> > Schoeberl and Puffitsch for one produced a mostly non blocking
> garbage
> > collection for Java which only blocks the threads it needs and only
> at the
> > points it has to. Rather useful for multi-threaded systems.
> 
> If it is non-blocking, why would one be concerned about the elapsed
> time of GC and what would be the interest of having multiple threads
> working in parallel on GC. Or would you really have allocation rates
> so high that a single thread could not keep with it? Or should we
> conclude that current implementations don't deploy such algorithms?

The port of the Sun JDK we did does include the algorithm described above. 

--d b

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