From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 91051 invoked by alias); 8 Nov 2017 23:01:38 -0000 Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org Received: (qmail 91030 invoked by uid 89); 8 Nov 2017 23:01:37 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-3.0 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_NONE,SPF_HELO_PASS autolearn=ham version=3.3.2 spammy= X-HELO: gateway34.websitewelcome.com Received: from gateway34.websitewelcome.com (HELO gateway34.websitewelcome.com) (192.185.148.142) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Wed, 08 Nov 2017 23:01:36 +0000 Received: from cm10.websitewelcome.com (cm10.websitewelcome.com [100.42.49.4]) by gateway34.websitewelcome.com (Postfix) with ESMTP id CF12B454DB for ; Wed, 8 Nov 2017 17:01:34 -0600 (CST) Received: from box5379.bluehost.com ([162.241.216.53]) by cmsmtp with SMTP id CZLieFrFxpOTvCZLiezt9J; Wed, 08 Nov 2017 17:01:34 -0600 Received: from 71-218-90-63.hlrn.qwest.net ([71.218.90.63]:44296 helo=pokyo) by box5379.bluehost.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89) (envelope-from ) id 1eCZLi-001dRm-K0; Wed, 08 Nov 2017 17:01:34 -0600 From: Tom Tromey To: Pedro Alves Cc: Tom Tromey , gdb-patches@sourceware.org Subject: Re: [RFA 1/2] Speed up dict_hash References: <20171104161356.17565-1-tom@tromey.com> <20171104161356.17565-2-tom@tromey.com> <87y3ngr4p7.fsf@tromey.com> Date: Wed, 08 Nov 2017 23:01:00 -0000 In-Reply-To: (Pedro Alves's message of "Wed, 8 Nov 2017 22:41:11 +0000") Message-ID: <87bmkce5o2.fsf@tromey.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.90 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-BWhitelist: no X-Source-L: No X-Exim-ID: 1eCZLi-001dRm-K0 X-Source-Sender: 71-218-90-63.hlrn.qwest.net (pokyo) [71.218.90.63]:44296 X-Source-Auth: tom+tromey.com X-Email-Count: 2 X-Source-Cap: ZWx5bnJvYmk7ZWx5bnJvYmk7Ym94NTM3OS5ibHVlaG9zdC5jb20= X-Local-Domain: yes X-SW-Source: 2017-11/txt/msg00196.txt.bz2 >>>>> "Pedro" == Pedro Alves writes: Pedro> I'm seeing a lot of time (24%!) spent in gettext, via complaints... Hmm, that sounds familiar somehow. Pedro> Maybe you were building with --disable-intl before? Not intentionally but perhaps I was missing a dependency. Pedro> The patch below, improves "gdb -nx -readnow -batch gdb" Pedro> from ~11.s to ~7.8s, for me (gcc 5.3.1, -O2, x86_64). Seems like a good idea. -readnow isn't really used, of course, but I use it as a simpler-to-measure proxy for CU expansion time, which does matter occasionally. Tom