+nAwNaWndWPi55FLBRVoCWM/RQcRKg7AYbq62obKLCLu1CuckEl2QdMiRrPBhMlAGkUW8wO6MJcbUTPsHh1LeRaIHkC+vTGBiwDg122TxoJb1a9CzI45XcV1DY0SDGYOrAUSOIs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708995505; c=relaxed/simple; bh=qaRGbZw3nMP//+JFjvNcVW+EqA2CwVdYh7gZL5mLkLg=; h=MIME-Version:References:In-Reply-To:From:Date:Message-ID:Subject: To:Cc:Content-Type; b=ODuiojWSorSYvzZctFMT1bCaqWbzZyuRIqqwMU+GzeNQli+n89jie6WKKuGZe7KCQ2kMGPaysv9I+BYDOHsqQWjm2eP/KP63Cg2zJG3HMvPV0RNiu3y8ZU+Fbvwt8cWdONWsiGIcKOVxPpRjSnp2+JMlS++kqtfh7aOHsSSdd0c= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=spdX/faj; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="spdX/faj" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E36DAC43394; Tue, 27 Feb 2024 00:58:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1708995504; bh=qaRGbZw3nMP//+JFjvNcVW+EqA2CwVdYh7gZL5mLkLg=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=spdX/fajxfIgjTyQMaNQ2X1LJ8aV2Fopwm1O6ldTSf/MhZk1FpJWOcwuIXQh7X3vU 919tq201q3FVeruH33Ej9unvbymjO/vB4vp6mcO6i0O6/LSChs9FrjviK3gPq4LCM8 yjrlNWKVWEyQjrCgref8LSGJvAbXxXBIz1THDnajacyTLJyvU354kMAgJDLW/S4Us+ e0GDFCqLfoMcYjZ/QyswH+13yXg5dLCiF4NdS30C9DfRBQc3bbCxs3Q0sesdoJz4Ja l11CQaAdczcwGWZit/4XB8IRLWOOcHqzsuYUQO2sMrsptADdnA8Y64vyfMAK3XwUSb g4x9RzckQmUOg== Received: by mail-wm1-f45.google.com with SMTP id 5b1f17b1804b1-412a4a932f4so13126155e9.0; Mon, 26 Feb 2024 16:58:24 -0800 (PST) X-Forwarded-Encrypted: i=1; AJvYcCV+dsz/OMX6ev6RtvZNmfzEZe4VvEzl3WJ/r6AVeFyfvqWhjFUJl+VgPYJEnzBgSq5l+3PD64SSNP0uLobQsGVgpfKflYt5Njqpo0CJkd2Pg/5Sm4EhB6o3u1lODsGXd8UWnu3gXjvevQRxU6tQ8/1aRM1ROhBQNErUKk/bJK1G7RQm3X+7Yq+dhaJFqN1UFmgmtDgE977/kOVLfno2GrIXNw== X-Gm-Message-State: AOJu0YwFIh1AfOVQd5cEW22oaswSNlmmHRfoOsuNO4Mnv3rPNgR3an56 sf01HVrIsjvcjt8fDxzAOkqPlC5sRzZlcdye3gw1RRMoCjF3ZzJA/RHRnUKlpthdaZ1wWJTGCxT Un8QXqtxFr7TLUk2H7vLhwpj7tDQ= X-Google-Smtp-Source: AGHT+IFqjJgJkjMPawllVB8Z7vRbF30E2T+0rElmebjASihu2o/pZv4K7aKT/m1kXdVooPiQbMb0WJiPbiiC5Pfh6/A= X-Received: by 2002:a05:600c:a07:b0:412:955e:90e0 with SMTP id z7-20020a05600c0a0700b00412955e90e0mr5714587wmp.34.1708995503389; Mon, 26 Feb 2024 16:58:23 -0800 (PST) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: In-Reply-To: From: Luis Chamberlain Date: Mon, 26 Feb 2024 16:58:09 -0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [RFC PATCH 00/20] Introduce the famfs shared-memory file system To: John Groves Cc: John Groves , Jonathan Corbet , Dan Williams , Vishal Verma , Dave Jiang , Alexander Viro , Christian Brauner , Jan Kara , Matthew Wilcox , linux-cxl@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, nvdimm@lists.linux.dev, john@jagalactic.com, Dave Chinner , Christoph Hellwig , dave.hansen@linux.intel.com, gregory.price@memverge.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Mon, Feb 26, 2024 at 1:16=E2=80=AFPM John Groves wrote= : > > On 24/02/26 07:53AM, Luis Chamberlain wrote: > > On Mon, Feb 26, 2024 at 07:27:18AM -0600, John Groves wrote: > > > Run status group 0 (all jobs): > > > WRITE: bw=3D29.6GiB/s (31.8GB/s), 29.6GiB/s-29.6GiB/s (31.8GB/s-31.= 8GB/s), io=3D44.7GiB (48.0GB), run=3D1511-1511msec > > > > > This is run on an xfs file system on a SATA ssd. > > > > To compare more closer apples to apples, wouldn't it make more sense > > to try this with XFS on pmem (with fio -direct=3D1)? > > > > Luis > > Makes sense. Here is the same command line I used with xfs before, but > now it's on /dev/pmem0 (the same 128G, but converted from devdax to pmem > because xfs requires that. > > fio -name=3Dten-256m-per-thread --nrfiles=3D10 -bs=3D2M --group_reporting= =3D1 --alloc-size=3D1048576 --filesize=3D256MiB --readwrite=3Dwrite --fallo= cate=3Dnone --numjobs=3D48 --create_on_open=3D0 --ioengine=3Dio_uring --dir= ect=3D1 --directory=3D/mnt/xfs Could you try with mkfs.xfs -d agcount=3D1024 Luis