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    • 92. 发明申请
    • APPARATUS, METHOD AND PROGRAM PRODUCT FOR ADAPTIVE REAL-TIME POWER AND PERFOMANCE OPTIMIZATION OF MULTI-CORE PROCESSORS
    • 用于自适应实时功率和多核处理器的性能优化的装置,方法和程序产品
    • US20090138737A1
    • 2009-05-28
    • US11946522
    • 2007-11-28
    • Daeik KimJonghae KimMoon J. KimJames R. Moulic
    • Daeik KimJonghae KimMoon J. KimJames R. Moulic
    • G06F1/32
    • G06F1/324G06F1/32
    • An apparatus, method and program product for optimizing core performance and power in of a multi-core processor. The apparatus includes a multi-core processor coupled to a clock source providing a clock frequency to one or more cores, an independent power supply coupled to each core for providing a supply voltage to each core and a Phase-Locked Loop (PLL) circuit coupled to each core for dynamically adjusting the clock frequency provided to each core. The apparatus further includes a controller coupled to each core and being configured to collect performance data and power consumption data measured for each core and to adjust, using the PLL circuit, a supply voltage provided to a core, such that, the operational core frequency of the core is greater than a specification core frequency preset for the core and, such that, core performance and power consumption is optimized.
    • 一种用于优化多核处理器的核心性能和功耗的设备,方法和程序产品。 该装置包括耦合到时钟源的多核处理器,其为一个或多个核心提供时钟频率,耦合到每个核心的独立电源,用于向每个核心提供电源电压,以及耦合到锁相环 到每个核心,用于动态调整提供给每个核心的时钟频率。 该装置还包括耦合到每个核心并被配置为收集针对每个核心测量的性能数据和功耗数据的控制器,并且使用PLL电路来调整提供给核心的电源电压,使得所述操作核心频率 核心大于为核心预设的规格核心频率,从而优化核心性能和功耗。