From owner-freebsd-hackers@FreeBSD.ORG  Thu Apr  9 21:22:11 2015
Return-Path: <owner-freebsd-hackers@FreeBSD.ORG>
Delivered-To: freebsd-hackers@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id 01FF65B5;
 Thu,  9 Apr 2015 21:22:11 +0000 (UTC)
Received: from mail-ig0-x233.google.com (mail-ig0-x233.google.com
 [IPv6:2607:f8b0:4001:c05::233])
 (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits))
 (Client CN "smtp.gmail.com",
 Issuer "Google Internet Authority G2" (verified OK))
 by mx1.freebsd.org (Postfix) with ESMTPS id B620FD85;
 Thu,  9 Apr 2015 21:22:10 +0000 (UTC)
Received: by iget9 with SMTP id t9so3067897ige.1;
 Thu, 09 Apr 2015 14:22:10 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113;
 h=mime-version:sender:in-reply-to:references:date:message-id:subject
 :from:to:cc:content-type;
 bh=YWs0VzRaPc0PW+dbh3oC47JLHUaQe588YZ/eNts5lwQ=;
 b=0pm/IdoccPzAAk8Ac+axaqzOI1HrlTVNOEkJHj3lvFOKZ7wyGPcpozf4kwufgCgY4E
 ZfMszkQqrYq7U3+/e8Rcok0E4m0qGEEzOeXGbdJWcHZIEzbNhkYr00OOUvVzhvB3piDr
 sO+Uin9wQ0iDHCMTZqicnPlWQkQEWhgbaLLYmfsTA1AeMpXOx7dMC54L16itfrWYEgoy
 0QBK4W1KtQeKh74vW5z68kAp1QJhS5knGPSvJ5cyDZuZRFntbTnt5JozGn10wHLnNb1R
 QOvpgBnZYDG8z2vLCFLJJb+YfDs84bnyEGvB4+19tOifjZAW7cOrf1p+BxD8eNRGMzsh
 12UQ==
MIME-Version: 1.0
X-Received: by 10.107.136.25 with SMTP id k25mr48571426iod.88.1428614530187;
 Thu, 09 Apr 2015 14:22:10 -0700 (PDT)
Sender: adrian.chadd@gmail.com
Received: by 10.36.17.194 with HTTP; Thu, 9 Apr 2015 14:22:09 -0700 (PDT)
In-Reply-To: <5526EA33.6090004@gmail.com>
References: <551BC57D.5070101@gmail.com>
 <CAOtMX2jVwMHSnQfphAF+a2+o7eLp62nHmUo4t+EahrXLWReaFQ@mail.gmail.com>
 <CAJP=Hc-RNVuhPePg7bnpmT4ByzyXs_CNvAs7Oy7ntXjqhZYhCQ@mail.gmail.com>
 <551C5A82.2090306@gmail.com> <20150401212303.GB2379@kib.kiev.ua>
 <CAJP=Hc87FMYCrQYGfAtefQ8PLT3WtnvPfPSppp3zRF-0noQR9Q@mail.gmail.com>
 <CAJP=Hc-WLKe3+DQ=2o21CY=aaQAjADrzEfnD7NVO1Cotu4vcGg@mail.gmail.com>
 <5526EA33.6090004@gmail.com>
Date: Thu, 9 Apr 2015 14:22:09 -0700
X-Google-Sender-Auth: dmdv4AWO5FJup_ZGlsXH3SjcOV0
Message-ID: <CAJ-VmonecBDemkfS=3nV2jiuJfOFJg7bZOacxOKXvTWktxBd9A@mail.gmail.com>
Subject: Re: NVMe performance 4x slower than expected
From: Adrian Chadd <adrian@freebsd.org>
To: Tobias Oberstein <tobias.oberstein@gmail.com>
Content-Type: text/plain; charset=UTF-8
Cc: Konstantin Belousov <kostikbel@gmail.com>,
 "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org>,
 Michael Fuckner <michael@fuckner.net>, Jim Harris <jim.harris@gmail.com>,
 Alan Somers <asomers@freebsd.org>
X-BeenThere: freebsd-hackers@freebsd.org
X-Mailman-Version: 2.1.18-1
Precedence: list
List-Id: Technical Discussions relating to FreeBSD
 <freebsd-hackers.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-hackers>, 
 <mailto:freebsd-hackers-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-hackers/>
List-Post: <mailto:freebsd-hackers@freebsd.org>
List-Help: <mailto:freebsd-hackers-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>,
 <mailto:freebsd-hackers-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 09 Apr 2015 21:22:11 -0000

Hi,

Dell has graciously loaned me a bunch of hardware to continue doing
NUMA development on, but I have no NVMe hardware. I'm hoping people at
Intel can continue kicking along any desires for NUMA that they
require. (Which they have, fwiw.)



-adrian