Synchronising Asynchronous Communications

BSP is a model of parallel computation which employs global synchronisation as a means of ensuring that a set of communications has reached completion. The efficiency properties of the model have been widely investigated. In this paper the model's associated semantic framework is studied. An axiomatic treatment of global synchronisation is presented. The proof rule proposed for synchronisation is evaluated in the context of semantic frameworks for a general parallel process model and for data-parallel computation.

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