Fujitsu Corporation

Koji Kurihara

Koichiro Yamashita

Takahisa Suzuki

Hiromasa Yamauchi

Toshiya Otomo

Naoki Odate

Yuta Teranishi

Fumihiko Hayakawa

Tetsuo Hiraki

Kiyoshi Miyazaki

Hitoshi Ikeda

Hiroshi Otsuka

Kentaro Kawakami

Kazunori Kawabe

Kensuke Watanabe

Akihito Kataoka

Kazumi Miyako

A recording medium stores a program for causing a computer to execute a process including: converting, in a first source code corresponding to a first-type processor, a first load command for a first mask register included in the first-type processor into a second load command for a second mask register included in a second-type processor; and converting, when a first SIMD command for performing an arithmetic operation using the first mask register exists after the first load command in the first source code and a state of a value of the first mask register does not coincide with a state of a value of the first mask register, the first SIMD command into a second SIMD command corresponding to the second-type processor and a change command for changing a state of a value of the second mask register to a state of a value of the second mask register.

Computer-readable recording medium storing program for converting first single instruction multiple data (SIMD) command using first mask register into second SIMD command using second mask register, command conversion method for converting first SIMD command using first mask register into second SIMD command using second mask register, and command conversion apparatus for converting first SIMD command using first mask register into second SIMD command using second mask register

When the measurement values measured by a first sensor among a plurality of sensors installed in a dispersed manner at a specific location, in first cycles are determined to be abnormal values, a control device activates the first sensor in second cycles that are shorter than the first cycles. Moreover, when the abnormal values are included in the trend of temporal variation, the control device activates a plurality of second sensors, which is installed around the first sensor, in the second cycles. Moreover, when the measurement values measured by the first sensor and the plurality of second sensors in the second cycles are included in the trend of surface-direction distribution, the control device outputs the measurement values measured by the first sensor and the plurality of second sensors.

Control device, communication system, and control method

A control system includes a server and a plurality of nodes. The server transmits data of command strings being described in combination of sequential processing and loop processing to the nodes. The nodes store the data of command strings received from the server. Each node includes a plurality of application programming interface (API) units that perform predetermined sequential processing. Each node selects an API unit on the basis of the command strings acquired from the server and causes the selected API unit to perform sequential processing and loop processing.

Control system and control method

A control device includes: a processor configured to: control calibration of sensing values in a sensor node group formed of sensor nodes each including a sensor and a wireless device and being capable of performing multi-hop communication; divide the sensor node group into a plurality of clusters such that each of the clusters includes at least one partial cluster including a relay node and a child node that performs wireless communication; collect an average of sensing values in each of the partial clusters from the relay node of each of the partial clusters; calculate a calibration reference value of each of the clusters from the collected averages of the respective partial clusters; and provide the calculated calibration reference value of each of the clusters to each of the clusters.

Control device, sensor node, and computer-readable recording medium

A control device includes: a processor configured to: control a multihop communication path in a wireless network that includes a node group; when a first power storage speed of a target relay node in the node group is negative, calculate a first estimated time that is needed to reach a target power-storage value in a case where the target relay node is in a non-relay operating state; and in accordance with a length of the first estimated time calculated, change a state of the target relay node into the non-relay operating state or a stop state and change a state of another node, which is in the non-relay operating state, into a relay operating state.

Control device, control method, and computer-readable recording medium

A position measuring apparatus instructs a first node to emit light by transmitting a first light emission pattern to the first node, instructs a second node to emit light by transmitting the first light emission pattern to the second node, when light emission following the instructed first light emission pattern is detected, and instructs the second node to emit light by transmitting a second light emission pattern that is different from the first light emission pattern, when light emission following the instructed first light emission pattern is not detected.

Position measuring apparatus, position measuring method, and non-transitory computer readable recording medium

An observation system includes a plurality of nodes and an observation apparatus that collects information from the nodes using multi-hop communication for communicating with the nodes. The observation apparatus includes a link quality indicator (LQI) determination section and an output control section. The LQI determination section determines whether an LQI received from a node using the multi-hop communication is larger than a first threshold. When the LQI is larger than the first threshold, the output control section outputs a reduction command to the node associated with the LQI, the reduction command being a command to change the amount of transmission power in the multi-hop communication.

Collecting system, collecting apparatus, and power control method

An event location analysis system includes a first wireless terminal device. The first wireless terminal device includes a first measurement unit, a second measurement unit, and a first processor. The second measurement unit consumes larger amounts of power than the first measurement unit consumes. The first processor is configured to transmit a first notification signal upon detecting a first event on basis of a measurement value of the first measurement unit. The first processor is configured to start the second measurement unit upon receiving a second notification signal. The first processor is configured to activate a measurement operation of the first measurement unit and a measurement operation of the second measurement unit after the second measurement unit is started. The first processor is configured to stop the measurement operation of the second measurement unit after a predetermined time has elapsed since the start of the second measurement unit.

Event location analysis system and measurement processing method

A data processing apparatus includes a storage unit configured to store plural data processing programs and a corresponding error processing program for when an error occurs with a first data processing program; and a processor configured to record to memory before executing the first data processing program, information of the error processing program that corresponds to the first data processing program; update and record in the memory after the first data processing program ends, information of a second data processing program scheduled to be executed next; and switch to any one among the first data processing program that corresponds to information recorded in the memory and the error processing program, when program processing is started next.

Data processing apparatus and data processing method

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.

Data communication method and data communication system

A communications apparatus is included among a communications apparatus group arranged in a given area and capable of communicating with a nearby communications apparatus. The communications apparatus includes a sensor that detects a given property at a location of the communications apparatus; communications circuitry that receives from the nearby communications apparatus, a detection result that is obtained by another communications apparatus, for the given property at the location of the other communications apparatus; a processor that determines whether a difference between the detection result received by the communications circuitry and a detection result of the sensor is a given amount or less. The communications circuitry transmits the received detection result to the nearby communications apparatus, when the processor determines that the difference is the given amount or less, and refrains from transmitting the received detection result, when the processor determines that the difference is not the given amount or less.

Communications apparatus, computer product, communications method, and communications system

A data processing apparatus that is installed in plural in an installation area and processes data of each installation site, includes a processor that based on a combination of identification information included in calibration information respectively transmitted by calibration nodes and self-identification generation information that is included in the calibration information and for identifying the data processing apparatus among the plural data processing apparatuses, generates self-identification information; a memory device that retains the self-identification information; and a wireless communications circuit that receives the calibration information from the calibration nodes and performs transmission and reception of the data with an adjacent data processing apparatus provided in the installation area.

Data processing apparatus, data processing system, and data processing 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.

Electronic computer and interrupt control method

A multicore processor system includes core configured to detect a process assignment instruction; acquire a remaining time obtained by subtracting a processing time of interrupt processing assigned to an arbitrary core of a multicore processor from a period that is from a calling time of the interrupt processing to an execution time limit of the interrupt processing, upon detecting the process assignment instruction; judge if the remaining time acquired at the acquiring is greater than or equal to a processing time of processing defined to limit an interrupt in the process; and assign the process to the arbitrary core, upon judging that the remaining time is greater than or equal to the processing time of the processing defined to limit an interrupt in the process.

Multicore processor system, computer product, assigning method, and control method

A communication device has: a sensor configured to output sensing data; a count signal communication part configured to count a count signal received from a control device directly or via another communication device and transmit the counted count signal and to store a value of the received count signal; and a data communication part configured to transmit the sensing data outputted by the sensor or the sensing data received from another communication device, in correspondence with the stored value of the count signal.

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Kawasaki, Japan

Koji Kurihara