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Energy Aware Task Allocation for Semi-Asynchronous Mobile Edge Learning
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DOI：10.1109/TGCN.2023.3244710.png)
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摘要
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This paper extends the paradigm of mobile edge learning (MEL) by designing an energy-aware optimal task allocation scheme for training a machine learning (ML) model in a semi-asynchronous manner across multiple learners connected via the resource-constrained wireless edge network. The tasks are allocated such that the local dataset size selected at each learner ensures completion within a given global delay constraint and a local maximum energy consumption limit. Hence, the designed method is heterogeneity aware (HA) because it offers a trade-off between resource consumption and MEL performance by directly relating the time and energy consumption to the heterogeneous communication/computational capabilities of learners. Because the resulting optimization is an NP-hard quadratically-constrained integer linear program (QCILP), a two-step suggest-and-improve (SAI) solution is proposed. The proposed HA semi-asynchronous (HA-Asyn) approach is compared against the HA synchronous (HA-Sync) scheme and the heterogeneity unaware (HU) synchronous/asynchronous (HU-Sync/Asyn) equal batch allocation schemes. Results from a system of 20 learners tested for various completion time and energy consumption constraints show that the proposed HA-Asyn method works better than the HU-Sync/Asyn approaches and can even provide gains of up-to 25% compared to the HA-Sync scheme.
Keyword:
Resource management
Data models
Energy consumption
Computational modeling
Task analysis
Wireless communication
Training
Multi-access edge computing
Machine learning
Mobile edge learning
dynamic task allocation
distributed machine learning
mobile edge computing
期刊
I
IF:
6.7
论文数:
1.4K
被引数:
4.3K
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