发明授权
- 专利标题： Method and apparatus for improving system performance in multiprocessor systems
- 专利标题（中）： 提高多处理器系统性能的方法和装置
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申请号： US09334061申请日： 1999-06-16
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公开(公告)号： US06397304B1公开(公告)日： 2002-05-28
- 发明人: Varghese George
- 申请人： Varghese George
- 主分类号： G06F1200
- IPC分类号： G06F1200
摘要：
A method and apparatus to retrieve data for a multiprocessor system is described. A request for data is received at a first processor from a bus. A cache is searched for the data, with the data having a state. A determination is made as to whether the state is an exclusive state or shared state. The data is sent to the bus in accordance with the determination.
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