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Re: Speed Impact experiment on GCJ
On Wed, 15 Feb 2006 18:22:02 +0000, Andrew Haley wrote:
> Holger Hoffstaette writes:
> > 1.6 build, because that will make the 1.5 test look slow. :-) The one
> > thing where gcj used to have a very clear advantage was
> > interface-method invocation since before 1.5 that used to be up to 10
> > (!) times slower than direct method invocations; this was reduced to a
> > factor of ~1.8 in 1.5 and completely optimized away in Mustang.
> Err, how do they do that, then? Is there a paper somewhere?
Sorry, not that I know. I more or less discovered this by accident too..
> gcj is going to get escape analysis sooner or later, as it's an ongoing
> gcc project. That will certainly be interesting.