Description
There have been several performance enhancements and bug fixes to the JSR 166 code since it was originally copied into Harmony in 2006.
http://gee.cs.oswego.edu/cgi-bin/viewcvs.cgi/jsr166/src/main/java/util/concurrent/
I'll prepare a patch to bring Harmony up-to-date, which I'll can then use to bring Android up-to-date. We're tracking this here:
http://code.google.com/p/android/issues/detail?id=3108