Semiconductor device, control method for the same, and program

A control method of a semiconductor device including a first processor element and a second processor element, a first shared resource accessible from the first processor element and a second shared resource accessible from the second processor element, the control method comprising:

• storing, in a memory, task management information in which tasks executable by the first processor element or the second processor element and group identification information for identifying groups corresponding to the first shared resource or the second shared resource are associated with each other;
• storing, in the memory, running group management information indicating, for each group, whether a task associated with the group identification information of the group is currently being executed in the first processor element or the second processor element;
• referring to and updating the running group management information in accordance with task execution state changes to reflect a current usage state of each of the first shared resource and the second shared resource;
• determining, based on the updated running group management information, a group whose corresponding shared resource is not being accessed by another processor element as an executable group;
• referring to the task management information and selecting and initiating execution of a task associated with group identification information of the executable group;
• and
• controlling timing of access to the corresponding shared resource based on the running group management information.

A non-transitory computer-readable medium storing a program that, when executed by semiconductor device including a first processor element, a second processor element, a first shared resource accessible from the first processor element, and a second shared resource accessible from the second processor element, causes the semiconductor device to perform a control method comprising:

• storing, in a memory, task management information in which tasks executable by the first processor element or the second processor element and group identification information for identifying groups corresponding to the first shared resource or the second shared resource are associated with each other;
• storing, in the memory, running group management information indicating, for each group, whether a task associated with the group identification information of the group is currently being executed in the first processor element or the second processor element;
• referring to and updating the running group management information in accordance with task execution state changes to reflect a current usage state of each of the first shared resource and the second shared resource;
• determining, based on the updated running group management information, a group whose corresponding shared resource is not being accessed by another processor element as an executable group;
• referring to the task management information and selecting and initiating execution of a task associated with group identification information of the executable group;
• and
• controlling timing of access to the corresponding shared resource based on the running group management information.