Re: lmtx

[Henri Menke <henrimenke@gmail.com>]

On 2/04/19 10:05 PM, Hans Hagen wrote:
> Hi,
> 
> So, for those who hesitate to check out lmtx, here is some information.
> 
> - In order to achieve long term stability context will use a lean and 
> mean variant of luatex (although for now context will keep running on 
> luatex too; i might drop support for luajittex). Eventually the source 
> code will be part of the context distribution so that one can always 
> compile a binary that matches an archived context version.
> 
> - This version also permits us to experiment (even very extreme) without 
> interupting the parent program luatex, which is now used by other macro 
> packages too and therefore needs to be frozen in functionality. Some 
> features might trickle back into luatex eventually (unless it breaks 
> compatibility).
> 
> - As a direct effect it means that context does a bit more: creating the 
> pdf file (already most is done anyway in mkiv), dealing with font 
> embedding, handling image inclusion, etc. For sure there can be issues 
> with that but it has run on my machine already for quite a while.
> 
> - It is hard to be conclusive about performance but for instance the 
> luatex manual processes a bit faster with lmtx as does the test suite. A 
> gain in performance on very demanding documents is also observed by Alan 
> and Thomas. Normally one can expect a similar performance. However, the 
> memory footprint could be a bit smaller.
> 
> - The current somewhat hybrid codebase of context will stepwise be 
> adapted so that at some point we can start experimenting with some 
> pending ideas. (Which is why i sometimes answer "later this year".)

Where can I find the C sources for the luametatex engine?

> 
> Anyway, it might not look like it, but it is a conceptual change in how 
> context evolves.
> 
> Hans
> 
> 
> -----------------------------------------------------------------
>                                            Hans Hagen | PRAGMA ADE
>                Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
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If your question is of interest to others as well, please add an entry to the Wiki!

maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
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archive  : https://bitbucket.org/phg/context-mirror/commits/
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