From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Lars Ingebrigtsen Newsgroups: gmane.emacs.devel Subject: Re: Larger GC thresholds for non-interactive Emacs Date: Sat, 18 Jun 2022 14:45:47 +0200 Message-ID: <875yky16o4.fsf@gnus.org> References: <83bkuzznws.fsf@gnu.org> <877d5mqmkh.fsf@localhost> <83y1y2utnd.fsf@gnu.org> <87r13up587.fsf@localhost> <83o7yyur0l.fsf@gnu.org> <87leu2p3nu.fsf@localhost> <83leu2uewn.fsf@gnu.org> <87r13qv701.fsf@localhost> <83bkuursya.fsf@gnu.org> <87h74l9jk8.fsf@localhost> <83bkutqb3z.fsf@gnu.org> <9778F176-E724-4E61-B0FB-327BCDD316C0@acm.org> <87sfo4epeo.fsf@localhost> <87bkurrc5e.fsf@localhost> <87bkur72b7.fsf@gnus.org> <874k0j40e7.fsf@gnus.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="4372"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) Cc: Ihor Radchenko , Mattias =?utf-8?Q?Engdeg=C3=A5rd?= , Eli Zaretskii , Tim Cross , rms@gnu.org, Alan Mackenzie , emacs-devel To: Stefan Monnier Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sat Jun 18 14:47:07 2022 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 1o2Xqz-0000t0-0z for ged-emacs-devel@m.gmane-mx.org; Sat, 18 Jun 2022 14:47:05 +0200 Original-Received: from localhost ([::1]:48982 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1o2Xqx-00037n-H5 for ged-emacs-devel@m.gmane-mx.org; Sat, 18 Jun 2022 08:47:03 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:39718) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1o2Xpu-0002QR-8Z for emacs-devel@gnu.org; Sat, 18 Jun 2022 08:45:58 -0400 Original-Received: from quimby.gnus.org ([2a01:4f9:2b:f0f::2]:57196) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1o2Xps-0001s5-Cs; Sat, 18 Jun 2022 08:45:57 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnus.org; s=20200322; h=Content-Type:MIME-Version:Message-ID:In-Reply-To:Date: References:Subject:Cc:To:From:Sender:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=8Zx6mKuLGNkZHJNV7X8C+0HdF0iZc6KV5oouqsiVP9g=; b=cGQ8JJX4Yd8+14hv9SpbAlP+Vz mE4ZwNLgobg8Uw6sKec2FNGV9B7D7q4/IajQT+9O4Jso9BlP0bSelM/fl+5WbL6PP/ZgNLCzNw05Y G8YXnkQvF36aR3KGoYRmey8KI/4OjBknbF2R3myHlUJupuqihJ4EKAkBWrxYzg+/foIs=; Original-Received: from 77.18.220.249.tmi.telenormobil.no ([77.18.220.249] helo=xo) by quimby.gnus.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1o2Xpk-0006XY-Q0; Sat, 18 Jun 2022 14:45:51 +0200 In-Reply-To: (Stefan Monnier's message of "Fri, 17 Jun 2022 18:53:17 -0400") Received-SPF: pass client-ip=2a01:4f9:2b:f0f::2; envelope-from=larsi@gnus.org; helo=quimby.gnus.org X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 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, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham 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" Xref: news.gmane.io gmane.emacs.devel:291359 Archived-At: Stefan Monnier writes: > The first GC seems to happen before we set percentage to 2.0 (so > apparently all compilation processes performed at least one GC before we > set percentage to 2.0 and then the majority of them performed no further > GC before exiting). Hm, interesting... > [ So if we set percentage to 2.0 a bit earlier than what happens with > `--eval` we may gain yet a bit more time. ] This should probably be early enough, I guess? diff --git a/src/emacs.c b/src/emacs.c index 43b9901e08..33ad9c6b8d 100644 --- a/src/emacs.c +++ b/src/emacs.c @@ -1620,6 +1620,7 @@ main (int argc, char **argv) if (argmatch (argv, argc, "-batch", "--batch", 5, NULL, &skip_args) || only_version) { + Vgc_cons_percentage = make_float (2.0); noninteractive = 1; Vundo_outer_limit = Qnil; } > 9.5M is actually exactly 10000000 bytes so I suspect these come from > either `cedet/semantic.el` or `international/mule-cmds.el` which both > set gc-cons-threshold to (max gc-cons-threshold 10000000). Ah, I see. Perhaps those should increase that even more if it still leads to 18 GCs? -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no