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OPTIMIZING NON-PREEMPTIBLE READ-COPY UPDATE FOR LOW-POWER USAGE BY AVOIDING UNNECESSARY WAKEUPS
OPTIMIZING NON-PREEMPTIBLE READ-COPY UPDATE FOR LOW-POWER USAGE BY AVOIDING UNNECESSARY WAKEUPS
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机译:通过避免不必要的唤醒来优化低功耗的不可复制读副本更新
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摘要
A technique for low-power detection of a grace period following a shared data element update operation that affects non-preemptible data readers. A grace period processing action is implemented that requires a processor that may be running a non-preemptible reader of the shared data element to pass through a quiescent state before further grace period processing can proceed. A power status of the processor is also determined. Further grace period processing may proceed without requiring the processor to pass through a quiescent state if the power status indicates that quiescent state processing by the processor is unnecessary.
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