Importance

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Abstract

In a parallel computer system including a plurality of nodes, monitor data acquired by each node is collected in one of the nodes to present the collected monitor data in a realtime manner. Even when the number of data acquiring nodes is increased and/or even when the interval time of acquiring monitor data is decreased, the data collecting node conduct operations in an asynchronous manner with respect to the data acquiring nodes. This minimizes the load imposed on the data collecting node. Monitor data acquired by a program at a predetermined interval of time in each data acquiring node is sent via a network to a control node, which then displays the monitor data on a console in a realtime fashion. The control node includes a memory in which a reception area is reserved for each node. The acquired data is directly written in the associated reception area without causing an event of interruption. Consequently, even when the number of nodes is increased and/or even when the data acquiring interval of time is reduced and hence the data transmission interval of time is decreased, the load on the data collecting node is kept at an appropriate level. Moreover, since the processing is not interrupted as above, the data can be collected and displayed in an asynchronous way with respect to the acquisition of monitor data. Namely, information of monitor data can be presented in a realtime fashion by adjusting the data collecting interval.

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First Claim