Lenovo International Limited

Région administrative spéciale de Hong Kong (République populaire de Chine)

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CONCURRENT ACCESS OF SHARED RESOURCES

      
Numéro de document 02522096
Statut Délivré - en vigueur
Date de dépôt 2004-04-15
Date de disponibilité au public 2004-11-04
Date d'octroi 2012-09-18
Propriétaire LENOVO INTERNATIONAL LIMITED (Hong Kong)
Inventeur(s)
  • Armstrong, Troy David
  • Lucke, Kyle Alan

Abrégé

An apparatus, program product and method to manage access to a shared resource by a plurality of processes in a multithreaded computer via a collection of atomic operations that track both the order in which requests that use a shared resource are received, and the order in which processing of such requests are completed after they are received. Dispatching of requests is effectively deferred until processing of all non-dispatched requests that were received earlier than a most recently completed request has been completed. In many instances, completion of processing of requests can be performed non- atomically, thus reducing contention issues with respect to the shared resource. Furthermore, dispatching of requests may be batched to reduce the overhead associated with individual dispatch operations.

Classes IPC  ?

  • G06F 9/52 - Synchronisation de programmes; Exclusion mutuelle, p.ex. au moyen de sémaphores