Abstract: A model generation apparatus according to an embodiment includes a processor circuit. The processor circuit is configured to: divide time-series data of operation information in a time direction to generate a plurality of segments; allocate any one memory control method of a plurality of memory control methods to each of the plurality of segments; estimate, for each of the plurality of segments, execution performance of memory access that is obtainable in a case where an information processing apparatus executes processing of a corresponding segment by an allocated memory control method; select a plurality of training segments from among the plurality of segments; and generate a decision model based on the selected plurality of training segments.

Abstract: An information generation system includes: an acquisition unit to acquire a set of records, each f which indicates a correspondence relation between a setting condition and a processing result for each processing, a generation unit to generate display information in order generate a display image based on the set of records, and a control unit to control a display unit so as to display the display image based on the display information. The display image includes the first area and the second area. Setting condition axes are displayed on the first area. Processing result axes are displayed on the second area. Value objects indicating concrete values of the setting condition are displayed at the setting condition axes. Value objects indicating concrete values of the processing result are displayed at the processing result axes. Between the value objects, relation objects indicating correspondence relations are displayed.

Abstract: An information processing device according to an embodiment includes a processing circuit. The processing circuit is configured to: obtains operation information; estimates, based on the obtained operation information, the execution performance of memory accesses with respect to a first memory and a nonvolatile memory unit in the case in which a managing device performs operations according to each of a plurality of memory control methods; selects, based on the execution performance estimated for each memory control method, any one memory control method from among a plurality of memory control methods; and performs a setting operation with respect to an access managing unit in such a way that the managing device accesses the first memory and the nonvolatile memory unit according to the selected memory control method.

Abstract: According to an embodiment, a management device includes: a setting memory configured to store an access method indicating which of a first access process of performing writing or reading with respect to data transferred from a non-volatile memory to a first memory, or a second access process of directly performing writing or reading with respect to data stored in the non-volatile memory, is to be executed for each of the plurality of pages; and circuitry configured to select any page set to the second access process among the plurality of pages, as an exchange target page, when a write amount with respect to the non-volatile memory is larger than a set value, and change an access method of the exchange target page from the second access process to the first access process.

Abstract: A model generation apparatus according to an embodiment includes a processor circuit. The processor circuit is configured to: divide time-series data of operation information in a time direction to generate a plurality of segments; allocate any one memory control method of a plurality of memory control methods to each of the plurality of segments; estimate, for each of the plurality of segments, execution performance of memory access that is obtainable in a case where an information processing apparatus executes processing of a corresponding segment by an allocated memory control method; select a plurality of training segments from among the plurality of segments; and generate a decision model based on the selected plurality of training segments.

Abstract: An information processing device according to an embodiment includes a processing circuit. The processing circuit is configured to: obtains operation information; estimates, based on the obtained operation information, the execution performance of memory accesses with respect to a first memory and a nonvolatile memory unit in the case in which a managing device performs operations according to each of a plurality of memory control methods; selects, based on the execution performance estimated for each memory control method, any one memory control method from among a plurality of memory control methods; and performs a setting operation with respect to an access managing unit in such a way that the managing device accesses the first memory and the nonvolatile memory unit according to the selected memory control method.

Abstract: According to an embodiment, a management device includes: a setting memory configured to store an access method indicating which of a first access process of performing writing or reading with respect to data transferred from a non-volatile memory to a first memory, or a second access process of directly performing writing or reading with respect to data stored in the non-volatile memory, is to be executed for each of the plurality of pages; and circuitry configured to select any page set to the second access process among the plurality of pages, as an exchange target page, when a write amount with respect to the non-volatile memory is larger than a set value, and change an access method of the exchange target page from the second access process to the first access process.

Abstract: An information generating system generating display information representing setting conditions at the time of executing a target module outputting a processing result according to the setting conditions, the system comprises a receiver receiving the setting conditions selected by a user; and a generator generating the display information for generating a display image, wherein one or more setting condition axes representing the setting conditions are displayed on the display image, first value objects representing specific values of the setting conditions received in the receiver are displayed on the setting condition axes, and a relational object representing a correspondence relationship is displayed between the first value objects.

Abstract: According to one embodiment, an information generation system includes an acquisition device, a selection condition reception device, and a generator. The acquisition device acquires a plurality of records. Each record represents a correspondence relationship between at least one setting condition and at least one processing result. The selection condition reception device receives a first segment of one of the at least one setting condition and the at least one processing result, as a first selection condition. The generator extracts records matched with the first selection condition from the plurality of records, and generates a display information to display an image. The image represents an object based on the number of records included in a second segment of another of the at least one setting condition and the at least one processing result, among the records extracted.

Abstract: A trace-information management system includes a processor configured to acquire trace information indicating transition of a state of an event that occurs in chronological order, acquire index information indicating a correspondence relation between the event and the state at index timings set so as to have a predetermined time interval therebetween on a time axis of the trace information, set a start time point, and generate initial state information indicating the state at the start time point, based on the trace information and the index information.

Abstract: A program information generation system includes circuitry configured to acquire a program and operation information, the program including a plurality of instruction codes including a start instruction code for starting a critical section and an end instruction code for ending the critical section, the operation information indicating an execution order of the plurality of instruction codes; identify the instruction code included in a first section corresponding to the critical section from the operation information, on the basis of the start instruction code, the end instruction code, and the operation information; determine a second section, corresponding to the first section, within the program on the basis of the instruction code included in the first section; and generate classification information for allowing specification of the instruction code included in the critical section or the instruction code included in a non-critical section, on the basis of the second section.

Abstract: A program information generating system includes circuitry configured to acquire a program including a non-interruption instruction code and an interruption instruction code, and action information indicating an order of execution of the non-interruption instruction code and the interruption instruction code, determine an action interruption position representing a position where interruption has occurred in the action information based on the interruption instruction code and the action information, determine a program interruption position representing a position where interruption has occurred in the program based on the non-interruption instruction code and the action interruption position, and generate program interruption position information for specifying the program interruption position.

Abstract: According to one embodiment, a graph processing system includes a specifying unit, a decision unit, and a generation unit. The specifying unit specifies a first record set corresponding to a first segment of first elements in graph data including a plurality of records. Each record has a first element and a second element. The decision unit analyzes the first record set on the basis of a predetermined rule, and determines at least one second record set corresponding to a second segment of first elements. The second segment is a part of the first segment. The generation unit generates a segment graph corresponding to the second record set.

Abstract: According to an embodiment, a system includes an analysis generator, a trace difference generator, a program difference generator, and an analyzer. The analysis generator is configured to generate program information required in executing a program, generate trace information providing a description of an execution at particular timing, based on the program information, and generate a trace correspondence between the trace and program information. The trace difference generator is configured to generate a trace difference between first and second trace information. The program difference generator is configured to generate a program difference between first and second program information. The analyzer is configured to analyze a correspondence relation between the differences and the program information based on the trace correspondence.

Abstract: In a system according to an embodiment, program structure information may include interval information. Each interval information may include source code position information indicating a successive region on a source code of a target program and parent-child information for specifying a parent-child relationship with respect to the interval information. The program structure information may include a reference interval without a parent. A processing unit may specify the number of parents existing between each interval information and the reference interval as a depth of each interval information from the reference interval, and create display information by arranging the interval information on a coordinate system defined by a first axis representing depth from the reference interval and a second axis representing the parent-child relationship based on the depth from the reference and the parent-child information.

Abstract: A graph display device includes a condition receiver, a time information display circuitry, an instruction receiver and a graph display circuitry. The condition receiver receives a condition for specifying at least one data item from graph data including a plurality of data items. The time information display circuitry displays time information relative to a time to display a graph based on the specified data item. The instruction receiver receives an instruction for starting display of the graph. The graph display circuitry displays the graph when the instruction is received.

Abstract: A program information generating system includes an acquisition unit that acquires dependency information indicating dependency among a plurality of events generated by execution of a program and selection information identifying a selected event that is the event selected by a user; a generation unit that generates display information, on the basis of the dependency information and the selection information, such that a dependency path that is formed of the plurality of events having the dependency and includes the selected event is displayed in a distinguishable manner; and a display control unit that controls a display unit, on the basis of the display information, such that a display image indicating an execution state of the program is displayed.

Abstract: A call tree generation unit generates a first call tree and a second call tree from a single piece of source code based on running information. The first call tree includes at least one first nodes associated with at least one first scopes. The second call tree includes at least one second nodes associated with at least one second scopes. A node information generation unit generates, based on scope correspondence information, the first call tree, and the second call tree, node correspondence information that indicates correspondence between the first node and the second node.

Abstract: A trace information management system includes: an acquirer configured to acquire trace information indicating an execution sequence of a plurality of scopes included in a source code and characteristic values observable during execution of the scopes, and to acquire first attribute information obtained by aggregating the characteristic values of a plurality of pieces of scope identification information identifying the scopes; a specifier configured to specify at least one of the pieces of the scope identification information from the first attribute information; and an extractor configured to extract, from the trace information, information corresponding to the specified piece of the scope identification information.

Abstract: A system according to an embodiment may include: a generation unit that acquires axis information in a coordinate system drawing execution status of a program, and generates an axis object representing the coordinate system based on the axis information; a display event information generation unit that acquires event information related to each of the two or more events and program structure information related to a section of the program generating the two or more events, and generates display event information related to one or more display events representing the two or more events; and an object generation unit that acquires the display event information and display event unit information indicating a display unit of the display event, and generates one or more event objects based on the display event information and the display event unit information.