Description: Warm-up steps are a technique used in training machine learning models, where the learning rate is gradually increased from a low value to a target value. This approach aims to stabilize the training process and avoid issues such as divergence or overfitting in the early stages. During the initial steps, the model adapts slowly to the data, allowing parameters to be adjusted in a more controlled manner. As the learning rate increases, the model can more effectively explore the solution space, potentially resulting in better overall performance. This technique is particularly useful in deep neural networks, where gradients can be unstable at the beginning of training. By implementing a learning rate warm-up, the goal is to improve the model’s convergence and, ultimately, its generalization ability. In summary, warm-up steps are a key strategy in hyperparameter optimization that helps enhance the training effectiveness of machine learning models.
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