From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 6144 invoked by alias); 8 Nov 2017 23:51:41 -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 6134 invoked by uid 89); 8 Nov 2017 23:51:41 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.9 required=5.0 tests=BAYES_00,RP_MATCHES_RCVD,SPF_HELO_PASS autolearn=ham version=3.3.2 spammy=H*M:8683 X-HELO: mx1.redhat.com Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Wed, 08 Nov 2017 23:51:40 +0000 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 3FF864E90B; Wed, 8 Nov 2017 23:51:39 +0000 (UTC) Received: from [127.0.0.1] (ovpn04.gateway.prod.ext.ams2.redhat.com [10.39.146.4]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8FF9360BE3; Wed, 8 Nov 2017 23:51:38 +0000 (UTC) Subject: Re: [RFA 1/2] Speed up dict_hash To: Tom Tromey References: <20171104161356.17565-1-tom@tromey.com> <20171104161356.17565-2-tom@tromey.com> <87y3ngr4p7.fsf@tromey.com> <87bmkce5o2.fsf@tromey.com> Cc: gdb-patches@sourceware.org From: Pedro Alves Message-ID: Date: Wed, 08 Nov 2017 23:51:00 -0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0 MIME-Version: 1.0 In-Reply-To: <87bmkce5o2.fsf@tromey.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-SW-Source: 2017-11/txt/msg00198.txt.bz2 On 11/08/2017 11:01 PM, Tom Tromey wrote: > 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. Right. Alright, I cleaned it up a bit, ran the testsuite, fixed gdb.gdb/complaints.exp, and pushed it in now: https://sourceware.org/ml/gdb-patches/2017-11/msg00197.html Thanks, Pedro Alves