[luatex] portable fmt between 32-bit/64-bit machines

[luigi scarso]

On Tue, Feb 8, 2022 at 3:24 AM Michal Vlasák <lahcim8 at gmail.com> wrote:

> On Tue Feb 8, 2022 at 1:58 AM CET, Michal Vlasák wrote:
> > I posted a few more details on github:
> >
> > https://github.com/latex3/latex2e/issues/775#issuecomment-1032099002
>
> An update to the proposed patch (more apparent error checking, correct
> for both LuaJIT/5.1 and 5.3). And hopefully a solution to the
> portability issue at hand (at least for some architectures).
>
> https://github.com/latex3/latex2e/issues/775#issuecomment-1032138520
>
> Hans, Luigi, what do you think?
>
> Of course there is a runtime cost, though negligible and it brings space
> savings, which is a trade off the Lua guys have already made in 5.4.
>
> I also think that the byte swapping for big/little endian could be done.
> If the saved format is little endian there should be no cost for most
> architectures (unlike the dump sharing on TeX side).
>
> Kind of related:
>
> https://mailman.ntg.nl/pipermail/dev-luatex/2021-July/006501.html
>
> Michal
>
>
Can you post a patch using the current luatex experimental repo at
https://serveur-svn.lri.fr/svn/modhel/luatex/branches/experimental/
(see http://www.luatex.org/download.html ) ?

-- 
luigi
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