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DEVICE FOR ANALYZING CRITICAL EXECUTION TIME AND METHOD FOR ANALYZING CRITICAL EXECUTION TIME, AS WELL AS NON-TEMPORARY COMPUTER-READABLE MEDIUM FOR STORING PROGRAM
DEVICE FOR ANALYZING CRITICAL EXECUTION TIME AND METHOD FOR ANALYZING CRITICAL EXECUTION TIME, AS WELL AS NON-TEMPORARY COMPUTER-READABLE MEDIUM FOR STORING PROGRAM
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机译:临界执行时间分析装置和临界执行时间分析方法,以及用于存储程序的非临时性计算机可读介质
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摘要
This invention addresses the problem of accurately analyzing the critical execution time of a program. A system (100) for analyzing critical execution time by analyzing the critical execution time, i. e., the worst-case execution time or the best-case execution time, for a program (P); wherein a path execution time calculating unit (120) calculates a path execution time as the execution time taken when the program is executed via an execution path, the calculation being performed on the basis of information indicating the variables behavior and/or hardware behavior obtained when a certain execution path is taken and for each of the execution paths that the program can assume, each of the execution paths being established in accordance with the control relationship among the plurality of blocks that constitute the program, each of the blocks having one or more commands, the entry point being solely a leading command, and the exit point being solely a final command. A critical execution time output unit (140) outputs as the critical execution time either a maximum value or a minimum value from among the path execution times calculated by the path execution time calculating unit (120).
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