From owner-freebsd-performance@FreeBSD.ORG Fri Apr 6 14:58:45 2012 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id BC40F106564A; Fri, 6 Apr 2012 14:58:45 +0000 (UTC) (envelope-from asmrookie@gmail.com) Received: from mail-lpp01m010-f54.google.com (mail-lpp01m010-f54.google.com [209.85.215.54]) by mx1.freebsd.org (Postfix) with ESMTP id 060368FC15; Fri, 6 Apr 2012 14:58:44 +0000 (UTC) Received: by lagv3 with SMTP id v3so3288049lag.13 for ; Fri, 06 Apr 2012 07:58:43 -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 :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=RY/tOrBmrYcAKuXDHNQZXm/wCc67KP1ied9oEa8256g=; b=MZ6G32qk4FXkFqJlZCHyUdy9EwjXeup5KN9dW+cPklan8tJpbb89/bBBr1P0Sowqv0 L7uhzHmlnwNyLjhz7RGzP19GGR0o/aBysoWHxTHdGosZHt9VIQ7KI27qHL6zXuXQQaud s2ODs47xG6RrdnzJ5Iae1ENDsExz9+iqlm2/OXDII0HRSM5kLT7U2WoY73RkZYHVJuqJ 0RsfaKjQSLoE0Q8Q8h8aGUBEOS8IPbft/lMOlrtO69RC6lvbdEuVqHbBNT6JRVUNFZb/ yrsp8X8o4pOJ6nlHkQunFgcidklIM+nttf9Fhgs2x3RcbN2fFTzjkyCUom/kw0GWfezI cPQw== MIME-Version: 1.0 Received: by 10.152.105.241 with SMTP id gp17mr9305937lab.21.1333724323633; Fri, 06 Apr 2012 07:58:43 -0700 (PDT) Sender: asmrookie@gmail.com Received: by 10.112.93.138 with HTTP; Fri, 6 Apr 2012 07:58:43 -0700 (PDT) In-Reply-To: References: Date: Fri, 6 Apr 2012 15:58:43 +0100 X-Google-Sender-Auth: WdYr8IUEZM3PNOlLwad926liIkw Message-ID: From: Attilio Rao To: Arnaud Lacombe Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Cc: freebsd-performance@freebsd.org, FreeBSD Current Subject: Re: Scheduler + IPC performance on FreeBSD 7.4, 8.2, 9.0 and -CURRENT X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 06 Apr 2012 14:58:45 -0000 Il 05 aprile 2012 19:03, Arnaud Lacombe ha scritto: > Hi folks, > > Over the past months, I ran on a couple of unused box the > `hackbench'[HACKBENCH] benchmark used by the Linux folks for tracking > down various kind of regression/improvement. `hackbench' is a > scheduler + IPC test (socket xor pipe). It creates producers/consumers > groups and let a variable quantity of small messages flow happily. > Producers and consumers are either processes xor threads. > > Tested platforms were > =C2=A0- Atom D510, Intel, (incomplete) > =C2=A0- Core 2 Quad Q9560, Intel > =C2=A0- Soekris net5501, AMD (incomplete) > =C2=A0- Xeon E5645, Intel (incomplete) > =C2=A0- Xeon E5620 (dual package), Intel > =C2=A0- Xeon E5-1650 (pending completion) > =C2=A0- Vortex86, DMP > > Tested kernel were: > =C2=A0- FreeBSD 7.4-RELEASE > =C2=A0- FreeBSD 8.2-RELEASE > =C2=A0- FreeBSD 9.0-RC3 and FreeBSD 9.0-RELEASE > =C2=A0- FreeBSD 10-CURRENT as of r231573 Which means you run 10-CURRENT with all the kernel debugging options on and MALLOC_DEBUG on? Attilio --=20 Peace can only be achieved by understanding - A. Einstein