Invention Grant
US09104411B2 System and method for controlling central processing unit power with guaranteed transient deadlines 有权
控制中央处理单元功率的系统和方法,保证瞬时截止

System and method for controlling central processing unit power with guaranteed transient deadlines
Abstract:
Methods, systems and devices that include a dynamic clock and voltage scaling (DCVS) solution configured to compute and enforce performance guarantees to ensure that a processor does not remain in a busy state (e.g., due to transient workloads) for more than a predetermined amount of time above that which is required for that processor to complete its pre-computed steady state workload. The DCVS may adjust the frequency and/or voltage of a processor based on a variable delay to ensure that the processing core only falls behind its steady state workload by, at most, a predefined maximum amount of work, irrespective of the operating frequency or voltage of the processor.
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