| 摘要 |
PROBLEM TO BE SOLVED: To improve the performance of job scheduling by resetting a reference value as occasion demands on the basis of the result data of starting time and ending time of job. SOLUTION: An average starting time and an average ending time based on the result data are held on a comparison table as reference values and when starting executing a job, a starting time thereof is recorded on a result table (S1 and S2). When the difference of the starting time and the average starting time exceeds a prescribed allowable time, such a state is reported to the outside (S3 and S4) and when the execution of the job ends, an ending time thereof is recorded on the result table (S5 and S6). When the difference of the ending time and the average ending time exceeds a prescribed allowable time, such a state is reported to the outside (S7 and S8) and on the basis of the starting time and the ending time stored on the result table, the average starting time and the average ending time on the comparison table are updated (S9).
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