From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#18522: 24.4.50; mapcar is very slow Date: Sun, 21 Feb 2016 18:14:18 +0200 Message-ID: <834md2niqt.fsf@gnu.org> References: <8738bkdjqg.fsf@micropit.roche-blanche.homenet.org> <87lhp6q2dm.fsf@micropit.roche-blanche.homenet.org> <83vboau92s.fsf@gnu.org> <87mw9fczbo.fsf@micropit.roche-blanche.homenet.org> <87zj8inrnv.fsf@building.gnus.org> <871tltq3j9.fsf@roche-blanche.net> <877fvli0qt.fsf@building.gnus.org> <87bnkb1n9w.fsf@roche-blanche.net> <87wpqh9gm3.fsf@gnus.org> <87io1nnx88.fsf@roche-blanche.net> <87vb5l8en7.fsf@gnus.org> <83wpq1rt5o.fsf@gnu.org> <8737so5neo.fsf@gnus.org> <831t87re7a.fsf@gnu.org> <87bn7b3hnz.fsf@roche-blanche.net> <83lh6fpv4z.fsf@gnu.org> <87h9h2xr9k.fsf@roche-blanche.net> <56C99AD0.2000309@gmx.at> <87wppywbaz.fsf@roche-blanche.net> <87d1rquo4a.fsf@roche-blanche.net> <878u2eun9o.fsf@roche-blanche.net> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Trace: ger.gmane.org 1456071322 20176 80.91.229.3 (21 Feb 2016 16:15:22 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 21 Feb 2016 16:15:22 +0000 (UTC) Cc: larsi@gnus.org, 18522@debbugs.gnu.org To: Peter =?UTF-8?Q?M=C3=BCnster?= Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Feb 21 17:15:11 2016 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1aXWf9-0007KY-AL for geb-bug-gnu-emacs@m.gmane.org; Sun, 21 Feb 2016 17:15:11 +0100 Original-Received: from localhost ([::1]:42160 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aXWf8-0000UZ-E5 for geb-bug-gnu-emacs@m.gmane.org; Sun, 21 Feb 2016 11:15:10 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:38297) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aXWf1-0000S8-5C for bug-gnu-emacs@gnu.org; Sun, 21 Feb 2016 11:15:07 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aXWf0-0004k9-8c for bug-gnu-emacs@gnu.org; Sun, 21 Feb 2016 11:15:03 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:39390) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aXWf0-0004k5-5I for bug-gnu-emacs@gnu.org; Sun, 21 Feb 2016 11:15:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84) (envelope-from ) id 1aXWez-0007I9-Mm; Sun, 21 Feb 2016 11:15:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org, bugs@gnus.org Resent-Date: Sun, 21 Feb 2016 16:15:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 18522 X-GNU-PR-Package: emacs,gnus X-GNU-PR-Keywords: Original-Received: via spool by 18522-submit@debbugs.gnu.org id=B18522.145607128427990 (code B ref 18522); Sun, 21 Feb 2016 16:15:01 +0000 Original-Received: (at 18522) by debbugs.gnu.org; 21 Feb 2016 16:14:44 +0000 Original-Received: from localhost ([127.0.0.1]:36516 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aXWei-0007HO-G2 for submit@debbugs.gnu.org; Sun, 21 Feb 2016 11:14:44 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:47241) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aXWeg-0007HB-N0 for 18522@debbugs.gnu.org; Sun, 21 Feb 2016 11:14:43 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aXWeX-0004hR-FQ for 18522@debbugs.gnu.org; Sun, 21 Feb 2016 11:14:37 -0500 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:37015) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aXWeX-0004hN-Bj; Sun, 21 Feb 2016 11:14:33 -0500 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:4094 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.82) (envelope-from ) id 1aXWeU-0003pH-1Q; Sun, 21 Feb 2016 11:14:31 -0500 In-reply-to: <878u2eun9o.fsf@roche-blanche.net> (message from Peter =?UTF-8?Q?M=C3=BCnster?= on Sun, 21 Feb 2016 15:54:43 +0100) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] 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-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:113416 Archived-At: > From: Peter Münster > Cc: Eli Zaretskii , larsi@gnus.org, 18522@debbugs.gnu.org > Date: Sun, 21 Feb 2016 15:54:43 +0100 > > Sorry, I was wrong. The problem seems to be the binding of > case-fold-search: > > (defun my-parse-time-string-test () > (let (case-fold-search) > t)) > > (let ((gc-cons-threshold most-positive-fixnum)) > (benchmark-run 1 > (dotimes (i 100000) (my-parse-time-string-test)))) > > Fast emacs: (0.054105733 0 0.0) > Slow emacs: (1.754813882 0 0.0) Does this happen only with this particular symbol, or binding any symbol slows down?