Importance

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Abstract

Synchronizing access to resources in a hybrid computing environment that includes a host computer, a plurality of accelerators, the host computer and the accelerators adapted to one another for data communications by a system level message passing module, where synchronizing access to resources includes providing in a registry, to processes executing on the accelerators and the host computer, a key associated with a resource, the key having a value; attempting, by a process, to access the resource including determining whether a current value of the key represents an unlocked state for the resource; if the current value represents an unlocked state, attempting to lock access to the resource including setting the value to a unique identification of the process; determining whether the current value is the unique identification of the process; if the current value is the unique identification accessing the resource by the process.

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First Claim