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: Fri, 21 Jul 2023 14:01:23 +0200 Message-ID: <87edl1scbw.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> <87fs5hemi1.fsf@gmx.de> <83edl11qzn.fsf@gnu.org> <874jlxebz5.fsf@gmx.de> <87lef9mqio.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="5113"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: dmitry@gutov.dev, 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 Fri Jul 21 14:02:26 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 1qMoq2-00015B-Rv for geb-bug-gnu-emacs@m.gmane-mx.org; 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Fri, 21 Jul 2023 14:01:24 +0200 In-Reply-To: <87lef9mqio.fsf@localhost> (Ihor Radchenko's message of "Fri, 21 Jul 2023 11:51:27 +0000") X-Provags-ID: V03:K1:f1YXj636mHpw+6Y3TVPGruGdz/kNXGxBZDGfKcTcGg7LHenqwbr uTHXPkMoPumPqg/pPe8NbZE1a/R4ucxYMpYdgOq36vLn+WEJED3LiYE46DOHtBfFKIbwFl+ AdRij82V7EMAb3PtykF6xKElGP3Asqhkde4iNgkufrT5c2Q3aRKqsjxT6CSHSXhtIAXlAsL nrCdVP4hDNo4MwezePtiA== UI-OutboundReport: notjunk:1;M01:P0:zFm1Vi+vbhc=;V1XnBEtLh6oAsdcRPABYMcfUwTQ PONtNRjxhtTYLecq2k+Z/wmzkD3Slr9YM1ZtK6UESYP/rZEMlc/I+/9R6/AS+N1msOD/YWojk 0qEJmTa/usUDsEIbmml3toEijdELvZJZuXm9d59FS7M7K0x08cZ66sQTZUKPqNCQ5jDV9jrUd 33PFmoc9rIeFiEV8G96CQOBBpJHAb5ell3RJN6XchOqG4LYw3tOj1y6zMpDjOSUCoJLvX2UHs kY95m64Zlq10/J80m+gkRH37p+Tl3piMd6HI3xQiG3FHja1YRyIbXbzauXx4o9ovYuoGQCy3Z apie3ZIDYe9qBF9NBK/U4es8dgoE3MGfdaKPF4ff/CK2mgAFj6W9N4WRUIK+82DGFcmji7d1h MO/6RNJS4tRl+/Ufm3dvl3UMl/2nUZPWRbBL5sFodTQUwtO54kO1rGjkCPAx6m3esarKTkj3h +0GtCPOnRhRin9YoYB5MDw0ZtGy04o8sTX3SNhkNZ4RB+mx/D1+Ia07KPP6g9vAOUAch5gsuM s+ol0tiXReR+34ud2CYoKgn2p/ffeucP7VEKJ18ZElLvBV9y29rQntoi6wIk3vDo4ZFXRlok2 Ewpm3LTZjxYjEDpEltYA+7OOJtAUv5vRKNeAaTi7uCPLP0jagCyjxBe5/eiAG9oBaUXuguc9N 0Qi2iWhDprx7gUqtXVQ14Rgn01k8X+De6wkHJo6+LQmFQElP2w/jnBT4aFvrOQm/fOUM6Yg/N frTtLTs2Tj4R+zcKmQ+afimyj/tYJYqvZHEDLnfvXQywaz6P3Ay5lgIS/YkBi0S+3vLY8gXi 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:265678 Archived-At: Ihor Radchenko writes: Hi Ihor, > May tramp only set file-name-handler-alist when a tramp command is > actually invoked? It's the other direction: Tramp is only invoked after a check in file-name-handler-alist. > Or, alternatively, may we fence the regexp matches in > `file-name-handler-alist' behind boolean switches? > I examined what the actual handlers do, and I can see > `jka-compr-inhibit', `epa-inhibit', `tramp-archive-enabled', > and `tramp-mode' are used to force-execute the original handler. If we > could make Emacs perform these checks earlier, the whole expensive > regexp matching phase could be bypassed. Hmm, this would mean to extend the file-name-handler-alist spec. Instead of a regexp to check, we would need to allow a function call or alike. Don't know whether this pays for optimization. And there is also the case, that due to inhibit-file-name-handlers and inhibit-file-name-operation we can allow a remote file name operation for a given function, and disable it for another function. Tramp uses this mechanism. The general flag tramp-mode is not sufficient for this scenario. Best regards, Michael.