Techniques for reducing the rate of instruction issuance
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United States of America Patent
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Mar 28, 2006
Grant Date -
Mar 28, 2002
app pub date -
Feb 23, 2001
filing date -
Nov 13, 1998
priority date (Note) -
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Abstract
A method and system in a multithreaded processor for processing events without interrupt notifications. In one aspect of the present invention, an operating system creates a thread to execute on a stream of the processor. During execution of the thread, the thread executes a loop that determines whether an event has occurred and, in response to determining whether an event has occurred, assigns a different thread to process the event so that multiple events can be processed in parallel and so that interrupts are not needed to signal that the event has occurred. Another aspect of the present invention provides a method and system for processing asynchronously occurring events without interrupt notifications. To achieve this processing, a first thread is executed to generate a notification that the event has occurred upon receipt of the asynchronously occurring event. A second thread is also executed that loops determining whether a notification has been generated and, in response to determining that a notification has been generated, performing the processing necessary for the event.
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