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Re: size of emacs executable after unicode merge

From: Emanuele Giaquinta
Subject: Re: size of emacs executable after unicode merge
Date: Thu, 30 Oct 2008 11:18:19 +0100

On Sat, May 17, 2008 at 09:56:58AM +0900, Kenichi Handa wrote:

> In article <address@hidden>, Jason Rumney <address@hidden> writes:
> > How big are the data structures holding all the unicode character info 
> > and translation tables for encodings?
> I have not yet calculated them.  Each CJK charset defined by
> a map need a char-table of encoding and a vector for
> decoding.
> > At one point you said you wanted 
> > to make the unicode tables be loaded on demand but AFAIK they are 
> > currently dumped into the emacs executable. Could that account for a 
> > large proportion of the size increase?
> They are surely loaded on demand.  And, at the end of the
> dumping process, by calling clear-charset-maps, all loaded
> maps are set to nil, and then garbage-collect is called.  So
> I think they are not included in the dumped Emacs.  Perhaps
> some other char-table is the culprit.  Maybe
> Vchar_unify_table.  I must re-read src/charset.c.

If I comment the load_charset_map_from_file call in unify_charset the
data segment size is back to normal.


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