Apparatus and method for scheduling requests to source device in a memory access system
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United States of America Patent
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Apr 8, 2008
Grant Date -
Jul 27, 2006
app pub date -
Jan 21, 2005
filing date -
Jan 21, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus and method for scheduling requests to a source device is provided. The apparatus comprises a high-priority request queue for storing a plurality of high-priority requests to the source device; a low-priority request queue for storing a low-priority request to the source device, wherein a priority of one of the high-priority requests is higher than the priority of the low-priority request; a history counter for storing an information related to at least one requesting interval between two adjacent high-priority requests; and a scheduling module for scheduling the high-priority requests and the low-priority request according to the information.
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