1. Concurrentskiplistmap from java.util.concurrent. http: //docs.oracle.com/javase/7/docs/api/java/util/ concurrent/ConcurrentSkipListMap.html. Concurrentskiplistmap from java.util.concurrent. http: //docs.oracle.com/javase/7/docs/api/java/util/ concurrent/ConcurrentSkipListMap.html.
2. C++ concurrent data structures from libcd. http://libcds. sourceforge.net/. C++ concurrent data structures from libcd. http://libcds. sourceforge.net/.
3. Tl2 implementation. github.com/daveboutcher/tl2-x86-mp. Tl2 implementation. github.com/daveboutcher/tl2-x86-mp.
4. Transactional predication
5. A practical concurrent binary search tree