发明名称 |
Programmable agent and method for managing prefetch queues |
摘要 |
A programmable agent and method for managing prefetch queues provide dynamically configurable handling of priorities in a prefetching subsystem for providing look-ahead memory loads in a computer system. When it's queues are at capacity an agent handling prefetches from memory either ignores new requests, forces the new requests to retry or cancels a pending request in order to perform the new request. The behavior can be adjusted under program control by programming a register, or the control may be coupled to a load pattern analyzer. In addition, the behavior with respect to new requests can be set to different types depending on a phase of a pending request.
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申请公布号 |
US6470427(B1) |
申请公布日期 |
2002.10.22 |
申请号 |
US19990436373 |
申请日期 |
1999.11.09 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
ARIMILLI RAVI KUMAR;DODSON JOHN STEVEN;FIELDS, JR. JAMES STEPHEN;GUTHRIE GUY LYNN |
分类号 |
G06F12/08;(IPC1-7):G06F12/00 |
主分类号 |
G06F12/08 |
代理机构 |
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地址 |
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