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#70686: 30.0.50; cl--position is slow Date: Wed, 01 May 2024 14:59:47 +0300 Message-ID: <86bk5ppwss.fsf@gnu.org> References: <87y18uwgsk.fsf@gmail.com> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="39795"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 70686@debbugs.gnu.org To: No Wayman Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed May 01 14:01:12 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 1s28e7-000AA3-Ic for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 01 May 2024 14:01:11 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s28dg-00040x-Q5; Wed, 01 May 2024 08:00:44 -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 1s28dd-0003zC-FL for bug-gnu-emacs@gnu.org; Wed, 01 May 2024 08:00:41 -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 1s28dd-00039R-70 for bug-gnu-emacs@gnu.org; Wed, 01 May 2024 08:00:41 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1s28dy-0003Do-8I for bug-gnu-emacs@gnu.org; Wed, 01 May 2024 08:01:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 01 May 2024 12:01:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 70686 X-GNU-PR-Package: emacs Original-Received: via spool by 70686-submit@debbugs.gnu.org id=B70686.171456482312363 (code B ref 70686); Wed, 01 May 2024 12:01:02 +0000 Original-Received: (at 70686) by debbugs.gnu.org; 1 May 2024 12:00:23 +0000 Original-Received: from localhost ([127.0.0.1]:37096 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1s28dK-0003DL-W8 for submit@debbugs.gnu.org; Wed, 01 May 2024 08:00:23 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:54596) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1s28dF-0003D8-O5 for 70686@debbugs.gnu.org; Wed, 01 May 2024 08:00:21 -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 1s28co-0002eW-Sm; Wed, 01 May 2024 07:59:50 -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=sL8Z1BhC7/DhibTgkqpkib8jkqMiXHWNh/Tqe2F2Dok=; b=GZqfORQ+LTqs db6/t/Mk6gc47bstw4793WisxZc09XhCHOYyezY8XyFtf6OJdNpo3+MUbB1E1dCbtXoBVSJwSVAza oUPVcqHE7abNF4SfVDp/StDckRcGUClY1JucyGBznOWAub1LevU6C0PJuGc3cZWA/WhYZ4sT+Ekse /ho4vLJvkSDSgr05SkCyZ8jy3MsIXAucw5NpqaR2fIXGoIY9aooB2QmAgVPln0yXzQoxvdSIgY96n VfbzKg5bkBuqT0tFy5IbkRw5Kn9o8QLKj5QYA4pfVLEmpGkBEHBxxF1mCACxsPZgGx0oLQ4hq/n2g jV4lbH40EFmmCJg3UxkN2g==; In-Reply-To: <87y18uwgsk.fsf@gmail.com> (message from No Wayman on Tue, 30 Apr 2024 19:51:23 -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:284246 Archived-At: > From: No Wayman > Date: Tue, 30 Apr 2024 19:51:23 -0400 > > > I've recently been avoiding cl-position, cl-remove-duplicates, and any other functions which use it internally. I realize there's a performance trade-off in for the flexibility such functions provide, but it may be worth investigating cl--position in particular. Today I replaced an instance of cl-remove-duplicates with an equivalent cl-loop for a 15x performance improvement at the cost of 2 lines of code. Not sure why is this a bug report. If cl-position is too slow for your application, you can always use something else, something that is less generic and more tailored to your specific sequence type(s), no?