GNU bug report logs - #79001
Retain profile image files generated during build

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From: Lynn Winebarger <owinebar <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 79001 <at> debbugs.gnu.org
Subject: bug#79001: Retain profile image files generated during build
Date: Mon, 14 Jul 2025 22:00:13 -0400

[Message part 1 (text/plain, inline)]

On Sun, Jul 13, 2025 at 1:02 AM Eli Zaretskii <eliz <at> gnu.org> wrote:
> > I am not sure why the generate-ja-dic target in lisp/Makefile.in
> > depends on custom-deps
>
> It doesn't.  It is probably some local snafu on your system, because
> lisp/Makefile.in I have here says

Ugh, you are right - it was in the first patch, though I do not recall
adding it.
I made a fresh clone of the emacs repo and applied all the changes
before committing.  I'm attaching the combined patch which does not
contain that non-sequitur.

The profiles of the bootstrap dump and the dump with the loadup
libraries byte-compiled is in read0 for 0.2 and 0.1 seconds
respectively (barely enough to measure).  When I summarize profiles of
all the ELC jobs, though, the total time is about 5 seconds.  It
should be at least enough for a meaningful comparison, even though it
is a tiny part of the overall computation time.  If you're interested
in measuring just read0, anyway. and not the cost of the entire
activation of the various entry points to read0.

Lynn

[0001-Support-for-retaining-profiling-from-build.patch (text/x-patch, attachment)]

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