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    • 5. 发明申请
    • Probabilistic and introverted switching to conserve energy in a digital system
    • 概率和内向的转换,以节省数字系统的能量
    • US20050240787A1
    • 2005-10-27
    • US11115651
    • 2005-04-27
    • Krishna PalemSuresh CheemalavaguPinar KorkmazBilge Akgul
    • Krishna PalemSuresh CheemalavaguPinar KorkmazBilge Akgul
    • G06F1/26G06F1/32
    • G06F1/32
    • A processor having binary switches is configured to operate at a predetermined probability value that the logical value of each switch is correct. A supply voltage is coupled to the binary switches. A randomized signal detector is configured to detect a randomized signal, which may be amplified to a predetermined level if the randomized signal is low. A computing element outputs a probabilistic binary bit having a 0 or 1 with a predetermined probability value of being correct in correspondence with the supply voltage and/or an amplification level of a noise signal. Subsequently, an application executed by the processor receives the probabilistic binary bit for one or more additional operations. By operating on the probabilistic binary bits instead of conventional deterministic bits, the processor consumes less energy and completes its execution faster. For battery-powered portable electronic devices, use of processor configured for probabilistic binary bits substantially lengthens battery life.
    • 具有二进制开关的处理器被配置为以每个开关的逻辑值正确的预定概率值运行。 电源电压耦合到二进制开关。 随机化信号检测器被配置为检测随机化信号,如果随机信号为低,则其可被放大到预定水平。 计算元件根据噪声信号的电源电压和/或放大电平输出具有0或1的概率二进制位,其中预定概率值是正确的。 随后,由处理器执行的应用接收一个或多个附加操作的概率二进制位。 通过对概率二进制位进行操作而不是传统的确定性位,处理器消耗更少的能量并更快地完成其执行。 对于电池供电的便携式电子设备,使用配置为概率二进制位的处理器可大大延长电池寿命。