Abstract: An information processing apparatus comprising a plurality of computation nodes each having a CPU, a cooler that cools a refrigerant in a conduit in which the refrigerant that cools the CPU of each of the plurality of computation nodes circulates, and a control node, wherein the control node decreases a cooling power of the cooler after execution of a job by the plurality of computation nodes is ended, and causes the CPU in which the execution of the job is ended to transition from a non-power saving mode to a power saving mode at a predetermined time interval a predetermined number of the CPUs at a time when a temperature of the refrigerant is equal to or more than a threshold value, and stops a process of causing the CPU to transition to the power saving mode when the temperature of the refrigerant is less than the threshold value.

Abstract: A processor extracts a first file name from a file path indicating a storage location of a first file used when launching a first job. The processor calculates, for each of a plurality of second jobs that have been executed, a similarity based on a comparison between partial character strings included in the first file name and partial character strings included in a second file name corresponding to a second file that was used when launching the second job. The processor acquires, from history information indicating an actual power consumption of each of the plurality of second jobs and in accordance with the calculated similarity, the actual power consumption of at least one second job and estimates power consumption of the first job based on the acquired actual power consumption.

Abstract: An information processing apparatus comprising a plurality of computation nodes each having a CPU, a cooler that cools a refrigerant in a conduit in which the refrigerant that cools the CPU of each of the plurality of computation nodes circulates, and a control node, wherein the control node decreases a cooling power of the cooler after execution of a job by the plurality of computation nodes is ended, and causes the CPU in which the execution of the job is ended to transition from a non-power saving mode to a power saving mode at a predetermined time interval a predetermined number of the CPUs at a time when a temperature of the refrigerant is equal to or more than a threshold value, and stops a process of causing the CPU to transition to the power saving mode when the temperature of the refrigerant is less than the threshold value.

Abstract: A power source control executed by a processor includes setting a plurality of period candidates indicating candidates of a predetermined period; calculating, for each of a plurality of nodes, an average interval of idle periods in which a procedure is not executed for each of the plurality of period candidates, based on operation record information indicating history of procedures; calculating an amount of reduction of power consumption with respect to each of the plurality of period candidates based on the calculated average interval and an amount of power consumption in the idle period; selecting a period that is allocated to each of the plurality of nodes from among the plurality of period candidates based on the calculated amount of reduction; and executing, for each of the plurality of nodes, control to set the power source to an off state when the idle period becomes the selected period or more.

Abstract: A processor extracts a first file name from a file path indicating a storage location of a first file used when launching a first job. The processor calculates, for each of a plurality of second jobs that have been executed, a similarity based on a comparison between partial character strings included in the first file name and partial character strings included in a second file name corresponding to a second file that was used when launching the second job. The processor acquires, from history information indicating an actual power consumption of each of the plurality of second jobs and in accordance with the calculated similarity, the actual power consumption of at least one second job and estimates power consumption of the first job based on the acquired actual power consumption.

Abstract: A power source control executed by a processor includes setting a plurality of period candidates indicating candidates of a predetermined period; calculating, for each of a plurality of nodes, an average interval of idle periods in which a procedure is not executed for each of the plurality of period candidates, based on operation record information indicating history of procedures; calculating an amount of reduction of power consumption with respect to each of the plurality of period candidates based on the calculated average interval and an amount of power consumption in the idle period; selecting a period that is allocated to each of the plurality of nodes from among the plurality of period candidates based on the calculated amount of reduction; and executing, for each of the plurality of nodes, control to set the power source to an off state when the idle period becomes the selected period or more.

Abstract: A power coefficient calculation method in a parallel computing system is disclosed. When executing a job in parallel by using a plurality of calculation nodes, calculating and updating a power coefficient of each of the plurality of calculation nodes, the power coefficient being used to calculate a power consumption of the calculation node in accordance with execution of the job, based on a power consumption measured during an execution of a first job having a difference in power consumptions of the calculation nodes smaller than a given value among a plurality of jobs to be executed.

Abstract: A computing apparatus for optimizing process wait time, including a plurality of computing units, is disclosed. When there is any process having a maximum wait time, among processes that have been queued, which has the wait time exceeding a predetermined value, and when processes in a particular process type among different process types, are being executed or have been queued in all of the computing units, all processes in that particular process type, are executed on at least one of the computing units, based on a list of all of processes. A method of controlling a computing apparatus and a computer-readable storage medium are also disclosed.

Abstract: An information processing apparatus includes a storage device; and a processing unit coupled to the storage device and configured to: execute a first kernel and, after occurrence of a failure in the first kernel, a second kernel to output a kernel dump of first data stored in the storage device to another device; and through the second kernel, using a first storage area in the storage device, output a kernel dump of second data stored in a second storage area in the storage device to the other device, and then, using the first storage area and the second storage area, output a kernel dump of third data stored in a third storage area in the storage device to the other device.

Abstract: A computing apparatus includes a plurality of computing units; a processing state information obtaining unit that obtains respective processing state information for processes being executed or placed into wait for execution for the plurality of computing units; and a processing migrating unit that, when there is any process having a maximum wait time, among the processes that have been placed into wait for execution, has the wait time exceeding a predetermined value, and when processes in a particular type are being executed or placed into wait for execution in all of the plurality of computing units, allows all process in the particular type, to be executed on at least one of the plurality of computing units, based on the processing state information obtained by the processing state information obtaining unit.

Abstract: An arithmetic processing apparatus includes a plurality of first processing units to be connected to a cache memory; a plurality of second processing units to be connected to the cache memory and to acquire, into the cache memory, data to be processed by the first processing unit before each of the plurality of first processing units executes processing; and a schedule processing unit to control a schedule for acquiring the data of the plurality of second processing units into the cache memory.

Abstract: An information processing device includes a processor, and a plurality of memories arranged on the processor and coupled to the processor, wherein the plurality of memories are stacked on each other, and wherein a first memory that is located farthest from the processor among the plurality of memories is allocated for a program for managing the information processing device, and the processor executes the program.

Abstract: According to an aspect of an embodiment, a method of embedding information into an image comprises dividing the image into a plurality of blocks, providing a plurality of embedded blocks corresponding to the plurality of blocks, respectively, each of the embedded blocks having the same size as each of the blocks when each of the blocks is smaller than a predetermined size, each of the embedded blocks having the predetermined size and being placed at the center of each the block when each of the blocks is not smaller than the predetermined size and selectively modifying the characteristic value of each of the embedded blocks in accordance with the information to be embedded.

Abstract: An apparatus detects an area specified based on a mark of a specific color out of three primary colors in pigment or three primary colors in light from an image. An other-color-information eliminating unit eliminates information of other colors from a tone level of the specific color by correcting the tone level of the specific color based on tone levels of two colors other than the specific color out of the three primary colors in pigment or the three primary colors in light. An area detecting unit detects the area by specifying the mark based on the tone level from which the information of other colors is eliminated.

Abstract: According to an aspect of an embodiment, a method of embedding information into an image has obtaining an image data by taking the image by an image input device, dividing the image data into a plurality of blocks, determining an area in each of the blocks on the basis of a resolution power of the image input device, where a characteristic value may be modified in accordance with the information, respectively, comparing the size of the block with the size of the area and modifying a characteristic value of each of the blocks in accordance with the information to be embedded when the ratio of the size of the area with respect to the size of the blocks is smaller than a predetermined value.

Abstract: A parallel computer system includes a first, a second, and a third apparatuses. The first apparatus includes a first arithmetic processing unit that stores first information regarding execution of a first program stored in a first area of a first storage device in a second area of the first storage device, outputs the first information, and sends a first notification of output of the first information. The second apparatus includes a second arithmetic processing unit that stores second information regarding execution of a second program stored in a third area of a second storage device in a fourth area of the second storage device, receives the first notification from the first apparatus, and outputs the second information. The third apparatus includes a third arithmetic processing unit that stores the first information and the second information in a third storage device.

Abstract: A dividing unit divides image data into a plurality of blocks. An extracting unit extracts a feature index of a first color component and a feature index of a second color component in each of the blocks. A registration unit registers information about a correspondence between the feature index of a second color component and a change in the feature index for the first color component. A code embedding unit embeds a predetermined code into the image data, by changing the feature index of the first color component based on the feature index of the second color component, using the information registered.

Abstract: A video program broadcasting apparatus includes a program table storage unit and a program-URL matching table storage unit. The URL of a video program which is being broadcasted at the present is acquired by a URL generation unit with respect to a plurality of video programs which are sequentially broadcasted depending on the time schedule of a video program table. The URL of the video program which is being broadcasted at the present and the URLs of video programs which were broadcasted are invisibly embedded by steganography. The video program URL is converted into a simple code, and the code is invisibly embedded by steganography in a video program which is being broadcasted.

Abstract: An apparatus that embeds data in an image includes a mark embedding unit that embeds a feature that forms a predetermined pattern in the image, as a mark to be used to specify an area in which the data is embedded, and a data embedding unit that embeds the data in the image of the area specified by the mark.

Abstract: An apparatus embeds data into an area of image data. The apparatus determines whether colors of the area are specific colors, modifies image data of the area based on a determination result, and embeds the data into the area.