COHERENCY PROBE RESPONSE ACCUMULATION
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United States of America Patent
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Apr 28, 2016
app pub date -
Oct 24, 2014
filing date -
Oct 24, 2014
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Abstract
A processor accumulating coherency probe responses, thereby reducing the impact of coherency messages on the bandwidth of the processor's communication fabric. A probe response accumulator is connected to a processing module of the processor, the processing module having multiple processor cores and associated caches. In response to a coherency probe, the processing module generates a different coherency probe response for each of the caches. The probe response accumulator combines the different coherency probe responses into a single coherency probe response and communicates the single coherency response over the communication fabric.
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