A vector processor, or array processor, is a central processing unit (CPU) that implements an instruction set containing instructions that operate on one-dimensional arrays of data called vectors.
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Unlike SSE2, AltiVec supports a special RGB "pixel" data type, but it does not operate on 64-bit double precision floats, and there is no way to move data directly between scalar and vector registers.
The company later developed another product line of brain-scanning or computed tomography equipment based on the Lockheed SUE 16-bit minicomputer (see also Pluribus); later designs included an optional vector processor using AMD Am2900 bipolar bit-slices to speed tomographic reconstruction calculations.