Loop Attention is an innovative approach designed to enhance small language models, specifically Qwen-style models, by implementing a two-pass attention mechanism. It first performs a global attention pass followed by a local sliding window pass, with a learnable gate that blends the two, allowing the model to adaptively focus on either global or local information. This method has shown promising results, reducing validation loss and perplexity compared to baseline models. The open-source release includes the model, attention code, and training scripts, encouraging collaboration and further experimentation. This matters because it offers a new way to improve the efficiency and accuracy of language models, potentially benefiting a wide range of applications.
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