256-bit computing

Computer architecture bit width

In computer architecture, 256-bit integers, memory addresses, or other data units are those that are 256 bits wide. Also, 256-bit central processing unit (CPU) and arithmetic logic unit (ALU) architectures are those that are based on registers, address buses, or data buses of that size. There are currently no mainstream general-purpose processors built to operate on 256-bit integers or addresses, though a number of processors do operate on 256-bit data.

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