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System and method for enabling weak consistent storage advantage to a firmly consistent storage architecture
System and method for enabling weak consistent storage advantage to a firmly consistent storage architecture
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机译:用于实现弱一致性存储优势到牢固一致性存储体系结构的系统和方法
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摘要
Disclosed is a method of processing instructions in a data processing system. An instruction sequence that includes a memory access instruction is received at a processor in program order. In response to receipt of the memory access instruction a memory access request and a barrier operation are created. The barrier operation is placed on an interconnect after the memory access request is issued to a memory system. After the barrier operation has completed, the memory access request is completed in program order. When the memory access request is a load request, the load request is speculatively issued if a barrier operation is pending. Data returned by the speculatively issued load request is only returned to a register or execution unit of the processor when an acknowledgment is received for the barrier operation.
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