Exact Arithmetic via Manual Weight Configuration in Phi-3
August 10, 2026
A custom implementation compiles the grade-school multiplication algorithm directly into Phi-3 weights using a compiler called Torchwright. This method achieves 100% accuracy for up to 12-digit multiplication without training, whereas frontier models fail at seven digits.
HOW THIS AFFECTS YOU
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researcherYou can investigate weight-level algorithmic encoding as an alternative to training for deterministic tasks.