PERFORMANCE ISOLATION WITHIN DATA PROCESSING SYSTEMS SUPPORTING DISTRIBUTED MAINTENANCE OPERATIONS
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United States of America Patent
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Issued Date -
Oct 10, 2013
app pub date -
Apr 6, 2012
filing date -
Apr 6, 2012
priority date (Note) -
Abandoned
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Abstract
A data processing system 2 incorporates a plurality of processing elements 4, 6, 8, 10, 12 which may exchange broadcast maintenance messages, such as local instruction cache invalidation messages. Behaviour modification circuitry disposed either at the request generator, the request receiver or on route serves to modify the broadcast maintenance requests if one or more predetermined conditions are met. The predetermined conditions may include a message rate being exceeded, a message being redundant due to a preceding message, etc.
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