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Re: Interrupted IO and AWT
Jeff Sturm <jsturm@sigma6.com> writes:
> Tom, I think you mentioned once the use of locks for Java string
> concatenation:
>
> String f(int i) {
> return "f(" + i + ") called";
> }
>
> That method will normally do a monitorenter/monitorexit twice. Lock
> avoidance may eliminate the useless locks in string contentation
> completely.
That is certainly a special case we can do by just having the compiler
emit non-locking calls. That should be straight-forward to fix.
We can also "inline" the StringBuffer on the stack (though not
necessarily the buffer's data, of course), by using a special
(non-Java) C++ class.
--
--Per Bothner
per@bothner.com http://www.bothner.com/~per/