Switch policy for hybrid scheduling in multi-processor systems
A multi-processor system includes multiple processors arranged in multiple clusters. Different clusters have different power and performance characteristics. The system includes a task scheduler to schedule tasks to the processors. The task scheduler, in response to detection of a scheduling event t...
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| Format | Patent |
| Language | English |
| Published |
05.10.2021
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| Online Access | Get full text |
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| Abstract | A multi-processor system includes multiple processors arranged in multiple clusters. Different clusters have different power and performance characteristics. The system includes a task scheduler to schedule tasks to the processors. The task scheduler, in response to detection of a scheduling event trigger, is operative to identify a scheduling objective between a first objective of energy optimization and a second objective of load balance. The scheduling objective is identified based on at least respective operating frequencies and loading of all processors in a highest-capacity cluster of the multiple clusters. According to the identified scheduling objective, the task scheduler schedules a given task to a processor selected among the processors in the multiple clusters. |
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| AbstractList | A multi-processor system includes multiple processors arranged in multiple clusters. Different clusters have different power and performance characteristics. The system includes a task scheduler to schedule tasks to the processors. The task scheduler, in response to detection of a scheduling event trigger, is operative to identify a scheduling objective between a first objective of energy optimization and a second objective of load balance. The scheduling objective is identified based on at least respective operating frequencies and loading of all processors in a highest-capacity cluster of the multiple clusters. According to the identified scheduling objective, the task scheduler schedules a given task to a processor selected among the processors in the multiple clusters. |
| Author | Chang, Ya-Ting Huang, Ting-Chang Chen, Jia-Ming Wu, Jing-Ting Chiang, Chien-Hao |
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| Notes | Application Number: US201816168407 |
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| Snippet | A multi-processor system includes multiple processors arranged in multiple clusters. Different clusters have different power and performance characteristics.... |
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| Title | Switch policy for hybrid scheduling in multi-processor systems |
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