Interrupt moderation
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Mar 12, 2013
Grant Date -
Nov 8, 2012
app pub date -
Jul 16, 2012
filing date -
Oct 16, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A technique for interrupt moderation allows coalescing interrupts from a device into groups to be processed as a batch by a host processor. Receive and send completions may be processed differently. When the host is interrupted for receive completions, it may check for send completions, reducing the need for interrupts related to send completions. Timers and a counter allow coalescing interrupts into a single interrupt that can be used to signal the host to process multiple completions. The technique is suitable for both dedicated interrupt line and message-signaled interrupts.
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