From owner-freebsd-toolchain@FreeBSD.ORG Thu Aug 28 19:22:16 2014 Return-Path: Delivered-To: freebsd-toolchain@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 209F0556; Thu, 28 Aug 2014 19:22:16 +0000 (UTC) Received: from mail-qg0-x22f.google.com (mail-qg0-x22f.google.com [IPv6:2607:f8b0:400d:c04::22f]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id C3AA01480; Thu, 28 Aug 2014 19:22:15 +0000 (UTC) Received: by mail-qg0-f47.google.com with SMTP id z60so1232375qgd.6 for ; Thu, 28 Aug 2014 12:22:14 -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=UgNx2oE70RiXlomV3HGZiCXpMa9z2PlDKNhzNy1Mv2Q=; b=TmQk1GfowkTQTR7d9ZCdIIaL9T6SWOM2xHvNxDjjmqM5xR1XBoUuMADKLtKPH636Z2 f0TBIDsUjj2ep5McGhcdBYhjGcQNCG1aExzYygkCPjRd7pTIjM7EpwrnncahJ7aXhYia 9v6Doopb3DiIw1/EYfmgxb8fMzEkCtdo+jKnsacIG6ezll9/CCe4CAHVYF3/sYCOD7/N TqcPOoRlz+hlPhC0GUgB5LjE4aJ5JKfOVSU0DeP8woWSW/HzmojcAeKNZp8uF8uFeANL iPdqr9iO3CKWaFiLp6GL9hp/j6YvPYlxI/ks735UIdrtTCVdieHewk1e62QXhyteuYH5 mlDQ== MIME-Version: 1.0 X-Received: by 10.224.46.8 with SMTP id h8mr10068218qaf.6.1409253734659; Thu, 28 Aug 2014 12:22:14 -0700 (PDT) Sender: adrian.chadd@gmail.com Received: by 10.224.39.139 with HTTP; Thu, 28 Aug 2014 12:22:14 -0700 (PDT) In-Reply-To: References: <20140828171859.GA81757@troutmask.apl.washington.edu> Date: Thu, 28 Aug 2014 12:22:14 -0700 X-Google-Sender-Auth: enEHJW-qBTlBVzDM18jUokyop10 Message-ID: Subject: Re: Lock annotations: enable them for libpthread, libstdthreads From: Adrian Chadd To: Ed Schouten Content-Type: text/plain; charset=UTF-8 Cc: freebsd-toolchain@freebsd.org, Steve Kargl , "freebsd-arch@freebsd.org" X-BeenThere: freebsd-toolchain@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Maintenance of FreeBSD's integrated toolchain List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 28 Aug 2014 19:22:16 -0000 On 28 August 2014 10:34, Ed Schouten wrote: > On 28 August 2014 19:18, Steve Kargl wrote: >> What it is the performance penalty (time and memory)? That is, >> buildworld already takes a looooonnnnng time on my system because >> of clang. > > My gut feeling is that impact is minimal. Buildworlds seem to take > approximately the same time, mainly because we don't have that many > annotated objects/functions/expressions. I will do some measurements. Would you please test on something that isn't the latest generation hardware? Even just a core 2 duo would be fine. -a