Václav Pech just announced the final release of GPars 1.0, the concurrency and parallel toolkit for Groovy and Java. We’ll bundle GPars 1.0 in the Groovy 2.1 distribution coming very soon! Let me quote some of the key changes and enhancements of this release (quoting from the “what’s new” section of the user guide): Asynchronous functions Allowed for delayed and explicit thread pool assignment strategies for asynchronous functions Performance tuning to the asynchronous closure invocation mechanism Parallel collections Read more...