System and method for conditional task switching during ordering scope transitions
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United States of America Patent
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Jun 21, 2016
Grant Date -
Oct 1, 2015
app pub date -
Apr 1, 2014
filing date -
Apr 1, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A data processing system includes a processor core and a hardware module. The processor core performs tasks on data packets. The hardware module stores a first ordering scope identifier at a first storage location of the ordering scope manager. The first ordering scope identifier indicates a first ordering scope that a first task is operating in. The ordering scope manager increments the first ordering scope identifier to create a new ordering scope identifier. In response to determining that the processor core is authorized to transition the first task from the first ordering scope to a second ordering scope associated with the new ordering scope identifier, the ordering scope manager provides hint information to the processor core. The processor core transitions from the first ordering scope to the second ordering scope without completing a task switch in response to the hint information.
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