发明授权
US06990556B2 System and method for simultaneous access of the same doubleword in cache storage
失效
高速缓存存储中同一双字的同时访问的系统和方法
- 专利标题: System and method for simultaneous access of the same doubleword in cache storage
- 专利标题(中): 高速缓存存储中同一双字的同时访问的系统和方法
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申请号: US10436221申请日: 2003-05-12
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公开(公告)号: US06990556B2公开(公告)日: 2006-01-24
- 发明人: Mark A. Check , Aaron Tsai
- 申请人: Mark A. Check , Aaron Tsai
- 申请人地址: US NY Armonk
- 专利权人: International Business Machines Corporation
- 当前专利权人: International Business Machines Corporation
- 当前专利权人地址: US NY Armonk
- 代理机构: Cantor Colburn LLP
- 代理商 Lynn Augspurger
- 主分类号: G06F12/00
- IPC分类号: G06F12/00
摘要:
An embodiment of the invention is a processor for providing simultaneous access to the same data for a plurality of requests. The processor includes cache storage having an address sliced directory lookup structure. A same doubleword detection unit receives a first instruction including a plurality of first instruction fields on a first pipe and a second instruction including a plurality of second instruction fields on a second pipe. The same doubleword detection unit generates a same doubleword signal in response to the first instruction fields and the second instruction fields. The cache storage reads data from a single doubleword in the cache storage and simultaneously provides the doubleword to the first pipe and the second pipe in response to the same doubleword signal.
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