[jdom-interest] Re: New realease, Text class... Arghh

Alex Rosen arosen at silverstream.com
Mon Jan 28 10:33:14 PST 2002

> The layman's understanding I have of it is that HotSpot uses an "object
> nursery" for new objects (think a block of reserved memory) and only
> when the object lives through one full cycle of the nursery is it moved
> to the real heap.  Since you don't get direct pointers in Java this is
> conveniently possible.  Turns out to be far faster than malloc() in C.
> You'd have to do your own pooling in C to match it.

Dunno... I'd be very surprised if malloc + free in C wasn't significantly
faster than new + GC in Java. In my experience, reducing object allocation
(and GC that this implies) is one of the most productive ways to speed up
Java code.


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