The problems with StringBuilders...

Tue Oct 4 14:09:00 GMT 2005

On 10/4/05, Andrew Haley <aph@redhat.com> wrote:
> Radu Racaru writes:
> > Escape analysis is an old item on the gcj todo list, fortunately
> > I've seen it working in Excelsior JET to say that it really does
> > what it should do regarding the performance.
>> Ah, that's interesting. What do they do with inheritance? Perhaps
> methods have to be final to be analyzed, or they do whole-program
> optimization?

they have a paper here http://www.excelsior-usa.com/pdf/StackAlloc.pdf
and more here
http://www.excelsior-usa.com/publications.html
>> > Sun has implemented the escape analysis logic in their new 1.6
> > version, the first fruit to come is simple lock coarsening
> > (backported to 1.5_05) followed by uncontended synchronization and
> > stack allocation. I really like to see this technique build on gcj
> > (gcjx)
>> Sure. We know how to do most of this stuff, but...
>> Andrew.
>