From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 101633 invoked by alias); 21 May 2015 06:17:14 -0000 Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org Received: (qmail 101188 invoked by uid 89); 21 May 2015 06:17:14 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=0.1 required=5.0 tests=AWL,BAYES_40,FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,SPF_PASS autolearn=ham version=3.3.2 X-HELO: mail-wi0-f177.google.com Received: from mail-wi0-f177.google.com (HELO mail-wi0-f177.google.com) (209.85.212.177) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES128-GCM-SHA256 encrypted) ESMTPS; Thu, 21 May 2015 06:17:13 +0000 Received: by wicmx19 with SMTP id mx19so2727852wic.0 for ; Wed, 20 May 2015 23:17:09 -0700 (PDT) X-Received: by 10.194.238.193 with SMTP id vm1mr2156858wjc.57.1432189029541; Wed, 20 May 2015 23:17:09 -0700 (PDT) Received: from [10.41.45.216] (089144226216.atnat0035.highway.a1.net. [89.144.226.216]) by mx.google.com with ESMTPSA id b10sm1077825wiz.9.2015.05.20.23.17.07 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 20 May 2015 23:17:08 -0700 (PDT) User-Agent: K-9 Mail for Android In-Reply-To: <20150520221319.GA91616@kam.mff.cuni.cz> References: <20150520221319.GA91616@kam.mff.cuni.cz> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Subject: Re: Add statistics to alias.c From: Bernhard Reutner-Fischer Date: Thu, 21 May 2015 06:56:00 -0000 To: Jan Hubicka ,gcc-patches@gcc.gnu.org,rguenther@suse.de Message-ID: X-IsSubscribed: yes X-SW-Source: 2015-05/txt/msg01917.txt.bz2 On May 21, 2015 12:13:19 AM GMT+02:00, Jan Hubicka wrote: >Hi, >this patch extends statistics from tree-ssa-alias to also cover TBAA >oracle. >This is useful to keep track of aliasing effectivity. For example the >hack >in alias.c putting globbing all pointers to one costs about 20% of all >answers on firefox. I.e. from 15500978 disambiguations/23744267 >querries >(with the hack removed) to 12932078 disambiguations/27256455 querries. > >Bootstrapped x86_64-linux, OK? s/quaries/queries/ Thanks,