Zeugswetter Andreas SB SD wrote:
>
> > Anyway, I am pretty sure that PostgreSQL is not the culprit here. As it
> > happens this project is back on the table for me so it is interesting that
> > your email popped up now. I just compiled the latest version of PostgreSQL
> > on my AIX system and it generated lots of errors and then completed and
> > installed fine. Makes me sort of nervous. We'll see how it goes. Anyone
> > have any horror/success stories about PostgreSQL on AIX for me?
>
> The "errors" are mostly duplicate symbol warnings, that are part of generating
> a shared lib on AIX (in a mostly gcc and xlc independent way), and can be safely
> ignored.
>
> The imho most needed effort for AIX would be to switch the TAS stuff from
> cs() to fetch_and_or() or a PowerPC assembler or the test_and_set() that is
> undocumented/intended for kernel, see discussions from last year.
Yes, TODO has:
* Evaluate AIX cs() spinlock macro for performance optimizations (Tatsuo)
> The fetch_and_or() is a lot faster on multi processor systems but a little
> slower on single processor. But cs() is documented as depricated, so ...
Should I update the TODO item?
--
Bruce Momjian | http://candle.pha.pa.us
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