From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by yocto-www.yoctoproject.org (Postfix, from userid 118) id 1DFEEE009FD; Thu, 6 Aug 2015 06:55:10 -0700 (PDT) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on yocto-www.yoctoproject.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 X-Spam-HAM-Report: * -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at http://www.dnswl.org/, high * trust * [198.47.26.153 listed in list.dnswl.org] * -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% * [score: 0.0000] Received: from devils.ext.ti.com (devils.ext.ti.com [198.47.26.153]) by yocto-www.yoctoproject.org (Postfix) with ESMTP id 9E2C8E00867 for ; Thu, 6 Aug 2015 06:55:05 -0700 (PDT) Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id t76Dt4SO031619; Thu, 6 Aug 2015 08:55:04 -0500 Received: from DLEE70.ent.ti.com (dlee70.ent.ti.com [157.170.170.113]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id t76Dt4KY025881; Thu, 6 Aug 2015 08:55:04 -0500 Received: from dlep33.itg.ti.com (157.170.170.75) by DLEE70.ent.ti.com (157.170.170.113) with Microsoft SMTP Server id 14.3.224.2; Thu, 6 Aug 2015 08:55:03 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep33.itg.ti.com (8.14.3/8.13.8) with ESMTP id t76Dt3Sr014877; Thu, 6 Aug 2015 08:55:03 -0500 Date: Thu, 6 Aug 2015 09:54:48 -0400 From: Denys Dmytriyenko To: Ankur Tyagi Message-ID: <20150806135447.GY1040@edge> References: MIME-Version: 1.0 In-Reply-To: User-Agent: Mutt/1.5.20 (2009-06-14) Cc: "meta-ti@yoctoproject.org" Subject: Re: omap3-sgx-modules-5.01.01.xx ONLY supports hardfp mode for now X-BeenThere: meta-ti@yoctoproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Usage and development list for the meta-ti layer List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 06 Aug 2015 13:55:10 -0000 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline On Thu, Aug 06, 2015 at 04:20:40PM +1200, Ankur Tyagi wrote: > I just checked that inside "ti33x.inc", > DEFAULTTUNE ?= "cortexa8thf-neon" > > But it is overwritten by inclusion of arch-armv7a.inc > DEFAULTTUNE ?= "armv7a" > TUNE_FEATURES_tune-armv7a ?= "armv7a vfp" > > But TUNER_FEATURES also include "callconvention-hard". > > I am bit confused here. It's not overwritten: http://www.yoctoproject.org/docs/1.6/bitbake-user-manual/bitbake-user-manual.html#setting-a-default-value > "Knowledge is knowing tomato is a fruit, wisdom is not putting it in a > fruit salad" > > On Thu, Aug 6, 2015 at 3:49 PM, Ankur Tyagi wrote: > > > thanks for help. > > > > Will try with above suggestion > > > > "Knowledge is knowing tomato is a fruit, wisdom is not putting it in a > > fruit salad" > > > > On Thu, Aug 6, 2015 at 3:46 PM, Khem Raj wrote: > > > >> On Wed, Aug 5, 2015 at 8:41 PM, Ankur Tyagi > >> wrote: > >> > Thanks for your response. > >> > > >> > So it is worth trying with TUNE_FEATURE "hfp" and measure the > >> performance. > >> > Do I have to set TARGET_FPU as "hfp-neon" as default value is "vfp-neon" > >> > > >> > >> all you might need is to select a proper DEFAULTTUNE in machine config > >> something like > >> > >> DEFAULTTUNE ?= "cortexa8thf-neon" > >> > >> > Does it make sense to push this change upstream as well ? > >> > > >> > "Knowledge is knowing tomato is a fruit, wisdom is not putting it in a > >> fruit > >> > salad" > >> > > >> > On Thu, Aug 6, 2015 at 3:00 PM, Khem Raj wrote: > >> >> > >> >> On Wed, Aug 5, 2015 at 7:47 PM, Ankur Tyagi > >> >> wrote: > >> >> > Hi, > >> >> > > >> >> > I am using TI AM335x-EVM kit and while building image using > >> >> > "arago-daisy-config.txt", I saw this warning : > >> >> > > >> >> > omap3-sgx-modules-5.01.01.02 ONLY supports hardfp mode for now > >> >> > omap3-sgx-modules-5.01.01.01 ONLY supports hardfp mode for now > >> >> > > >> >> > and TUNE_FEATUREis "vfp" > >> >> > > >> >> > Does that mean GPU is not getting used anymore ? > >> >> > >> >> not really, what its telling is that you dont have > >> >> callconvention-hard in TUNE_FEATURES > >> >> which means that compiler wont use hardfloat ABI when making function > >> >> calls. > >> >> but neon/vfp will still be used e.g. when doing vectorization etc. if > >> >> using hardfp ABI will radically improve performance totally depends > >> >> upon kind of workload that you are measuring. It may vary. > >> >> > >> >> > I am using QT5 with eglfs platform and need GPU support for > >> performance. > >> >> > > >> >> > Please clarify the situation. > >> >> > > >> >> > Thanks > >> >> > Ankur > >> >> > > >> >> > -- > >> >> > _______________________________________________ > >> >> > meta-ti mailing list > >> >> > meta-ti@yoctoproject.org > >> >> > https://lists.yoctoproject.org/listinfo/meta-ti > >> >> > > >> > > >> > > >> > > > > > -- > _______________________________________________ > meta-ti mailing list > meta-ti@yoctoproject.org > https://lists.yoctoproject.org/listinfo/meta-ti