A Faster ESP32 JPEG decoder with SIMD instructions #ESP32 #Images @MrBananas
Chris Greening has looked at speeding up JPEG image decoding on ESP32 processors.
This is pretty interesting – SIMD (Single Instruction Multiple Data) can potentially really speed up decoding of JPEG files.
Normally when executing code you run an instruction that operates on a single piece of data, then you run the next instruction, and the next instruction etc.. we have Multiple Instructions operating on Multiple Data elements.
With SIMD instructions we have one Single Instruction that can then operate on Multiple Data elements.
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