From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Michal Nazarewicz Newsgroups: gmane.emacs.bugs Subject: bug#24603: [RFC 16/18] Refactor character class checking; optimise ASCII case Date: Thu, 22 Dec 2016 15:02:19 +0100 Organization: http://mina86.com/ Message-ID: References: <1475543441-10493-1-git-send-email-mina86@mina86.com> <1475543441-10493-16-git-send-email-mina86@mina86.com> <837f9oo8q3.fsf@gnu.org> <83k2cgiea2.fsf@gnu.org> <83r352368n.fsf@gnu.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Trace: blaine.gmane.org 1482415406 7765 195.159.176.226 (22 Dec 2016 14:03:26 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Thu, 22 Dec 2016 14:03:26 +0000 (UTC) User-Agent: Notmuch/0.19+53~g2e63a09 (http://notmuchmail.org) Emacs/26.0.50.2 (x86_64-unknown-linux-gnu) Cc: 24603@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Dec 22 15:03:22 2016 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cK3xl-0000ys-LS for geb-bug-gnu-emacs@m.gmane.org; Thu, 22 Dec 2016 15:03:17 +0100 Original-Received: from localhost ([::1]:34392 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cK3xq-0000bj-2f for geb-bug-gnu-emacs@m.gmane.org; Thu, 22 Dec 2016 09:03:22 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:47646) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cK3xa-0000Wy-Db for bug-gnu-emacs@gnu.org; Thu, 22 Dec 2016 09:03:12 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cK3xW-0005Ky-WB for bug-gnu-emacs@gnu.org; Thu, 22 Dec 2016 09:03:06 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:35611) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1cK3xW-0005Kd-SY for bug-gnu-emacs@gnu.org; Thu, 22 Dec 2016 09:03:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1cK3xV-00053H-Ly for bug-gnu-emacs@gnu.org; Thu, 22 Dec 2016 09:03:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Michal Nazarewicz Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 22 Dec 2016 14:03:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 24603 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: patch Original-Received: via spool by 24603-submit@debbugs.gnu.org id=B24603.148241534819374 (code B ref 24603); Thu, 22 Dec 2016 14:03:01 +0000 Original-Received: (at 24603) by debbugs.gnu.org; 22 Dec 2016 14:02:28 +0000 Original-Received: from localhost ([127.0.0.1]:51010 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cK3wy-00052Q-Me for submit@debbugs.gnu.org; Thu, 22 Dec 2016 09:02:28 -0500 Original-Received: from mail-lf0-f46.google.com ([209.85.215.46]:33102) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cK3wx-00052C-MY for 24603@debbugs.gnu.org; Thu, 22 Dec 2016 09:02:28 -0500 Original-Received: by mail-lf0-f46.google.com with SMTP id c13so119554651lfg.0 for <24603@debbugs.gnu.org>; Thu, 22 Dec 2016 06:02:27 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:from:to:cc:subject:in-reply-to:organization:references :user-agent:face:date:message-id:mime-version :content-transfer-encoding; bh=td2lGTWXOk0B8mf2gh9ZL4clhn3w+Qp9tJ3GlxHT1yQ=; b=CWGW3dUo8rjnl3YmGw0rKoa8YxqZ+3S5DO5UXjcefGHg0318Fn3/C9UheCL38xk5zH drYeZr7NZgtwVApI2yKAYat+Jprnj+IDNGRBpGRaSnfAC6/tEhjcmflZu5E2PaiXBThO K1W2xkA/2PJJ8GE8onI0cWuWvKqI60N/o0qfpxklQJkffNbGdOnG/IsGKBT5HTqCDfuh YA22sS20l+7IdjZ94mOXpl600iSh8GPjLjRh57wFbAp06fImjtpN9akLCavEEpRO69P7 RXi8rhvwjh/4fqR7NxOI3ZFOFOLM1Mw3xS9HGwQ76xTLRTOrtZJDn0efEXbqdyrPQ+ZP hbbw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:in-reply-to :organization:references:user-agent:face:date:message-id :mime-version:content-transfer-encoding; bh=td2lGTWXOk0B8mf2gh9ZL4clhn3w+Qp9tJ3GlxHT1yQ=; b=PdT5a+bJrE2AVbNvQCTjskEhdfwYg/OmYlzSIxHTrn6RtatjLaa+zb8INAfWy+zt8A OqkkoOG6d8/fs5e9cHOksC6ccjyKwYiCr8WUm9Q9cxkNZLBp3TqcQmh9jG8CxpNB2bmJ CedCj15eSA1py7Aiuxs/mX92bO8Zlz+8c/hb8hMiMPxD1+jE2jPsx2N2FpLIsg+52HsO 8rjlaTOO1ZI2lOLNxQ6cHFS9qW+YUm8pJ6INqqa7iQ+zdlWiY3DfsmBEiEPFIqbZ/1QR CbQIi+df/6S/8Jf6tQZFX/+zSK5bJUhgELG9Gmq0s7BUMtOauH8o8ig5LFeKgEhCKqHw 5fhw== X-Gm-Message-State: AIkVDXLb/LhedadtBR3Dz4KHIfxDjMYT85uGzcWG35fTEV9dkxyLjHgQJSiXMr7PWs1CXl0q X-Received: by 10.25.221.130 with SMTP id w2mr2414995lfi.141.1482415341116; Thu, 22 Dec 2016 06:02:21 -0800 (PST) Original-Received: from mpn-glaptop (87-205-255-70.adsl.inetia.pl. [87.205.255.70]) by smtp.gmail.com with ESMTPSA id z2sm7029978lja.10.2016.12.22.06.02.19 (version=TLS1_2 cipher=AES128-SHA bits=128/128); Thu, 22 Dec 2016 06:02:20 -0800 (PST) In-Reply-To: <83r352368n.fsf@gnu.org> Face: 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 fIcDM5yOG8GcTLbOyp8A8azjJI93JFd1EA6yN8sSxMQJWoABqniRZVykYgRXErzrdqExAoUrRb0xfRp8p2A/4XmfilTtkDZ4cAAAAASUVORK5CYII= X-Face: -TR8(rDTHy/(xl?SfWd1|3:TTgDIatE^t'vop%*gVg[kn$t{EpK(P"VQ=~T2#ysNmJKN$"yTRLB4YQs$4{[.]Fc1)*O]3+XO^oXM>Q#b^ix, O)Zbn)q[y06$`e3?C)`CwR9y5riE=fv^X@x$y?D:XO6L&x4f-}}I4=VRNwiA^t1-ZrVK^07.Pi/57c_du'& X-PGP: 50751FF4 X-PGP-FP: AC1F 5F5C D418 88F8 CC84 5858 2060 4012 5075 1FF4 X-Hashcash: 1:20:161222:24603@debbugs.gnu.org::N2rtpkABqWOhDjh3:00000000000000000000000000000000000000004MKN X-Hashcash: 1:20:161222:eliz@gnu.org::ql05rDS6w+3pfNBc:000005HBz X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:127324 Archived-At: On Tue, Dec 20 2016, Eli Zaretskii wrote: >> From: Michal Nazarewicz >> Cc: 24603@debbugs.gnu.org >> Date: Tue, 20 Dec 2016 15:32:27 +0100 >>=20 >> As can be seen, [[:graph:]] slows-down by almost 28% :( and I don=E2=80= =99t >> quite understand where all that can come from. > > If no ideas come up, perhaps run this under perf? Yes, that=E2=80=99s what I=E2=80=99m trying to do. It gets a bit convoluted since the benchmark attempts to test C code with Elisp code which adds various superfluous entries in the profile (e.g. Finotify_valid_p takes third of the time but I doubt it has anything to do with character class matching). On top of that, the generated gmon.out doesn=E2=80=99t include call traces = which makes it harder to track what is actually going on. But hopefully I=E2=80=99ll figure something out. --=20 Best regards =E3=83=9F=E3=83=8F=E3=82=A6 =E2=80=9C=F0=9D=93=B6=F0=9D=93=B2=F0=9D=93=B7= =F0=9D=93=AA86=E2=80=9D =E3=83=8A=E3=82=B6=E3=83=AC=E3=83=B4=E3=82=A4=E3=83= =84 =C2=ABIf at first you don=E2=80=99t succeed, give up skydiving=C2=BB