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    • 9. 发明申请
    • DETERMINING PERFORMANCE SENSITIVITIES OF COMPUTATIONAL UNITS
    • 确定计算单位的绩效敏感度
    • WO2011011668A1
    • 2011-01-27
    • PCT/US2010/043029
    • 2010-07-23
    • ADVANCED MICRO DEVICES, INC.NUSSBAUM, SebastienBRANOVER, AlexanderKALAMATIANOS, John
    • NUSSBAUM, SebastienBRANOVER, AlexanderKALAMATIANOS, John
    • G06F1/32
    • G06F1/3203G06F1/324G06F1/3296Y02D10/126Y02D10/172
    • Performance sensitivities to a change in performance capabilities of computational units of a computer system are determined based on measured utilization metrics for each of the computational units. In order to determine the performance sensitivities, in one approach, the computational units are operated at a first performance level, and respective first utilization metrics are determined. The computational units are then operated at a second performance level and respective second utilization metrics are determined. The sensitivity to performance capability change, e.g., a frequency change, is determined based on the respective first and second utilization metrics. The performance sensitivities of the computational units to a change in performance capability are continually updated in response to, e.g., a process context change of a computational unit or in response to a predetermined period of time elapsing since the last sensitivity to a performance capability change was determined for a computational unit.
    • 基于用于每个计算单元的测量的利用度量确定对计算机系统的计算单元的性能能力变化的性能敏感度。 为了确定性能灵敏度,在一种方法中,计算单元在第一性能级别下操作,并且确定各自的第一使用度量。 然后,计算单元在第二性能水平下操作并确定相应的第二利用度量。 基于相应的第一和第二利用度量来确定对性能能力改变的敏感性,例如频率变化。 响应于例如计算单元的处理上下文变化或响应于经过的预定时间段,持续地更新计算单元对性能能力变化的性能敏感度,因为对性能能力变化的最后敏感度为 确定一个计算单位。