Layer Selection
Layer selection in deep learning focuses on optimizing model training and inference by selectively training or utilizing only specific layers of a neural network, rather than the entire model. Current research emphasizes adaptive methods that dynamically choose layers based on factors like data characteristics, computational resources, and even the complexity of individual inputs, often employing techniques like gradient-based layer importance estimation or layer-wise compression. This approach offers significant advantages in efficiency, reducing training time and memory usage while maintaining or even improving accuracy, particularly beneficial for resource-constrained environments and large language models. The resulting improvements in efficiency and performance have broad implications across various applications, from federated learning and edge computing to transfer learning and tackling catastrophic forgetting.