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Parallel Dispatch Queue: A Queue-Based Programming Abstraction to Parallelize Fine-Grain Communication Protocols

Date Added: Jan 2014
Format: PDF

In this paper, the authors propose a novel queue-based programming abstraction, Parallel Dispatch Queue (PDQ) that enables efficient parallel execution of fine-grain software communication protocols. Parallel systems often use fine-grain software handlers to integrate a network message into computation. Executing such handlers in parallel requires access synchronization around resources. Much as a monitor construct in a concurrent language protects accesses to a set of data structures, PDQ allows messages to include a synchronization key protecting handler accesses to a group of protocol resources.