FFT optimizations for Arm Cortex-M

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Fredrik Knutsson

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Sep 16, 2022, 1:58:28 AMSep 16
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Hi,

We discussed math like optimizations for Cortex-M on the previous SIG meeting, where CMSIS-DSP is a good option. As promised, here are frontend optimizations for the micro speech example. Checkout these lines for a hint on what's done. This will give you a significant reduction of the frontend cycle count.

Hope it helps!

Cheers,
Fredrik
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