Dev on LLM arithmetic demos: 32x32-digit multiply tests limits, not practical use

ctjlewis · x · 2026-10-29

The author notes that in 2024, 32x32-digit multiplication (64-digit products) was used as a benchmark. He argues LLMs won't actually run RISC V or do bitwise arithmetic—the point of such experiments is to demonstrate the largest computation a model can perform, not practical utility. He also finds the underlying memory technique interesting.

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