"Duane M. Gran" wrote:
>
> > So even if your Java program is threaded, the bottleneck is still the
> >single-process JVM, reducing your gain on SMP systems from threading to
> >none. Optimization of many threads within the JVM itself is quite good
> >from what I have read.
>
> JDK 1.2 (or Java 2 if one prefers) takes advantage of SMP on Solaris for
> SPARC. I'm not aware of any other JDK implementation that does this.
> Multiple processors won't help Java speed directly without support for
> SMP,
OK, I did not know that -> are you saying that Java on Solaris does not
require a JVM (ie: Java binary executeables are supported directly by
the OS kernel)? Or that the JVM is multi-threaded itself on Solaris?
>but this is starting to veer from the subject of JServ. ;)
Actually I find that it is quite relevant. Discussion of how Java-JServ
applications will run under a real-world SMP system implementation is a
good topic to sift through. Some of us might want to be putting
Java-JServ under high loads, and SMP is a good way of dealing with those
loads.
Chris
__________________________________________________________________________
Pournelle's Law:
If you do not know what you are doing, deal with people who do.
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