Re: Timings for 'make check' with and without symbols with position

[Eli Zaretskii]

> Date: Sat, 26 Feb 2022 16:39:05 +0000
> Cc: David Engster <deng@randomsample.de>, Eli Zaretskii <eliz@gnu.org>,
>   larsi@gnus.org, mattiase@acm.org, gregory@heytings.org,
>   Óscar Fuentes <ofv@wanadoo.es>
> From: Alan Mackenzie <acm@muc.de>
> 
> Short summary: The new build is slower than the old by 12.6%.  perf
> counted 419k samples on the new, 372k samples on the old.
> 
> What is taking the extra time is largely the garbage collection:  I
> filtered perf's output successively for the strings "mark" and "sweep",
> and include those functions with at least 0.1% of the run time.

Thanks.  Any idea why there will be more GC in the new version?  Or
are you saying the number of GC calls was the same, but each GC cycle
took a bit longer?  If so, how does symbols-with-pos affect GC?