| 摘要 |
Disclosed is an information processing device and a task switching method that can reduce the time required for switching of tasks in a plurality of coprocessors. The information processing device includes a processor core; coprocessors including operation units that perform operation in response to a request from the processor core and operation storage units that store the contents of operation of the operation units, save storage units that store the saved contents of operation, a task switching control unit that outputs a save/restore request signal when switching a task on which operation is performed by the coprocessors-, and save/restore units that perform at least one of saving of the contents of operation in the operation storage units to the save storage units and restoration of the contents of operation in the save storage units to the operation storage units in response to the save/restore request signal.
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