Re: Emacs i18n

[Eli Zaretskii]

> From: Paul Eggert <address@hidden>
> Date: Sat, 9 Mar 2019 11:55:15 -0800
> 
> Eli Zaretskii wrote:
> > So you are saying that we should have a single catalog for all the
> > other .el files, and load it unconditionally in every Emacs session?
> > That'd waste memory, no?
> Assuming we use GNU gettext, it'd consume virtual memory but not as much 
> physical memory, as GNU gettext mmaps the message catalog (using PROT_READ so 
> that it's read-only and the physical data can be shared). Only pages 
> containing 
> actual translations should need to be brought into physical memory (along 
> with 
> the indexes to these pages).
> 
> The total amount of virtual memory would depend on the catalog size. A 
> reasonable upper bound for current Emacs master would be 61 MB (the sum of 
> sizes 
> of all of Emacs's .el files). Although 61 MB is nontrivial, there should be 
> little trouble fitting it into virtual memory even on a 32-bit platform.

The same is true for the Lisp files themselves.  Yet we don't load
them all in advance, because that's simply not economical.