On 05/26/2012 12:29 PM, Doug Lea wrote: > (Sometime this summer, I hope to write up something on > the various "little" coding issues that may be applicable > for improving performance of library code. As people > mentioned wrt the similar private accessor case, > most of these issues are not interesting/useful for > application code, but there's no reason not to address > them inside heavily used core libraries. The effects > are difficult to measure in any small set of tests using > these library components, so usually the best course of action > is to avoid known potential performance issues.)
The thing that bothers me about this is that such optimizations may be rather VM-specific, sometimes to the extent of depending on how HotSpot generates code for a particular case. Given that the OpenJDK libraries are now used more widely, and hopefully this will increase, what shall we do? Andrew.