> I have had a look on the web, but can't seem to find much 
> information on this.
> Does anyone know if the java compilers and runtime 
> environments included with Suns JDK 1.3 and 1.4 
> take advantage of a multiprocessor linux system(Assume a 
> fairly recent stable kernel) or will they use(in a 2 processor
> system) just one processor.  I want to speed up compile times 
> but am not sure if a multiprocessor system will do it.
>   
> I don't know if this is a function of the java compiler 
> itself or the operating system.

I would be very surprised if the compiler knew (or cared) how many
processors are present.  It should be transparently handled by the OS not
the compiler itself.  Especially given that javac produces bytecode for a VM
not a particular hardware architecture.

As to whether another processor would speed up compile times that's another
question - I would certainly imagine it would but maybe compiling is one of
those weird things that multiple processors aren't so good at... anyone else
know?

S.   :)


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