From owner-freebsd-stable@FreeBSD.ORG Thu Apr 15 00:46:49 2010 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 385051065670; Thu, 15 Apr 2010 00:46:49 +0000 (UTC) (envelope-from maho.nakata@gmail.com) Received: from mail-yw0-f193.google.com (mail-yw0-f193.google.com [209.85.211.193]) by mx1.freebsd.org (Postfix) with ESMTP id B5F908FC16; Thu, 15 Apr 2010 00:46:48 +0000 (UTC) Received: by ywh31 with SMTP id 31so386417ywh.3 for ; Wed, 14 Apr 2010 17:46:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:sender:date:message-id:to:cc :subject:from:in-reply-to:references:x-mailer:mime-version :content-type:content-transfer-encoding; bh=Jl8P5Kc1dXXCzMlMe4k0coZXm7bfzso74dTsSMPLwMs=; b=dGIMcVtO4rbaNsX6Ca2GvIxUNmHcBCx8sfQqol/DX9i7PlJXId8q2hL/85qtYLx05v 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<20100414.082109.29593248145846106.chat95@mac.com> <4BC5DEB4.1090208@freebsd.org> X-Mailer: Mew version 6.3 on Emacs 23.1 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=utf-8 Content-Transfer-Encoding: base64 Cc: alc@freebsd.org, alan.l.cox@gmail.com, freebsd-stable@freebsd.org, als@modulus.org, avg@freebsd.org Subject: HyperThreading makes worse to me (was Re: How to reproduce: Re: Only 70% of theoretical peak performance on FreeBSD 8/amd64, Corei7 920) X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 15 Apr 2010 00:46:49 -0000 SGkgQW5kcnkgYW5kIEFkYW0NCg0KTXkgdGVzdCBhZ2Fpbi4gTm8gZGVza3RvcCwgZXRjLiBJIGp1 c3QgcnVuIGRnZW1tLg0KQ29udHJhcnkgdG8gQWRhbSdzIHJlc3VsdCwgSHlwZXIgVGhyZWFkaW5n IG1ha2VzIHRoZSBwZXJmb3JtYW5jZSB3b3JzZS4NCmFsbCB0ZXN0cyBhcmUgZG9uZSBvbiBDb3Jl 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