[Fontconfig] fontconfig performance problems + FcConfigUptoDate() bug

[Keith Packard]

Around 19 o'clock on Aug 9, Lubos Lunak wrote:

>  I'd like to ask if there are any plans to do the mmap() thing in fontconfig 
> in the foreseeable future. I just posted a patch[*] to xdg@ mailing list 
> solving the XIM problem in a similar way, so I thought I'd check the status.

There is a desire, but not any implementation underway.

We'll have to completely replace the existing cache file structure to 
usefully benefit from an mmap-based system.  Fortunately, this is possible 
as fontconfig version-numbers the cache files.

If you have an interest, I can point you in suitable directions.

-keith


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