Receive-side scaling in a computer system using sub-queues assigned to processing cores
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United States of America Patent
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May 2, 2017
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N/A
app pub date -
Mar 15, 2013
filing date -
Mar 15, 2013
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Abstract
A system, method, and computer program product are provided for receiving an incoming data stream. The system comprises a multi-core processor with a memory unit that is configured to include a circular queue that receives a data stream. The circular queue is divided into a plurality of sub-queues determined as a multiple of the number of processing cores, and each sub-queue is assigned to one processing core such that as data is received into a region covered by a particular sub-queue, the processing core assigned to the particular sub-queue processes the data. The system is also configured to update a head pointer and a tail pointer of the circular queue. The head pointer is updated as data is received into the circular queue and the tail pointer is updated by a particular processing core as it processes data in its assigned sub-queue.
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