Performance Prediction for Convolutional Neural Networks in Edge Devices
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Running Convolutional Neural Network (CNN) based applications on edge devices near the source of data can meet the latency and privacy challenges. However due to their reduced computing resources and their energy constraints, these edge devices can hardly satisfy CNN needs in processing and data storage. For these platforms, choosing the CNN with the best trade-off between accuracy and execution time while respecting Hardware constraints is crucial. In this paper, we present and compare five (5) of the widely used Machine Learning based methods for execution time prediction of CNNs on two (2) edge GPU platforms. For these 5 methods, we also explore the time needed for their training and tuning their corresponding hyperparameters. Finally, we compare times to run the prediction models on different platforms. The utilization of these methods will highly facilitate design space exploration by providing quickly the best CNN on a target edge GPU. Experimental results show that eXtreme Gradient Boosting (XGBoost) provides a less than 14.73 for unexplored and unseen CNN models' architectures. Random Forest (RF) depicts comparable accuracy but needs more effort and time to be trained. The other 3 approaches (OLS, MLP and SVR) are less accurate for CNN performances estimation.
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