Improved method and apparatus for facilitating barrier and eureka synchronization in a massively parallel processing system. The present barrier/eureka synchronization mechanism provides a partitionable, low-latency, immediately reusable, robust mechanism which can operate on a physical data-communications...http://www.google.fr/patents/US6085303?utm_source=gb-gplus-shareBrevet US6085303 - Seralized race-free virtual barrier network
