Switch policy for task 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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Hauptverfasser: CHIANG, CHIEN-HAO, CHEN, JIA-MING, CHANG, YA-TING, WU, JING-TING, HUANG, TINGANG
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CHEN, JIA-MING
CHANG, YA-TING
WU, JING-TING
HUANG, TINGANG
description 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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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title Switch policy for task scheduling in multi-processor systems
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