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a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=tromey.com; s=default; h=Content-Type:MIME-Version:Message-ID:In-Reply-To:Date:References :Subject:Cc:To:From:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=wd/POK17jX5f8ezdOxb+c8Np+2Sy6SoXMMQQ8f6RLG8=; b=H7RBW+Eji1yvV0ThhB1EPUFOSD AvSOvqzawrqV9IAUu+N2EVZqiIXjnyb92lcnRaYzRwiWtpskw9qQTO/7iDNPxwgdOgyTlP1n28CBa Np0idlApUH/tP7CKVHl+Mu5ha; Received: from 97-122-76-186.hlrn.qwest.net ([97.122.76.186]:34958 helo=prentzel) by box5379.bluehost.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1pDCKV-001KM8-FU; Wed, 04 Jan 2023 15:33:51 -0700 From: Tom Tromey To: Eli Zaretskii Cc: Simon Marchi , cbiesinger@google.com, tom@tromey.com, gdb-patches@sourceware.org, luis.machado@arm.com Subject: Re: Two observations using GDB 13 snapshot References: <83h6xugc5v.fsf@gnu.org> <835ye7e9jw.fsf@gnu.org> <87h6xrks77.fsf@tromey.com> <83mt7idacj.fsf@gnu.org> <87fsd4elb2.fsf@tromey.com> <83o7rs4qmg.fsf@gnu.org> <87cz84dasj.fsf@tromey.com> <835ydw20bw.fsf@gnu.org> <87wn6bbi5m.fsf@tromey.com> <83sfgz8m9i.fsf@gnu.org> <87o7rnb0ya.fsf@tromey.com> <83a6368chf.fsf@gnu.org> <87k02aaxc8.fsf@tromey.com> <83wn6a6n21.fsf@gnu.org> <587b899f-0f93-530a-7313-d4e1f9e501b9@simark.ca> <835ydt6jzw.fsf@gnu.org> <83wn63z81w.fsf@gnu.org> <46d7fd4b-d5f0-0007-3e88-20345e0e0584@simark.ca> <831qoayxuu.fsf@gnu.org> X-Attribution: Tom Date: Wed, 04 Jan 2023 15:33:48 -0700 In-Reply-To: <831qoayxuu.fsf@gnu.org> (Eli Zaretskii's message of "Wed, 04 Jan 2023 20:10:33 +0200") Message-ID: <878rii9bg3.fsf@tromey.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - box5379.bluehost.com X-AntiAbuse: Original Domain - sourceware.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - tromey.com X-BWhitelist: no X-Source-IP: 97.122.76.186 X-Source-L: No X-Exim-ID: 1pDCKV-001KM8-FU X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: 97-122-76-186.hlrn.qwest.net (prentzel) [97.122.76.186]:34958 X-Source-Auth: tom+tromey.com X-Email-Count: 4 X-Source-Cap: ZWx5bnJvYmk7ZWx5bnJvYmk7Ym94NTM3OS5ibHVlaG9zdC5jb20= X-Local-Domain: yes X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gdb-patches-bounces+public-inbox=simark.ca@sourceware.org Sender: "Gdb-patches" >>>>> "Eli" == Eli Zaretskii writes: Eli> Looks like indeed strcasecmp is the culprit. With the patch below, Eli> which replaces strcasecmp with a simple case-insensitive comparison Eli> that only works with ASCII, the phase of reading symbols from gdb.exe Eli> goes down to just 6 seconds, which is basically the same time as with Eli> GDB 12. Thank you. Hopefully the other patch I have pending, which does something similar, should have the same effect. Tom