Setting things up for using parallel STL C++17

[Pavel Sanda]

On Wed, Aug 31, 2022 at 10:02:55AM -0400, Scott Kostyshak wrote:
> > > By the way, I've sometimes wanted a more aggressive graphics loader. I
> > > think it's pretty impressive how it currently works and converts things
> > > on-the-fly with scrolling, but I would like to be able to say "don't
> > > wait for me to scroll, just start converting after I open the .lyx
> > > file". I know that would involve a lot of wasted cycles, but sometimes I
> > > would prefer that.
> > 
> > The same here. If you come up with lfun to load up everything in background
> > that would be useful.
> 
> I am guessing that you would be against a "performance" tab in LyX? For
> example, "Performance" is one of the 6 preference categories of Okular.
> The option within there I like the most is "Memory Usage". I can set it
> to "Greedy" and then zoom in far to PDF and still be able to scroll. I
> like having that control. But I understand that we want to be careful
> before adding more preferences.

Seems like too little music for a new tab. But I wouldn't be against 
preference checkbox for loading all images when document loads (by
default false).

For my own use I would just bind the lfun to some keyboard shortcut
and use when necessary.

Pavel