On Thu, Jun 24, 1999 at 12:47:17PM -0700, Nathan Meyers wrote:
> > Dan Iuster wrote:
> >
> > I would like to know if there is a different version of the JVM
> > compiled for multiprocessor Linux systems than for uniprocessor.
> >
> > Has anybody experienced any problems or performance issues with using
> > the uniprocessor version on multiprocessor systems ?
> >
> > Any feedback would be greatly appreciated.
>
> No special versions. If you're asking about JDK1.2, the reason it's
> still at prerelease is some stability problems with native threads
> (which you're presumably using given your interest in multiprocessing).
> The porting team hasn't provided much detail about the nature of the
> problems, but they've caused an impressive release delay and are
> apparently vigorously resisting cure.
>
> Nathan
At the Java-Linux BOF at JavaOne, Steve talked a little about some of the
delays. What I got as one of the main problems was a very difficult
problem of Linux native threads and signal-handling in the JVM. Steve said
that they are not only just porting, but also trying to add value to the
code by eliminating some of the more problematic code (read more
Solaris-specific) to try to make future ports easier. This, in theory,
should make all future ports easier and better (more portable code
constructions). What is uncertain is whether or not Sun will incorporate
some of the constructions that are a part of this port. I hope I'm not
putting words in Steve's mouth, just trying to help out with more info.
-Bryan
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