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From: Andrea Corallo <akrl@HIDDEN>
To: Andrew Whatson <whatson@HIDDEN>
Subject: Re: bug#44238: 28.0.50; [feature/native-comp] Build trampolines for
FULL_AOT builds
References: <CAPE069f4CRAD7L0UzOPjMR+mLebetqKOgG45JC51_GyCONuUrA@HIDDEN>
Date: Mon, 26 Oct 2020 13:40:48 +0000
In-Reply-To: <CAPE069f4CRAD7L0UzOPjMR+mLebetqKOgG45JC51_GyCONuUrA@HIDDEN>
(Andrew Whatson's message of "Mon, 26 Oct 2020 22:20:51 +1000")
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Andrew Whatson <whatson@HIDDEN> writes:
> Hi Andrea,
>
> In the spirit of pre-compiling as much as possible, would it make
> sense to pre-compile all the trampolines when preparing a FULL_AOT
> build?
Hi Andrew,
IMO is not worth compiling almost 1500 files for really using just a few
of them. Also the compilation is realtivelly quick (~0.2s each on my
machine), I guess the most is GCC/GAS startup time. Indeed this time is
payed only once when the primitive is redefined the first time.
That said if you want to experiment I think something like this should
do the job:
(mapatoms (=CE=BB (s)=20=20=20=20
(when (subr-primitive-p (symbol-function s))
(comp-trampoline-compile s))))
Ciao!
Andrea
bug-gnu-emacs@HIDDEN:bug#44238; Package emacs.
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Andrew Whatson <whatson@HIDDEN>:bug-gnu-emacs@HIDDEN.
Full text available.bug-gnu-emacs@HIDDEN:bug#44238; Package emacs.
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