From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Lin Sun Newsgroups: gmane.emacs.bugs Subject: bug#41646: Startup in Windows is very slow when load-path contains many Date: Sun, 13 Oct 2024 14:47:46 +0000 Message-ID: References: <86jzedy84g.fsf@gnu.org> <86r08luqsq.fsf@gnu.org> <86frp1unvu.fsf@gnu.org> <86y12stv24.fsf@gnu.org> <86set0th9d.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="1046"; mail-complaints-to="usenet@ciao.gmane.io" Cc: acorallo@gnu.org, 41646@debbugs.gnu.org, Stefan Kangas , monnier@gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Oct 13 16:50:10 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 1szzv8-00005U-7I for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 13 Oct 2024 16:50:10 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1szzul-0007XM-V5; Sun, 13 Oct 2024 10:49:48 -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 1szzuk-0007X6-Ub for bug-gnu-emacs@gnu.org; Sun, 13 Oct 2024 10:49:46 -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 1szzuk-0003ZH-LX for bug-gnu-emacs@gnu.org; Sun, 13 Oct 2024 10:49:46 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=debbugs.gnu.org; s=debbugs-gnu-org; h=Date:From:In-Reply-To:References:MIME-Version:To:Subject; bh=3mhtb1qRw3TLGoofS+39wm3+FGvsGnj4xSkSy0RJK+0=; b=QO5DhfV0ZMqi6h5htvUCRx0TqetbXjRsMtCpqV0tDLUYBFJyhL4mL2Z+1GT4PlC2Me//Sv6tqGOC5kZzE5qFwjIP/FTCOrKr/15zalvwFHh7A6WZFAVSg5PpPUPTqxIbLkNtcRq/VcMu1yY6gw5o0XBMTkB0V0uCmMfRMrq02RhL2lT/Fj1rEAiK1N3q7s87gxfgj5suZbdKfiwWg8PXfK2QC0f4MOTclqOif4VQN5apDgNcjf4AttI0t+gsqnC9uHnQ7Ty/voFijWdKTBS9R5lb8GAcs4x41C3NWrqmEqAluWpqbOUuH5+9r7XdKo2wV0pqTtbGkPBUNv8Q6bS7dQ==; Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1szzv0-00076h-4L for bug-gnu-emacs@gnu.org; Sun, 13 Oct 2024 10:50:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Lin Sun Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 13 Oct 2024 14:50:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 41646 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: patch fixed Original-Received: via spool by 41646-submit@debbugs.gnu.org id=B41646.172883095627233 (code B ref 41646); Sun, 13 Oct 2024 14:50:02 +0000 Original-Received: (at 41646) by debbugs.gnu.org; 13 Oct 2024 14:49:16 +0000 Original-Received: from localhost ([127.0.0.1]:52039 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1szzuG-00075B-8t for submit@debbugs.gnu.org; Sun, 13 Oct 2024 10:49:16 -0400 Original-Received: from mail-ed1-f44.google.com ([209.85.208.44]:59480) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1szzuE-000753-Ay for 41646@debbugs.gnu.org; Sun, 13 Oct 2024 10:49:14 -0400 Original-Received: by mail-ed1-f44.google.com with SMTP id 4fb4d7f45d1cf-5c96b2a10e1so1293248a12.2 for <41646@debbugs.gnu.org>; Sun, 13 Oct 2024 07:48:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1728830878; x=1729435678; darn=debbugs.gnu.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=3mhtb1qRw3TLGoofS+39wm3+FGvsGnj4xSkSy0RJK+0=; b=hWGxDxMEIBdxev21mqkR+/uYLItVfvY2i4or8bMpEwMZm23yEVZT0k6H1QROFYG2wD 2AY5eroHyOtLNthBwHZu3ndHch4VzFpGifN/a2HXxgTUNHkR6Qt2nTeEEMg705oDSJR3 ZWxccXPME4VNa9V7p47lTvaLj9IbuE/igvV1gkOOK4HGChU+vID1I0NTCLMrkezgkfPD rvfzRotLvVJBzSChpIyLe1H0ShMjY7YfsG7zetjIBmgU2Y9J/h2FB/7KnnRNSBQBXqai vvcxlolMOe6lX4lhNjHlnxvbUsneMsdeYgxzcmKMsSusVML7kPfjv2zdxn3Ccc7A5aBA 8iJw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1728830878; x=1729435678; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=3mhtb1qRw3TLGoofS+39wm3+FGvsGnj4xSkSy0RJK+0=; b=nkWRYr+xeQYSiDIwYGtGXjh3dYBYjJFSgXNqCbSIwGm+z+jRBX/I/rCAmtrC+DPDxG Z7EJ1gfZu0qDLwZBiJTiO3xuU/N8a8S3z/bjcnca1718EvyE3h4NxdiuopmyCpM1G608 oJTpGHZHhaHU9Yi14v7BQDh8lvInHOFlEmSFySDmst2BGxi0+Elwhq046fqf8ugQ4rMk byVQKNenw6kUD/SlxwkUfhxWUSHUakZpSSofwqWYI4idzxEwh5sSZsUALpGSw842FeZ9 2aaEPXcU2/Vs+Y4c5FJwscI/gFBhdqijxdahdvss6uF+ha4HM3A/+ibiFWlaaPMtt9jz etLw== X-Forwarded-Encrypted: i=1; AJvYcCWuACxtQOurRGYxdncUDt8U7M0lhlIXP7iljBl9gEceuzrvnQspPX/wM6WVtTWAOrtx2SMqiw==@debbugs.gnu.org X-Gm-Message-State: AOJu0YzOcX2n1o7ruP0f71iao9nx1Bd618W4RT63Zj/oA2MByEkA5lCL xCqpBYP/zajtM3LdjHtZfBh+Asa4OraBtxbA3vkG9VKZyofKGxbMmXOLN5XHm88zTJYl0PH7ftf 0Gn5Tv1c+Bcpej6P2wwL+4zO4njM= X-Google-Smtp-Source: AGHT+IFDKNYRAKmRxeI2Vzn3H4wztOrO+bbE2C1w5LdCQHzPyMxLIePVRFtNDXNv4y9b8KNffkwXvfXEKHab/x2hcTw= X-Received: by 2002:a50:85c6:0:b0:5c8:8208:2929 with SMTP id 4fb4d7f45d1cf-5c948cb8be0mr5739140a12.20.1728830877427; Sun, 13 Oct 2024 07:47:57 -0700 (PDT) In-Reply-To: <86set0th9d.fsf@gnu.org> 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:293522 Archived-At: On Sun, Oct 13, 2024 at 10:43=E2=80=AFAM Eli Zaretskii wrote= : > > > From: Stefan Kangas > > Date: Sun, 13 Oct 2024 09:50:42 +0000 > > Cc: Andrea Corallo , 41646@debbugs.gnu.org, > > Stefan Monnier > > > > Why should this be MS-Windows specific, BTW? Is slow startup time with > > many packages much less of an issue on other operating systems? Is dis= k > > access somehow slower on MS-Windows? > > I don't think this is Windows-specific, it's just that on Windows the > gains might be higher. Disk access is somewhat slower on Windows, > yes. Thanks, and append the result on Ubuntu: from 2.132 to 1.573seconds (383 packages). On Sun, Oct 13, 2024 at 9:50=E2=80=AFAM Stefan Kangas wrote: > > Here's a suggestion: > > Since this is about speeding up load time during startup, how about > adding a new defvar that enables a cache for `require`, and then set > that to t during startup and nil after? That would make the feature > work as expected without any user customization. In general, this is > preferable, as this reduces the overall complexity of Emacs, both for > users and developers. The "loadhints-cache" is not only for startup, actually it also works anytime when requiring a feature but the `exec-path' has hundreds of entries. Agree, using the "loadhints-cache" in the `require' function native code will be better than defeine-advice, I'm implementing it now, and will post a patch later.