[XeTeX] Gentium Book / Book Basic + TeX Ligatures = memory leak

[Khaled Hosny]

On Wed, Nov 12, 2014 at 06:21:40PM +0900, Simon Cozens wrote:
> On 12/11/2014 17:07, Khaled Hosny wrote:
> > I'll try to see what is going on here, might be a bug or just XeTeX
> > trying hard to find the font from the incorrect name it is given.
> 
> Well, if it was that, then Gentium:Ligatures=TeX would suffer the same
> problem. But it doesn't. Just changing the font causes the problem.
> 
> Also, it's showing classic signs of a memory leak - xetex gets
> progressively slower until it's barely usable, and memory footprint
> increases.
> 
> Can't reproduce on Linux though.

So I tried to reproduce this, and I can reproduce it with TL 2013 and
2014 binaries (but those have no debug symbols so can’t really pinpoint
the source of the slowness). However, I can’t reproduce it with binaries
built from latest sources, so whatever was the issue seems to be fixed
now.

Regards,
Khaled