From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 6AC4C1A1DEF for ; Fri, 30 Sep 2016 02:49:31 -0700 (PDT) Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id C98A763E0F; Fri, 30 Sep 2016 09:49:30 +0000 (UTC) Received: from lacos-laptop-7.usersys.redhat.com (ovpn-116-73.phx2.redhat.com [10.3.116.73]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u8U9nT2V002621; Fri, 30 Sep 2016 05:49:29 -0400 To: "Gao, Liming" References: <1475158367-13120-1-git-send-email-liming.gao@intel.com> <1475158367-13120-5-git-send-email-liming.gao@intel.com> <4A89E2EF3DFEDB4C8BFDE51014F606A14B47EDEF@shsmsx102.ccr.corp.intel.com> <4A89E2EF3DFEDB4C8BFDE51014F606A14B47F136@shsmsx102.ccr.corp.intel.com> Cc: "Justen, Jordan L" , "edk2-devel@ml01.01.org" , Ard Biesheuvel From: Laszlo Ersek Message-ID: Date: Fri, 30 Sep 2016 11:49:28 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.3.0 MIME-Version: 1.0 In-Reply-To: <4A89E2EF3DFEDB4C8BFDE51014F606A14B47F136@shsmsx102.ccr.corp.intel.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Fri, 30 Sep 2016 09:49:30 +0000 (UTC) Subject: Re: [Patch 4/4] BaseTools Makefile: Enable Ofast option for GCC tool chain X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 30 Sep 2016 09:49:31 -0000 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit On 09/30/16 08:56, Gao, Liming wrote: > Ersek: > > I try O2 option. Compared to Ofast, there is a little different. I > think it is acceptable. I will use O2 option. And, this warning message > also exists without O2 enable. It is not introduced by this patch. > > > > Tool Compression time > Decompression time > > LzmaCompress (GCC O0) 3.476s 0.204s > > LzmaCompress (GCC Ofast) 1.655s 0.107s > > LzmaCompress (GCC O2) 1.687s 0.105s > Thank you very much! Laszlo