Raspberry Pi Zero W computers have a single core ARM1176JZF-S CPU that implements version 6 of the ARM11 ARM architecture. From the docs: It supports the ARM and Thumb instruction sets, Jazelle technology to enable direct execution of Java bytecodes, and a range of SIMD DSP instructions that operate on 16-bit or 8-bit data values in 32-bit registers. The SIMD (Single Instruction Multiple Data) instructions are what we’ll be talking about in this tutorial.
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