From owner-freebsd-current@FreeBSD.ORG Sat Mar 28 17:41:49 2015 Return-Path: Delivered-To: freebsd-current@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 8431C14D; Sat, 28 Mar 2015 17:41:49 +0000 (UTC) Received: from mail-ig0-x230.google.com (mail-ig0-x230.google.com [IPv6:2607:f8b0:4001:c05::230]) (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 481F8F07; Sat, 28 Mar 2015 17:41:49 +0000 (UTC) Received: by igcxg11 with SMTP id xg11so43518553igc.0; Sat, 28 Mar 2015 10:41:48 -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=sfw+y0Xb/c4OCdxlk6HxSRMmeKRHef5qH+h/1xS2+tw=; b=vVCLwkMC+JZSy5/0nbP+nPwaM9Qks99wU/Ke3uj4ofdACmI3g1n0C9H/JGHaDPGmdu gLlmbJ95hxyGSJ8ObQ6+xQ1UeK7OQ0cHtrL1RGOkPitZbaxe6GFMxe2PCVXWZmo6z36j UqGXAY0kY5En7nj0HIxFz0g81doMmoWleFWC3l2nAhkjXWsj/Rcy5oePmoLEH+3um8gJ 6UDyGxsvPwrgJALQ0GRHGvB2o7WmoFd9smafz1SnN+zMlXCHhjrNedpGthq379UATFE8 CY/LIGgLQf+C+FsOqkO+XySJd7tr34DF2FOFKTsIPLA3xLeQjSgYEB8+o9dlqJB8as1q sfVg== MIME-Version: 1.0 X-Received: by 10.50.36.65 with SMTP id o1mr6602824igj.32.1427564508718; Sat, 28 Mar 2015 10:41:48 -0700 (PDT) Sender: adrian.chadd@gmail.com Received: by 10.36.17.194 with HTTP; Sat, 28 Mar 2015 10:41:48 -0700 (PDT) In-Reply-To: References: <5515AED9.8040408@FreeBSD.org> <3A96AAEC-9C1C-444E-9A73-3CD2AED33116@me.com> <20150327214452.GR2379@kib.kiev.ua> <5516B280.6060002@freebsd.org> Date: Sat, 28 Mar 2015 10:41:48 -0700 X-Google-Sender-Auth: QgcSWLWlvn8u5f9oBFR93ofiKG8 Message-ID: Subject: Re: SSE in libthr From: Adrian Chadd To: David Chisnall Content-Type: text/plain; charset=UTF-8 Cc: freebsd-current X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 28 Mar 2015 17:41:49 -0000 Ok, so how do we reduce the amount of FPU save and restores, or make them cheaper? -a