| 摘要 |
Sending, by a node requesting information regarding a resource to one or more nodes in a distributed computing system, an active message to perform a collective operation; contributing, by each node not having a resource, a value of zero to the collective operation; contributing, by a node having the resource, the node's rank; storing the result of the collective operation in a buffer of the requesting node; and identifying, in dependence upon the result of the collective operation, the rank of the node having the resource.
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