| 摘要 |
One embodiment of the present invention sets forth a technique for executing an operation once work associated with a version of a state object has been completed. The method includes receiving the version of the state object at a first stage in a processing pipeline, where the version of the state object is associated with a reference count object, determining that the version of the state object is relevant to the first stage, incrementing a counter included in the reference count object, transmitting the version of the state object to a second stage in the processing pipeline, processing work associated with the version of the state object, decrementing the counter, determining that the counter is equal to zero, and in response, executing an operation specified by the reference count object.
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