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Efficient Model Parameter Sharing for Performance
Efficiency in model performance can be achieved through parameter unification, such as using a single set of parameters for multiple models. Another method is the use of adapters, small modules inserted between model layers, allowing updates to specific adapter parameters. Maintaining shared adapter parameters across tasks can yield similar performance to full fine-tuning with minimal updates. Fully shared adapters work best for reducing parameters and enhancing knowledge sharing, especially for smaller tasks. The simple adapter approach outperforms more complex parameter-efficient tuning methods like Laura and prompt tuning.