Abstract: A method and system for optimizing a core voltage level of a portable computing device (“PCD”) and enhancing frequency performance of individual subcomponents are disclosed. A plurality of voltage values for a plurality of subsystems is determined. At least one subsystem is a multiplexed subsystem. Next, a reduced set of voltage values is calculated based on the plurality of voltage values and an optimized voltage level is determined for a shared power domain. The shared power domain is subsequently set to the optimized voltage level. If the optimized voltage level is determined to exceed a required voltage level for the at least one multiplexed subsystem when it is running the plurality of processing engines, a subset of the plurality of processing engines may be identified to process a workload of the multiplexed system at a more efficient level of power consumption than the full plurality of processing engines.

Abstract: Efficient power management of a system with virtual machines is disclosed. In particular, such efficient power management may enable coordination of system-wide power changes with virtual machines. Additionally, such efficient power management may enable coherent power changes in a system with a virtual machine monitor. Furthermore, such efficient power management may enable dynamic control and communication of power state changes.

Abstract: An electronic device and a power supplying system of the electronic device are provided. A power supplying method for an electronic device may include: obtaining information regarding power transmission efficiency between a source electronic device and a target electronic device; obtaining power for decoding and playback of multimedia data in the target electronic device; generating resonance power based on the power transmission efficiency and the obtained power; and transmitting the generated resonance power and multimedia data to the target electronic device.

Abstract: A method for estimating power consumption by a target host involves estimating a per-workload in-scenario utilization function of time for each workload running on said host in said what-if scenario so as to yield per-workload in-scenario utilization functions of time. The utilization functions are aggregated to yield a target host utilization function of time. The target host utilization function of time is converted to a host power-consumption function of time.

Abstract: The present invention provides a METHOD AND APPARATUS FOR HOLISTIC POWER MANAGEMENT TO DYNAMICALLY AND AUTOMATICALLY TURN SERVERS, NETWORK EQUIPMENT AND FACILITY COMPONENTS ON AND OFF INSIDE AND ACROSS MULTIPLE DATA CENTERS BASED ON A VARIETY OF PARAMETERS WITHOUT VIOLATING EXISTING SERVICE LEVELS. This method and apparatus pertains specifically to a method and apparatus for power management in data centers and large server environments. Until today all servers running a specific application or virtualized environment are kept turned on to support various levels of application demand. With the invention of Holistic Power Management this invention completely automates the tasks required to shutdown and turn off servers not needed and to turn them on and start them up independent of their physical location. Furthermore this invention makes such changes dynamically based on application load, environmental conditions and energy pricing and availability and can adjust cooling services accordingly.

Abstract: In one embodiment, the present invention includes a processor having a core with decode logic to decode an instruction prescribing an identification of a location to be monitored and a timer value, and a timer coupled to the decode logic to perform a count with respect to the timer value. The processor may further include a power management unit coupled to the core to determine a type of a low power state based at least in part on the timer value and cause the processor to enter the low power state responsive to the determination. Other embodiments are described and claimed.

Abstract: The present invention generally relates to the management of a configuration of a first device. The first device includes a control unit and an interface unit managing a communication interface. The communication interface comprises at least one resistive line having a resistance value. The resistance value allows the interface unit to identify a configuration for at least one second device adapted to be linked to the first device via the communication interface. The interface unit: /a/ detects a change of the resistance value on the resistive line corresponding to a configuration of said second device; /b/ processes said change of the resistance value to adapt the configuration of the first device according to the configuration of said second device.

Abstract: An apparatus and method is described herein for providing an early wake scheme before spawning a new thread. An early wake indication is provided an amount of time, which may include an amount of time to perform a demotion from a current power state to a lower power state that is closer to an active power state, before a new thread is to be spawned and executed on a processing element (core or thread). Upon encountering the spawn of the new thread, such as a helper thread, the processing element is further transition from the lower power state to an active power state. And the new thread is executed on the processing element without incurring the latency associated with execution of the new thread waiting for the demotion from the current power state to an active power state after the spawn of the new thread.

Abstract: An image processing apparatus being configured to support a power-saving mode which allows achieving low power consumption while keeping an idle connection without communication between the image processing apparatus and a communication device in a network environment, comprises: a first judgment portion which judges whether or not the communication device supports the power-saving mode; and a communicator which establishes a connection to the communication device at a first communication rate if the first judgment portion judges that the communication device does not support the power-saving mode, at a second communication rate which is faster than the first communication rate if the first judgment portion judges that the communication device supports the power-saving mode.

Abstract: Various embodiments of methods and systems for managing battery load in a portable computing device (“PCD”) are disclosed. One such method includes tracking an active load on a battery attributable to one or more active power consuming components. Measurements associated with the battery and indicative of the battery's state of health may also be monitored. When a call for additional load on the battery is recognized, such as a user request for provision of additional functionality in the PCD, a future load on the battery that considers the newly called load can be calculated. Based on an analysis of the impact on the battery's state of health, existing, lower priority loads may be scaled or suspended to create battery load capacity for the newly called load. In this way, quality of service and user experience may be optimized while minimizing conditions that could be detrimental to the battery.

Abstract: Various features are provided to improve communication performance and power conservation in a client terminal by relying on the assistance of a proxy device. For instance, rather than reporting channel measurements via a primary communication channel to a network, the client terminal may be adapted to perform (a) channel measurement feedback using out-of-band signaling via the proxy device and/or (b) active synchronization with assistance of a proxy device. In this manner, the client terminal may be able to disable or reduce power consumption over a primary communication interface for the primary communication channel while utilizing a secondary communication interface to communicate with the proxy device.

Abstract: An information processing apparatus includes a receiver configured to receive a packet via a communication line, an operating processor configured to suspend an operation thereof when the information processing apparatus is in an energy saving mode, a first storage configured to store the packet received by the receiver, a determining unit including a table in which different operations of the operating processor are recorded in association with different patterns of packets and configured to determine whether to restart the operating processor when the information processing apparatus is in the energy saving mode based on a pattern of the packet stored in the first storage and the patterns of the packets in association with the operations of the operating processor recorded in the table, and a power manager configured to supply power to the operating processor based on a result determined by the determining unit to restart the operating processor.

Abstract: A method for saving power in transmission of data across buses. By knowing the power characteristics of a bus and characteristics of data to be transmitted across the bus, the data can be encoded in such a fashion as to conserve system power over transmitting the same data in an unencoded format across the bus. The encoding method may be selected before transmission of the data across the bus, and may change depending on the data to be transmitted across the bus.

Abstract: Methods and systems for powering-off a Bluetooth device from a linked device are provided. A device can transmit a Bluetooth signal to a linked device to instruct the linked device to power-off. In this manner, the user need only turn off one device manually which results in all linked devices being powered off. This process can be initiated by a user through a device directly linked with the device to be powered-off or through a device that is indirectly connected, through one or more Bluetooth networks, with the device to be powered-off. This process can also be automatically initiated by a device when a set of predetermined conditions exist. Once instructed to do so, a device can initiate a predetermined power-off process which can involve terminating any ongoing functions and turning off various subsystems. In accordance with the present invention, a user can initiate a power-off of all the devices on a Bluetooth network through a single device.

Abstract: A thermal protection method for a computer system including at least a processor includes monitoring the temperature and loading of the processor via a system firmware in the computer system, obtaining the current performance state level and at least an operable performance state levels of the processor when the system firmware determines that the temperature and loading of the processor exceeds a predetermined value respectively, wherein the performance state level is associated to the frequency of the processor, and setting the processor to one of the operable performance state levels, wherein the frequency of the performance state level is lower than the frequency of the current performance state level, according to the current performance state level and the operable performance state levels.

Abstract: Based on bounds of a period of reduced operation for a base device, a base device generates a power management message for transmission to a peripheral device. In the power management message, the base device inserts bounds of a period of reduced operation for the peripheral device. As a result, the periods of reduced operation conserve battery power in both devices and the two devices may reestablish a communications channel upon reaching the end of the period of reduced operation and resuming normal operations.

Abstract: A component control system includes a component. At least one component element is included in the component. A component controller is included in the component, coupled to the at least one component element, and operable to couple to an Information Handling System (IHS) controller. The component controller is operable to receive a normalized component performance (NCP) value from the IHS controller. The NCP value is associated with at least one component output range. The component controller is also operable to provide a control signal that is associated with the NCP value to the at least one component element. In response to receiving the control signal, the at least one component element operates such that the component produces at least one component output, and each component output produced by the component is within a corresponding component output range.

Abstract: Various techniques for managing power consumption of computing devices within a data protection system are disclosed. For example, one method involves accessing policy information, which the policy information indicates when one or more data protection system activities should be performed and identifies whether a computing device is participating in the data protection system activities. Based upon this policy information, the method then identifies whether power consumption of the computing device can be reduced. In response to identifying that the power consumption of the computing device can be reduced, a power management command is automatically sent via a network. Performance of the power management command reduces the power consumption of the computing device.

Abstract: A mechanism is provided for minimizing power consumption for operation of a fixed-frequency processing unit. A number of timeslots are counted in a time window where throttling is engaged to the fixed-frequency processing unit. The number of timeslots where throttling is engaged is divided by a total number of timeslots within the time window, thereby producing a performance loss (PLOSS) value. A determination is made as to whether determining whether the (PLOSS) value associated with the fixed-frequency processing unit is greater than an allowed performance loss (APLOSS) value. Responsive to the PLOSS value being less than or equal to the APLOSS value, a decrease in voltage supplied to the fixed-frequency processing unit is initiated.

Abstract: A method and apparatus for user activity-based dynamic power management and policy creation for mobile platforms are described. In one embodiment, the method includes the monitoring of one or more sensor values of a mobile platform device to gather sensor activity data. Once the sensor activity data is gathered, the user state may be predicted according to the gathered user activity and an updated user state model. In one embodiment, the user state model is updated according to the sensor activity data. In one embodiment, a switch occurs from the present power management policy to a new power management policy if the new user state differs from a present user state by a predetermined amount. In one embodiment, at least one time-out parameter of a selected power management policy may be adjusted to comply with a predicted user state. Other embodiments are described and claimed.

Abstract: The operating voltage of an integrated circuit (e.g., a processor) is changed in response to one or more conditions (e.g., a laptop computer is connected to an AC power source). Both the operating frequency and the operating voltage of the integrated circuit are changed. The voltage regulator providing the operating voltage to the integrated circuit is caused to transition between voltage levels using one or more intermediate steps. The integrated circuit continues to operate in the normal manner both at the new voltage and throughout the voltage transition.

Abstract: The present invention features a personal computing device that may be powered by a single battery having a single lithium-ion cell or by a plurality of lithium-ion cells connected in parallel. The personal computing device may provide computing power comparable to that of conventional laptop computers and execute an operating system and application software comparable to that executed by conventional laptop computers. Furthermore, the battery's time between charging, when used to power the personal computing device, may be similar to the time between charging of a multi-cell battery when used to power a conventional laptop computer.

Abstract: The present invention features a personal computing device that may be powered by a single battery having a single lithium-ion cell or by a plurality of lithium-ion cells connected in parallel. The personal computing device may provide computing power comparable to that of conventional laptop computers and execute an operating system and application software comparable to that executed by conventional laptop computers. Furthermore, the battery's time between charging, when used to power the personal computing device, may be similar to the time between charging of a multi-cell battery when used to power a conventional laptop computer.

Abstract: Provided is a method in a control circuitry controlling the operations of a central processing unit, CPU. The CPU is associated with a nominal clock frequency. The CPU is further coupled to an I/O range and configured to deliver input to an application. According to the method, the control circuitry controls (110, 150) the CPU to poll the I/O range for input to the application. The control circuitry also monitors (120, 160) whether or not each poll results in input to the application and adjusts (140) a clock frequency at which the CPU operates to a clock frequency lower than the nominal clock frequency if a pre-defined number of polls resulting in no input is detected (130). A control circuitry and a central computer server of an automated exchange system are also provided.

Abstract: There is provided a method of scheduler assisted power management for semiconductor devices. By accessing and analyzing workload data for tasks to be completed, a scheduler may provide finer grained control for determining and implementing an efficient power management policy. In this manner, tasks with completion deadlines can be allocated sufficient resources without wasteful power consumption resulting from ramping up of performance through overestimating of voltage or frequency increases. Additionally, power management may be planned for longer periods, rather than looking only at immediate data to be processed and constantly fluctuating voltage and frequency. In this manner, power management can run more smoothly and efficiently compared to conventional means of power management that ignore data from a scheduler when determining power management policy.

Abstract: In an embodiment, a system may include multiple processors and an automatic power state controller (APSC) configured to switch the processors between various operating points. The operating points may be described by data programmed into the APSC, and the APSC may include a register that is programmable with a target operating point request identifying a target operating point for the processors from among the described operating points. The data describing the operating points may also include an indication of whether or not the number of processors that may be concurrently active at the operating point is limited. Based on the indication and the number of active processors, the APSC may override the requested operating point with a reduced operating point. In some embodiments, a digital power estimator (DPE) may monitor operation of the processors and may throttle the processors when high power consumption is detected.

Abstract: Certain exemplary embodiments can provide a system, machine, device, manufacture, circuit, and/or user interface adapted for, and/or a method and/or machine-readable medium comprising machine-implementable instructions for, activities that can comprise, based on a predicted non-zero future power requirement for performing one or more portions of an expected workload by a predetermined system, the predicted future power requirement based on a past power requirement for performing one or more portions of a known workload by the predetermined system, automatically causing a change from a first power state of the predetermined system to a second power state that does not violate a specification for performing the one or more portions of the expected workload.

Abstract: A system that incorporates teachings of the present disclosure may include, for example, a Power Over Ethernet (PoE) device (PD) having a controller to receive signals over a first cable having twisted pair wires from at least one of a network element and a gateway where the network element is associated with a service provider where the gateway is associated with a premises and where the service provider provides network communications to the premises, adjust the signals, transmit the adjusted signals over a second cable having twisted pair wires to at least one of the network element and the gateway, and receive power from at least one of the network element and the gateway, where the power is received over at least one of the first and second cables, where the power is received according to PoE protocol, and where the PD is positioned between the network element and the gateway. Other embodiments are disclosed.

Abstract: A method and related apparatus, the method comprising: detecting, in a device, an event triggering a web resource related to a web page; estimating energy consumption of the event triggering the web resource; comparing the estimated energy consumption to a predetermined value of available energy budget; and in response to the estimated energy consumption exceeding the predetermined value of the available energy budget, indicating the exceeding to the user of the device.

Abstract: A network interface device (NID) may determine whether the received data units of the computer system are to be compressed before transmitting the data units. The NID may determine the compression energy value consumed to compress the first K1 data units and a second transmission energy value to transmit the compressed first K1 data units. The NID may then estimate a first transmission energy value that may be consumed by the NID to transmit uncompressed first K1 data units using the second transmission energy value. The NID may then use the first and second transmission energy value and the compression energy value to determine if the remaining (N?K1) data units of the first data stream.

Abstract: Power management architectures, methods and systems for programmable integrated circuit are disclosed. One embodiment of the present invention pertains to a power management software architecture which comprises power management modules each associated with a respective driver. Each driver is associated with a component of a programmable integrated circuit and displayable as a graphic image within an on-screen display of an integrated circuit design tool for programming the programmable integrated circuit. In addition, each power management module is operable to report power consumption data customized to its respective driver. The power management software architecture also comprises a power source module associated with a power source for the programmable integrated circuit for reporting power supply characteristics.

Abstract: A system and method is disclosed for managing power consumption in a computing device. A policy controller determines whether an aggregated power consumption of a plurality of external interface controllers in a computing device is greater than a policy power limit. On determining that the aggregated power consumption is greater than the policy power limit, the policy controller may set a first external interface controller at a negotiated power level, and set a second external interface controller at an adjusted power level, wherein the first external interface controller and the second external interface controller are set based on the policy power limit and the aggregated power consumption.

Abstract: The information processing apparatus generates and notifies, in the first power state, a prohibition condition for prohibiting the information processing apparatus from returning to the first power state even if an interface unit has received data from an external apparatus in the second power state and the received data matches a return condition for causing the information processing apparatus to return from the second power state to the first power state. When data is received from the external apparatus in the second power state, if the received data matches the prohibition condition, the interface unit does not transmit a return command to the power control unit, and if the received data does not match the prohibition condition, the interface unit transmits the return command to the power control unit.

Abstract: A method for switching an operating system (OS) and an electronic apparatus are provided. While switching to a first OS, a system firmware stored in a memory unit declares that a first segment of a system memory is in a usable state and a second segment of the system memory is in a reserved state by using a first resource description table, so that the first OS is in a working state in the first segment and a second OS is in a power-saving state in the second segment. While switching to the second OS, the system firmware declares that the second segment is in the usable state and the first segment is in the reserved state by using a second resource description table, so that the second OS is in the working state and the first OS is in the power-saving state.

Abstract: A power over Ethernet extender arranged to detect if power is received over 2 pairs of wires or over 4 pairs of wires. If power is received over 4 pairs of wires, power is output over only 2 pairs of wires. Preferably, the power signature of the received power is further detected. If the incoming power over a first 2 pairs of wires supports in excess of 13 watts of power consumption, and power is received over 4 pairs, then the output power supports in excess of 13 watts of power consumption; and if the incoming power over a first 2 pairs of wires supports in excess of 13 watts of power consumption, and power is not received over 4 pairs, then the output power does not support in excess of 13 watts of power consumption.

Abstract: A device (D) is dedicated to the control of the waking of facilities (OE11-OE23) forming part of an assembly of at least one multiplexed network (R1-R2) managed by a management facility (OM).

Abstract: A wireless communication device (200) is disclosed. It can include: an electronic device (210) including a display (240); a wearable device (242) including a first orientation detector (244) configured to detect a suitable display viewing orientation; and a controller (220) including a power saving module (290) coupled to the electronic device (210), the controller (220) configured to control the operations of at least the display (240) in response to a suitable orientation detection. Advantageously, the wireless communication device (200) can provides a simple, portable, compact and robust power savings feature that can actuate a display when properly orientated for viewing by a user and not actuate the display when not suitably oriented.

Abstract: An active optical cable is provided that incorporates a power management solution. The AOC has plugs are configured to mate with respective USB sockets. The AOC is used to interconnect a USB host with a USB device. To the USB host and to the USB device, the AOC appears to be a standard USB electrical cable. Each of the plugs of the AOC has an optical-to-electrical and an electrical-to-optical (OE/EO) conversion module that converts electrical USB signals output from the USB host or USB device into optical signals and converts optical signals carried on the optical fibers of the AOC into electrical USB signals. The plugs include controllers that monitor certain conditions of the AOC and that select the power levels to be used in the plugs based on detected conditions.

Abstract: Provided is a communication device connected to a network access device constituting a network and capable of communication through the network, includes: a circumstance determining unit that determines whether or not the network is in a circumstance of executing a protocol causing blocking of communication on the network by changing the link speed to the network access device; a power saving determining unit that determines whether or not a predetermined power saving performance condition is satisfied; and a link speed control unit that maintains the link speed when it is determined that the power saving performance condition is satisfied and when the network is in the circumstance of executing the protocol.

Abstract: A system and method for providing power control in a power management integrated circuit. A power management integrated circuit may comprise a communication interface module that receives power supply information from at least one electrical device external to the power management integrated circuit. The power supply information may, for example, comprise information related to a first electrical power. The power management integrated circuit may also comprise a power regulator module that determines a regulated power signal based, at least in part, on a portion of the power supply information. The regulated power signal may correspond to the first electrical power. For example, the regulated power signal may comprise the first electrical power or cause another circuit to output the first electrical power. The power management integrated circuit may then output the regulated power signal to at least one electrical device external to the power management integrated circuit.

Abstract: A system, method, and/or computer program product comprises an input/output (I/O) bus and an intelligent current bank that couples a voltage source to the I/O bus. The intelligent current bank includes an ammeter that measures a real-time flow of current to the I/O bus. In response to the current to the I/O bus exceeding a predetermined level, an intelligent Pulse-Width Modulator (iPWM) within the intelligent current bank selectively decreases current to one or more electronic devices on the I/O bus by shortening a duty cycle of voltage being received by the iPWM from the voltage source.

Abstract: In a method for managing power of slave electronic devices using a master electronic device, the slave electronic devices are connected in sequence and an end one of the slave electronic devices is connected to the master electronic device. Each of the slave electronic devices determines and transmits their charging priority information to the master electronic device. The master electronic device determines a charging sequence of the slave electronic devices, determines a target one of the slave electronic devices according to the charging sequence, and sends a charging signal to the connected slave electronic devices, to charge the target one of the slave electronic devices.

Abstract: Control of platform control of platform power consumption using selective updating of a display image. An embodiment of an apparatus includes a display controller to transfer pixel data from a frame buffer to a video display and a detection element to track updates to the frame buffer, the detection element to identify a portion of the pixel data that has been changed from a previous image, where the display controller is to provide the video display with the identified portion of the pixel data.

Abstract: A first information processing apparatus (superordinate model) comprises an emulation driver program storing unit which stores, in advance, an emulation driver program for: receiving a command issued by a second-device-using application program created for a second information processing apparatus (subordinate model); and controlling a first device mounted on the first information processing apparatus. At an execution of the second-device-using application program, the first information processing apparatus executes the second-device-using application program while controlling the first device by using the emulation driver program stored in the emulation driver program storing unit.

Abstract: Embodiments of an apparatus, system and method are described for dynamically time-interleaving supply voltage modulation to shape a power profile. An apparatus may comprise, for example, a power management module to monitor power information received from a plurality of devices and send a power control signal including delay information to each device having power information that exceeds a power threshold, the delay information comprising information for time-interleaving power usage among the devices having power information that exceeds the power threshold. Other embodiments are described and claimed.

Abstract: The present invention discloses a method for reducing chip power consumption. The method includes: monitoring real-time load statuses of an input interface, an output interface, and an internal bus of a chip, and collecting load monitoring information; adjusting a working frequency of the chip according to the load monitoring information; and performing rate limiting for an information transmission rate of each channel of the chip according to the current working frequency of the chip. The method and apparatus for reducing chip power consumption according to the present invention solve a problem in the prior art that in a process of chip frequency modulation and power consumption reduction, it is difficult to implement constant rate limiting for a chip channel, thereby providing a feasible solution for reducing chip power consumption while maintaining constant rate limiting for the chip channel.

Abstract: Methods and apparatus for integration of a processor and an input/output hub are described. In one embodiment, a sideband signal may cause change in a power management state of a processor or an integrated I/O logic. A single integrated circuit die may include both the processor and the integrated I/O logic. Other embodiments are also disclosed.

Abstract: A method for power gating a core by a SoC is provided. Instruction Pointer information, state of the core, core access information and wake up latency information of the core are used in power gating or un-gating of the core. A change in state of the core is detected by a device driver and is provided to a power management unit. As the state of the core changes from active to passive, the wake up latency information and the core access information of the core are retrieved by the SoC from a database to perform either the power gating or the un-gating of the core. The database is prepared by analyzing code blocks statically.

Abstract: Systems and methods may be implemented in a power device subsystem topology to provide an arbitration and communication scheme between a single consolidated non-volatile random access (NVRAM) memory device and multiple discrete digital power controller devices in a manner that provides data protection and the ability to update the full NVRAM content when needed.

Abstract: The present invention relates to a method and a system for determining the power consumption in an electronic device, to which a peripheral device is connected, to which the power is supplied from the electronic device. At least a first maximum value and a second maximum value, higher than the first maximum value, are determined for the power consumption. Signaling between the electronic device and the peripheral device sets a maximum value for the power consumption of the peripheral device which is between said first and second maximum values. The invention also relates to an electronic device and a peripheral device, in which the method is applied.