Method and apparatus for managing power in a multi-core processor
    1.
    发明授权
    Method and apparatus for managing power in a multi-core processor 有权
    在多核处理器中管理电源的方法和装置

    公开(公告)号:US09335805B2

    公开(公告)日:2016-05-10

    申请号:US13989280

    申请日:2010-11-25

    IPC分类号: G06F1/26 G06F1/32 G06F9/50

    摘要: There is provided a method of managing power in a multi-core data processing system having two or more processing cores, comprising determining usage characteristics for the two or more processing cores within the multi-core processing unit, and dependent on the determined usage characteristics, adapting a frequency or voltage supplied to each of the two or more processing cores, and/or adapting enablement signals provided to each of the two or more processing cores. There is also provided an apparatus for carrying out the disclosed method.

    摘要翻译: 提供了一种在具有两个或多个处理核心的多核数据处理系统中管理电力的方法,包括确定多核处理单元内的两个或多个处理核心的使用特性,并且取决于确定的使用特性, 适应提供给两个或多个处理核心中的每一个的频率或电压,和/或调整提供给两个或多个处理核心中的每一个的启用信号。 还提供了一种用于实施所公开的方法的装置。

    System and method for arbitrating between memory access requests
    2.
    发明授权
    System and method for arbitrating between memory access requests 有权
    在内存访问请求之间进行仲裁的系统和方法

    公开(公告)号:US08171187B2

    公开(公告)日:2012-05-01

    申请号:US12179799

    申请日:2008-07-25

    IPC分类号: G06F3/00

    CPC分类号: G06F13/1605 Y02D10/14

    摘要: A system having memory access capabilities, the system includes: (i) a dynamic voltage and frequency scaling (DVFS) controller, adapted to determine a level of a voltage supply supplied to a first memory access requester and a frequency of a clock signal provided to the first memory access requester and to generate a DVFS indication that is indicative of the determination; (ii) a hardware access request determination module, adapted to determine a priority of memory access request issued by the first memory access requester in response to the DVFS indication; and (iii) a direct memory access arbitrator, adapted to arbitrate between memory access requests issued by the first memory access requester and another memory access requester in response to priorities associated with the memory access requests.

    摘要翻译: 一种具有存储器访问能力的系统,该系统包括:(i)动态电压和频率缩放(DVFS)控制器,适于确定提供给第一存储器访问请求者的电压电平的电平和提供给 所述第一存储器访问请求器并且生成指示所述确定的DVFS指示; (ii)硬件访问请求确定模块,用于响应于所述DVFS指示确定由所述第一存储器访问请求者发出的存储器访问请求的优先级; 以及(iii)直接存储器访问仲裁器,适于响应于与所述存储器访问请求相关联的优先级,在由所述第一存储器访问请求者发出的存储器访问请求与另一存储器访问请求者之间进行仲裁。

    METHOD AND DEVICE FOR POWER MANAGEMENT
    3.
    发明申请
    METHOD AND DEVICE FOR POWER MANAGEMENT 有权
    用于电源管理的方法和装置

    公开(公告)号:US20090177903A1

    公开(公告)日:2009-07-09

    申请号:US12304854

    申请日:2006-06-22

    IPC分类号: G06F1/32

    摘要: A device and method for power management. The method includes receiving an indication about a load of a circuit, determining at least one long-term activation parameter in view of a circuit load pattern during at least one long period; determining at least one short-term activation parameter in response to an expected short period load change of the circuit; and providing least one clock signal and at least one supply voltage in response to the long-term activation parameter and in response to the short-term supply parameter.

    摘要翻译: 一种用于电源管理的设备和方法。 该方法包括接收关于电路的负载的指示,在至少一个长时间段期间根据电路负载模式确定至少一个长期激活参数; 响应于所述电路的期望的短周期负载变化来确定至少一个短期激活参数; 以及响应于所述长期激活参数和响应于所述短期供应参数而提供至少一个时钟信号和至少一个电源电压。

    METHOD AND DEVICE FOR REGULATING A VOLTAGE SUPPLY TO A SEMICONDUCTOR DEVICE
    4.
    发明申请
    METHOD AND DEVICE FOR REGULATING A VOLTAGE SUPPLY TO A SEMICONDUCTOR DEVICE 审中-公开
    用于调节电压到半导体器件的方法和装置

    公开(公告)号:US20090015232A1

    公开(公告)日:2009-01-15

    申请号:US10595908

    申请日:2004-11-18

    IPC分类号: G05B24/02

    摘要: A device for regulating a voltage supply to a semiconductor device, the device comprising memory for storing a plurality of performance ranges, wherein the respective performance ranges are associated with a respective supply voltage; means for measuring the performance of the semiconductor device; and a regulator for modifying the supply voltage to the semiconductor device if the measured performance of the semiconductor device is not within a predetermined portion of the performance range associated with the voltage supplied to the semiconductor device.

    摘要翻译: 一种用于调节对半导体器件的电压供应的装置,所述装置包括用于存储多个性能范围的存储器,其中各个性能范围与相应的电源电压相关联; 用于测量半导体器件的性能的装置; 以及如果半导体器件的测量性能不在与提供给半导体器件的电压相关联的性能范围的预定部分内,则修改对半导体器件的电源电压的调节器。

    METHOD AND APPARATUS FOR MANAGING POWER IN A MULTI-CORE PROCESSOR
    6.
    发明申请
    METHOD AND APPARATUS FOR MANAGING POWER IN A MULTI-CORE PROCESSOR 有权
    用于在多核处理器中管理功率的方法和装置

    公开(公告)号:US20130238912A1

    公开(公告)日:2013-09-12

    申请号:US13989280

    申请日:2010-11-25

    IPC分类号: G06F1/26

    摘要: There is provided a method of managing power in a multi-core data processing system having two or more processing cores, comprising determining usage characteristics for the two or more processing cores within the multi-core processing unit, and dependent on the determined usage characteristics, adapting a frequency or voltage supplied to each of the two or more processing cores, and/or adapting enablement signals provided to each of the two or more processing cores. There is also provided an apparatus for carrying out the disclosed method.

    摘要翻译: 提供了一种在具有两个或多个处理核心的多核数据处理系统中管理电力的方法,包括确定多核处理单元内的两个或多个处理核心的使用特性,并且取决于确定的使用特性, 适应提供给两个或多个处理核心中的每一个的频率或电压,和/或调整提供给两个或多个处理核心中的每一个的启用信号。 还提供了一种用于实施所公开的方法的装置。

    Device having multiple instruction execution modules and a management method
    7.
    发明授权
    Device having multiple instruction execution modules and a management method 有权
    具有多个指令执行模块和管理方法的设备

    公开(公告)号:US08255723B2

    公开(公告)日:2012-08-28

    申请号:US12509285

    申请日:2009-07-24

    IPC分类号: G06F1/26

    摘要: A multiple instruction execution modules device that comprises a first instruction execution module and a second instruction execution module and a context switch controller; wherein the first instruction execution module is logically identical to the second instruction execution module but substantially differs from the second instruction execution module by at least one power consumption characteristic; wherein the context switch controller controls a context switch between the first instruction execution module and the second instruction execution module; wherein an instruction execution module that its context has been transferred is shut down.

    摘要翻译: 一种多指令执行模块装置,包括第一指令执行模块和第二指令执行模块以及上下文切换控制器; 其中所述第一指令执行模块在逻辑上与所述第二指令执行模块相同,但是与所述第二指令执行模块基本上不同于至少一个功耗特性; 其中所述上下文切换控制器控制所述第一指令执行模块和所述第二指令执行模块之间的上下文切换; 其中已经传送其上下文的指令执行模块被关闭。

    SYSTEM AND METHOD FOR ARBITRATING BETWEEN MEMORY ACCESS REQUESTS
    8.
    发明申请
    SYSTEM AND METHOD FOR ARBITRATING BETWEEN MEMORY ACCESS REQUESTS 有权
    在存储器访问请求之间进行仲裁的系统和方法

    公开(公告)号:US20100023653A1

    公开(公告)日:2010-01-28

    申请号:US12179799

    申请日:2008-07-25

    IPC分类号: G06F12/00 G06F13/28 G06F1/08

    CPC分类号: G06F13/1605 Y02D10/14

    摘要: A system having memory access capabilities, the system includes: (i) a dynamic voltage and frequency scaling (DVFS) controller, adapted to determine a level of a voltage supply supplied to a first memory access requester and a frequency of a clock signal provided to the first memory access requester and to generate a DVFS indication that is indicative of the determination; (ii) a hardware access request determination module, adapted to determine a priority of memory access request issued by the first memory access requester in response to the DVFS indication; and (iii) a direct memory access arbitrator, adapted to arbitrate between memory access requests issued by the first memory access requester and another memory access requester in response to priorities associated with the memory access requests.

    摘要翻译: 一种具有存储器访问能力的系统,该系统包括:(i)动态电压和频率缩放(DVFS)控制器,适于确定提供给第一存储器访问请求者的电压电平的电平和提供给 所述第一存储器访问请求器并且生成指示所述确定的DVFS指示; (ii)硬件访问请求确定模块,用于响应于所述DVFS指示确定由所述第一存储器访问请求者发出的存储器访问请求的优先级; 以及(iii)直接存储器访问仲裁器,适于响应于与所述存储器访问请求相关联的优先级,在由所述第一存储器访问请求者发出的存储器访问请求与另一存储器访问请求者之间进行仲裁。

    INFORMATION PROCESSING DEVICE AND METHOD
    10.
    发明申请
    INFORMATION PROCESSING DEVICE AND METHOD 有权
    信息处理装置和方法

    公开(公告)号:US20130132753A1

    公开(公告)日:2013-05-23

    申请号:US13634999

    申请日:2010-06-11

    IPC分类号: G06F1/32

    摘要: An information processing device comprises a first memory, a second memory, data transfer circuitry, power gating circuitry, and a controller. The first memory comprises at least two volatile memory units The controller receives or generates a request for setting the information processing device into a reduced power mode; in response to the request, it selects specific memory units among the memory units; controls the data transfer circuitry to transfer data from the selected memory units to the second memory; and controls the power gating circuitry to power down the selected memory units.

    摘要翻译: 信息处理设备包括第一存储器,第二存储器,数据传输电路,电源门控电路和控制器。 第一存储器包括至少两个易失性存储器单元。控制器接收或产生将信息处理设备设置为降低功率模式的请求; 响应于该请求,它选择存储单元中的特定存储单元; 控制数据传输电路将数据从所选择的存储器单元传送到第二存储器; 并控制电源门控电路使所选存储单元断电。