Method and apparatus for dynamic data block length adjustment
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United States of America Patent
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Jun 25, 1991
Grant Date -
N/A
app pub date -
Jun 30, 1989
filing date -
Jun 30, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus for sensing the amount of current data traffic on a high speed parallel bus, such as a Multibus II, and dynamically adjusting the allowable length of a any data block from any bus agent to optimize bus efficiency. A data transfer activity counter or similar device counts the amount of bits transferred in a predetermined sample interval, which is decoded after every sample interval and the allowable block length adjusted. The data block lengths are preselected to optimize efficiency at various average operating conditions with the further consideration that each agent has a maximum data latency time which should not be exceeded before that agent gains access to the bus.
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