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Analog In-Memory Computing Versus the Digital NPU: The Energy Per MAC Argument

The dominant cost in any digital accelerator is not arithmetic. It is moving numbers to the place where the arithmetic happens. A multiply-accumulate on a modern process node costs a fraction of a picojoule; fetching the operands from memory costs one to two orders of magnitude more. This is the vo…

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  1. 2026-10-31 01:47 · DEV Community — AI
    Analog In-Memory Computing Versus the Digital NPU: The Energy Per MAC Argument

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