From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 43264 invoked by alias); 27 Feb 2015 22:30:51 -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 43251 invoked by uid 89); 27 Feb 2015 22:30:50 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=1.8 required=5.0 tests=AWL,BAYES_00,FREEMAIL_FROM,KAM_FROM_URIBL_PCCC,RCVD_IN_DNSWL_LOW,SPF_PASS autolearn=no version=3.3.2 X-HELO: mail-we0-f176.google.com Received: from mail-we0-f176.google.com (HELO mail-we0-f176.google.com) (74.125.82.176) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES128-GCM-SHA256 encrypted) ESMTPS; Fri, 27 Feb 2015 22:30:49 +0000 Received: by wesx3 with SMTP id x3so23013248wes.6 for ; Fri, 27 Feb 2015 14:30:46 -0800 (PST) X-Received: by 10.194.60.173 with SMTP id i13mr32068544wjr.124.1425076246625; Fri, 27 Feb 2015 14:30:46 -0800 (PST) Received: from [10.50.190.128] (089144225128.atnat0034.highway.a1.net. [89.144.225.128]) by mx.google.com with ESMTPSA id hd5sm4632389wib.21.2015.02.27.14.30.45 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 27 Feb 2015 14:30:46 -0800 (PST) User-Agent: K-9 Mail for Android In-Reply-To: <54F0E9A2.4020407@redhat.com> References: <54F0E9A2.4020407@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Subject: Re: one more patch for PR64317 From: Bernhard Reutner-Fischer Date: Fri, 27 Feb 2015 23:26:00 -0000 To: Vladimir Makarov ,"gcc-patches@gcc.gnu.org" Message-ID: X-IsSubscribed: yes X-SW-Source: 2015-02/txt/msg01733.txt.bz2 On February 27, 2015 11:03:14 PM GMT+01:00, Vladimir Makarov wrote: > The following patch improves inheritance for PR64317 testcase > >https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64317 > > I ran a lot SPEC2000 benchmarks to get better default parameter value >for EBB_PROBABILITY_CUTOFF in LRA inheritance. The new default >parameter >value improves SPECInt2000 by 0.4% on x86-64 without changing >SPECFP2000 >rate. The code size changes are insignificant (0.002% increase for >SPECInt and 0.01% decrease for SPECFP). > >The patch was bootstrapped and tested on x86-64. > >Committed as rev.221070. +DEFPARAM (PARAM_LRA_INHERITANCE_EBB_PROBABILITY_CUTOFF, + "lra-inheritance-ebb-probability-cutoff", + "Minimal fall-through edge probability in percentage used to add BB to inheritance EEB in LRA", + 40, 0, 100) s/EEB/EBB/ ? Thanks,