PROBLEM TO BE SOLVED: To provide a power consumption reduction device capable of determining a stage of C-state which does not hinder the performance of an application.SOLUTION: A power consumption reduction device 100 is a power consumption reduction device on which an application is operated, which includes a processor 101, an output unit 102 that can be controlled by the processor 101 in a user mode and is configured to output conditions that do not hinder the performance of the application, and a determination unit 103 that can be controlled by the processor 102 in a kernel mode and is configured to determine constituent components to be operated among the constituent components of the processor 102 so as to satisfy the output conditions.SELECTED DRAWING: Figure 1
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