Evolutionary Optimization of Deep Learning Models: Enhance Performance through Hyperparameter and Structural Tuning with Evolutionary Algorithms
Kale Anil Wasudeorao · Advances in Nonlinear Variational Inequalities · 2024
Evolutionary optimization is a strong way to improve the performance of deep learning models by using evolutionary algorithms (EAs) to fine-tune both structure elements and hyperparameters. This method is based on biological evolution and uses processes like crossing, mutation, and selection to make model setups better over time. When the model and hyperparameter space get more complicated, it can be hard to use traditional methods for adjusting hyperparameters, like grid search or random search, because they need a lot of computing power and don't work as well. Evolutionary algorithms, on the other hand, can quickly move through these high-dimensional spaces and find the best or almost best designs that make the model work better. This research looks into how evolutionary algorithms can be used to improve deep learning models. It focuses on two main areas: setting hyperparameters and making changes to the models' structures. Hyperparameters, like learning rate, batch size, and the number of layers, have a big effect on how the model learns and how accurate it is in the end. The evolutionary method encodes these hyperparameters into chromosomes and then iteratively evolves a population of models, picking the best ones based on a fitness function that usually shows how accurate or lost the models are. Random changes are made by mutations, and traits from high-performing models are combined in crosses. This creates variety and stops things from convergent too soon. Changing the model's design, such as the amount of neurons in each layer, the type of activation functions, and the patterns of connections, is called structural tweaking. These building blocks can be changed on the fly by evolutionary algorithms, which can find new, efficient designs that human creators might miss. This feature is especially helpful when making complicated networks like convolutional neural networks (CNNs) or recurrent neural networks (RNNs), where the best structure isn't always clear. Results from real life show that evolutionary optimization not only makes models more accurate, but it also makes them more stable and able to generalize. This method gives a scalable and adaptable strategy for optimizing deep learning models. This makes it a very useful tool for students and professionals who want to get the best performance in a wide range of situations.