From: "Gerd Möllmann" <gerd.moellmann@gmail.com>
To: Eli Zaretskii <eliz@gnu.org>
Cc: eller.helmut@gmail.com, emacs-devel@gnu.org
Subject: Re: MPS codegen
Date: Fri, 14 Jun 2024 09:30:31 +0200 [thread overview]
Message-ID: <m21q50j814.fsf@pro2.fritz.box> (raw)
In-Reply-To: <86zfroxc6l.fsf@gnu.org> (Eli Zaretskii's message of "Fri, 14 Jun 2024 09:37:06 +0300")
Eli Zaretskii <eliz@gnu.org> writes:
>> From: Gerd Möllmann <gerd.moellmann@gmail.com>
>> Cc: Eli Zaretskii <eliz@gnu.org>, emacs-devel@gnu.org
>> Date: Thu, 13 Jun 2024 21:37:41 +0200
>>
>> Maybe one could reserve + commit a suitable block upfront, maybe as one
>> big IGC_OBJ_PAD, and use read(2) or so to read the .pdmp into that
>> block.
>
> Wouldn't that slow down startup? pdumper uses memory-mapped files to
> make that as fast as possible, and for a good reason: at the time
> pdumper was introduced people objected to have startup slow down even
> by a few hundreds of milliseconds.
I don't know. Did pdumper do many reads that were replaced with one
mmap? This one could do one large read instead of one mmap.
next prev parent reply other threads:[~2024-06-14 7:30 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-10 13:39 MPS: Update Gerd Möllmann
2024-06-10 16:17 ` Andrea Corallo
2024-06-10 16:26 ` Gerd Möllmann
2024-06-10 16:44 ` Gerd Möllmann
2024-06-10 20:58 ` Andrea Corallo
2024-06-11 3:12 ` Gerd Möllmann
2024-06-11 20:35 ` Helmut Eller
2024-06-12 4:45 ` Gerd Möllmann
2024-06-12 7:54 ` Eli Zaretskii
2024-06-12 8:00 ` Gerd Möllmann
2024-06-13 9:07 ` MPS codegen (was: MPS: Update) Helmut Eller
2024-06-13 12:33 ` MPS codegen Gerd Möllmann
2024-06-13 17:48 ` Helmut Eller
2024-06-13 18:24 ` Gerd Möllmann
2024-06-13 18:31 ` Gerd Möllmann
2024-06-13 18:38 ` Helmut Eller
2024-06-13 18:54 ` Gerd Möllmann
2024-06-13 19:15 ` Helmut Eller
2024-06-13 19:37 ` Gerd Möllmann
2024-06-14 6:37 ` Eli Zaretskii
2024-06-14 7:30 ` Gerd Möllmann [this message]
2024-06-14 7:56 ` Gerd Möllmann
2024-06-14 10:52 ` Eli Zaretskii
2024-06-14 10:46 ` Eli Zaretskii
2024-06-13 23:09 ` Andrea Corallo
2024-06-14 6:08 ` Gerd Möllmann
2024-06-14 7:45 ` Helmut Eller
2024-06-14 7:59 ` Gerd Möllmann
2024-06-14 8:28 ` Gerd Möllmann
2024-06-14 8:51 ` Helmut Eller
2024-06-14 11:32 ` Eli Zaretskii
2024-06-14 12:43 ` Gerd Möllmann
2024-06-14 13:04 ` Eli Zaretskii
2024-06-14 13:17 ` Gerd Möllmann
2024-06-14 13:46 ` Eli Zaretskii
2024-06-14 14:05 ` Gerd Möllmann
2024-06-14 14:33 ` Eli Zaretskii
2024-06-14 14:46 ` Gerd Möllmann
2024-06-14 16:30 ` Helmut Eller
2024-06-14 18:28 ` Eli Zaretskii
2024-06-14 19:03 ` Eli Zaretskii
2024-06-14 19:26 ` Helmut Eller
2024-06-14 19:50 ` Gerd Möllmann
2024-06-15 6:26 ` Eli Zaretskii
2024-06-15 7:10 ` Gerd Möllmann
2024-06-15 7:34 ` Eli Zaretskii
2024-06-15 8:22 ` Gerd Möllmann
2024-06-15 6:11 ` Eli Zaretskii
2024-06-15 7:25 ` Gerd Möllmann
2024-06-15 7:46 ` Eli Zaretskii
2024-06-15 8:14 ` Gerd Möllmann
2024-06-15 8:38 ` Gerd Möllmann
2024-06-15 8:44 ` Helmut Eller
2024-06-15 8:56 ` Gerd Möllmann
2024-06-15 9:07 ` Helmut Eller
2024-06-15 9:27 ` Gerd Möllmann
2024-06-15 12:33 ` Gerd Möllmann
2024-06-16 6:16 ` Gerd Möllmann
2024-06-16 7:53 ` Eli Zaretskii
2024-06-16 8:19 ` Gerd Möllmann
2024-06-16 8:40 ` Helmut Eller
2024-06-16 8:49 ` Gerd Möllmann
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