On Thu, Jan 15, 2009 at 8:35 PM, Mark H. <mark.hoem...@gmail.com> wrote: > > Welcome to the group! :-) > > On Jan 15, 1:38 am, stuhood <stuh...@gmail.com> wrote: >> The benchmark contains 4 bi-directional dictionary implementations: >> * MDict - Java implementation using the synchronized keyword, >> * RWDict - Java implementation using a ReadWriteLock, >> * CLJDict - Clojure implementation using the (locking x) macro on >> Java HashMaps, >> * STMDict - Clojure implementation using two refs on maps. > > Doesn't Java already have a more optimized thread-safe hash table that > works by locking individual buckets, rather than the whole table? > Maybe I'm just confused ;-P
It does: http://java.sun.com/javase/6/docs/api/java/util/concurrent/ConcurrentHashMap.html Alternative implementations of concurrency-aware HashMaps also exists out on the 'nets (NBHashMap by Cliff Click and FashHashMap in Javolution). > > mfh > > > -- Venlig hilsen / Kind regards, Christian Vest Hansen. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en -~----------~----~----~----~------~----~------~--~---
