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From: Andrea Corallo <akrl@sdf.org>
To: Eli Zaretskii <eliz@gnu.org>
Cc: emacs-devel@gnu.org
Subject: Re: Pure space and overflow question
Date: Fri, 21 Feb 2020 13:54:42 +0000	[thread overview]
Message-ID: <xjfy2sw2ggt.fsf@sdf.org> (raw)
In-Reply-To: <83blpsjelc.fsf@gnu.org> (Eli Zaretskii's message of "Fri, 21 Feb 2020 14:43:11 +0200")

Eli Zaretskii <eliz@gnu.org> 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.

Okay

> 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.

Thanks

  Andrea

--
akrl@sdf.org



  reply	other threads:[~2020-02-21 13:54 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-20 18:04 Pure space and overflow question Andrea Corallo
2020-02-20 19:56 ` Eli Zaretskii
2020-02-20 22:10   ` Andrea Corallo
2020-02-21 11:53   ` Andrea Corallo
2020-02-21 12:43     ` Eli Zaretskii
2020-02-21 13:54       ` Andrea Corallo [this message]
2020-02-21 14:16         ` Eli Zaretskii
2020-02-21 15:23           ` Andrea Corallo

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