What is the difference between SPMD and SIMD?

Question

I just can’t understand what is the difference between them ...

Is SPMD at the programming level and SIMD at the hardware level?

Example

would be good!

thanks

+6

terminology parallel-processing simd

Ranzilber Feb 16 '11 at 8:47

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1 answer

Paul r · Accepted Answer · 2011-02-16T09:02:23+0000

SIMD is an instruction-level vectorization - each processor instruction processes several data elements.

SPMD is a higher-level abstraction where processes or programs are divided into several processors and run on different subsets of data.