Hi Michael,
first of all, please don't strip me from the Cc - when you are answering
to me send me a copy since I might not receive your message otherwise
(like in this case here).
> fontconfig was without pthreads for its lifetime prior to 2.11, so
> there won't be any performance regressions. Granted pthreads disabled
> may hold back a performance gain.
>...
> The logic of course is that it fixes a currently completely broken
> xpdf package while retaining 2.10 and prior behavior with respect to
> pthreads in this package.
Have you actually looked at the fontconfig code you are changing?
What you write here is simply wrong - we are not talking about a
performance gain in 2.11, we are talking about how big the performance
loss is compared to 2.10.
fontconfig was without thread-safety primitives prior to 2.11, and 2.11
has many improvements in that area compared to 2.10.
Generally, I'd expect that to cost some performance in 2.11 compared
to 2.10.
The relevant question for our discussion is how the performance differs
between the pthreads code and the replacement code.
So no, we are not talking about anything like "2.10 and prior behavior"
in fontconfig - "2.10 and prior behavior" might be more like completely
disabling thread-safety in fontconfig by defining FC_NO_MT.
> There is currently no requirement for nmus to fix all known RC issues
> known at the time. Maybe that idea should be suggested to
> developers-reference?
For the other RC bugs in fontconfig it would actually make sense to fix
them in fontconfig - for the issue here the only thing that should be
done in fontconfig is a Breaks on unfixed xpdf versions.
> Anyway, I understand your viewpoint, but I would prefer the
> maintainers to weigh in. Like I've already said, I'm completely happy
> to delay, alter, or cancel based on their feedback.
Please remove your NMU first.
Abusing the fact that the maintainers seem to be a bit inactive to force
your change into the archive would be highly unfair.
Thanks in advance
Adrian
--
"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed
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