Hardware-assisted interthread push communication
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United States of America Patent
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May 17, 2016
Grant Date -
N/A
app pub date -
Jun 8, 2015
filing date -
Dec 22, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In a data processing system, a switch of the data processing system receives a request to push a message referenced by an instruction of a sending thread to a receiving thread. In response to receiving the request, the switch determines whether the sending thread is authorized to push the message to the receiving thread by attempting to access an entry of a data structure of the switch utilizing a key derived from at least one identifier of the sending thread. In response to access to the entry being successful, content of the entry is utilized to determine an address of a mailbox of the receiving thread, and the switch pushes the message to the mailbox of the receiving thread. In response to access to the entry not being successful, the switch refrains from pushing the message to the mailbox of the receiving thread.
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