From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Michael Heerdegen Newsgroups: gmane.emacs.bugs Subject: bug#37321: 27.0.50; Excessive gc in a use case (el-search) Date: Tue, 08 Oct 2019 13:12:29 +0200 Message-ID: <87pnj7xzhe.fsf@web.de> References: <87lfv1pm5x.fsf@web.de> <874l1mc01w.fsf@web.de> <87woeidd4g.fsf@web.de> <733d0142-51ee-55df-de0c-cca7c989b370@cs.ucla.edu> <875zlgu2y8.fsf@web.de> <6d670180-e2ee-030f-ef0e-ad0c5c7a8ef5@cs.ucla.edu> <87tv8zs2r9.fsf@web.de> <83tv8zl0es.fsf@gnu.org> <87sgo3typ1.fsf@web.de> <83o8yry56c.fsf@gnu.org> <87lftvzjmr.fsf@web.de> <83k19fy4p7.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="203157"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) Cc: eggert@cs.ucla.edu, 37321@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Oct 08 13:13:38 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 1iHnQw-000qi5-Ek for geb-bug-gnu-emacs@m.gmane.org; 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Tue, 08 Oct 2019 07:13:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Michael Heerdegen Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 08 Oct 2019 11:13:02 +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=B37321.157053317128326 (code B ref 37321); Tue, 08 Oct 2019 11:13:02 +0000 Original-Received: (at 37321) by debbugs.gnu.org; 8 Oct 2019 11:12:51 +0000 Original-Received: from localhost ([127.0.0.1]:49628 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iHnQB-0007Mo-4r for submit@debbugs.gnu.org; Tue, 08 Oct 2019 07:12:51 -0400 Original-Received: from mout.web.de ([212.227.17.12]:45237) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iHnQ9-0007Mb-My for 37321@debbugs.gnu.org; Tue, 08 Oct 2019 07:12:50 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=dbaedf251592; t=1570533145; bh=NlbcYsoO0Yt1Z5/5dpy6YxEU9Giyc45PKgxInjKUTU0=; h=X-UI-Sender-Class:From:To:Cc:Subject:References:Date:In-Reply-To; b=eUy4WRnuEvYct+NoEIanBjtbt2RsH8JOXDBKZ/PwORLuRvMz06CQsORoAYjenA/c8 9WjLBEWq9QiFGVHDjpTyseNFRLjrhpOvV3XgPyBt9gHvjUFvEmz8JtPqfL0/UM/J3+ 2qGFWIubTpQluI+A77dUFdISvIAt9lJHEvjQQVQw= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Original-Received: from drachen.dragon ([94.218.185.16]) by smtp.web.de (mrweb102 [213.165.67.124]) with ESMTPSA (Nemesis) id 0MBCNl-1iPjNU31gD-00ABia; Tue, 08 Oct 2019 13:12:25 +0200 In-Reply-To: <83k19fy4p7.fsf@gnu.org> (Eli Zaretskii's message of "Tue, 08 Oct 2019 12:19:48 +0300") X-Provags-ID: V03:K1:zkkZpewzy7UW6JKsVfcB2/LB7rmDIWsqF7mEY5EFqAvdjPRr7tq lAp6w35b2TAqkDQiJrj1zoIF+FXlqf87zc6MqScVgHHpHm31JBcGnZFJvGPhKFCYHzv6zcP tggZ+nwHUWU+ZSo0ROi0u8in7LKWxbsQwSLq/rEy0L0J7gd5qmZCN3z9HAviZYiVz4gy2xq ky/TFLPM61kVVEa0JSM6w== X-UI-Out-Filterresults: notjunk:1;V03:K0:4cZMm5C+CJU=:/zf00hezZ2BvfGhtyRVnGp yFmkvYq2z2RnRC6gV8RJ6Ysx9S5dOSWLoCYwgd8wfMNvRi7q0QshbT8BnsQsYBGUZeQXAcxGV atDLsr9YGFHSI0AmLhlpPWFVNfdsKC1z0mypBRGVIWD+FQD66aqrGq+slpBANW8RG+OSKOD/v 3HeMgH8iBXvhX+yLkDM1nWWjtdpY9fcBb9CaHyAoC/+RQJN6tNweqwvAEqdgNRMDRaJFPKEv0 KEaqm2K22ABaXVEZ8y5t/u77qvSWmR6unzdejENry5m4Z30IQY92hkWIuUtU82ozS3ReG70Rq 4NHsnY5jsbvIfD1nB506Xts/JcvSukftEnlZwqE+M2PK0hFYz1WwFMj7knP+yxuitA8iwxC7f pJ6exnRfBWWe45satKk+s5bLoUCN+sxcLIGjglscLW/QQQofVp/XxQZ/+ufNbYV1N+hEnfHQY gwJXG+zXkbXzumaomPLfky7ZxXH/Xct1Mp6bg4J1IqRd1KN2nfVO87418WWPZiEIAo4PQEe6+ ENijkK4jYGStAhUo7BmS0pZAAgzlN0kGTWfsF6hDpQUPGUerXCEjr3LYTXXt5MPkG41A2czHQ xWhclyC0rjx3+7Ble8UQJAo5kE7tE8LrI9glok2XhzJPV/hcL8o+HcGfw6DV7B+Guk/brz7fd jWGSyigSMkd1y4L9u8BekplZeUF/4uML0eMWfUIUIFaPkMC57XO+pk8AYdiX2vcgB6bU09qE6 VcT0zK3sZIfhUnFKb0nL5gbSE3Y1jost4S/nwFi2dreYp2LdkNieq+1lNXUFYXSVKscE7tLO 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:168632 Archived-At: Eli Zaretskii writes: > Start with 4 times the default. If that's not enough, double the > value until you are satisfied, and tell what was the final value. I leave it to you to interpret the result (can we expect that other use cases have a similar optimum?): My current setup (setq gc-cons-percentage .8) 52.331413s (7.141519s in 20 GCs) Default: (setq gc-cons-threshold 800000) 87.626289s (41.526705s in 269 GCs) (setq gc-cons-threshold (* 800000 2)) 86.213154s (40.132441s in 267 GCs) (setq gc-cons-threshold (* 800000 4)) 87.422085s (40.967298s in 267 GCs) (setq gc-cons-threshold (* 800000 8)) 84.519948s (38.535352s in 245 GCs) (setq gc-cons-threshold (* 800000 16)) 81.596529s (34.603730s in 193 GCs) (setq gc-cons-threshold (* 800000 32)) 70.866717s (24.850518s in 123 GCs) (setq gc-cons-threshold (* 800000 64)) 61.893515s (14.088496s in 63 GCs) (setq gc-cons-threshold (* 800000 128)) 56.277259s (8.122554s in 32 GCs) (setq gc-cons-threshold (* 800000 256)) 55.173263s (6.067774s in 17 GCs) (setq gc-cons-threshold (* 800000 512)) 56.116736s (8.825274s in 9 GCs) (setq gc-cons-threshold (* 800000 1024)) 70.832969s (19.474471s in 5 GCs) Regards, Michael.