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公开(公告)号：US5309476A
公开(公告)日：1994-05-03
申请号：US766881
申请日：1991-09-26
CPC分类号： H04L27/0012
摘要： Method and apparatus for determining occurrence of an S1 modem identification sequence is disclosed. An S1 sequence is found to exist when the sum of conjugate complex multiplication of signal sample amplitudes taken at an interval T/2 result in a negative scalar value for an arbitrary number of sequential occurrences. Complex samples taken from incoming baseband waveform at twice the modulation rate are interleaved in pairs of two with two even numbered samples and two odd numbered samples being considered separately by first performing complex multiplication followed by scalar multiplication of an output of the complex multiplication and an output of the previous complex multiplication delayed by one modulation interval T. The separate results from the sets of pairs of signal samples are summed to form a scalar whose value when consistently less than 0 indicates the presence of an S1 modem identification sequence in accordance with the CCITT S1 recommendation.
摘要翻译： 公开了一种用于确定S1调制解调器识别序列的发生的方法和装置。 当以间隔T / 2获取的信号样本幅度的共轭复数乘法的和导致任意数量的连续出现的负标量值时，发现S1序列存在。 以两倍于调制速率的入局基带波形采集的复杂样本以两个偶数编号的采样成对进行交织，并且通过首先执行复乘乘以复乘乘法的输出的标量乘法和输出 前一个复数乘法延迟一个调制间隔T.来自信号样本对组的单独结果相加以形成一个标量，其值一直小于0表示存在根据CCITT的S1调制解调器识别序列 S1推荐。
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公开(公告)号：US09292662B2
公开(公告)日：2016-03-22
申请号：US12640198
申请日：2009-12-17
CPC分类号： G06F21/10 , G06F1/324 , G06F1/3296 , G06F9/5094 , Y02D10/126 , Y02D10/172 , Y02D10/22
摘要： A method, system, and computer program product for reducing power and energy consumption in a server system with multiple processor cores is disclosed. The system may include an operating system for scheduling user workloads among a processor pool. The processor pool may include active licensed processor cores and inactive unlicensed processor cores. The method and computer program product may reduce power and energy consumption by including steps and sets of instructions activating spare cores and adjusting the operating frequency of processor cores, including the newly activated spare cores to provide equivalent computing resources as the original licensed cores operating at a specified clock frequency.
摘要翻译： 公开了一种用于降低具有多个处理器核心的服务器系统中的功率和能量消耗的方法，系统和计算机程序产品。 系统可以包括用于在处理器池之间调度用户工作负载的操作系统。 处理器池可以包括主动许可处理器核心和非活动未许可处理器核心。 该方法和计算机程序产品可以通过包括激活备用核心的步骤和指令集来调节功率和能量消耗，并且调整包括新激活的备用核心的处理器核心的操作频率，以提供等同的计算资源，作为在 指定时钟频率。
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3.发明授权公开(公告)号：US08832479B2
公开(公告)日：2014-09-09
申请号：US13416583
申请日：2012-03-09
IPC分类号： G06F1/32
CPC分类号： G06F9/4893 , G06F1/3203 , G06F1/329 , G06F9/5044 , G06F9/5094 , G06F2209/508 , Y02D10/126 , Y02D10/22 , Y02D10/24
摘要： A mechanism is provided for scheduling application tasks. A scheduler receives a task that identifies a desired frequency and a desired maximum number of competing hardware threads. The scheduler determines whether a user preference designates either maximization of performance or minimization of energy consumption. Responsive to the user preference designating the performance, the scheduler determines whether there is an idle processor core in a plurality of processor cores available. Responsive to no idle processor being available, the scheduler identifies a subset of processor cores having a smallest load coefficient. From the subset of processor cores, the scheduler determines whether there is at least one processor core that matches desired parameters of the task. Responsive to at least one processor core matching the desired parameters of the task, the scheduler assigns the task to one of the at least one processor core that matches the desired parameters.
摘要翻译： 提供了一种调度应用程序任务的机制。 调度器接收标识期望频率和期望的最大数量的竞争硬件线程的任务。 调度器确定用户偏好是指性能的最大化还是能量消耗的最小化。 响应于指定性能的用户偏好，调度器确定在多个处理器核心中是否存在可用的空闲处理器核心。 响应于没有空闲处理器可用，调度器识别具有最小负载系数的处理器核心的子集。 从处理器核心的子集中，调度器确定是否存在与任务的期望参数匹配的至少一个处理器核心。 响应于至少一个与任务的期望参数匹配的处理器核心，调度器将该任务分配给与期望参数匹配的至少一个处理器核心中的一个。
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公开(公告)号：US08707074B2
公开(公告)日：2014-04-22
申请号：US13593717
申请日：2012-08-24
申请人： Heather L. Hanson , Charles R. Lefurgy , Karthick Rajamani , Freeman L. Rawson, III , Malcolm S. Ware
发明人： Heather L. Hanson , Charles R. Lefurgy , Karthick Rajamani , Freeman L. Rawson, III , Malcolm S. Ware
IPC分类号： G06F1/26
CPC分类号： G06F9/5061 , G06F9/5094 , Y02D10/22 , Y02D10/36
摘要： A mechanism is provided for priority-based power capping. A power management controller identifies a set of priorities for a set of partitions of the data processing system. The power management controller determines whether a measured power of the data processing system exceeds a power cap for the data processing system. Responsive to the measured power exceeding the power cap, the power management controller sends a set of commands to a set of component actuators to adjust one or more of a set of operation parameters for a set of components associated with the set of partitions using the set of priorities. The set of component actuators adjust the one or more of the set of operational parameters associated with the set of component in order to reduce a power consumption of the data processing system.
摘要翻译： 为基于优先级的功率上限提供了一种机制。 电力管理控制器识别数据处理系统的一组分区的一组优先级。 功率管理控制器确定数据处理系统的测量功率是否超过数据处理系统的功率限制。 响应于超过功率上限的测量功率，功率管理控制器向一组组件致动器发送一组命令，以使用该组来调整与该组分组相关联的一组组件的一组操作参数中的一个或多个 的优先事项。 该组件致动器调整与该组件相关联的一组操作参数中的一个或多个，以便降低数据处理系统的功率消耗。
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5.发明授权公开(公告)号：US08635478B2
公开(公告)日：2014-01-21
申请号：US13340640
申请日：2011-12-29
申请人： Harold W. Chase , Joshua D. Friedrich , Andrew J. Geissler , Soraya Ghiasi , Norman K. James , Jagat V. Pokala , Malcolm S. Ware
发明人： Harold W. Chase , Joshua D. Friedrich , Andrew J. Geissler , Soraya Ghiasi , Norman K. James , Jagat V. Pokala , Malcolm S. Ware
CPC分类号： G06F1/3203 , G06F1/324 , G06F1/3296 , Y02D10/126 , Y02D10/172
摘要： During manufacture, an operating range for dynamic voltage and frequency scaling can be established. A nominal operating point is identified based on a design nominal operating frequency for a computer processor. The nominal operating point comprises a nominal operating voltage identified for the design nominal operating frequency. In dependence upon the nominal operating point, an operating range of frequency and voltage over which the computer processor is to function is determined. Information specifying the nominal operating point and the operating range is stored in non-volatile storage associated with the computer processor.
摘要翻译： 在制造过程中，可以建立动态电压和频率缩放的工作范围。 基于计算机处理器的设计标称工作频率来识别标称工作点。 标称工作点包括为设计额定工作频率确定的标称工作电压。 根据标称工作点，确定计算机处理器在其上工作的频率和电压的工作范围。 指定名义操作点和操作范围的信息存储在与计算机处理器相关联的非易失性存储器中。
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6.发明授权Performance control of frequency-adapting processors by voltage domain adjustment 有权通过电压域调整对频率适配处理器进行性能控制公开(公告)号：US08527801B2
公开(公告)日：2013-09-03
申请号：US12827432
申请日：2010-06-30
申请人： Bishop C. Brock , John B. Carter , Alan J. Drake , Michael S. Floyd , Charles R. Lefurgy , Malcolm S. Ware
发明人： Bishop C. Brock , John B. Carter , Alan J. Drake , Michael S. Floyd , Charles R. Lefurgy , Malcolm S. Ware
IPC分类号： G06F1/00
CPC分类号： G06F1/3203 , G06F1/324 , G06F1/3296 , Y02D10/126 , Y02D10/172
摘要： A performance control technique for a processing system that includes one or more adaptively-clocked processor cores provides improved performance/power characteristics. An outer feedback loop adjusts the power supply voltage(s) provided to the power supply voltage domain(s) powering the core(s), which may be on a per-core basis or include multiple cores per voltage domain. The outer feedback loop operates to ensure that each core is meeting specified performance, while the cores also include an inner feedback loop that adjusts their processor clock or other performance control mechanism to maximize performance under present operating conditions and within a margin of safety. The performance of each core is measured and compared to a target performance. If the target performance is not met for each core in a voltage domain, the voltage is raised for the voltage domain until all cores meet the target performance.
摘要翻译： 包括一个或多个自适应时钟的处理器核心的处理系统的性能控制技术提供了改进的性能/功率特性。 外部反馈环路调整提供给供电核心的电源电压域的电源电压（其可以是基于每个核心的或者每个电压域包括多个核心）。 外部反馈环路用于确保每个核心满足指定的性能，而核心还包括一个内部反馈回路，调整其处理器时钟或其他性能控制机制，以最大限度地提高现有操作条件下的性能并在安全范围之内。 测量每个核心的性能并将其与目标性能进行比较。 如果电压域中的每个核心的目标性能不能满足，则电压域的电压将升高，直到所有核心满足目标性能。
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7.发明授权Dynamically adjusting an operating state of a data processing system running under a power cap 失效动态调整在功率上限下运行的数据处理系统的运行状态公开(公告)号：US08429433B2
公开(公告)日：2013-04-23
申请号：US12688214
申请日：2010-01-15
CPC分类号： G06F1/3203 , G06F1/329 , Y02D10/24
摘要： A mechanism is provided for dynamically power capping one or more units. A power capping mechanism sets a counter value corresponding to an initial energy budget assigned to a unit for a given interval. Responsive to the unit receiving an operation to perform during the given interval, the power capping mechanism decrements the counter value by a decrement value. Responsive to the given interval expiring, the power capping mechanism sends the counter value to a power control loop in the data processing system, receives a new energy budget from the power control loop, and resets the counter value to a value corresponding to the new energy budget assigned to the unit for a next interval.
摘要翻译： 提供了用于动态地对一个或多个单元进行功率封装的机制。 功率封顶机构设置与给定间隔分配给单元的初始能量预算对应的计数器值。 响应于在给定间隔期间接收要执行的操作的单元，功率封顶机构将计数器值递减减量值。 响应于给定的时间间隔到期，功率封顶机制将计数器值发送到数据处理系统中的功率控制回路，从功率控制回路接收新的能量预算，并将计数器值重置为对应于新能量的值 分配给该单位的下一个间隔的预算。
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公开(公告)号：US08276012B2
公开(公告)日：2012-09-25
申请号：US12495188
申请日：2009-06-30
申请人： Heather L. Hanson , Charles R. Lefurgy , Karthick Rajamani , Freeman L. Rawson, III , Malcolm S. Ware
发明人： Heather L. Hanson , Charles R. Lefurgy , Karthick Rajamani , Freeman L. Rawson, III , Malcolm S. Ware
IPC分类号： G06F1/26
CPC分类号： G06F9/5061 , G06F9/5094 , Y02D10/22 , Y02D10/36
摘要： A mechanism is provided for priority-based power capping. A power management controller identifies a set of priorities for a set of partitions of the data processing system. The power management controller determines whether a measured power of the data processing system exceeds a power cap for the data processing system. Responsive to the measured power exceeding the power cap, the power management controller sends a set of commands to a set of component actuators to adjust one or more of a set of operation parameters for a set of components associated with the set of partitions using the set of priorities. The set of component actuators adjust the one or more of the set of operational parameters associated with the set of component in order to reduce a power consumption of the data processing system.
摘要翻译： 为基于优先级的功率上限提供了一种机制。 电力管理控制器识别数据处理系统的一组分区的一组优先级。 功率管理控制器确定数据处理系统的测量功率是否超过数据处理系统的功率限制。 响应于超过功率上限的测量功率，功率管理控制器向一组组件致动器发送一组命令，以使用该组来调整与该组分组相关联的一组组件的一组操作参数中的一个或多个 的优先事项。 该组件致动器调整与该组件相关联的一组操作参数中的一个或多个，以便降低数据处理系统的功率消耗。
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公开(公告)号：US20120233479A1
公开(公告)日：2012-09-13
申请号：US13451181
申请日：2012-04-19
IPC分类号： G06F1/32
CPC分类号： G06F1/30
摘要： A mechanism is provided for oversubscribing branch circuits. An active energy management mechanism determines a cumulative wattage rating using power consumption information for a powered element, the power consumption information is for a primary and a redundant portion of the powered element. The active energy management mechanism determines a power reduction power cap to be used by the powered element in the event of a loss of either a primary or a redundant power source supplied to the powered element using the cumulative wattage rating, a branch circuit rating, and a circuit breaker rating for the powered element. The active energy management mechanism sends the power reduction power cap to the powered element in order that the powered element reduces power to the power reduction power cap in the event of the loss of either the primary power source or the redundant power source supplied to the powered element.
摘要翻译： 提供了一种用于超额订购分支电路的机制。 主动能量管理机构使用功率元件的功耗信息确定累积功率额定值，功率消耗信息用于有源元件的主要部分和冗余部分。 主动能量管理机构确定在使用累积功率额定值，分支电路额定值和供电元件的主电源或冗余电源的损耗的情况下由供电元件使用的功率降低功率帽，以及 电源元件的断路器额定值。 主动能量管理机构将功率降低功率帽发送到有源元件，以便在被供电到主动力源的主电源或冗余电源丢失的情况下，有源元件降低功率降低功率上限的功率 元件。
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公开(公告)号：US08103884B2
公开(公告)日：2012-01-24
申请号：US12146085
申请日：2008-06-25
申请人： Thomas M. Brey , Wesley M. Felter , Sumeet Kochar , Charles R. Lefurgy , Ryuji Orita , Freeman L. Rawson, III , Malcolm S. Ware
发明人： Thomas M. Brey , Wesley M. Felter , Sumeet Kochar , Charles R. Lefurgy , Ryuji Orita , Freeman L. Rawson, III , Malcolm S. Ware
IPC分类号： G06F1/26
CPC分类号： G06F1/3203 , G06F1/206 , Y02D10/16
摘要： Methods and products for managing power consumption of a computer and computers for which power consumption is managed. The computer includes the computer including a computer processor and embodiments of the present invention include providing, by an in-band power manger to an out-of-band power manager, a proposed performance state (‘p-state’) for the computer processor; determining, by the out-of-band power manager, in dependence upon a power setpoint and currently-measured operating metrics of the computer processor, whether to approve the proposed p-state; and if the out-of-band power manager approves the proposed p-state, setting operating parameters of the computer processor according to the approved p-state.
摘要翻译： 用于管理计算机和功耗管理的计算机的功耗的方法和产品。 计算机包括包括计算机处理器的计算机，并且本发明的实施例包括通过带内功率管理器向带外功率管理器提供用于计算机处理器的建议的性能状态（“p状态”） ; 由带外功率管理器根据功率设定点和计算机处理器的当前测量的操作度量来确定是否批准所提出的p状态; 并且如果带外功率管理器批准所提出的p状态，则根据批准的p状态来设置计算机处理器的操作参数。
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