Many state-of-the-art training runs keep a shadow copy of the weights that's a moving average of the trajectory, and serve that instead of the final step. It's a few lines and a real accuracy boost. Here it is.
Updated Aug 2026 · Grounded in real Applied AI Engineer interview loops and written to a senior-engineer editorial bar.
Many state-of-the-art training runs keep a shadow copy of the weights that's a moving average of the trajectory, and serve that instead of the final step. It's a few lines and a real accuracy boost. Here it is.
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