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Re: Correct byte compiler error/warning positions. The solution!

From: Eli Zaretskii
Subject: Re: Correct byte compiler error/warning positions. The solution!
Date: Sun, 28 Nov 2021 09:25:03 +0200

> Date: Sat, 27 Nov 2021 23:05:12 +0000
> Cc: emacs-devel@gnu.org
> From: Alan Mackenzie <acm@muc.de>
> The timings I have for scrolling in the forward direction (each time
> preceded by M-x garbage-collect, and typing/erasing a character to clear
> the font-lock settings) are:
> (master branch, no native compilation):
> 20.847s, 21.609s, 19.459s, 21.570s, 21.651
> (New code with correct warning messages, no native compilation):
> 21.284s, 42.152s ????, 19.927s, 19.960s, 22.259s, 22.198, 22.209s.
> The input to configure was the same in both cases, namely
>   ./configure --with-gif=no --with-tiff=no --with-gpm.
> , and the timings were done on the Linux console.
> No, I don't understand that 42s run.  A lot of garbage collection,
> perhaps?

You should always record the time take by GC and subtract it from the
elapsed time.  I believe benchmark-run shows that time, so please use
it in the comparison.

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