GCJ performance [was Re: GNU Java Compiler and Swarm]

[Marcus G. Daniels]

MD> we'll either find a bottleneck in libgcj itself or perhaps
MD> a more expensive garbage collection problem. 

In today's snapshot there are changes that reduce the `root set' of the
conservative garbage collector in GCJ to a bare minimum.  That speeds up
some of the Java models I've been using a fair amount, e.g. 10-20%.

I'm not going to jump in to the Java/Objective-C conversions issue
immediately, but it's coming in to the sights..  That could easily double
the performance of most Java models.

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