From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 25607 invoked by alias); 1 Sep 2014 15:34:35 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 25557 invoked by uid 55); 1 Sep 2014 15:34:31 -0000 From: "joseph at codesourcery dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug libstdc++/62318] optimization of string searches using Nigel Horspool's Boyer-Moore-Horpool algorithm Date: Mon, 01 Sep 2014 15:34:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: libstdc++ X-Bugzilla-Version: 4.9.1 X-Bugzilla-Keywords: X-Bugzilla-Severity: enhancement X-Bugzilla-Who: joseph at codesourcery dot com X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2014-09/txt/msg00150.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62318 --- Comment #5 from joseph at codesourcery dot com --- glibc's strstr already uses an asymptotically fast (i.e. O(m+n) instead of O(mn)) algorithm. See string/str-two-way.h.