From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Lars Ingebrigtsen Newsgroups: gmane.emacs.bugs Subject: bug#18522: 24.4.50; mapcar is very slow Date: Fri, 19 Feb 2016 16:15:08 +1100 Message-ID: <87vb5l8en7.fsf@gnus.org> References: <8738bkdjqg.fsf@micropit.roche-blanche.homenet.org> <87mw9rdawj.fsf@micropit.roche-blanche.homenet.org> <87wq8ridqz.fsf@micropit.roche-blanche.homenet.org> <831tqyvph5.fsf@gnu.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> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: ger.gmane.org 1455858986 3350 80.91.229.3 (19 Feb 2016 05:16:26 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 19 Feb 2016 05:16:26 +0000 (UTC) Cc: 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 Fri Feb 19 06:16:15 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 1aWdQL-0007AJ-Oa for geb-bug-gnu-emacs@m.gmane.org; Fri, 19 Feb 2016 06:16:13 +0100 Original-Received: from localhost ([::1]:48563 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aWdQK-0003zy-L6 for geb-bug-gnu-emacs@m.gmane.org; Fri, 19 Feb 2016 00:16:12 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:45017) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aWdQF-0003v0-TU for bug-gnu-emacs@gnu.org; Fri, 19 Feb 2016 00:16:08 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aWdQA-0006mI-S4 for bug-gnu-emacs@gnu.org; Fri, 19 Feb 2016 00:16:07 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:36264) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aWdQA-0006mA-OY for bug-gnu-emacs@gnu.org; Fri, 19 Feb 2016 00:16:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84) (envelope-from ) id 1aWdQA-0000n3-HW; Fri, 19 Feb 2016 00:16:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Lars Ingebrigtsen Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org, bugs@gnus.org Resent-Date: Fri, 19 Feb 2016 05:16:02 +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=B18522.14558589381688 (code B ref 18522); Fri, 19 Feb 2016 05:16:02 +0000 Original-Received: (at 18522) by debbugs.gnu.org; 19 Feb 2016 05:15:38 +0000 Original-Received: from localhost ([127.0.0.1]:33390 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aWdPm-0000Qp-4W for submit@debbugs.gnu.org; Fri, 19 Feb 2016 00:15:38 -0500 Original-Received: from hermes.netfonds.no ([80.91.224.195]:46057) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aWdPl-0000PP-0x for 18522@debbugs.gnu.org; Fri, 19 Feb 2016 00:15:37 -0500 Original-Received: from 203-174-152-162.cust.static-ipl.aapt.com.au ([203.174.152.162] helo=mouse) by hermes.netfonds.no with esmtpsa (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.72) (envelope-from ) id 1aWdPN-0003NM-0l; Fri, 19 Feb 2016 06:15:13 +0100 In-Reply-To: <87io1nnx88.fsf@roche-blanche.net> ("Peter \=\?iso-8859-1\?Q\?M\?\= \=\?iso-8859-1\?Q\?\=FCnster\=22's\?\= message of "Wed, 17 Feb 2016 17:00:07 +0100") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (gnu/linux) X-MailScanner-ID: 1aWdPN-0003NM-0l MailScanner-NULL-Check: 1456463714.79681@jiNgNeIicK4pj06w/sTD9Q 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:113266 Archived-At: Peter M=FCnster writes: >> (benchmark-run 1 >> (dotimes (i 10000) >> (parse-time-string "Fri, 13 Feb 2015 14:40:02 +0000"))) >> >> run faster in a newly started Emacs than in one that has been running >> for a long time? > > Hi Lars, > > It becomes slower and slower: [...] > after 1 day uptime: > (3.744592118 19 1.5007945239999572) > (3.741772863 19 1.5062292100001287) > (3.744434861 19 1.4990475370001377) > > after 2 days uptime: > (5.104874753 18 1.5796559729999444) > (5.244741606 20 1.7344523149997713) > (5.166454389 19 1.6512688520001575) > > after 3 days uptime: > (7.111809223 17 1.6411146469995401) > (7.200519214 17 1.6629621439999482) > (7.086889831 18 1.7155860500001836) Cool! Then at least we've found the culprit. :-) Now we just have to find out why. Does anybody have any idea? Could somebody else also try running the benchmark form up there in a newly started Emacs and one that's been running for a while to see if they can reproduce this bug? --=20 (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no