From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.bugs Subject: bug#37321: 27.0.50; Excessive gc in a use case (el-search) Date: Mon, 16 Sep 2019 17:55:56 -0700 Organization: UCLA Computer Science Department Message-ID: <6bd7ae54-947d-1698-6a98-e3bcf76afa7c@cs.ucla.edu> References: <87lfv1pm5x.fsf@web.de> <874l1mc01w.fsf@web.de> <87woeidd4g.fsf@web.de> <733d0142-51ee-55df-de0c-cca7c989b370@cs.ucla.edu> <87r24flrwp.fsf@web.de> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="239655"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.1.0 Cc: 37321@debbugs.gnu.org To: Michael Heerdegen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Sep 17 02:57:11 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1iA1nr-0010G4-MK for geb-bug-gnu-emacs@m.gmane.org; Tue, 17 Sep 2019 02:57:11 +0200 Original-Received: from localhost ([::1]:41002 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iA1nq-0007dt-Iv for geb-bug-gnu-emacs@m.gmane.org; Mon, 16 Sep 2019 20:57:10 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:60250) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iA1nj-0007cc-GZ for bug-gnu-emacs@gnu.org; Mon, 16 Sep 2019 20:57:04 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iA1ni-00028k-FD for bug-gnu-emacs@gnu.org; Mon, 16 Sep 2019 20:57:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:42571) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1iA1nh-00028J-Pg for bug-gnu-emacs@gnu.org; Mon, 16 Sep 2019 20:57:01 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1iA1nh-0003Fd-Lz for bug-gnu-emacs@gnu.org; Mon, 16 Sep 2019 20:57:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Paul Eggert Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 17 Sep 2019 00:57:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 37321 X-GNU-PR-Package: emacs Original-Received: via spool by 37321-submit@debbugs.gnu.org id=B37321.156868176712433 (code B ref 37321); Tue, 17 Sep 2019 00:57:01 +0000 Original-Received: (at 37321) by debbugs.gnu.org; 17 Sep 2019 00:56:07 +0000 Original-Received: from localhost ([127.0.0.1]:51390 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iA1mo-0003ET-VU for submit@debbugs.gnu.org; Mon, 16 Sep 2019 20:56:07 -0400 Original-Received: from zimbra.cs.ucla.edu ([131.179.128.68]:35804) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iA1mm-0003Dw-F0 for 37321@debbugs.gnu.org; Mon, 16 Sep 2019 20:56:05 -0400 Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id E4495160228; Mon, 16 Sep 2019 17:55:57 -0700 (PDT) Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id jamsnYBa3VJq; Mon, 16 Sep 2019 17:55:57 -0700 (PDT) Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 2B1FF16022A; Mon, 16 Sep 2019 17:55:57 -0700 (PDT) X-Virus-Scanned: amavisd-new at zimbra.cs.ucla.edu Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id jjIyOX-iDHGv; Mon, 16 Sep 2019 17:55:57 -0700 (PDT) Original-Received: from Penguin.CS.UCLA.EDU (Penguin.CS.UCLA.EDU [131.179.64.200]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id 0F26D160228; Mon, 16 Sep 2019 17:55:57 -0700 (PDT) In-Reply-To: <87r24flrwp.fsf@web.de> Content-Language: en-US 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: 209.51.188.43 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:166607 Archived-At: On 9/16/19 4:53 PM, Michael Heerdegen wrote: > For el-searches, yes, I did. But the amounts of time spent were > distributed quite evenly between different things, I could not identify > a culprit. It looked more like everything got proportionally slower. That doesn't sound good. Can you identify which commit did that, if any? > When I use a hash-table that associates the N elements with t > instead, and use gethash as member test, do I produce less garbage? Hard to say, but you can use (memory-use-counts) to estimate how much garbage you're creating, since it counts all uses whereas (garbage-collect) counts only live uses. There's also memory profiling, as opposed to CPU profiling.