From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: "Dr. Arne Babenhauserheide" Newsgroups: gmane.emacs.devel Subject: Re: Indentation and gc Date: Sat, 11 Mar 2023 07:55:32 +0100 Message-ID: <87ttyru4zt.fsf@web.de> References: <20230310110747.4hytasakomvdyf7i.ref@Ergus> <20230310110747.4hytasakomvdyf7i@Ergus> <87a60k657y.fsf@web.de> <838rg4zmg9.fsf@gnu.org> <87ttys4dge.fsf@web.de> <83sfebyepp.fsf@gnu.org> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha256; protocol="application/pgp-signature" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="36026"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: mu4e 1.8.13; emacs 28.1 Cc: spacibba@aol.com, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sat Mar 11 08:23:30 2023 Return-path: Envelope-to: ged-emacs-devel@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 1patZi-0009CG-5n for ged-emacs-devel@m.gmane-mx.org; Sat, 11 Mar 2023 08:23:30 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1patYw-0004EX-55; Sat, 11 Mar 2023 02:22:42 -0500 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 1patYv-0004EN-1o for emacs-devel@gnu.org; Sat, 11 Mar 2023 02:22:41 -0500 Original-Received: from mout.web.de ([212.227.15.14]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1patYt-0008RH-5F; Sat, 11 Mar 2023 02:22:40 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=s29768273; t=1678519355; i=arne_bab@web.de; bh=rNiCk21Qc2Vo2Zxnok51N/ywr51010c+E03nHsSPSqw=; h=X-UI-Sender-Class:References:From:To:Cc:Subject:Date:In-reply-to; b=C0xdx3145zAwsEW4EYAXJOjCW4H5qSZjzjm1BSRkzjX58/T05LFiZ+pY+4cwGFewK PChscyZfQxuKPUtSRYy5fpvipVHP3ug1U1w9yWr2DbJVVHKJ2jJihxOBvq20F+QjDo 4wMP6WmA9MkrqKaiVTS61t4L/ky14p/qOiwG5RnroyHv1t9cv9I2SbIQJWZjpchz2l p0wstvVnebNISVPWeGCxWW+gAxcbfzhByCFTCuT90FIzGsqHEOdtxoWjE/66kx2nlM 4WeHgy3dBvT3+Uaye/ysitytL5iB8iTWxV1zJLcg2SM/KXaRbu/RbJGDHzNJ4QPEkT EMASvnRJLZNUA== X-UI-Sender-Class: 814a7b36-bfc1-4dae-8640-3722d8ec6cd6 Original-Received: from fluss ([84.149.95.143]) by smtp.web.de (mrweb005 [213.165.67.108]) with ESMTPSA (Nemesis) id 1N4vNQ-1qZYkg3dky-010uN2; Sat, 11 Mar 2023 08:22:34 +0100 In-reply-to: <83sfebyepp.fsf@gnu.org> X-Provags-ID: V03:K1:4JHoZCuYyVCagoPHcNfOwU8hZQhxN5SmJQ91GlFLKxckvot95ET Sf3dmeyIUjMqzOUo5kKhnVJPROhMTa2B+n0CbohqnKgoqtzkdlRfwDfE3VV6VGpofpQV051 h1YOcHXkf2Jzs0ZcALIUvBLjuLVhZaA4RtdqotgfDPMdGDuv7uxdJ5Cnj5fW8JVl12rs+Ar B7PUNAqWNbICxBTqrH4mg== UI-OutboundReport: notjunk:1;M01:P0:js0xQVzqTZ8=;VZP335eUWzLtSscv1SsKcjoVRXF jou0T8XKRe/s7FyK/tO03d4+3Fqn9VwAIJBKWx4i35jrtc4t666NE0Ds7YGkS+6k6bJCtXt/e EgSQwuNXM89g3+e7FNX77zkd6vw8QLJTgHhCIWNYzz1+FsOD/cH9Blz6SJYA+iWdGJ4Hu6aI2 h1sb4hzB9sWyZ04Dk2Fwy7GH2WZKdWzdycjcWw3emtiw/b7Rrh6fryVMeCgIbgXTV4Cly6jpV 7aNk0dNDBaMtzeGCfVKubWnE8JICLsfxcog/RX/G7MaMF8VXGceKa3UP1SVLEkcrKo35NBEyK 2Jw0McAQhg5rP7bUbT0I48FMGSqRUdoRFnWiAeyzaNustXyt11ThZ0wVEo1lUXfEyocUhDu/c lbR2UAfsPLh/O80jckeJMJzXgBHgg0CHBOYW7HY+8ko4oGbN0kqAZf9pjMyyfINSEPHYRYsBC 4/P6tpukQOHo7r/pDR/AQoEpjk16Qj7FZL9OpLr38ITkt9epYdOe06PtAgTy3O/GHNh53Zkmb gXKoVwaH1Ue3/D2hLSic6t+BptbIsqXMUqjt5HJgyCCpBrgxHctOGKL9GnUn6n79zLsSr9qeI 62NVc01dGMO8KVAkoIQIUeKLf6e06tZ3Nvy+L9aU4IJX/8e/vCWz5C+8+G5IDEKHJ/lu6JOZP s7kzN1E/DNF0ohTVwyIARywT+mTWu5B7n+4GSYsPuMbhc5rrVMJHMo9tDJAaDUMK9zxR4rnME EvOUi3JjOnsGK9U8VY86F2lrYl20VTfeWJldh1PBagmRTnXCiXP2aVTz+a714jCeJ56PMuoF Received-SPF: pass client-ip=212.227.15.14; envelope-from=arne_bab@web.de; helo=mout.web.de X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, FREEMAIL_REPLY=1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:304277 Archived-At: --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Eli Zaretskii writes: >> From: "Dr. Arne Babenhauserheide" >> Cc: spacibba@aol.com, emacs-devel@gnu.org >> Date: Fri, 10 Mar 2023 20:23:18 +0100 >>=20 >> > This can only be done around specific portions of code known in >> > advance to be long and GC-intensive. I don't think this kind of >> > technique can be used in the situation described by the OP. >>=20 >> This is at the end: My emacs simply has a ~25x higher gc threshold than >> normal and allows more caching of process output. >>=20 >> That helps a lot with lsp (language servers). > > The enlarged threshold should be carefully tuned to the user's Emacs > usage patterns and to the amount of available virtual memory, to avoid > applying too much memory pressure on the system, which could > potentially lead to OOM killer doing its gruesome job. > > So, instead of advising random users to raise the GC threshold to > levels that are (perhaps) suitable for your configuration and usage > patterns, we should IMO teach them how to tune the threshold to > theirs, and leave the setting to them. That=E2=80=99s true =E2=80=A6 Do we have a process to re-evaluate the current settings? Emacs modes have been getting more complex in the past decades =E2=80=94 also because m= odern CPUs can execute them =E2=80=94 so how can we see whether 800k are still the right setting for gc-cons-threshold? Another question would be whether enlarging the gc cons threshhold during reading of the site and init file could be a default. It improves startup times a lot. Best wishes, Arne =2D-=20 Unpolitisch sein hei=C3=9Ft politisch sein, ohne es zu merken. draketo.de --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQJEBAEBCAAuFiEE801qEjXQSQPNItXAE++NRSQDw+sFAmQMLDcQHGFybmVfYmFi QHdlYi5kZQAKCRAT741FJAPD64k7D/9SEbL8Q+ZycCdQ+JGwb4DS+Jn+SAJdv0bs s8LfMhLOb8JyWgj+4Lw1RXRTgVNGj/gkEQOG6939TLBLsEV8WLZu4KAV++qG1jyk Vu2JEpegX9vNfLKSFeSgZYAztr8bdzt1qI9FXkFoMGQ9VCmG1FlL99jd9FMDxFsH PwXGJRtRYfOldhnNUhKb6I8rqAOzTqFgzHHdkzV1muOLhWDl1yx/8QV/A0ktbpl7 POQTsJGfoEMrLh7FCmxdULs+yhH93FSqicsOjOv2U/5cw0ibZoEUzLaFsfHLEY92 k4lEdI4IZ/Iak40Ij8PFceRUh+eCpE1ixz73K4SZs7L9+waoL1e+1fQOhC29/Cpc J+9gQEs0TfW4z3BDdvhusuBOY0nMM96oOvvA2mTwHHS+7sEz1S8DrIHPbyjGcydj 1G43sW9xhSbPiqXwup66Rf143W8MqfQrTS96lgbraTeHL2twKz2F0A9pRmwfieJ2 2sOr1pRYALIB0jbmuLc7UYRJD5+YtTYOeEIdToKY5mbqMeTlDsZWH3W7vpfaHiel OKmp7tIQ4l4Llizd+NTj0KBQiF0r6UhjN5eZR87heW0zucKGi18aXjUq64imy+6p Jr1eJXDbV+LNjx20GXA+yCcxtTPM1/WdK9qZgsPFT3YzXh/nT9BhtUjXjKpSTWK1 HCKQjxhFi4jEBAEBCAAuFiEE3Si95tmHXKvOSosd3M8NswvBBUgFAmQMLDoQHGFy bmVfYmFiQHdlYi5kZQAKCRDczw2zC8EFSH7FBACLMqLr+txCAE79CD6xOirOBeUT 3icRCM6TaM4lWpSD3oWv1ytuAl7w8dAjRSfU5eogK/YWHqGHh60uPTCTCgm58ckw cmnVyQNxy9J+ounCFLZT5MVRhLFzxqIbWvCHnYRMk+XRC0/g4Wac0+9+udDclaLa buYtRWf//qoJAowt7w== =hrsZ -----END PGP SIGNATURE----- --=-=-=--