Efficient IoT Inference via Context-Awareness

• URL: http://arxiv.org/abs/2310.19112v2
• Date: Sun, 3 Dec 2023 09:15:04 GMT
• Title: Efficient IoT Inference via Context-Awareness
• Authors: Mohammad Mehdi Rastikerdar, Jin Huang, Shiwei Fang, Hui Guan, Deepak Ganesan
• Abstract summary: We propose a new paradigm, CACTUS, for scalable and efficient context-aware classification. We show that CACTUS achieves significant benefits in accuracy, latency, and compute budget across a range of datasets and IoT platforms.
• Score: 8.882680489254923
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: While existing strategies to execute deep learning-based classification on low-power platforms assume the models are trained on all classes of interest, this paper posits that adopting context-awareness i.e. narrowing down a classification task to the current deployment context consisting of only recent inference queries can substantially enhance performance in resource-constrained environments. We propose a new paradigm, CACTUS, for scalable and efficient context-aware classification where a micro-classifier recognizes a small set of classes relevant to the current context and, when context change happens (e.g., a new class comes into the scene), rapidly switches to another suitable micro-classifier. CACTUS features several innovations, including optimizing the training cost of context-aware classifiers, enabling on-the-fly context-aware switching between classifiers, and balancing context switching costs and performance gains via simple yet effective switching policies. We show that CACTUS achieves significant benefits in accuracy, latency, and compute budget across a range of datasets and IoT platforms.

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