From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#65250: 30.0.50; "C-h f" is much slower on the master branch Date: Sat, 12 Aug 2023 20:23:39 +0300 Message-ID: <83350odvj8.fsf@gnu.org> References: <838ragdzw5.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="4143"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 65250@debbugs.gnu.org To: Andrea Corallo Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Aug 12 19:24:12 2023 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1qUsLT-0000qO-SP for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 12 Aug 2023 19:24:11 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qUsLM-0003kD-0r; Sat, 12 Aug 2023 13:24:04 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qUsLK-0003k5-Kn for bug-gnu-emacs@gnu.org; Sat, 12 Aug 2023 13:24:02 -0400 Original-Received: from debbugs.gnu.org ([2001:470:142:5::43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qUsLK-0006F2-ET for bug-gnu-emacs@gnu.org; Sat, 12 Aug 2023 13:24:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1qUsLK-0002p1-9q for bug-gnu-emacs@gnu.org; Sat, 12 Aug 2023 13:24:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 12 Aug 2023 17:24:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 65250 X-GNU-PR-Package: emacs Original-Received: via spool by 65250-submit@debbugs.gnu.org id=B65250.169186099410776 (code B ref 65250); Sat, 12 Aug 2023 17:24:02 +0000 Original-Received: (at 65250) by debbugs.gnu.org; 12 Aug 2023 17:23:14 +0000 Original-Received: from localhost ([127.0.0.1]:56769 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1qUsKX-0002nk-Ky for submit@debbugs.gnu.org; Sat, 12 Aug 2023 13:23:13 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:46836) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1qUsKW-0002nU-Fa for 65250@debbugs.gnu.org; Sat, 12 Aug 2023 13:23:12 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qUsKR-00063k-AS for 65250@debbugs.gnu.org; Sat, 12 Aug 2023 13:23:07 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=/HMcYDQJJOryXQKWCYbf70ksojbODCR/F7yBxXDdOZ8=; b=RpMf5yDKB3Ok i9YH1ZHW+1oJsBd0s3ZplamQ97qcbWoUorSkrmIqfilZfGysNORmhiKVzpJJhDTfv6WTI81SICQdy J2e/MLbbKUsshtDrizyND29mI/Qo/SqYjNCvvGKbNAyvJZ/6AV455vZIknYrZSwyFp/ayp9qOjG9k UkdHToFoIjoIvv3t4mlXmyGJptZeBCOd1eNZGFFJlP3brikcZqUG85+uAP4gEqyzxbXIqdwOoH1G6 Jfbklj6HvGz/hNQE2jM93/SyW0lERRhWlkaBcfYKSxAY3UkOEO5lJHTKH/zKyXL9v8gqpSahTmzEP zPH/hkYQQsQRom24IYe2/g==; In-Reply-To: (message from Andrea Corallo on Sat, 12 Aug 2023 12:57:27 -0400) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:267322 Archived-At: > From: Andrea Corallo > Cc: 65250@debbugs.gnu.org > Date: Sat, 12 Aug 2023 12:57:27 -0400 > > Eli Zaretskii writes: > > > To reproduce: > > > > emacs -Q > > C-h f dictionary-search RET > > > > (almost any other function will do, I think). > > > > This takes a whopping 6.6 sec of CPU on master, vs 2.4 sec on the > > emacs-29 branch. These are both unoptimized builds, but even so, > > 6.6 seconds of CPU time for looking up a doc string of a function > > is too much, I think. > > > > The patch below fixes the problem in a build without > > native-compilation, but won't help in a build with native-compilation. > > I wonder why comp-function-type-spec is so expensive? > > Hi Eli, > > can't look at this now, will do on Monday and report. Thanks, this is on master, so not very urgent.