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#70108: 29.1.90; `defalias' and `current-load-list' Date: Sun, 31 Mar 2024 18:46:06 +0300 Message-ID: <8634s6be0x.fsf@gnu.org> References: <87h6gmbek2.fsf@masteringemacs.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="10914"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 70108@debbugs.gnu.org To: Mickey Petersen , Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Mar 31 17:47:13 2024 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 1rqxOr-0002fg-2O for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 31 Mar 2024 17:47:13 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rqxOk-0003qI-MM; Sun, 31 Mar 2024 11:47:06 -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 1rqxOe-0003kQ-Eo for bug-gnu-emacs@gnu.org; Sun, 31 Mar 2024 11:47:00 -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 1rqxOe-0004CA-6g for bug-gnu-emacs@gnu.org; Sun, 31 Mar 2024 11:47:00 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1rqxOg-000116-IM for bug-gnu-emacs@gnu.org; Sun, 31 Mar 2024 11:47:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 31 Mar 2024 15:47:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 70108 X-GNU-PR-Package: emacs Original-Received: via spool by 70108-submit@debbugs.gnu.org id=B70108.17118999823757 (code B ref 70108); Sun, 31 Mar 2024 15:47:02 +0000 Original-Received: (at 70108) by debbugs.gnu.org; 31 Mar 2024 15:46:22 +0000 Original-Received: from localhost ([127.0.0.1]:48280 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1rqxO1-0000yW-QW for submit@debbugs.gnu.org; Sun, 31 Mar 2024 11:46:22 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:43054) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1rqxNz-0000yI-5d for 70108@debbugs.gnu.org; Sun, 31 Mar 2024 11:46:20 -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 1rqxNp-00048P-T5; Sun, 31 Mar 2024 11:46:09 -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=ZKAICsS9JS/a0907hRvCeHcJpbRJnXfbMTaFD6sQHrA=; b=S1xAYCxHwH65 1RhQWjjjtd6feU7n30iW4MjE6LOe27hUTctm54IUMEJ3EZY60YM0xy/a0LONBMfvGLU6Zgh4SpU9b C5m1YYv8hmRhNsamaP1sPNwjbGBgCs3CJ8Y69xs+aVeVnWgMIjS3nwRFDh0KpGvQfZmwVPbKNuToa NQza/mAdD5NopVeQ0PLbyjpVrHmheyDdWOek+zt9JQKm36UYzzG75eB5Mfm0FPBjlwJo042DaDvMU l4OJBuLwOyy7vrpb7vQdMC6Lh7D6dXi+CkhQ4/k5MxjqhRkAzphi9vf/OEPf5js9etgdivMHYwUii EV+PNjuhiN9g8hWs50QhoQ==; In-Reply-To: <87h6gmbek2.fsf@masteringemacs.org> (message from Mickey Petersen on Sun, 31 Mar 2024 16:34:37 +0100) 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:282442 Archived-At: > From: Mickey Petersen > Date: Sun, 31 Mar 2024 16:34:37 +0100 > > Here's a curious one. This is not so much a bug, I think, as a gotcha > and perhaps something that I wouldn't mind understanding a bit better. > > My package creates a number of dynamic commands (think: > tempo/skeletons) to expand text. > > It does so using the common (defalias NAME (lambda () ...)) pattern. > > This obviously goes into the C core where a bunch of stuff takes > place. One of variables that gets updated (somehow) is > `current-load-list'. Curiously, it ends up with duplicate entries. I'm > presuming there is a good reason for this. > > This variable can easily get overrun with identical entries if the > inattentive programmer does not check if it is already bound. > > Due to a screwup on my part, I did not `fboundp' check first, which had the > odd effect of causing incredible slowdowns when I ran my 600+ ERT test > suite. > > I have not narrowed down exactly *why* my ERT suite, when beset by 600 > tests to run in one go, causes the slowdown. What I'm guessing from > how each successive tests slows down, that there is some sort of > non-linear searching going on here, and either `load' (and friends) or > the mere fact that putting more defaliases into the system causes this > slowdown to occur. Adding Stefan.