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Re: Pure space and overflow question

From: Andrea Corallo
Subject: Re: Pure space and overflow question
Date: Fri, 21 Feb 2020 13:54:42 +0000
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux)

Eli Zaretskii <address@hidden> writes:

> IMO, SYSTEM_PURESIZE_EXTRA is for specific _platforms_.  So if a
> specific configuration on some platform needs more pure space, but
> other configurations on the same platform do not, that specific
> configuration should conditionally enlarge BASE_PURESIZE.


> That said, why does your configuration require more pure space than
> any other on that same platform?

Effectively in comp.c are allocate object that goes into pure space and
all the code is under #ifdef HAVE_NATIVE_COMP.

Also the constant objects present in every compilation unit can have a
small overhead respect to the elc one.  This is because they include the
data used by the 'top_level_run' function.

We could split this but personally I'm not sure is worth to complexify
the design to save some KBs of configuration specific pure space.




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