From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Michael Albinus Newsgroups: gmane.emacs.bugs Subject: bug#64735: 29.0.92; find invocations are ~15x slower because of ignores Date: Sun, 23 Jul 2023 13:50:20 +0200 Message-ID: <871qgyzw1v.fsf@gmx.de> References: <1fd5e3ed-e1c3-5d6e-897f-1d5d55e379fa@gutov.dev> <87wmyupvlw.fsf@localhost> <5c4d9bea-3eb9-b262-138a-4ea0cb203436@gutov.dev> <87tttypp2e.fsf@localhost> <837cqu35lw.fsf@gnu.org> <87o7k6pmk3.fsf@localhost> <834jly351p.fsf@gnu.org> <87lefapkdx.fsf@localhost> <831qh230h5.fsf@gnu.org> <87wmyu8mi0.fsf@localhost> <83wmyu1l1k.fsf@gnu.org> <87ttty8l73.fsf@localhost> <6f55b301-7610-ee4a-996e-fc6a8db33c33@gutov.dev> <87y1j9l8u2.fsf@localhost> <0c6f4daf-ea8a-0636-1b51-f4640ff39834@gutov.dev> <87jzutl76e.fsf@localhost> <87h6pxl6m4.fsf@localhost> <87pm4jrxra.fsf@localhost> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="34736"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: Dmitry Gutov , Eli Zaretskii , 64735@debbugs.gnu.org, sbaugh@janestreet.com To: Ihor Radchenko Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Jul 23 13:51:13 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 1qNXcH-0008kt-8c for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 23 Jul 2023 13:51:13 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qNXc8-0003Qs-JB; Sun, 23 Jul 2023 07:51:04 -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 1qNXc6-0003Qe-VT for bug-gnu-emacs@gnu.org; Sun, 23 Jul 2023 07:51:02 -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 1qNXc6-0002bE-Lv for bug-gnu-emacs@gnu.org; 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Sun, 23 Jul 2023 07:50:37 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.de; s=s31663417; t=1690113022; x=1690717822; i=michael.albinus@gmx.de; bh=CDK8rNQ8n+aCQFo8/XW6B1venrAIDbQIy7cmMh/3a+0=; h=X-UI-Sender-Class:From:To:Cc:Subject:In-Reply-To:References:Date; b=kl+A/mW29FcsTFfZ3LEKCrhG7LjYOQ0bND4UzD+bFr8BhW+9tSniW+yrVYU1SBhyrWFwJ8J cLIwIAEy6wH2G19QLBTHwxzmwapGYqqMJ7/f4XbdtM/vBTKa4D17Te1OY97y1XX0vyjaAOqpm JoX9WIj8v4mZN75mOWr7J1/nszqCXXV2nmniNodiYRNjllSFIK2S8Sy0Q2oJvfyApOA2sYA6F CkXNGFJVWvL7sAgXq3dKHoLWfODCb4VI6hkjFt5FT5hS+Dovi03W6A/BeA9/vViSbvjrOis0W AnK2s9uy4GsRER0dTG9t+speNROh/LRquxp0FjRs1sLABwVyxPsA== X-UI-Sender-Class: 724b4f7f-cbec-4199-ad4e-598c01a50d3a Original-Received: from gandalf.gmx.de ([185.89.39.27]) by mail.gmx.net (mrgmx005 [212.227.17.190]) with ESMTPSA (Nemesis) id 1N1OXZ-1pvSkv1igN-012prw; Sun, 23 Jul 2023 13:50:22 +0200 In-Reply-To: <87pm4jrxra.fsf@localhost> (Ihor Radchenko's message of "Sun, 23 Jul 2023 05:40:41 +0000") X-Provags-ID: V03:K1:Rx3NFDdga11fN1b0+hG/6bcqKTQMxI+bFChq2MWbsUXVROcpMoc 7aeWfR0vyiuAwsGGTQqfC/4QDHD6bztEi7vrX0+PnlACSfkHQC1hLsFpIycZzb1RXfcIl4E ITcMqdhBhlCvrXmbiNBUFUjQbEfhT5totBQUrMsRmjZZKvjTYX+GnGyu1MsSKykht4UAT6M PN7V962ScHWSl41yf0w2A== UI-OutboundReport: notjunk:1;M01:P0:JL50sloy2i4=;rCx/XO2hQJfjVu6tAouGt84zNMi q5qEEmEUJ2mYvp2f/va2ISUDDoDO9hDMm3M/qhiuQoZQKO1IzpZG8Y9hT6aixZDP4AnFRaVbD kAYIvdOTlUqX3EAe40dI7/oH/ysAYR1knBQ41ljGML+UiRWSrkCjTwgN1ddKX8aCOlp99AGYm WF8h93FzTjsjy79uDeG1AoG9YhYa14SBUAuo+FYSO+du9HiVpIhqIU0QNTfPYsEJltsW++MpQ SzVJNqjalqRRMpiLI/5+Z64GARtYAfZ2qeTJoPT7d1KswJ5spW8HHp+VtXJepeDFrmLlPhXKq KNgQPDNQ314ww6BD2z+0V1Paj2H1RLMpi/2x6+x6VfqbTuzYPU+b2jb9f6GMC4H7YLL2RrAT3 ETaAhSDE1pA0YbMT8PPTsY4+pQ9wtJcm0BCOFWBOdyzGLf21AWbgmTcQgp+jRYhVN/hxjm13I bsXuQOjIiHaEIomkz54QP9DmdE57TaW5LG9oa+ZvhGJQABmgql4lZUBkExevwbJZEUP09qbSV ECjAIV24CAPDs+H0C7v+uJgdD25Z7WNNF8xjRxRQwh29eJcTOoEsge/+AbikSE/yX+xaZDjOU sPHrDJmSWc0hI2m077I6MLPbJ1Q4Wabbau+n2I9FNjeB+eEVNJ8Pu55C07zNcidOAH17qfyH4 47PklClm+OimUqMcI5/h/WLgnfbUEoskN1B8QkPtzizZiYdhhu1JdaK6gSMvqalQzEvxNtr4I a+M5hz4j+PA60CQam16rqP9/swphIocskfy2uygHa3o/ndclC1znawmnpSOPxKN690iRZK5l 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:265893 Archived-At: Ihor Radchenko writes: Hi Ihor, >> On remote host, I can see that `find-lisp-find-files' must use >> tramp entries in `file-name-handler-alist'. Although, it will likely not >> be usable then - running GNU find on remote host is going to be >> unbeatable compared to repetitive TRAMP queries for file listing. > > That said, Michael, may you please provide some insight about TRAMP > directory listing queries. May they be more optimized when we need to > query recursively rather than per directory? Tramp is just a stupid library, w/o own intelligence. It offers alternative implementations for the set of primitive operations listed in (info "(elisp) Magic File Names") There's no optimization wrt to bundling several operations into a more suited remote command. > GNU find is faster simply because it is running on remote machine itself. > But AFAIU, if TRAMP could convert repetitive network request for each > directory into a single request, it would speed things up significantly. If you want something like this, you must add directory-files-recursively to that list of primitive operations. Best regards, Michael.