From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: David Engster Newsgroups: gmane.emacs.devel Subject: Re: Semantic font-lock for Java Date: Fri, 24 Jan 2020 18:00:02 +0100 Message-ID: <87tv4kyelp.fsf@randomsample> References: <83eevsx1eh.fsf@gnu.org> <83wo9jtncf.fsf@gnu.org> <83iml1s3od.fsf@gnu.org> <83k15grflg.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="91550"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) Cc: emacs-devel@gnu.org, Anand Tamariya To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri Jan 24 18:04:03 2020 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1iv2NH-000Nlx-1k for ged-emacs-devel@m.gmane-mx.org; Fri, 24 Jan 2020 18:04:03 +0100 Original-Received: from localhost ([::1]:45336 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iv2NG-00086C-2v for ged-emacs-devel@m.gmane-mx.org; Fri, 24 Jan 2020 12:04:02 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:47047) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iv2Jn-0003Lo-8B for emacs-devel@gnu.org; Fri, 24 Jan 2020 12:00:33 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iv2Jl-0006Vs-Pb for emacs-devel@gnu.org; Fri, 24 Jan 2020 12:00:26 -0500 Original-Received: from randomsample.de ([5.45.97.173]:41050) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1iv2Jl-0006QC-Bo; Fri, 24 Jan 2020 12:00:25 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=randomsample.de; s=a; h=Content-Type:MIME-Version:Message-ID:Date:References:In-Reply-To:Subject:Cc:To:From; bh=v2TM9B5MS0xvzY/h3FGGbIcgRVC69usZL/8Wdab1CQE=; b=fIkWU59rMCKYUyC8w+UkUngJxY9RoVVEG5rMoEIpskI6VbanYtiz1SpMqZ8ekIzCJL2Uk44SO0M8ZFXFzQvx4QuaZViOog+VmWftQAkCzmaAXKT8/kKH2VDVdSWq5p4F; Original-Received: from ip5f5abab0.dynamic.kabel-deutschland.de ([95.90.186.176] helo=void) by randomsample.de with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.80) (envelope-from ) id 1iv2Jd-0000a9-LM; Fri, 24 Jan 2020 18:00:17 +0100 In-Reply-To: <83k15grflg.fsf@gnu.org> (Eli Zaretskii's message of "Fri, 24 Jan 2020 18:20:27 +0200") X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 5.45.97.173 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:244580 Archived-At: >> From: Anand Tamariya >> Date: Fri, 24 Jan 2020 21:45:55 +0530 >> Cc: emacs-devel@gnu.org > >> >> > * Off GCs: 0 Elapsed time: 0.840946 seconds >> > * Custom GCs: 0 Elapsed time: 1.172106 seconds >> > * Builin GCs: 1 Elapsed time: 0.991606 seconds >> >> I'm not sure I understand these results. What does each line >> represent? Did you run the same benchmark with the default font-lock >> and with your modifications, and if so, which of these lines shows >> results for what variant of font-lock? >> >> Off - Refers to when font-lock is disabled >> Custom - Refers to when my "extract" function is doing the fontification >> Builtin - Refers to jit-lock mode as that's the default for font-lock mode > > So we are talking about a 17% slow-down? Not bad. Yes, but to be fair, this does not include the initial parsing by Semantic/Wisent/Bovine. This is usually done for the whole buffer when Emacs is idle, and not during scrolling. -David