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    • 3. 发明申请
    • DYNAMIC VOLTAGE SCALING SYSTEM BASED ON ON-CHIP MONITORING AND VOLTAGE PREDICTION
    • 基于片上监控和电压预测的动态电压调节系统
    • US20130154583A1
    • 2013-06-20
    • US13700426
    • 2011-10-17
    • Longxing ShiWeiwei ShanJun YangHaolin GuXinning LiuYang Zhang
    • Longxing ShiWeiwei ShanJun YangHaolin GuXinning LiuYang Zhang
    • G05F1/10
    • G05F1/10G06F1/26G06F11/008G06F11/3058
    • The present invention discloses a dynamic voltage scaling system based on on-chip monitoring and voltage prediction, comprising a main circuit that has integrated on-chip monitoring circuits, a supply voltage scaling module, and voltage converters, wherein, the supply voltage scaling module comprises a sampling and statistics module designed to calculate the error rate of the main circuit in the current time slice, a state recording module designed to record the error rate and the corresponding supply voltage, an error prediction module, and a state transition probability generation module; the error prediction module predicts the error trend of the main circuit in a future time slice according to the state recording module and the state transition probability generation module, and generates regulation signals and sends to the corresponding voltage converters, so as to generate the voltage required for operation of the entire main circuit. The present invention utilizes the Markov theory to predict the “future” timing violation level of the circuit according to the “past” working condition and “current” working condition of the main circuit, and reserves some time for voltage scaling in the voltage converters; as a result, the dynamic voltage scaling has high directivity and purposiveness.
    • 本发明公开了一种基于片上监控和电压预测的动态电压缩放系统,包括具有集成片上监控电路的主电路,电源电压缩放模块和电压转换器,其中电源电压缩放模块包括 用于计算当前时间片中主电路的误码率的采样和统计模块,设计用于记录错误率和相应电源电压的状态记录模块,误差预测模块和状态转移概率生成模块; 误差预测模块根据状态记录模块和状态转移概率生成模块预测未来时间片中主电路的误差趋势,并产生调节信号并发送到相应的电压转换器,以产生所需的电压 用于整个主电路的操作。 本发明利用马尔可夫理论根据主电路的“过去”工作条件和“当前”工作状态预测电路的“未来”时序违规等级,并为电压转换器中的电压调整预留一些时间; 因此,动态电压调整具有很高的方向性和目的性。
    • 4. 发明授权
    • Dynamic voltage scaling system based on on-chip monitoring and voltage prediction
    • 基于片上监控和电压预测的动态电压缩放系统
    • US08909999B2
    • 2014-12-09
    • US13700426
    • 2011-10-17
    • Longxing ShiWeiwei ShanJun YangHaolin GuXinning LiuYang Zhang
    • Longxing ShiWeiwei ShanJun YangHaolin GuXinning LiuYang Zhang
    • G06F11/00G05F1/10G06F1/26G06F11/30
    • G05F1/10G06F1/26G06F11/008G06F11/3058
    • A dynamic voltage scaling system based on on-chip monitoring and voltage prediction is disclosed, comprising a main circuit that has integrated on-chip monitoring circuits, a supply voltage scaling module, and voltage converters, wherein, the supply voltage scaling module comprises a sampling and statistics module designed to calculate the error rate of the main circuit in the current time slice, a state recording module designed to record the error rate and the corresponding supply voltage, an error prediction module, and a state transition probability generation module; the error prediction module predicts the error trend of the main circuit in a future time slice according to the state recording module and the state transition probability generation module, and generates regulation signals and sends to the corresponding voltage converters, so as to generate the voltage required for operation of the entire main circuit.
    • 公开了一种基于片上监控和电压预测的动态电压缩放系统,其包括具有集成片上监控电路的主电路,电源电压缩放模块和电压转换器,其中,电源电压缩放模块包括采样 统计模块设计用于计算当前时间片中主电路的误码率,设计为记录错误率和相应电源电压的状态记录模块,误差预测模块和状态转移概率生成模块; 误差预测模块根据状态记录模块和状态转移概率生成模块预测未来时间片中主电路的误差趋势,并产生调节信号并发送到相应的电压转换器,以产生所需的电压 用于整个主电路的操作。