发明名称 Method for just-in-time delivery of load data by intervening caches
摘要 A method for ordering the time of issue of a load instruction from a lower level (L2) intervening cache, interlinked by a system bus to a first L2 cache. The method comprises the steps of (i) appending a cycle of dependency (CoD) value to said load instruction, where the CoD value corresponds to a specified time, measured in cycles, on a synchronized timer (ST) at which the data is required by a downstream dependency, (ii) monitoring when a search of the first cache by said load instruction results in a miss, (iii) searching the load instruction at the second cache when the miss is detected, and (iv) providing the data requested by the load instruction from the intervening cache to a pipeline of a system resource of said first L2 cache at the specified time.
申请公布号 US6505277(B1) 申请公布日期 2003.01.07
申请号 US19990344057 申请日期 1999.06.25
申请人 INTERNATIONAL BUSINESS MACHINES CORPORATION 发明人 ARIMILLI RAVI KUMAR;ARIMILLI LAKSHMINARAYANA BABA;DODSON JOHN STEVEN;LEWIS JERRY DON
分类号 G06F9/38;G06F12/08;(IPC1-7):G06F12/00 主分类号 G06F9/38
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