Inter-device media handler

An inter-device media handler is configured to handle a print job in a print system having two or more media processing devices, such as a printer and a laminator. A sensor is configured to sense orientation of media buffered between the first media processing device and the second media processing device. A calculator module is configured to receive input from the sensor and to use the input to determine whether the media will stay within a working range of the second media processing device while the job is processed by the second media processing device.

Liquid cooling system for stackable modules in energy-efficient computing systems

A processing module is provided that comprises a set of processing module sides, each comprising a circuit board, a plurality of connectors coupled to the circuit board, and a plurality of processing nodes coupled to the circuit board. Each processing module side couples to another processing module side to form a modular processing module. The modular processing module comprises an exterior connection to a power source and a communication system and a plurality of cold plates coupled to the plurality of processing nodes. Liquid coolant is circulated through the plurality of cold plates via a closed loop by at least one pump through a plurality of tubes and through at least one heat exchanger. The at least one heat exchanger is coupled to an exterior portion of the processing module. The at least one heat exchanger cools the liquid coolant using air surrounding the processing module.

Method and system for providing performance estimations for a specified power budget

A method and system for providing performance estimations for a specified power budget provides an indication of the impact on processing performance when closed-loop power/performance control is employed to meet the specified power budget. A workload, which may be the actual workload, or a test workload is run to determine actual power consumption at intervals during the execution of the workload. The power values are examined and if they exceed the specified budget, which may be one of multiple possible budget values, an estimate of the amount by and duration for which the closed-loop power/performance control would have to reduce the performance of the system for each interval in order to provide an estimate of actual performance for the budgetary level(s). The estimate is informed by tests of the workload at each power/performance level to provide a non-linear estimate of the relationship between performance and power for the particular workload.

WIRE MANAGER WITH CURRENT AND VOLTAGE SENSING

A wire manager including current sensing features provides input for power measurement and management systems. The wire manager may be a single wire or single bundle retaining device with a current sensor such as a hall effect sensor integrated therein, or may be a multi-wire management housing with multiple current sensing devices disposed inside for measuring the current through multiple wires. The wires may be multiple branch circuits in a power distribution panel or raceway, and the wire manager may be adapted for mounting in such a panel or raceway. Voltage sensing may also be incorporated within the sensors by providing an electrically conductive plate, wire or other element that capacitively couples to the corresponding wire.

Customized power rating for computer equipment

A mechanism is provided for customized power rating for computer equipment. A power monitor determines actual power consumption by computer equipment in a facility. After equipment has been stressed, an operator sends the actual power consumption information to the manufacturer. The manufacturer receives the actual power consumption information and issues a certificate that acknowledges the equipment will not consume more power than what was measured. The manufacturer may provide digital media that instructs power management hardware in the computer equipment to adhere to an actual case power limit. The power management hardware treats the actual case power limit as a hard power limit. That is, the power management hardware will not specify a power cap higher than the actual case power limit. The power management hardware prevents the equipment from crossing the actual case power limit.

DATA CENTER POWER CONVERSION EFFICIENCY MANAGEMENT

A data center energy management (DCEM) server configures a power supply in the data center. The DCEM server sums input alternating current (AC) power of the power supply to a total AC power of the data center, wherein the total AC power of the data center is a sum of AC power of a plurality of power supplies. The DCEM server sums output direct current (DC) power of the power supply to a total DC power of the data center and reports a ratio of total AC power to total DC power as data center power conversion efficiency. The DCEM server sets a preset power supply efficiency threshold. The DCEM server determines that a real-time power efficiency level is below the power supply efficiency threshold. The DCEM server, responsive to a determination that real-time power efficiency level is below the power supply efficiency threshold, may remedy the power supply. 1. A computer implemented method in a power supply unit , the method comprising:measuring input current, output currents, input voltage, and output voltages to form measured input current, output currents, input voltage, and output voltages;calculating root mean square value of input current, and input voltage;calculating phase angle between input current and input voltage; andtransmitting root mean square values of measured input current, root mean square value of measured input voltage, phase angle between measured input current and input voltage, measured output currents, and measured output voltages; andincreasing power efficiency among a plurality of power supply units of a data center in response transmitting the root mean square values of measured input current, root mean square value of measured input voltage, phase angle between measured input current and input voltage, measured output currents, and measured output voltages.2. The computer implemented method of claim 1 , further comprising:calculating a real-time power efficiency based on real-time input current, real-time output current, real-time input ...

Helper thread for pre-fetching data

A set of helper thread binaries is created to retrieve data used by a set of main thread binaries. If executing a portion of the set of helper thread binaries results in the retrieval of data needed by the set of main thread binaries, then that retrieved data is utilized by the set of main thread binaries.

Weighted event counting system and method for processor performance measurements

A weighted event counting system and method for processor performance measurements provides low latency and low error performance measurement capability. A weighted performance counter accumulates a performance count according to a plurality of event signals provided from functional units in the processor. Differing weights are applied to the event signals in according to the correlation between each event with processor performance. The weights may be provided from programmable registers, so that the weights can be adjusted under program control. The event signals may be combined to reduce the bit-width of the set of event signal, with mutually-exclusive events merged in single fields of the combinatorial result and events having the same weights merged according to a sub-total. The weights are applied to the combinatorial result and used to update a performance count. The performance count can then be used by power management software or hardware to make adjustments in operating parameters ...

Oversubscribing Branch Circuits While Lowering Power Distribution Costs

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.

Scalable space-optimized and energy-efficient computing system

A scalable space-optimized and energy-efficient computing system is provided. The computing system comprises a plurality of modular compartments in at least one level of a frame configured in a hexadron configuration. The computing system also comprises an air inlet, an air mixing plenum, and at least one fan. In the computing system the plurality of modular compartments are affixed above the air inlet, the air mixing plenum is affixed above the plurality of modular compartments, and the at least one fan is affixed above the air mixing plenum. When at least one module is inserted into one of the plurality of modular compartments, the module couples to a backplane within the frame.

Customized Power Rating for Computer Equipment

A mechanism is provided for customized power rating for computer equipment. A power monitor determines actual power consumption by computer equipment in a facility. After equipment has been stressed, an operator sends the actual power consumption information to the manufacturer. The manufacturer receives the actual power consumption information and issues a certificate that acknowledges the equipment will not consume more power than what was measured. The manufacturer may provide digital media that instructs power management hardware in the computer equipment to adhere to an actual case power limit. The power management hardware treats the actual case power limit as a hard power limit. That is, the power management hardware will not specify a power cap higher than the actual case power limit. The power management hardware prevents the equipment from crossing the actual case power limit.

Automatically detecting and locating equipment within an equipment rack

A mechanism is provided for automatically detecting and locating equipment within an intelligent equipment rack. The intelligent equipment rack comprises a rack controller that determines whether a signal has been received indicating that a rack space in a plurality of rack spaces in the intelligent equipment rack has been occupied by a piece of electronic equipment. Responsive to receiving the signal indicating that the rack space has been occupied by the piece of electronic equipment, the rack controller updates a rack information table in the memory with occupation information related to the rack space occupied by the piece of electronic equipment.

Minimizing Aggregate Power from HVAC Cooling and IT Equipment in a Data Center

A mechanism is provided for minimizing aggregate power from HVAC cooling and IT equipment in a data center. The mechanism selects a high HVAC set point for low-utilization and selects a low HVAC set point for high utilization. For each cooling zone in a data center, the mechanism monitors the average utilization of equipment in the cooling zone and selects the appropriate HVAC set point based on utilization. The mechanism may determine efficiency to determine whether to adjust universal HVAC set points or the HVAC set points for each given cooling zone. That is, the mechanism may dynamically adjust HVAC set points for optimal efficiency. Alternatively, the mechanism may go beyond binary control and compute actual data center efficiency metrics to decide on intermediate set points. 1. A method , in a data processing system , for minimizing aggregate power from cooling and equipment in a data center , the method comprising:monitoring average utilization level of equipment in a data center;setting heating, ventilation, and air conditioning (HVAC) set points based on utilization; andcooling the data center based on the HVAC set points.2. The method of claim 1 , wherein setting HVAC set points based on utilization comprises:for a given cooling zone, comparing utilization in the given cooling zone to a threshold;responsive to the comparison resulting in a determination that utilization of the given cooling zone is tow, setting an HVAC set point for the given cooling zone to a high temperature value; andresponsive to the comparison resulting in a determination that utilization of the given cooling zone is high, setting the HVAC set point of the given cooling zone to a low temperature value.3. The method of claim 2 , further comprising:collecting efficiency metrics for the given cooling zone;determining whether to change HVAC set points for the given cooling zone based on the efficiency metrics for the given cooling zone; andresponsive to a determination to change set ...

Data center power conversion efficiency management

A data center energy management (DCEM) server configures a power supply in the data center. The DCEM server sums input alternating current (AC) power of the power supply to a total AC power of the data center, wherein the total AC power of the data center is a sum of AC power of a plurality of power supplies. The DCEM server sums output direct current (DC) power of the power supply to a total DC power of the data center and reports a ratio of total AC power to total DC power as data center power conversion efficiency. The DCEM server sets a preset power supply efficiency threshold. The DCEM server determines that a real-time power efficiency level is below the power supply efficiency threshold. The DCEM server, responsive to a determination that real-time power efficiency level is below the power supply efficiency threshold, may remedy the power supply.

Unified management of power, performance, and thermals in computer systems

A mechanism is provided for unified management of power, performance, and thermals in computer systems. This mechanism incorporates elements to effectively address all aspects of managing computing systems in an integrated manner, instead of independently. The mechanism employs an infrastructure for real-time measurements feedback, an infrastructure for regulating system activity, component operating levels, and environmental control, a dedicated control structure for guaranteed response/preemptive action, and interaction and integration components. The mechanism provides interfaces for user-level interaction. The mechanism also employs methods to address power/thermal concerns at multiple timescales. In addition, the mechanism improves efficiency by adopting an integrated approach, rather than treating different aspects of the power/thermal problem as individual issues to be addressed in a piecemeal fashion.

Use of a helper thread to asynchronously compute incoming data

A set of helper thread binaries is created from a set of main thread binaries. The helper thread monitors software or hardware ports for incoming data events. When the helper thread detects an incoming event, the helper thread asynchronously executes instructions that calculate incoming data needed by the main thread.

Thread partitioning in a multi-core environment

A set of helper thread binaries is created to retrieve data used by a set of main thread binaries. The set of helper thread binaries and the set of main thread binaries are partitioned according to common instruction boundaries. As a first partition in the set of main thread binaries executes within a first core, a second partition in the set of helper thread binaries executes within a second core, thus warming up the cache in the second core. When the first partition of the main completes execution, a second partition of the main core moves to the second core, and executes using the warmed up cache in the second core.

Flexible current and voltage sensor

A flexible current and voltage sensor provides ease of installation of a current sensor, and optionally a voltage sensor in application such as AC branch circuit wire measurements, which may require installation in dense wiring conditions and/or in live panels where insulating gloves must be worn. The sensor includes at least one flexible ferromagnetic strip that is affixed to a current sensing device at a first end. The second end is secured to the other side of the current sensing device or to another flexible ferromagnetic strip extending from the other side of the current sensing device to form a loop providing a closed pathway for magnetic flux. A voltage sensor may be provided by metal foil affixed to the inside of the flexible ferromagnetic strip. A clamp body, which can be a spring loaded handle operated clamp or a locking fastener, can secure the ferromagnetic strip around the wire.

Helper Thread for Pre-Fetching Data

A set of helper thread binaries is created to retrieve data used by a set of main thread binaries. If executing a portion of the set of helper thread binaries results in the retrieval of data needed by the set of main thread binaries, then that retrieved data is utilized by the set of main thread binaries.

Customized Power Rating for Computer Equipment

A mechanism is provided for customized power rating for computer equipment. A power monitor determines actual power consumption by computer equipment in a facility. After equipment has been stressed, an operator sends the actual power consumption information to the manufacturer. The manufacturer receives the actual power consumption information and issues a certificate that acknowledges the equipment will not consume more power than what was measured. The manufacturer may provide digital media that instructs power management hardware in the computer equipment to adhere to an actual case power limit. The power management hardware treats the actual case power limit as a hard power limit. That is, the power management hardware will not specify a power cap higher than the actual case power limit. The power management hardware prevents the equipment from crossing the actual case power limit.

Heatsink allowing in-situ maintenance in a stackable module

A modular processing module allowing in-situ maintenance is provided. The modular processing module comprises a set of processing module sides. Each processing module side comprises a circuit board, a plurality of connectors, and a plurality of processing nodes. Each processing module side couples to another processing module side using at least one connector in the plurality of connectors such that, when all of the set of processing module sides are coupled together, the modular processing module is formed. The modular processing module comprises an exterior connection to a power source and a communication system and at least one heatsink that couples to at least a portion of the plurality of processing nodes on one of the processing module sides and is designed such that, when a set of heatsinks in the modular processing module are installed, an empty space is left in a center of the modular processing module.

Non-contact current and voltage sensor having detachable housing incorporating multiple ferrite cylinder portions

A detachable current and voltage sensor provides an isolated and convenient device to measure current passing through a conductor such as an AC branch circuit wire, as well as providing an indication of an electrostatic potential on the wire, which can be used to indicate the phase of the voltage on the wire, and optionally a magnitude of the voltage. The device includes a housing formed from two portions that mechanically close around the wire and that contain the current and voltage sensors. The current sensor is a ferrite cylinder formed from at least three portions that form the cylinder when the sensor is closed around the wire with a hall effect sensor disposed in a gap between two of the ferrite portions along the circumference to measure current. A capacitive plate or wire is disposed adjacent to, or within, the ferrite cylinder to provide the indication of the voltage.

DATA CENTER POWER CONVERSION EFFICIENCY MANAGEMENT

A data center energy management (DCEM) server configures a power supply in the data center. The DCEM server sums input alternating current (AC) power of the power supply to a total AC power of the data center, wherein the total AC power of the data center is a sum of AC power of a plurality of power supplies. The DCEM server sums output direct current (DC) power of the power supply to a total DC power of the data center and reports a ratio of total AC power to total DC power as data center power conversion efficiency. The DCEM server sets a preset power supply efficiency threshold. The DCEM server determines that a real-time power efficiency level is below the power supply efficiency threshold. The DCEM server, responsive to a determination that real-time power efficiency level is below the power supply efficiency threshold, may remedy the power supply. 1. A computer implemented method for reporting power conversion efficiency information , the method comprising:receiving, by a computer, a query for real-time power supply efficiency; andresponsive to receiving the query, reporting the real-time power supply efficiency to a source for the query, wherein the query for real-time power supply efficiency is a query for the real-time power supply efficiency for a plurality of power supplies; andincreasing power efficiency among a plurality of power supply units of a data center in response reporting the real-time power supply efficiency to the source for the query.2. The computer implemented method of claim 1 , further comprising:querying, by information technology equipment, each power supply unit for at least one selected from the group consisting of input current, input voltage, output current, output voltage; andcalculating, by information technology equipment, for each power supply the power supply efficiency.3. The computer implemented method of claim 1 , further comprising:measuring, by information technology equipment, each power supply unit for at least one ...

Liquid cooling system for stackable modules in energy-efficient computing systems

A computing system is provided. In the computing system, a plurality of modules physically arranged in a three dimensional hexadron configuration. In the computing system, the at least one module is either a liquid-tight module filled with a non-conductive liquid coolant or a module cooled with a liquid coolant circulating through cold plates mounted on electronic components. In the computing system, the liquid coolant is circulated in a closed loop by at least one pump through a plurality of hoses through at least one of a plurality of heat exchangers. In the computing system, the plurality of heat exchangers is coupled to an exterior portion of the surface of the computing system. In the computing system, the plurality of heat exchangers cool the liquid coolant through tinned tubes exposed to the surrounding air.

Managing processor power-performance states

Disclosed are systems, methods, and computer program products for managing power states in processors of a data processing system. In one embodiment, the invention is directed to a data processing system having dynamically configurable power-performance states (pstates). The data processing system includes a processor configured to operate at multiple states of frequency and voltage. The data processing system also has a power manager module configured to monitor operation of the data processing system. The data processing system further includes a pstates table having a plurality of pstate definitions, wherein each pstate definition includes a voltage value, a frequency value, and at least one unique pointer that indicates a transition from a given pstate to a different pstate. The voltage value, frequency value, and unique pointer of a given pstate definition are configurable, during operation of the data processing system, by the power manager module in response to changes in the operating ...

Use of a Helper Thread to Asynchronously Compute Incoming Data

A set of helper thread binaries is created from a set of main thread binaries. The helper thread monitors software or hardware ports for incoming data events. When the helper thread detects an incoming event, the helper thread asynchronously executes instructions that calculate incoming data needed by the main thread.

Reliable setting of voltage and frequency in a microprocessor

Managing operations associated with one or more voltage changes and one or more frequency changes. A voltage change request and a frequency change request are associated with dynamic voltage and frequency scaling (DVFS) operations. The DVFS operations are transmitted by the processors to be executed by one or more direct current assemblies. A sequence associated with the one or more voltage changes and a sequence associated with the one or more frequency changes are detected by the system. The sequences are dynamically modified to enable insertion of an additional voltage change, whereby the additional voltage change indicates completion of one or more previous voltage change requests. Completion of the voltage change request enables one or more subsequent voltage change requests to be processed. When a voltage change request is not successfully completed one or more future voltage changes are suspended.

Weighted event counting system and method for processor performance measurements

A weighted event counting system and method for processor performance measurements provides low latency and low error performance measurement capability. A weighted performance counter accumulates a performance count according to a plurality of event signals provided from functional units in the processor. Differing weights are applied to the event signals in according to the correlation between each event with processor performance. The weights may be provided from programmable registers, so that the weights can be adjusted under program control. The event signals may be combined to reduce the bit-width of the set of event signal, with mutually-exclusive events merged in single fields of the combinatorial result and events having the same weights merged according to a sub-total. The weights are applied to the combinatorial result and used to update a performance count. The performance count can then be used by power management software or hardware to make adjustments in operating parameters ...

Heatsink Allowing In-Situ Maintenance in a Stackable Module

A modular processing module allowing in-situ maintenance is provided. The modular processing module comprises a set of processing module sides. Each processing module side comprises a circuit board, a plurality of connectors, and a plurality of processing nodes. Each processing module side couples to another processing module side using at least one connector in the plurality of connectors such that, when all of the set of processing module sides are coupled together, the modular processing module is formed. The modular processing module comprises an exterior connection to a power source and a communication system and at least one heatsink that couples to at least a portion of the plurality of processing nodes on one of the processing module sides and is designed such that, when a set of heatsinks in the modular processing module are installed, an empty space is left in a center of the modular processing module.

Liquid Cooling System for Stackable Modules in Energy-Efficient Computing Systems

A processing module is provided that comprises a set of processing module sides, each comprising a circuit board, a plurality of connectors coupled to the circuit board, and a plurality of processing nodes coupled to the circuit board. Each processing module side couples to another processing module side to form a modular processing module. The modular processing module comprises an exterior connection to a power source and a communication system and a plurality of cold plates coupled to the plurality of processing nodes. Liquid coolant is circulated through the plurality of cold plates via a closed loop by at least one pump through a plurality of tubes and through at least one heat exchanger. The at least one heat exchanger is coupled to an exterior portion of the processing module. The at least one heat exchanger cools the liquid coolant using air surrounding the processing module.

General purpose register cloning

A clone set of General Purpose Registers (GPRs) is created to be used by a set of helper thread binaries, which is created from a set of main thread binaries. When the set of main thread binaries enters a wait state, the set of helper thread binaries uses the clone set of GPRs to continue using unused execution units within a processor core. The set of helper threads are thus able to warm up local cache memory with data that will be needed when execution of the set of main thread binaries resumes.

Oversubscribing branch circuits while lowering power distribution costs

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.

NON-CONTACT CURRENT AND VOLTAGE SENSOR

A detachable current and voltage sensor provides an isolated and convenient device to measure current passing through a conductor such as an AC branch circuit wire, as well as providing an indication of an electrostatic potential on the wire, which can be used to indicate the phase of the voltage on the wire, and optionally a magnitude of the voltage. The device includes a housing that contains the current and voltage sensors, which may be a ferrite cylinder with a hall effect sensor disposed in a gap along the circumference to measure current, or alternative a winding provided through the cylinder along its axis and a capacitive plate or wire disposed adjacent to, or within, the ferrite cylinder to provide the indication of the voltage. 1. A sensor for sensing an electric potential on a wire of a power distribution system and a current passing through the wire , the sensor comprising:a housing for detachably coupling the sensor to the wire;a current sensing device integrated in the housing for providing a first output indicative of the current passing through the wire; anda voltage sensing device integrated in the housing for providing a second output indicative of the electric potential on the wire, wherein the voltage sensing device and the current sensing device do not make electrical contact with the wire.2. The sensor of claim 1 , wherein the current sensing device comprises:at least two ferrite cylinder portions disposed within the housing, wherein when the housing is coupled to the wire, the wire passes through a central void defined by the ferrite cylinder portions extending through a central axis thereof, and wherein a gap is defined along a circumference of a cylinder formed by the ferrite cylinder portions; anda semiconductor magnetic field sensor disposed within the gap, wherein the second output is a voltage output of the semiconductor magnetic field sensor.3. The sensor of claim 2 , wherein the housing comprises at least two housing portions rotatably ...

DATA CENTER POWER CONVERSION EFFICIENCY MANAGEMENT

A data center energy management (DCEM) server configures a power supply in the data center. The DCEM server sums input alternating current (AC) power of the power supply to a total AC power of the data center, wherein the total AC power of the data center is a sum of AC power of a plurality of power supplies. The DCEM server sums output direct current (DC) power of the power supply to a total DC power of the data center and reports a ratio of total AC power to total DC power as data center power conversion efficiency. The DCEM server sets a preset power supply efficiency threshold. The DCEM server determines that a real-time power efficiency level is below the power supply efficiency threshold. The DCEM server, responsive to a determination that real-time power efficiency level is below the power supply efficiency threshold, may remedy the power supply. 1. A computer implemented method in a power supply unit , the method comprising:measuring input current, output currents, input voltage, and output voltages to form measured input current, output currents, input voltage, and output voltages;calculating root mean square value of input current, and input voltage;calculating phase angle between input current and input voltage; andtransmitting root mean square values of measured input current, root mean square value of measured input voltage, phase angle between measured input current and input voltage, measured output currents, and measured output voltages; andincreasing power efficiency among a plurality of power supply units of a data center in response transmitting the root mean square values of measured input current, root mean square value of measured input voltage, phase angle between measured input current and input voltage, measured output currents, and measured output voltages.2. The computer implemented method of claim 1 , further comprising:calculating a real-time power efficiency based on real-time input current, real-time output current, real-time input ...

Liquid cooling system for stackable modules in energy-efficient computing systems

A computing system is provided. In the computing system, a plurality of modules physically arranged in a three dimensional hexadron configuration. In the computing system, the at least one module is either a liquid-tight module filled with a non-conductive liquid coolant or a module cooled with a liquid coolant circulating through cold plates mounted on electronic components. In the computing system, the liquid coolant is circulated in a closed loop by at least one pump through a plurality of hoses through at least one of a plurality of heat exchangers. In the computing system, the plurality of heat exchangers is coupled to an exterior portion of the surface of the computing system. In the computing system, the plurality of heat exchangers cool the liquid coolant through finned tubes exposed to the surrounding air.

Heatsink allowing in-situ maintenance in a stackable module

A modular processing module allowing in-situ maintenance is provided. The modular processing module comprises a set of processing module sides. Each processing module side comprises a circuit board, a plurality of connectors, and a plurality of processing nodes. Each processing module side couples to another processing module side using at least one connector in the plurality of connectors such that, when all of the set of processing module sides are coupled together, the modular processing module is formed. The modular processing module comprises an exterior connection to a power source and a communication system and at least one heatsink that couples to at least a portion of the plurality of processing nodes on one of the processing module sides and is designed such that, when a set of heatsinks in the modular processing module are installed, an empty space is left in a center of the modular processing module.

Oversubscribing branch circuits while lowering power distribution costs

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.

Scalable Space-Optimized and Energy-Efficient Computing System

A scalable space-optimized and energy-efficient computing system is provided. The computing system comprises a plurality of modular compartments in at least one level of a frame configured in a hexadron configuration. The computing system also comprises an air inlet, an air mixing plenum, and at least one fan. In the computing system the plurality of modular compartments are affixed above the air inlet, the air mixing plenum is affixed above the plurality of modular compartments, and the at least one fan is affixed above the air mixing plenum. When at least one module is inserted into one of the plurality of modular compartments, the module couples to a backplane within the frame.

WIRE MANAGEMENT METHOD WITH CURRENT AND VOLTAGE SENSING

A wire management method using a wire manager including current sensing features provides input for power measurement and management systems. The wire manager may be a single wire or single bundle retaining device with a current sensor such as a hall effect sensor integrated therein, or may be a multi-wire management housing with multiple current sensing devices disposed inside for measuring the current through multiple wires. The wires may be multiple branch circuits in a power distribution panel or raceway, and the wire manager may be adapted for mounting in such a panel or raceway. Voltage sensing may also be incorporated within the sensors by providing an electrically conductive plate, wire or other element that capacitively couples to the corresponding wire. 1. A method of providing energy usage measurement by a load , the method comprising:controlling a position of a wire delivering energy to the load with a wire managing device that secures the wire;measuring a current passing through the wire with a current sensor integrated within a body of the wire managing device; anddetermining an energy usage of the load from a result of the measuring.2. The method of claim 1 , further comprising sensing an electric potential at the wire using a voltage sensing element integrated in the wire managing device claim 1 , and wherein the determining further determines the energy usage in conformity with the result of the sensing of the electric potential.3. The method of claim 1 , wherein the controlling controls the position of multiple wires claim 1 , wherein the measuring measures corresponding currents passing through the multiple wires claim 1 , and wherein the determining determines an energy usage of multiple loads supplied by the multiple wires.4. The method of claim 3 , further comprising sensing electric potentials at one or more of the multiple wires using one or more voltage sensing elements integrated in the wire managing device claim 3 , and wherein the ...

Method and System for Improving Processing Performance by Using Activity Factor Headroom

A method and system for improving processing performance by using activity factor headroom provides improved performance while meeting power management constraints in a processing system. The method and system estimate the power consumption of the system from a model that relates measured activities at a present operating point to power consumption for any available operating point of one or more processors in the system. The method then chooses the operating point(s) with the highest performance among the available operating points that will still meet budgetary constraints or specific thresholds of power consumption. The budgetary constraints or specific thresholds may be dynamically adjusted, and the method will update the operating point(s) to maintain safe operation and maximize performance. The method provides the best performance for the executing workload while ensuring safe operation.

Non-contact current and voltage sensing method using a clamshell housing and a ferrite cylinder

A method of measurement using a detachable current and voltage sensor provides an isolated and convenient technique for to measuring current passing through a conductor such as an AC branch circuit wire, as well as providing an indication of an electrostatic potential on the wire, which can be used to indicate the phase of the voltage on the wire, and optionally a magnitude of the voltage. The device includes a housing that contains the current and voltage sensors, which may be a ferrite cylinder with a hall effect sensor disposed in a gap along the circumference to measure current, or alternative a winding provided through the cylinder along its axis and a capacitive plate or wire disposed adjacent to, or within, the ferrite cylinder to provide the indication of the voltage.

Liquid Cooling System for Stackable Modules in Energy-Efficient Computing Systems

A computing system is provided. In the computing system, a plurality of modules physically arranged in a three dimensional hexadron configuration. In the computing system, the at least one module is either a liquid-tight module filled with a non-conductive liquid coolant or a module cooled with a liquid coolant circulating through cold plates mounted on electronic components. In the computing system, the liquid coolant is circulated in a closed loop by at least one pump through a plurality of hoses through at least one of a plurality of heat exchangers. In the computing system, the plurality of heat exchangers is coupled to an exterior portion of the surface of the computing system. In the computing system, the plurality of heat exchangers cool the liquid coolant through finned tubes exposed to the surrounding air.

Stackable Module for Energy-Efficient Computing Systems

A modular processing module is provided. The modular processing module comprises a set of processing module sides. Each processing module side comprises a circuit board, a plurality of connectors coupled to the circuit board, and a plurality of processing nodes coupled to the circuit board. Each processing module side in the set of processing module sides couples to another processing module side using at least one connector in the plurality of connectors such that, when all of the set of processing module sides are coupled together, the modular processing module is formed. The modular processing module comprises an exterior connection to a power source and a communication system.

Multi-branch current/voltage sensor array

A sensor array including multiple current sensors provides input for power measurement and management systems. The sensor array includes split ferrite cylinder portions connected by a frame, so that when the array is installed around multiple branch circuits in a power distribution panel or raceway, the ferrite cylinders are completed to surround the conductor(s) of the associated branch circuit. Voltage sensing may also be incorporated within the sensors by providing an electrically conductive plate, wire or other element that capacitively couples to the corresponding wire(s).

Statistical determination of power-circuit connectivity

A mechanism is provided for statistical determination of power circuit connectivity based on signal detection in a circuit. Signal data from the circuit gathered and a determination is made as to whether a signal of interest is present in the gathered signal data from the circuit using a statistical analysis of the gathered signal data. The statistical analysis comprises using a mean current value and statistical deviation of the current value of the signal data over a predetermined period of time to compute a confidence range. The confidence range is compared to a first threshold and a second threshold. A determination is made that the signal is present in response to the confidence range being above the first threshold. A determination is made that the signal is not present in response to the confidence range being below the second threshold.

Power distribution device communications platform

A communications system is provided for direct communications between powered elements. A controller hub injects a first message via a modulated communication signal onto a branch circuit using a hub-side power line communication (PLC) coupler. An element-side PLC coupler associated with a powered element in a set of powered elements detects the first message and sends an interrupt to a mini-controller in the powered element. The mini-controller receives the interrupt from the element-side PLC coupler, extracts the first message using the element-side PLC coupler; reads a destination identifier in the first message; compares the destination identifier in the first message to a mini-controller identifier in the mini-controller; sends an acknowledgement message back to the controller hub in response to the destination identifier in the first message matching the mini-controller identifier, and forwards the first message to the powered element. The powered element performs a command identified in the first message.

Oversubscribing Branch Circuits While Lowering Power Distribution Costs

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.

FLEXIBLE CURRENT AND VOLTAGE SENSOR

A flexible current and voltage sensor provides ease of installation of a current sensor, and optionally a voltage sensor in application such as AC branch circuit wire measurements, which may require installation in dense wiring conditions and/or in live panels where insulating gloves must be worn. The sensor includes at least one flexible ferromagnetic strip that is affixed to a current sensing device at a first end. The second end is secured to the other side of the current sensing device or to another flexible ferromagnetic strip extending from the other side of the current sensing device to form a loop providing a closed pathway for magnetic flux. A voltage sensor may be provided by metal foil affixed to the inside of the flexible ferromagnetic strip. A clamp body, which can be a spring loaded handle operated clamp or a locking fastener, can secure the ferromagnetic strip around the wire. 1. A sensor for sensing a current passing through a wire of a power distribution system , the sensor comprising:a current sensing device for providing a first output indicative of the current passing through the wire; anda flexible ferromagnetic strip having the current sensing device affixed at an end thereof for forming a closed pathway for magnetic flux when the sensor is coupled to the wire.2. The sensor of claim 1 , further comprising a voltage sensing device affixed to the flexible ferromagnetic strip for providing a second output indicative of the electric potential on the wire claim 1 , wherein the voltage sensing device does not make electrical contact with the wire.3. The sensor of claim 2 , wherein the voltage sensing device comprises a metal foil having substantially a same width and a same length as the flexible ferromagnetic strip.4. The sensor of claim 1 , wherein the flexible ferromagnetic strip is a first ferromagnetic strip having a first side of the current sensing device affixed at a first end thereof claim 1 , and further comprising a second ferromagnetic ...

NON-CONTACT CURRENT AND VOLTAGE SENSOR

A detachable current and voltage sensor provides an isolated and convenient device to measure current passing through a conductor such as an AC branch circuit wire, as well as providing an indication of an electrostatic potential on the wire, which can be used to indicate the phase of the voltage on the wire, and optionally a magnitude of the voltage. The device includes a housing that contains the current and voltage sensors, which may be a ferrite cylinder with a hall effect sensor disposed in a gap along the circumference to measure current, or alternative a winding provided through the cylinder along its axis and a capacitive plate or wire disposed adjacent to, or within, the ferrite cylinder to provide the indication of the voltage. 1. A sensor for sensing an electric potential on a wire of a power distribution system and a current passing through the wire , the sensor comprising:a housing for detachably coupling the sensor to the wire, wherein the housing comprises two portions mechanically coupled together such that the housing is closed around the wire when the sensor is coupled to the wire, wherein the portions are mechanically operable to open the housing to remove the wire from the sensor without disconnecting either end of the wire from an external device;a current sensing device integrated in the housing for providing a first output indicative of the current passing through the wire; anda voltage sensing device integrated in the housing for providing a second output indicative of the electric potential on the wire, wherein the voltage sensing device and the current sensing device do not make electrical contact with the wire.2. The sensor of claim 1 , wherein the current sensing device comprises:at least two ferrite cylinder portions disposed within the housing, wherein when the housing is coupled to the wire, the wire passes through a central void defined by the ferrite cylinder portions extending through a central axis thereof, and wherein a gap is ...

MANAGING PROCESSOR POWER-PERFORMANCE STATES

Disclosed are systems, methods, and computer program products for managing power states in processors of a data processing system. In one embodiment, the invention is directed to a data processing system having dynamically configurable power-performance states (pstates). The data processing system includes a processor configured to operate at multiple states of frequency and voltage. The data processing system also has a power manager module configured to monitor operation of the data processing system. The data processing system further includes a pstates table having a plurality of pstate definitions, wherein each pstate definition includes a voltage value, a frequency value, and at least one unique pointer that indicates a transition from a given pstate to a different pstate. The voltage value, frequency value, and unique pointer of a given pstate definition are configurable, during operation of the data processing system, by the power manager module in response to changes in the operating ...

Liquid Cooling System for Stackable Modules in Energy-Efficient Computing Systems

A computing system is provided. In the computing system, a plurality of modules physically arranged in a three dimensional hexadron configuration. In the computing system, the at least one module is either a liquid-tight module filled with a non-conductive liquid coolant or a module cooled with a liquid coolant circulating through cold plates mounted on electronic components. In the computing system, the liquid coolant is circulated in a closed loop by at least one pump through a plurality of hoses through at least one of a plurality of heat exchangers. In the computing system, the plurality of heat exchangers is coupled to an exterior portion of the surface of the computing system. In the computing system, the plurality of heat exchangers cool the liquid coolant through tinned tubes exposed to the surrounding air. 115-. (canceled)16. A liquid-tight module , comprising:a processing module top;a processing module bottom;a set of processing module sides, wherein each processing module side comprises:a circuit board;a plurality of connectors coupled to the circuit board; anda plurality of processing nodes coupled to the circuit board, wherein each processing module side in the set of processing module sides couples to another processing module side using at least one connector in the plurality of connectors such that when all of the set of processing module sides are coupled together with the processing module top and the processing module bottom, the liquid-tight module is formed, and wherein the liquid-tight module is filled with a non-conductive liquid coolant used to cool the plurality of processing nodes within the liquid-tight module, wherein the non-conductive liquid coolant is circulated in a closed loop by at least one pump through a plurality of tubes and at least one heat exchanger in a plurality of heat exchangers, wherein the at least one heat exchanger is coupled to an exterior portion of the liquid-tight module, and wherein the at least one heat ...

Processing performance improvement using activity factor headroom

Processing system performance is improved while meeting power management constraints in a processing system by using activity factor headroom estimation. The method and system estimate the power consumption of the system from a model that relates measured activities at a present operating point to power consumption for any available operating point of one or more processors in the system. The method then chooses the operating point(s) with the highest performance among the available operating points that will still meet budgetary constraints or specific thresholds of power consumption. The budgetary constraints or specific thresholds may be dynamically adjusted, and the method will update the operating point(s) to maintain safe operation and maximize performance. The method provides the best performance for the executing workload while ensuring safe operation.

Power Distribution Device Communications Platform

A communications system is provided for direct communications between powered elements. A controller hub injects a first message via a modulated communication signal onto a branch circuit using a hub-side power line communication (PLC) coupler. An element-side PLC coupler associated with a powered element in a set of powered elements detects the first message and sends an interrupt to a mini-controller in the powered element. The mini-controller receives the interrupt from the element-side PLC coupler, extracts the first message using the element-side PLC coupler; reads a destination identifier in the first message; compares the destination identifier in the first message to a mini-controller identifier in the mini-controller; sends an acknowledgement message back to the controller hub in response to the destination identifier in the first message matching the mini-controller identifier, and forwards the first message to the powered element. The powered element performs a command identified ...

Customized power rating for computer equipment

A mechanism is provided for customized power rating for computer equipment. A power monitor determines actual power consumption by computer equipment in a facility. After equipment has been stressed, an operator sends the actual power consumption information to the manufacturer. The manufacturer receives the actual power consumption information and issues a certificate that acknowledges the equipment will not consume more power than what was measured. The manufacturer may provide digital media that instructs power management hardware in the computer equipment to adhere to an actual case power limit. The power management hardware treats the actual case power limit as a hard power limit. That is, the power management hardware will not specify a power cap higher than the actual case power limit. The power management hardware prevents the equipment from crossing the actual case power limit.

Non-contact current-sensing and voltage-sensing clamp

A clamping current and voltage sensor provides an isolated and convenient technique for measuring current passing through a conductor such as an AC branch circuit wire, as well as providing an indication of an electrostatic potential on the wire, which can be used to indicate the phase of the voltage on the wire, and optionally a magnitude of the voltage. The device includes a body formed from two handle portions that contain the current and voltage sensors within an aperture at the distal end, which may be a ferrite cylinder with a hall effect sensor disposed in a gap along the circumference to measure current, or alternatively a winding provided through the cylinder along its axis and a capacitive plate or wire disposed adjacent to, or within, the ferrite cylinder to provide the indication of the voltage. When the handles are compressed the aperture is opened to permit insertion of a wire for measurement.

NON-CONTACT CURRENT AND VOLTAGE SENSING METHOD

A method of measurement using a detachable current and voltage sensor provides an isolated and convenient technique for to measuring current passing through a conductor such as an AC branch circuit wire, as well as providing an indication of an electrostatic potential on the wire, which can be used to indicate the phase of the voltage on the wire, and optionally a magnitude of the voltage. The device includes a housing that contains the current and voltage sensors, which may be a ferrite cylinder with a hall effect sensor disposed in a gap along the circumference to measure current, or alternative a winding provided through the cylinder along its axis and a capacitive plate or wire disposed adjacent to, or within, the ferrite cylinder to provide the indication of the voltage.

Sensor-swarm environmental event detection

Data center environmental sensing is provided by a measurement system that detects environmental events from inputs received from a plurality of movable sensors. The sensors are moved in response to detection of an event to a region of the data center associated with the event, providing increased spatial resolution of the measurement in the region of the event. Events such as leakage between hot and cold aisles of a data center can be detected by the system, which may use one or more movable devices that can be moved around, between and over equipment, to carry multiple sensors toward the source of the event, providing both diagnostic and detailed environmental information.

Weighted event counting system and method for processor performance measurements

A weighted event counting system and method for processor performance measurements provides low latency and low error performance measurement capability. A weighted performance counter accumulates a performance count according to a plurality of event signals provided from functional units in the processor. Differing weights are applied to the event signals in according to the correlation between each event with processor performance. The weights may be provided from programmable registers, so that the weights can be adjusted under program control. The event signals may be combined to reduce the bit-width of the set of event signal, with mutually-exclusive events merged in single fields of the combinatorial result and events having the same weights merged according to a sub-total. The weights are applied to the combinatorial result and used to update a performance count. The performance count can then be used by power management software or hardware to make adjustments in operating parameters ...

Statistical Determination of Power-Circuit Connectivity

A mechanism is provided for statistical determination of power circuit connectivity based on signal detection in a circuit. Signal data from the circuit gathered and a determination is made as to whether a signal of interest is present in the gathered signal data from the circuit using a statistical analysis of the gathered signal data. The statistical analysis comprises using a mean current value and statistical deviation of the current value of the signal data over a predetermined period of time to compute a confidence range. The confidence range is compared to a first threshold and a second threshold. A determination is made that the signal is present in response to the confidence range being above the first threshold. A determination is made that the signal is not present in response to the confidence range being below the second threshold. 1. A method , in a data processing system , for statistical determination of power circuit connectivity based on signal detection in a circuit , comprising:gathering signal data from the circuit; anddetermining whether a signal of interest is present in the gathered signal data from the circuit using a statistical analysis of the gathered signal data, wherein the statistical analysis comprises using a mean current value and statistical deviation of the current value of the signal data over a predetermined period of time to compute a confidence range and comparing the confidence range to a first threshold and a second threshold, wherein a determination that the signal is present is made in response to the confidence range being above the first threshold, and wherein a determination that the signal is not present is made in response to the confidence range being below the second threshold.2. The method of claim 1 , wherein a lower bound of the confidence range is used to determine whether the signal is present.3. The method of claim 1 , wherein a higher bound of the confidence range is used to determine whether the signal is ...

MULTI-BRANCH CURRENT/VOLTAGE SENSOR ARRAY

A sensor array including multiple current sensors provides input for power measurement and management systems. The sensor array includes split ferrite cylinder portions connected by a frame, so that when the array is installed around multiple branch circuits in a power distribution panel or raceway, the ferrite cylinders are completed to surround the conductor(s) of the associated branch circuit. Voltage sensing may also be incorporated within the sensors by providing an electrically conductive plate, wire or other element that capacitively couples to the corresponding wire(s). 1. A current-sensing device for measuring individual currents passing through multiple wires corresponding to multiple branch circuits , the current-sensing device comprising:a first frame member having a first set of multiple ferrite cylinder portions corresponding to the multiple branch circuit wires integrated within the first frame member;a second frame member having a second set of multiple ferrite cylinder portions corresponding to the first set of ferrite cylinder portions, such that when the first frame member is fastened to the second frame member in a closed position, the first set of multiple ferrite cylinder portions are located proximate to or contacting corresponding ones of the second set of multiple ferrite cylinder portions to form substantially closed magnetic flux loops surrounding the corresponding wires of the multiple branch circuits; andmultiple current sensors coupled to the corresponding magnetic flux loops formed by the first and second sets of multiple ferrite cylinder portions.2. The current-sensing device of claim 1 , wherein the multiple current sensors comprise multiple semiconductor current sensors located within gaps formed in the corresponding magnetic flux loops formed by the first and second sets of multiple ferrite cylinder portions.3. The current-sensing device of claim 1 , wherein the multiple current sensors comprise multiple coils claim 1 , each wound ...

Automatically Detecting and Locating Equipment Within an Equipment Rack

A mechanism is provided for automatically detecting and locating equipment within an intelligent equipment rack. The intelligent equipment rack comprises a rack controller that determines whether a signal has been received indicating that a rack space in a plurality of rack spaces in the intelligent equipment rack has been occupied by a piece of electronic equipment. Responsive to receiving the signal indicating that the rack space has been occupied by the piece of electronic equipment, the rack controller updates a rack information table in the memory with occupation information related to the rack space occupied by the piece of electronic equipment.

Stackable module for energy-efficient computing systems

A modular processing module is provided. The modular processing module comprises a set of processing module sides. Each processing module side comprises a circuit board, a plurality of connectors coupled to the circuit board, and a plurality of processing nodes coupled to the circuit board. Each processing module side in the set of processing module sides couples to another processing module side using at least one connector in the plurality of connectors such that, when all of the set of processing module sides are coupled together, the modular processing module is formed. The modular processing module comprises an exterior connection to a power source and a communication system.

Non-contact current and voltage sensor

A detachable current and voltage sensor provides an isolated and convenient device to measure current passing through a conductor such as an AC branch circuit wire, as well as providing an indication of an electrostatic potential on the wire, which can be used to indicate the phase of the voltage on the wire, and optionally a magnitude of the voltage. The device includes a housing that contains the current and voltage sensors, which may be a ferrite cylinder with a hall effect sensor disposed in a gap along the circumference to measure current, or alternative a winding provided through the cylinder along its axis and a capacitive plate or wire disposed adjacent to, or within, the ferrite cylinder to provide the indication of the voltage.

WEIGHTED EVENT COUNTING SYSTEM AND METHOD FOR PROCESSOR PERFORMANCE MEASUREMENTS

A weighted event counting system and method for processor performance measurements provides low latency and low error performance measurement capability. A weighted performance counter accumulates a performance count according to a plurality of event signals provided from functional units in the processor. Differing weights are applied to the event signals in according to the correlation between each event with processor performance. The weights may be provided from programmable registers, so that the weights can be adjusted under program control. The event signals may be combined to reduce the bit-width of the set of event signal, with mutually-exclusive events merged in single fields of the combinatorial result and events having the same weights merged according to a sub-total. The weights are applied to the combinatorial result and used to update a performance count. The performance count can then be used by power management software or hardware to make adjustments in operating parameters ...

Heatsink Allowing In-Situ Maintenance in a Stackable Module

A modular processing module allowing in-situ maintenance is provided. The modular processing module comprises a set of processing module sides. Each processing module side comprises a circuit board, a plurality of connectors, and a plurality of processing nodes. Each processing module side couples to another processing module side using at least one connector in the plurality of connectors such that, when all of the set of processing module sides are coupled together, the modular processing module is formed. The modular processing module comprises an exterior connection to a power source and a communication system and at least one heatsink that couples to at least a portion of the plurality of processing nodes on one of the processing module sides and is designed such that, when a set of heatsinks in the modular processing module are installed, an empty space is left in a center of the modular processing module. 1. A modular processing module allowing in-situ maintenance comprising:a set of processing module sides, wherein each processing module side comprises:a circuit board;a plurality of connectors coupled to the circuit board; and an exterior connection to a power source and a communication system; and', 'at least one heatsink that couples to at least a portion of the plurality of processing nodes on one of the processing module sides, wherein the at least one heatsink is designed such that, when a set of heatsinks in the modular processing module are installed, an empty space is left in a center of the modular processing module, wherein the empty space in the center of the processing module is filled with a core that fills an air gap left by the set of heatsinks in the modular processing module, wherein the core is comprised of a plurality of core sections, wherein the plurality of core sections are coupled together using retention mechanisms, and wherein the plurality of core sections are coupled together using expansion mechanisms, and wherein upon release of ...

SENSOR-SWARM ENVIRONMENTAL EVENT DETECTION

Data center environmental sensing is provided by a measurement system that detects environmental events from inputs received from a plurality of movable sensors. The sensors are moved in response to detection of an event to a region of the data center associated with the event, providing increased spatial resolution of the measurement in the region of the event. Events such as leakage between hot and cold aisles of a data center can be detected by the system, which may use one or more movable devices that can be moved around, between and over equipment, to carry multiple sensors toward the source of the event, providing both diagnostic and detailed environmental information. 1. A system for evaluating an environmental event in a data center , the system comprising:multiple movable sensors for measuring an environmental parameter associated with the environmental event;a measurement system for receiving outputs of the multiple movable sensors and generating measurement values of the environmental parameter, wherein the measurement system detects the environmental event from the measurement values; anda controller for moving the multiple movable sensors in response to the measurement system detecting the environmental event to increase a spatial resolution of the measurement values in a region of the data center associated with the event.2. The system of claim 1 , further comprising a movable device to which one or more of the multiple movable sensors is affixed claim 1 , wherein the movable device is controlled by the controller to move the movable device proximate to the region of the data center to increase the spatial resolution of the measurement values.3. The system of claim 2 , wherein a plurality of the multiple movable sensors are affixed to the movable device claim 2 , and wherein the multiple movable sensors have fixed spatial relationship with respect to a frame of the movable device.4. The system of claim 2 , further comprising a plurality of fixed ...

NON-CONTACT CURRENT AND VOLTAGE SENSING CLAMP

A clamping current and voltage sensor provides an isolated and convenient technique for measuring current passing through a conductor such as an AC branch circuit wire, as well as providing an indication of an electrostatic potential on the wire, which can be used to indicate the phase of the voltage on the wire, and optionally a magnitude of the voltage. The device includes a body formed from two handle portions that contain the current and voltage sensors within an aperture at the distal end, which may be a ferrite cylinder with a hall effect sensor disposed in a gap along the circumference to measure current, or alternatively a winding provided through the cylinder along its axis and a capacitive plate or wire disposed adjacent to, or within, the ferrite cylinder to provide the indication of the voltage. When the handles are compressed the aperture is opened to permit insertion of a wire for measurement. 1. A sensor for sensing an electric potential on a wire of a power distribution system and a current passing through the wire , the sensor comprising:a sensor clamp body including a pair of handles disposed at a proximal end thereof and a hinge mechanism coupling the pair of handles, so that compressing the pair of handles opens an aperture at a distal end of the sensor clamp body for receiving the wire, and wherein the hinge mechanism includes a restoring spring to close the aperture around the wire when the pair of handles is released;a current-sensing device disposed within the sensor clamp body for providing a first output indicative of the current passing through the wire; anda voltage-sensing device integrated in the sensor clamp body for providing a second output indicative of the electric potential on the wire, wherein the voltage-sensing device and the current-sensing device do not make electrical contact with the wire.2. The sensor of claim 1 , wherein the voltage-sensing device comprises at least one metal cylinder portion disposed within the aperture ...

DYNAMICALLY ALLOCATING CACHE IN A MULTI-TENANT PROCESSING INFRASTRUCTURE

Dynamically allocating cache in a multi-tenant infrastructure includes monitoring cache usage for multiple workloads in a multi-tenant processing infrastructure to determine a workload phase. A baseline performance level per workload is determined. The baseline performance level is dependent upon the workload phase. The workloads for each tenant are categorized based on cache utilization and the cache is allocated to each workload based on the baseline performance level, cache utilization, and system wide cache capacity. 1. A computer-implemented method comprising:monitoring cache usage for multiple workloads on a multi-tenant processing infrastructure to determine an infrastructure phase;determining a baseline performance level per workload, which baseline performance level is dependent upon the infrastructure phase;categorizing workloads of each tenant based on cache utilization; andallocating cache to each workload based on the baseline performance level, cache utilization, and system wide cache capacity.2. The computer-implemented method of claim 1 , wherein the multi-tenant processing infrastructure enables unilaterally provisioning computing capabilities in a cloud environment.3. The computer-implemented method of claim 1 , wherein monitoring cache usage claim 1 , determining a baseline performance level claim 1 , categorizing workloads claim 1 , and allocating cache to each workload occurs as the cache is being accessed.4. The computer-implemented method of claim 1 , wherein monitoring cache usage for multiple workloads comprises monitoring cache references claim 1 , cache hits claim 1 , and cache misses for each of the multiple workloads.5. The computer-implemented method of claim 1 , wherein the baseline performance level per workload is guaranteed at any time.6. The computer-implemented method of claim 1 , wherein each workload is classified as one entity selected from the group consisting of a donor claim 1 , a receiver claim 1 , a keeper claim 1 , and ...

Data center power conversion efficiency management

A data center energy management (DCEM) server configures a power supply in the data center. The DCEM server sums input alternating current (AC) power of the power supply to a total AC power of the data center, wherein the total AC power of the data center is a sum of AC power of a plurality of power supplies. The DCEM server sums output direct current (DC) power of the power supply to a total DC power of the data center and reports a ratio of total AC power to total DC power as data center power conversion efficiency. The DCEM server sets a preset power supply efficiency threshold. The DCEM server determines that a real-time power efficiency level is below the power supply efficiency threshold. The DCEM server, responsive to a determination that real-time power efficiency level is below the power supply efficiency threshold, may remedy the power supply.

Wire management method with current and voltage sensing

A wire management method using a wire manager including current sensing features provides input for power measurement and management systems. The wire manager may be a single wire or single bundle retaining device with a current sensor such as a hall effect sensor integrated therein, or may be a multi-wire management housing with multiple current sensing devices disposed inside for measuring the current through multiple wires. The wires may be multiple branch circuits in a power distribution panel or raceway, and the wire manager may be adapted for mounting in such a panel or raceway. Voltage sensing may also be incorporated within the sensors by providing an electrically conductive plate, wire or other element that capacitively couples to the corresponding wire.

Reliable setting of voltage and frequency in a microprocessor

General Purpose Register Cloning

A clone set of General Purpose Registers (GPRs) is created to be used by a set of helper thread binaries, which is created from a set of main thread binaries. When the set of main thread binaries enters a wait state, the set of helper thread binaries uses the clone set of GPRs to continue using unused execution units within a processor core. The set of helper threads are thus able to warm up local cache memory with data that will be needed when execution of the set of main thread binaries resumes.

Wire manager with current and voltage sensing

A wire manager including current sensing features provides input for power measurement and management systems. The wire manager may be a single wire or single bundle retaining device with a current sensor such as a hall effect sensor integrated therein, or may be a multi-wire management housing with multiple current sensing devices disposed inside for measuring the current through multiple wires. The wires may be multiple branch circuits in a power distribution panel or raceway, and the wire manager may be adapted for mounting in such a panel or raceway. Voltage sensing may also be incorporated within the sensors by providing an electrically conductive plate, wire or other element that capacitively couples to the corresponding wire.