Patent application number | Description | Published |
20120095607 | Method, Apparatus, and System for Energy Efficiency and Energy Conservation Through Dynamic Management of Memory and Input/Output Subsystems - According to one embodiment of the invention, an integrated circuit device comprises an interconnect, at least one compute engine and a control unit. Coupled to the at least one compute engine via the interconnect, the control unit to analyze heuristic information from the at least one compute engine and to increase or decrease a bandwidth of the interconnect based on the heuristic information. | 04-19-2012 |
20120173904 | METHOD, APPARATUS, AND SYSTEM FOR ENERGY EFFICIENCY ANDENERGY CONSERVATION INCLUDING DETERMINING AN OPTIMALPOWER STATE OF THE APPARATUS BASED ON RESIDENCY TIME OFNON-CORE DOMAINS IN A POWER SAVING STATE - A processor may determine the actual residency time of a non-core domain residing in a power saving state and based on the actual residency time the processor may determine an optimal power saving state (P-state) for the processor. In response to the non-core domain entering a power saving state, an interrupt generator (IG) may generate a first interrupt and the device drivers or an operating system may use the first interrupt to start a timer (first value). In response to the non-core domain exiting the power saving state, the IG may generate a second interrupt and the device drivers or an operating system may use the second interrupt to stop the timer (final value). The power management unit may use the final and the first value to determine the actual residency time. | 07-05-2012 |
20120216058 | System, Method and Apparatus for Energy Efficiency and Energy Conservation by Configuring Power Management Parameters During Run Time - According to one embodiment of the invention, an integrated circuit device at least one compute engine and a control unit. Coupled to the compute engine(s), the control unit is adapted to dynamically control an energy-efficient operating setting of at least one power management parameter for the integrated circuit device after execution of Basic Input/Output System (BIOS) has already completed | 08-23-2012 |
20130283026 | System, Method and Apparatus For Energy Efficiency And Energy Conservation By Configuring Power Management Parameters During Run Time - According to one embodiment of the invention, an integrated circuit device at least one compute engine and a control unit. Coupled to the compute engine(s), the control unit is adapted to dynamically control an energy-efficient operating setting of at least one power management parameter for the integrated circuit device after execution of Basic Input/Output System (BIOS) has already completed. | 10-24-2013 |
20140026146 | MIGRATING THREADS BETWEEN ASYMMETRIC CORES IN A MULTIPLE CORE PROCESSOR - Some implementations provide techniques and arrangements to migrate threads from a first core of a processor to a second core of the processor. For example, some implementations may identify one or more threads scheduled for execution at a processor. The processor may include a plurality of cores, including a first core having a first characteristic and a second core have a second characteristic that is different than the first characteristic. Execution of the one or more threads by the first core may be initiated. A determination may be made whether to apply a migration policy. In response to determining to apply the migration policy, migration of the one or more threads from the first core to the second core may be initiated. | 01-23-2014 |
20140325247 | CONTROLLING POWER AND PERFORMANCE IN A SYSTEM AGENT OF A PROCESSOR - In an embodiment, a processor includes a core to execute instructions, an agent to perform an operation independently of the core, a fabric to couple the core and agent and including a plurality of domains and a logic to receive isochronous parameter information from the agent and environmental information of a platform and to generate first and second values, and a power controller to control a frequency of the domains based at least in part on the first and second values. Other embodiments are described and claimed. | 10-30-2014 |
20150199002 | METHOD, APPARATUS, AND SYSTEM FOR ENERGY EFFICIENCY AND ENERGY CONSERVATION INCLUDING DETERMINING AN OPTIMAL POWER STATE OF THE APPARATUS BASED ON RESIDENCY TIME OF NON-CORE DOMAINS IN A POWER SAVING STATE - A processor may determine the actual residency time of a non-core domain residing in a power saving state and based on the actual residency time the processor may determine an optimal power saving state (P-state) for the processor. In response to the non-core domain entering a power saving state, an interrupt generator (IG) may generate a first interrupt and the device drivers or an operating system may use the first interrupt to start a timer (first value). In response to the non-core domain exiting the power saving state, the IG may generate a second interrupt and the device drivers or an operating system may use the second interrupt to stop the timer (final value). The power management unit may use the final and the first value to determine the actual residency time. | 07-16-2015 |
Patent application number | Description | Published |
20110148890 | Synchronized media processing - An electronic device comprises a central processing unit, a graphics processing un and a power control unit comprising logic to develop a predictive model of power states for a central processing unit in the electronic device, and use the predictive model to synchronize activity of a graphics processing unit in the electronic device with periods of activity in the central processing unit. Other embodiments may be described. | 06-23-2011 |
20120159074 | METHOD, APPARATUS, AND SYSTEM FOR ENERGY EFFICIENCY AND ENERGY CONSERVATION INCLUDING DYNAMIC CACHE SIZING AND CACHE OPERATING VOLTAGE MANAGEMENT FOR OPTIMAL POWER PERFORMANCE - Embodiments of the invention relate to increased energy efficiency and conservation by reducing and increasing an amount of cache available for use by a processor, and an amount of power supplied to the cache and to the processor, based on the amount of cache actually being used by the processor to process data. For example, a power control unit (PCU) may monitor a last level cache (LLC) to identify if the size or amount of the cache being used by a processor to process data and to determine heuristics based on that amount. Based on the monitored amount of cache being used and the heuristics, the PCU causes a corresponding decrease or increase in an amount of the cache available for use by the processor, and a corresponding decrease or increase in an amount of power supplied to the cache and to the processor. | 06-21-2012 |
20120159216 | METHOD, APPARATUS, AND SYSTEM FOR ENERGY EFFICIENCY AND ENERGY CONSERVATION INCLUDING ENHANCED TEMPERATURE BASED VOLTAGE CONTROL - Embodiments of systems, apparatuses, and methods for energy efficiency and energy conservation including enhanced temperature based voltage control are described. In one embodiment, an apparatus includes a processor and a controller coupled with the processor. In one embodiment, the controller receives a temperature measurement corresponding to a current temperature of the processor. In one embodiment, the controller further determines an adjustment to a voltage being applied to the processor based at least in part on the temperature measurement and a plurality of internal limits of the processor, wherein the determined adjustment to the voltage is based on an inverse temperature dependence relationship between at least one of an operating frequency and a voltage of the processor, and temperature. In one embodiment, the controller provides the determined adjustment to the voltage to a voltage regulator interface. | 06-21-2012 |
20120166839 | METHOD, APPARATUS, AND SYSTEM FOR ENERGY EFFICIENCY AND ENERGY CONSERVATION INCLUDING ENERGY EFFICIENT PROCESSOR THERMAL THROTTLING USING DEEP POWER DOWN MODE - Embodiments of the invention relate to energy efficient and conserving thermal throttling of electronic device processors using a zero voltage processor state. For example, a processor die may include a power control unit (PCU), and an execution unit having power gates and a thermal sensor. The PCU is attached to the thermal sensor to determine if a temperature of the execution unit has increased to greater than an upper threshold, such as while the execution unit is processing data in an active processor power state. The PCU is also attached to the power gates so that upon such detection, it can change the active processor power state to a zero processor power state to reduce the temperature of the execution unit. When the sensor detects that the temperature has decreased to less than a lower threshold, the PCU can change the processor power state back to the active state. | 06-28-2012 |
20120166852 | METHOD, APPARATUS, AND SYSTEM FOR ENERGY EFFICIENCY AND ENERGY CONSERVATION INCLUDING IMPROVED PROCESSOR CORE DEEP POWER DOWN EXIT LATENCY BY USING REGISTER SECONDARY UNINTERRUPTED POWER SUPPLY - Embodiments of the invention relate to improving exit latency from computing device processor core deep power down. Processor state data may be maintained during deep power down mode by providing a secondary uninterrupted voltage supply to always on keeper circuits that reside within critical state registers of the processor. When these registers receive a control signal indicating that the processor power state is going to be reduced from an active processor power state to a zero processor power state, they write critical state data from the critical state register latches to the keeper circuits that are supplied with the uninterrupted power. Then, when a register receives a control signal indicating that a processor power state of the processor is going to be increased back to an active processor power state, the critical state data stored in the keeper circuits is written back to the critical state register latches. | 06-28-2012 |
20120179927 | METHOD, APPARATUS, AND SYSTEM FOR ENERGY EFFICIENCY AND ENERGY CONSERVATION INCLUDING AUTONOMOUS HARDWARE-BASED DEEP POWER DOWN IN DEVICES - Embodiments of systems, apparatuses, and methods for energy efficiency and energy conservation including enabling autonomous hardware-based deep power down of devices are described. In one embodiment, a system includes a device, a static memory, and a power control unit coupled with the device and the static memory. The system further includes a deep power down logic of the power control unit to monitor a status of the device, and to transfer the device to a deep power down state when the device is idle. In the system, the device consumes less power when in the deep power down state than in the idle state. | 07-12-2012 |
20130111120 | Enabling A Non-Core Domain To Control Memory Bandwidth | 05-02-2013 |
20130173902 | SPLIT DEEP POWER DOWN OF I/O MODULE - I/O logic can be separated into critical and non-critical portions, with the non-critical portions being powered down during processor idle. The I/O logic is separated into gate logic and ungated logic, where the ungated logic continues to be powered during a processor deep sleep state, and the gated logic is powered off during the deep sleep state. A power control unit can trigger the shutting down of the I/O logic. | 07-04-2013 |
20130332753 | DYNAMIC POWER LIMIT SHARING IN A PLATFORM - A method and apparatus for dynamic power limit sharing among the modules in the platform. In one embodiment of the invention, the platform comprises a processor and memory modules. By expanding the power domain to include the processor and the memory modules, dynamic sharing of the power budget of the platform between the processor and the memory modules is enabled. For low-bandwidth workloads, the dynamic sharing of the power budget offers significant opportunity for the processor to increase its frequency by using the headroom in the memory power and vice versa. This enables higher peak performance for the same total platform power budget in one embodiment of the invention. | 12-12-2013 |
20140089705 | POWER GATING FOR TERMINATION POWER SUPPLIES - Power gating control architectures. A memory device having at least a memory array and input/output (I/O) lines terminated on the memory device with termination circuitry coupled to receive a termination supply voltage (V | 03-27-2014 |
20140181830 | THREAD MIGRATION SUPPORT FOR ARCHITECTUALLY DIFFERENT CORES - According to one embodiment, a processor includes a plurality of processor cores for executing a plurality of threads, a shared storage communicatively coupled to the plurality of processor cores, a power control unit (PCU) communicatively coupled to the plurality of processors to determine, without any software (SW) intervention, if a thread being performed by a first processor core should be migrated to a second processor core, and a migration unit, in response to receiving an instruction from the PCU to migrate the thread, to store at least a portion of architectural state of the first processor core in the shared storage and to migrate the thread to the second processor core, without any SW intervention, such that the second processor core can continue executing the thread based on the architectural state from the shared storage without knowledge of the SW. | 06-26-2014 |
20140189299 | HETERGENEOUS PROCESSOR APPARATUS AND METHOD - A heterogeneous processor architecture is described. For example, a processor according to one embodiment of the invention comprises: a set of large physical processor cores; a set of small physical processor cores having relatively lower performance processing capabilities and relatively lower power usage relative to the large physical processor cores; virtual-to-physical (V-P) mapping logic to expose the set of large physical processor cores to software through a corresponding set of virtual cores and to hide the set of small physical processor core from the software. | 07-03-2014 |
20140189301 | HIGH DYNAMIC RANGE SOFTWARE-TRANSPARENT HETEROGENEOUS COMPUTING ELEMENT PROCESSORS, METHODS, AND SYSTEMS - A processor of an aspect includes at least one lower processing capability and lower power consumption physical compute element and at least one higher processing capability and higher power consumption physical compute element. Migration performance benefit evaluation logic is to evaluate a performance benefit of a migration of a workload from the at least one lower processing capability compute element to the at least one higher processing capability compute element, and to determine whether or not to allow the migration based on the evaluated performance benefit. Available energy and thermal budget evaluation logic is to evaluate available energy and thermal budgets and to determine to allow the migration if the migration fits within the available energy and thermal budgets. Workload migration logic is to perform the migration when allowed by both the migration performance benefit evaluation logic and the available energy and thermal budget evaluation logic. | 07-03-2014 |
20140189302 | OPTIMAL LOGICAL PROCESSOR COUNT AND TYPE SELECTION FOR A GIVEN WORKLOAD BASED ON PLATFORM THERMALS AND POWER BUDGETING CONSTRAINTS - A processor includes multiple physical cores that support multiple logical cores of different core types, where the core types include a big core type and a small core type. A multi-threaded application includes multiple software threads are concurrently executed by a first subset of logical cores in a first time slot. Based on data gathered from monitoring the execution in the first time slot, the processor selects a second subset of logical cores for concurrent execution of the software threads in a second time slot. Each logical core in the second subset has one of the core types that matches the characteristics of one of the software threads. | 07-03-2014 |
20140189704 | HETERGENEOUS PROCESSOR APPARATUS AND METHOD - A heterogeneous processor architecture is described. For example, a processor according to one embodiment of the invention comprises: a first set of one or more physical processor cores having first processing characteristics; a second set of one or more physical processor cores having second processing characteristics different from the first processing characteristics; virtual-to-physical (V-P) mapping logic to expose a plurality of virtual processors to software, the plurality of virtual processors to appear to the software as a plurality of homogeneous processor cores, the software to allocate threads to the virtual processors as if the virtual processors were homogeneous processor cores; wherein the V-P mapping logic is to map each virtual processor to a physical processor within the first set of physical processor cores or the second set of physical processor cores such that a thread allocated to a first virtual processor by software is executed by a physical processor mapped to the first virtual processor from the first set or the second set of physical processors. | 07-03-2014 |
20140258760 | Controlling Operating Voltage Of A Processor - In an embodiment, a processor includes a core domain with a plurality of cores and a power controller having a first logic to receive a first request to increase an operating voltage of a first core of the core domain to a second voltage, to instruct a voltage regulator to increase the operating voltage to an interim voltage, and to thereafter instruct the voltage regulator to increase the operating voltage to the second voltage. Other embodiments are described and claimed. | 09-11-2014 |
20140281380 | EXECUTION CONTEXT SWAP BETWEEN HETEROGENOUS FUNCTIONAL HARDWARE UNITS - Remapping technologies for execution context swap between heterogeneous functional hardware units are described. A computing system includes multiple registers configured to store remote contexts of functional units. A mapping table maps the remote context to the functional units. An execution unit is configured to execute a remapping tool that intercepts an operation to access a remote context of a first functional unit of the plurality of functional units that is taken offline. The remapping tool determines that the first functional unit is remapped to a second functional unit using the mapping table. The operation is performed to access the remote context that is remapped to the second functional unit. The first functional unit and the second functional unit may be heterogeneous functional units. | 09-18-2014 |
20140281457 | METHOD FOR BOOTING A HETEROGENEOUS SYSTEM AND PRESENTING A SYMMETRIC CORE VIEW - A heterogeneous processor architecture and a method of booting a heterogeneous processor is described. A processor according to one embodiment comprises: a set of large physical processor cores; a set of small physical processor cores having relatively lower performance processing capabilities and relatively lower power usage relative to the large physical processor cores; and a package unit, to enable a bootstrap processor. The bootstrap processor initializes the homogeneous physical processor cores, while the heterogeneous processor presents the appearance of a homogeneous processor to a system firmware interface. | 09-18-2014 |
20140344598 | Enabling A Non-Core Domain To Control Memory Bandwidth - In one embodiment, the present invention includes a processor having multiple domains including at least a core domain and a non-core domain that is transparent to an operating system (OS). The non-core domain can be controlled by a driver. In turn, the processor further includes a memory interconnect to interconnect the core domain and the non-core domain to a memory coupled to the processor. Still further, a power controller, which may be within the processor, can control a frequency of the memory interconnect based on memory boundedness of a workload being executed on the non-core domain. Other embodiments are described and claimed. | 11-20-2014 |
20140359311 | Controlling Power Delivery To A Processor Via A Bypass - In one embodiment, a processor includes a plurality of domains each to operate at an independently controllable voltage and frequency, a plurality of linear regulators each to receive a first voltage from an off-chip source and controllable to provide a regulated voltage to at least one of the plurality of domains, and a plurality of selectors each coupled to one of the domains, where each selector is configured to provide a regulated voltage from one of the linear regulators or a bypass voltage to a corresponding domain. Other embodiments are described and claimed. | 12-04-2014 |
20150149800 | PERFORMING AN OPERATING FREQUENCY CHANGE USING A DYNAMIC CLOCK CONTROL TECHNIQUE - In an embodiment, a processor includes a core to execute instructions, where the core includes a clock generation circuit to receive and distribute a first clock signal at a first operating frequency provided from a phase lock loop of the processor to a plurality of units of the core. The clock generation circuit may include a dynamic clock logic to receive a dynamic clock frequency command and to cause the clock generation circuit to distribute the first clock signal to at least one of the units at a second operating frequency. Other embodiments are described and claimed. | 05-28-2015 |
20150177824 | DYANAMICALLY ADAPTING A VOLTAGE OF A CLOCK GENERATION CIRCUIT - In one embodiment, a processor includes a plurality of functional units each to independently execute instructions and a clock distribution circuit having a clock signal generator to generate a clock signal. The clock distribution circuit is coupled to receive a first operating voltage from a first voltage rail and the functional units are coupled to independently receive at least one second operating voltage from one or more second voltage rails. Other embodiments are described and claimed. | 06-25-2015 |
20150178091 | CONTEXT SAVE AND RESTORE - Processor context save latency is reduced by only restoring context registers with saved state that differs from the reset value of registers. A system agent monitors access to the design blocks and sets a dirty bit to indicate which design block has registers that have changed since the last context save. During a context save operation, the system agent bypasses design blocks that have not had context changes since the latest context save operation. During a context restore operation the system agent does not restore the context registers with saved context values that are equal to the reset value of the context register. | 06-25-2015 |
20150178204 | COMMON PLATFORM FOR ONE-LEVEL MEMORY ARCHITECTURE AND TWO-LEVEL MEMORY ARCHITECTURE - Technologies for one-level memory (1LM) and two-level memory (2LM) configurations in a common platform are described. A processor includes a first memory interface coupled to a first memory device that is located off-package of the processor and a second memory interface coupled to a second memory device that is located off-package of the processor. The processor also includes a multi-level memory controller (MLMC) coupled to the first memory interface and the second memory interface. The MLMC includes a first configuration and a second configuration. The first memory device is a random access memory (RAM) of a one-level memory (1LM) architecture in the first configuration. The first memory device is a first-level RAM of a two-level memory (2LM) architecture in the second configuration and the second memory device is a second-level non-volatile memory (NVM) of the 2LM architecture in the second configuration. | 06-25-2015 |
20150186313 | Managing Shared Resources Between Multiple Processing Devices - In accordance with embodiments disclosed herein, there is provided systems and methods for managing shared resources between multiple processing devices. The processor may include a first processing device comprising a first non-coherent hardware block (hb) including a non-coherent data and a second processing device comprising a second non-coherent hb including the non-coherent data. The processor may also include a first hb in communication with the first non-coherent hb and the second non-coherent hb to track and share the non-coherent data between the first and the second processing devices. | 07-02-2015 |