From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Philipp Stephani Newsgroups: gmane.emacs.devel Subject: Re: Skipping unexec via a big .elc file Date: Mon, 01 May 2017 11:41:25 +0000 Message-ID: References: <8A8DA980-13A7-4F8B-9D07-391728C673C9@raeburn.org> <83a8889ede.fsf@gnu.org> <144D5F87-D876-485D-BAB3-2AA93627272A@raeburn.org> <83inmq53xk.fsf@gnu.org> <96D35768-314C-43F5-BD5E-B12187759DCA@raeburn.org> <123104DD-447F-4CDB-B3A0-CED80E3AC8C9@raeburn.org> <20170403165736.GA2851@acm> <2497A2D5-FDB1-47FF-AED3-FD4ABE2FE144@raeburn.org> <83lgrhpalq.fsf@gnu.org> <0D99B4FE-FEEF-4565-87D6-E230A05DEF3C@raeburn.org> <86lgrc4vob.fsf@molnjunk.nocrew.org> <834ly0oew1.fsf@gnu.org> <968E8F50-92F6-43C7-B7E4-EE8378943087@raeburn.org> <83wpawmj4d.fsf@gnu.org> <1e397033-8291-1625-8b78-a1e1c200aea5@gmail.com> <83efx2na8y.fsf@gnu.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: multipart/alternative; boundary=94eb2c0d21c2e5e9be054e74e730 X-Trace: blaine.gmane.org 1493638954 26356 195.159.176.226 (1 May 2017 11:42:34 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 1 May 2017 11:42:34 +0000 (UTC) To: Stefan Monnier , emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon May 01 13:42:30 2017 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1d59in-0006kL-11 for ged-emacs-devel@m.gmane.org; Mon, 01 May 2017 13:42:29 +0200 Original-Received: from localhost ([::1]:53809 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d59is-0003Dw-Uc for ged-emacs-devel@m.gmane.org; Mon, 01 May 2017 07:42:34 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:41559) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d59hz-00032k-Ad for emacs-devel@gnu.org; Mon, 01 May 2017 07:41:40 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1d59hy-0002Ew-HC for emacs-devel@gnu.org; Mon, 01 May 2017 07:41:39 -0400 Original-Received: from mail-wr0-x22e.google.com ([2a00:1450:400c:c0c::22e]:32914) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1d59hy-0002DY-BA for emacs-devel@gnu.org; Mon, 01 May 2017 07:41:38 -0400 Original-Received: by mail-wr0-x22e.google.com with SMTP id w50so62579322wrc.0 for ; Mon, 01 May 2017 04:41:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=yeoYGFpTfUDHxv9bBHSxHsu/EpHPd04DRwB/8Qsz2H4=; b=i99oStxp13QqBW/7jH/jjKnseUV5+W0hm9eN3H7+pXBg08kRmmnAxeoWyiaNykqY7D koGLf4CrnW3ORU6QEKFX12mQfQgZA0gy6ISvD6T2VuZ1WeZ9PGiL87FDx5oNLp7BFXIm tW4FeG/TYO0mOrQ2/bC389DpogRGVi3mY758EncWabRVTNRSd0SvXHiLhu6wiL+3U24A Sb0Ruq1s9BaSTRB+Np+6hG21DGCThs90UjhihabNhuIGDPLAEcvnPZjoUepy0RxZwXg4 VvRL0xIusPMKn8qnKQSQDznFU2ZU4cLSMXCHWOy5WWDnjZ0I5LP3aEx34MVejf7fLlGW Ry+A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=yeoYGFpTfUDHxv9bBHSxHsu/EpHPd04DRwB/8Qsz2H4=; b=SkkOm6jCRfcfKGPDl6eWTx+f1fOKo5fbwzIQ4SnO4hYnq77hj4CfzG34cdrJbGepVR MzLxlm7hzOuVFG1QN9nUe7eW4S7YbgMzwzN9zHorio3jKtOqruuuHS+6d4703x01LDlZ cOg8sPI9o63pgSse1rgLNoM7Q482dibGkgiCjTSjXqe4ojE7sdBxptleTlmDXrqczH/x tZdNhB+DkCaMSBSHKI0n3ckhlL565gO1tNlXNiQl3UjHaMjO6Z4Vw9Gn70393fjOaVFP cWo1hD9WqOWOZglmiy+0MePQSqH9BUx586a+Er4QRYpIyB/w2Y3tw08huq3hc3k/3pGL rCfQ== X-Gm-Message-State: AN3rC/6UbHunGbKRqYRp38lBdoKRO/qZj+3sQMtYUpKst8eKPJO/e+HD Bd6NltdsWed4ZUaWs6jHvNF2YjXACQ== X-Received: by 10.223.148.35 with SMTP id 32mr9373656wrq.175.1493638897328; Mon, 01 May 2017 04:41:37 -0700 (PDT) In-Reply-To: X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:400c:c0c::22e X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 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.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:214480 Archived-At: --94eb2c0d21c2e5e9be054e74e730 Content-Type: text/plain; charset=UTF-8 Stefan Monnier schrieb am Sa., 8. Apr. 2017 um 20:06 Uhr: > >> I'd actually prefer going into the other direction: preload much more > than > >> now, and remove lots of stuff from > >> autoloads. This will probably need a different strategy for preloading > >> (Daniel's approach, or Rmacs, or an Elisp > >> LLVM compiler, ...). > > Given that load time is an issue, loading more stuff than strictly > > necessary seems to make very little sense to me. > > IIUC, using Daniel's approach, it should be possible to preload using > mmap in a time that's largely independent from the size of the > preloaded file (or at least, with a small constant). > > Yes, that would be ideal. --94eb2c0d21c2e5e9be054e74e730 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable


Stefan= Monnier <monnier@iro.umontr= eal.ca> schrieb am Sa., 8. Apr. 2017 um 20:06=C2=A0Uhr:
>> I'd actually prefer going into the= other direction: preload much more than
>> now, and remove lots of stuff from
>> autoloads. This will probably need a different strategy for preloa= ding
>> (Daniel's approach, or Rmacs, or an Elisp
>> LLVM compiler, ...).
> Given that load time is an issue, loading more stuff than strictly
> necessary seems to make very little sense to me.

IIUC, using Daniel's approach, it should be possible to preload using mmap in a time that's largely independent from the size of the
preloaded file (or at least, with a small constant).


Yes, that would be ideal.=C2=A0
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