Patent application number | Description | Published |
20140052806 | DATA ALLOCATION METHOD AND DATA ALLOCATION SYSTEM - A data allocation method executed by a data allocation system. The data allocation method includes allocating to a first processing apparatus included among a plurality of processing apparatuses and allocating based on a first communication speed of the first processing apparatus, data having communication amount information on a frequency at which the processing apparatuses access the data, and further supplying first priority level information to the first processing apparatus; and exchanging based on variation of a communication speed of at least one processing apparatus among the processing apparatuses, the data or the first priority level information, and data or second priority level information allocated to a second processing apparatus included among the processing apparatuses and having a second communication speed. | 02-20-2014 |
20140053012 | SYSTEM AND DETECTION MODE - A system includes a CPU; a sensor that detects power of the CPU; a cache memory state monitoring circuit that monitors a state of a cache memory; and a detection circuit that based on a sensor signal from the sensor and a state signal from the cache memory state monitoring circuit, detects a spin state of a program executed by the CPU. | 02-20-2014 |
20140082041 | DATA PROCESSING METHOD - A data processing method is executed by a processor, and includes detecting an addition request to add a first device to a first group that includes a plurality of devices; registering the first device into a main group in which devices of the first group are registered, the first device being registered when the first device does not belong to a second group that is different from the first group; registering the first device into a subgroup, when the first device belongs to the second group; and performing by the devices registered in the main group, distributed processing that includes a plurality of tasks. | 03-20-2014 |
20140082637 | DATA PROCESSING METHOD AND DATA PROCESSING SYSTEM - A data processing method executed by a first data processing apparatus and includes acquiring process information concerning a first process, in response to a process request for the first process; setting a first process flag included in the process information concerning the first process to indicate “true”; setting a first end flag of the process information concerning the first process to indicate “true” after executing the first process; acquiring process information concerning a second process that is to be executed before a third process that is to be executed subsequent the first process; and determining a process to be executed, based on a second process flag and a second end flag included in the process information concerning the second process. | 03-20-2014 |
20140092747 | DATA COMMUNICATION METHOD AND DATA COMMUNICATION SYSTEM - A data communication method includes determining by a first terminal apparatus that is included among plural terminal apparatuses capable of direct communication with one another, whether a communication volume of data received from a second terminal apparatus that is included among the terminal apparatuses exceeds a processable communication volume; and transmitting by the first terminal apparatus to the second terminal apparatus, a portion of the data of a given communication volume, when the communication volume of the data exceeds the processable communication volume. | 04-03-2014 |
20140095573 | DATA COMMUNICATION METHOD AND DATA COMMUNICATION SYSTEM - A data communication method includes registering as a group and by a first data processing device of plural data processing devices, at least one second data processing device capable of communicating with the first data processing device; transmitting by the first data processing device and to the data processing devices, a first reception request for data; transmitting by the first data processing device and to the at least one second data processing device, a second reception request for the data when there is no response to the first reception request from the first data processing devices; and transmitting the data to the second data processing device, by the first data processing device and based on a response from the second data processing device. | 04-03-2014 |
20140108758 | DATA PROCESSING METHOD AND DATA PROCESSING SYSTEM - A data processing method that is executed by a first data processing apparatus included among plural data processing apparatuses, includes producing a copy of data, and restoration information that includes a first address of memory to which the copy of the data is stored; transmitting any one among the data and the copy of the data to a second data processing apparatus that is included among the data processing apparatuses; and storing the restoration information to shared memory that is memory of at least one data processing apparatus among the data processing apparatuses, and shared among the data processing apparatuses. | 04-17-2014 |
20140109100 | SCHEDULING METHOD AND SYSTEM - A scheduling method that is executed by a first CPU includes determining whether a task belongs to a first task category; determining whether a first access area accessed by the task is located in a first memory or a second memory, when the task belongs to the first task category; and setting a memory accessed by the task to the first memory or the second memory, based on a result at the determining. | 04-17-2014 |
20140115601 | DATA PROCESSING METHOD AND DATA PROCESSING SYSTEM - A data processing method that is executed by a processor includes determining based on a size of an available area of a first memory whether first data of a first thread executed by a first data processing apparatus among a plurality of data processing apparatuses is transferable to a first memory; transferring second data that is of a second thread and stored in the first memory to second memory, when at the determining, the first data is determined to not be transferrable; and transferring the first data to the first memory. | 04-24-2014 |
20140122632 | CONTROL TERMINAL AND CONTROL METHOD - A control terminal has access to a storage apparatus storing a first processing period for execution of an application by sequential processing and a second processing period for execution of the application by parallel processing; and includes a processor configured to transmit an execution request for the application to a request terminal upon accepting a startup instruction for the application; receive a response to the execution request; determine whether a sum of the second processing period and a difference of a reception time of the response and a transmission time of the execution request, is at least the first processing period; and execute the application by sequential processing by the control terminal when the sum is at least equal to the first processing period, and execute the application by parallel processing using the control terminal and the request terminal when the sum is less than the first processing period. | 05-01-2014 |
20140123154 | DATA PROCESSING METHOD AND DATA PROCESSING SYSTEM - A data processing method that is executed by a data processing system includes determining whether an application whose startup is requested by a first data processing apparatus among a plurality of data processing apparatuses, belongs to a predetermined group; determining whether a second data processing apparatus among the data processing apparatuses has started up the application, when the application belongs to the predetermined group; and aborting startup of the application by the first data processing apparatus, when the second data processing apparatus has started up the application. | 05-01-2014 |
20140129811 | MULTI-CORE PROCESSOR SYSTEM AND CONTROL METHOD - A multi-core processor system includes a multi-core processor that has plural core groups; and a storage device that stores a constraint on execution time for each application. A first identified core of the multi-core processor is configured to identify a constraint on execution time of a given application that is among the applications and for which an invocation instruction is received; determine whether the identified constraint meets a performance drop condition; assign the given application to a predetermined core of the multi-core processor, upon determining that the identified constraint meets the performance drop condition; and notify a second identified core of a core group among the core groups, of an assignment instruction for the given application, upon determining that the identified constraint does not meet the performance drop condition. | 05-08-2014 |
20140143788 | ASSIGNMENT METHOD AND MULTI-CORE PROCESSOR SYSTEM - An assignment method executed by a given core of a multi-core processor includes identifying for each core, the number of storage areas to be used by a given thread and the number of storage areas used by threads already assigned; detecting for each core, a highest value from the number of storage areas used by the threads already assigned; determining whether a sum of a greater value of the detected highest value of a core selected as a candidate assignment destination and the number of storage areas to be used by the given thread, and the detected highest value of the cores excluding the selected core, is at most the number of storage areas of the shared resource; and assigning the given thread to the selected core, when the sum is at most the number of storage areas of the shared resource. | 05-22-2014 |
20140143790 | DATA PROCESSING SYSTEM AND SCHEDULING METHOD - A data processing system includes an interrupt controller that counts, as an interrupt processing execution count, executions of interrupt processing by threads executed by data processing devices; and a processor that is configured to select one scheduling method from among a plurality of scheduling methods, based on the interrupt processing execution count. | 05-22-2014 |
20140149691 | DATA PROCESSING SYSTEM AND DATA PROCESSING METHOD - A data processing system includes multiple data processing apparatuses; a peripheral apparatus; memory that is shared by the data processing apparatuses and the peripheral apparatus; peripheral memory provided corresponding to the peripheral apparatus; and a memory managing unit that secures in any one among the memory and the peripheral memory, an area for a thread that is based on thread information, the area being secured based on the thread information that is read out from a heap area that sequentially stores the thread information that is executed at any one among the data processing apparatuses and the peripheral apparatus. | 05-29-2014 |
20140149991 | SCHEDULING SYSTEM, DATA PROCESSING SYSTEM, AND SCHEDULING METHOD - A scheduling system includes a processor that is configured to assign a process to at least one data processing system among plural data processing systems, based on an execution request for the process; estimate time consumed for completion of a first process, when the process is the first process; and append specific information to the first process, based on the estimated time. | 05-29-2014 |
20140157280 | SCHEDULING METHOD AND SCHEDULING SYSTEM - A scheduling method includes determining whether priority of an application to be activated is of a given priority, the determining being performed by a first data processing apparatus that is included in a first group having at least one data processing apparatus; transferring to a second data processing apparatus that is included in any one among a second group and the first group, a predetermined function of the first data processing apparatus so as to execute the application by the first data processing apparatus, the transferring being performed when the priority of the application is of the given priority, and the first and the second groups being among a plurality of groups that each includes at least one data processing apparatus; and placing the application in an execution queue of the first data processing apparatus, when the priority of the application is not the given priority. | 06-05-2014 |
20140164468 | DATA PROCESSING METHOD - A data processing method is executed by a first data processing apparatus, and includes setting based on a size of data that is for executing a predetermined function, a first division number for dividing the data; producing groups of a second division number, each including N (a positive integer) elements by dividing the first division number; assigning a plurality of data processing apparatuses each capable of communicating with the first data processing apparatus, to the groups of the second division number; and assigning sub-data formed by dividing the data by the first division number, to the groups of the second division number. | 06-12-2014 |
20140189185 | INTERRUPT MONITORING SYSTEM AND COMPUTER SYSTEM - An interrupt monitoring apparatus includes a storage that stores a given threshold that corresponds to an external interrupt notification; a measuring circuit that measures time that elapses from a time when the external interrupt notification is received until a time when dispatch notification is received from a CPU; a comparing circuit that compares the given threshold and the time measured by the measuring circuit; and an output circuit that outputs to the CPU, a comparison result obtained by the comparing circuit. | 07-03-2014 |
20140201546 | POWER SUPPLY CONTROL METHOD AND SYSTEM - A power supply control method includes detecting that a result of a first function performed by a first device ceases to be displayed on a display screen; suspending power supply to the first device and supplying power to a second device, based on a detection of the result ceasing to be displayed; and causing the second device to output a response signal to a CPU in response to a control signal from the CPU. | 07-17-2014 |
20140222229 | POWER CONTROL APPARATUS, ELECTRONIC COMPUTER, AND POWER CONTROL METHOD - A power control apparatus includes a processor configured to collect first information related to operation of a performing unit configured to perform data processing and information related to operation of a bus configured to transfer data; determine an operating frequency and an operating voltage for the performing unit, based on the collected information; estimate based on the collected information, a period elapsing until the performing unit suspends operation and a period elapsing until the bus suspends operation; derive a discriminant that obtains a difference of total power consumption and power consumption pre-switching; and execute a switching of an operating frequency and an operating voltage of the performing unit, based on a value of the discriminant. | 08-07-2014 |
20140237150 | ELECTRONIC COMPUTER AND INTERRUPT CONTROL METHOD - An electronic computer includes a processor that executes a thread and an interrupt handler, and monitors load of the processor; and an interrupt controller that is configured to determine a notification timing for an interrupt request to call the interrupt handler, the notification timing being determined based on the load and an effect of execution of the interrupt handler on user performance of the thread under execution by the processor; and notify the processor of the interrupt request, based on the notification timing. When the load is higher than a threshold, the interrupt controller sets the notification timing for an interrupt request that does not affect the user performance, to be later than the notification timing for an interrupt request that affects the user performance. Based on notification of the interrupt request, the processor calls and executes the interrupt handler that corresponds to the interrupt request. | 08-21-2014 |
20140241277 | COMMUNICATION METHOD AND COMMUNICATIONS APPARATUS - A communication method includes performing, by a processor, digital processing for radio communication by multiple communication schemes; combining based on an actual communication state and within a processing capability of the processor, one or more among the communication schemes; and performing concurrent communication. | 08-28-2014 |
20140310723 | DATA PROCESSING APPARATUS, TRANSMITTING APPARATUS, TRANSMISSION CONTROL METHOD, SCHEDULING METHOD, AND COMPUTER PRODUCT - A data processing apparatus includes a processor configured to receive an interrupt request that is a trigger for execution of an interrupt process executed by the processor; store the received interrupt request to a recording area; calculate based on a time when the interrupt request is received and particular time information read from the recording area, a predicted time when a subsequent interrupt request is to be received; detect a thread to be executed by the processor, among executable threads of the processor; judge based on the calculated predicted time and a current time, whether there is a possibility of the interrupt process being executed while the detected thread is under execution; decide based on a judgment result, whether to execute the detected thread on the processor; and execute the detected thread on the processor, based on a decision result. | 10-16-2014 |
20140316745 | DETECTING APPARATUS, DETECTING METHOD, AND COMPUTER PRODUCT - A detecting apparatus includes processors configured to access sensors; select from among the sensors, a sensor that has not been selected by any processor, acquire data from the selected sensor, and release selection of the sensor when data acquisition has been completed; execute processing for the sensor, based on the acquired data; set the sensor to an execution state during execution of the processing for the sensor, and set the sensor to an execution completed state when the execution of the processing for the sensor has ended; copy from a processor that has set the sensor to the execution state, the data acquired from the sensor by the processor, upon determining the sensor to be in the execution state, without executing the data acquisition; and execute the processing for the sensor, based on the copied data. | 10-23-2014 |
20140380333 | DETECTION APPARATUS, NOTIFICATION METHOD, AND COMPUTER PRODUCT - A coprocessor stores to local memory, a driver execution start time, for each execution start of drivers. If a CPU call process is executed during the execution of driver A, the coprocessor calculates the difference of the execution start time and the current time, for drivers B and C. Taking driver C as an example, the coprocessor adds to the difference calculated for the driver C, a processing time required for the CPU call process of driver A and a processing time required for a normal process of driver B. The coprocessor determines whether respective addition results for driver C comply with respective time constraints. If it is determined that an addition result for the driver C cannot comply with the time constraint, and the coprocessor sends an execution request for driver C to another coprocessor. | 12-25-2014 |
20150019837 | DATA PROCESSOR - A data processor includes: a plurality of controllers that process data; a program memory that stores a standby instruction and a data processing instruction at a plurality of addresses respectively; and a queue that stores different execution start addresses for the plurality of controllers, wherein after the plurality of controllers sequentially access the queue, the plurality of controllers acquire the different execution start addresses from the queue in an order of the sequential access, start execution of instructions from the acquired different execution start addresses in the program memory, and execute the data processing instruction and execute the standby instruction the number of times different for each of the controllers. | 01-15-2015 |