发明授权
US07600076B2 Method, system, apparatus, and article of manufacture for performing cacheline polling utilizing store with reserve and load when reservation lost instructions
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方法,系统,设备和制造商品,用于在预约丢失指令时利用具有预留和负载的存储进行高速缓存线轮询
- 专利标题: Method, system, apparatus, and article of manufacture for performing cacheline polling utilizing store with reserve and load when reservation lost instructions
- 专利标题(中): 方法,系统,设备和制造商品,用于在预约丢失指令时利用具有预留和负载的存储进行高速缓存线轮询
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申请号: US11377506申请日: 2006-03-16
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公开(公告)号: US07600076B2公开(公告)日: 2009-10-06
- 发明人: Charles R. Johns
- 申请人: Charles R. Johns
- 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: Dillon & Yudell LLP
- 主分类号: G06F13/00
- IPC分类号: G06F13/00
摘要:
A method, system, apparatus, and article of manufacture for performing cacheline polling utilizing store and reserve and load when reservation lost instructions is disclosed. In one embodiment a method is provided which comprises storing a buffer flag busy indicator data value within a first cacheable memory location and setting a load/store operation reservation on said first cacheable memory location via a store and reserve instruction. In the described embodiment, a data value stored within the first cacheable memory location is accessed via a conditional load instruction in response to a determination that the load/store operation reservation on the first cacheable memory location has been reset. Conversely, execution of the conditional load instruction is stalled in response to a determination that the load/store operation reservation on the first cacheable memory location has not been reset.
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