Abstract
Heterogeneous MPSoC architectures can provide higher performance and flexibility with less power consumption and lower cost than homogeneous ones. However, as processor instruction sets of general heterogeneous MPSoCs are not identical, tasks migration between two heterogeneous processors is not possible. To enable this function, we propose to build one specific heterogeneous MPSoC platform in which all heterogeneous processors are based on the same core instruction set for the operating system realization. Different extended instructions can be added for different processors to improve the system performance. Tasks can be migrated from one processor to another only if the target processor has all instructions which can meet the execution requirement of this task. This paper concentrates on the infrastructure that is necessary to support the scheduling and migration of tasks between the processors. By using the motion-JPEG case study, we confirm that our task migration framework can achieve higher processor usage rate and more flexibility.
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