发明名称 |
Non-uniform memory access (NUMA) data processing system with multiple caches concurrently holding data in a recent state from which data can be sourced by shared intervention |
摘要 |
A non-uniform memory access (NUMA) computer system includes first and second processing nodes that are coupled together. The first processing node includes a system memory and first and second processors that each have a respective associated cache hierarchy. The second processing node includes at least a third processor and a system memory. If the cache hierarchy of the first processor holds an unmodified copy of a cache line and receives a request for the cache line from the third processor, the cache hierarchy of the first processor sources the requested cache line to the third processor and retains a copy of the cache line in a Recent coherency state from which the cache hierarchy of the first processor can source the cache line in response to subsequent requests.
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申请公布号 |
US6108764(A) |
申请公布日期 |
2000.08.22 |
申请号 |
US19980213997 |
申请日期 |
1998.12.17 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
BAUMGARTNER, YOANNA;ELMAN, ANNA |
分类号 |
G06F9/52;G06F12/08;(IPC1-7):G06F15/16 |
主分类号 |
G06F9/52 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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