Self-adaptive energy-saving dispatching method in isomorphic cluster system based on dynamic voltage regulation technology
A dynamic voltage adjustment and cluster system technology, applied in energy-saving computing, data processing power supply, resource allocation, etc., can solve problems such as ignoring network communication energy consumption, not being able to adjust adaptively, and only considering performance
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[0023] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0024] Parallel task: the task submitted by the user is represented by a directed acyclic graph DAG, which is defined as . in Represents a task set containing n tasks. For each task in V, t i is the task v i the computation time required to execute on the processor at the highest voltage and frequency, cc i is the task v i The calculation cycle of , it does not change with the change of the processor voltage, where 1≤i≤n. In particular, when the task When idle time exists, it can be divided into h task block { v i1 ,v i2 ,…,v ih}, each task block v ik at its corresponding voltage V k The execution time under is τ ik . E is the message set, e ij = (v i , v j ) E stands for task to task delivered message, express message The communication time charged. Furthermore, we use and Indicates the task A set of successor ...
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