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Re: MPS codegen


From: Eli Zaretskii
Subject: Re: MPS codegen
Date: Fri, 14 Jun 2024 09:37:06 +0300

> 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.



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